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ting li astronomy

In Summer 2018, I initiated the Southern Stellar Stream Spectroscopic Survey, or S5, to map the kinematics and chemistry of stellar streams in the Southern Hemisphere. Around 7000 clusters were detected in the first year of data of DES. Host: Kerry Paterson ... National Center for Optical-Infrared Astronomy, Association of Universities for Research in Astronomy. These monsters can weigh as much as one million of billion times the mass of our Sun ☀️ ! Today’s kickoff segment features Ting Li, a Ph.D. candidate in the Department of Physics and Astronomy and a member of the Charles R. ’62 and Judith G. Munnerlyn Astronomical Laboratory. How weird is our Universe? A Decade of Activity To this end, a team of scientists led by Ting Li (Chinese Academy of Sciences) recently constructed an extensive catalog of large (M- and X-class) solar flares and associated CMEs observed in 2010–2019 … Ting Li (李婷) NASA Hubble (Einstein) Fellow Carnegie-Princeton Fellow Carnegie Observatories 813 Santa Barbara St Pasadena, CA 91101 Email: tingli [AT] carnegiescience [.] CBSNews, New results from Dark Energy Survey supernovae address these and other questions. Ting Li Graduate Student Munnerlyn Lab 207 (979) 845-6140. They are made up of galaxies, dark matter and super hot gas ⛽️ . 11/25/2019 - 11/25/2019. 10/31/2014: An aTmCam story featured on PHYS.ORG, Department of Astrophysical Sciences at Princeton University, Fermilab Center for Particle Astrophysics, Southern Stellar Stream Spectroscopic Survey, Dark Energy Spectroscopic Instrument (DESI), Munnerlyn Astronomical Instrumentation Lab, Discovery of 1700 km/s star from Galactic center. For this, DES looked repeatedly at the same patches of the sky, waiting for supernovae to explode! You searched for: Author Li, Ting Remove constraint Author: Li, Ting Academic Unit Astronomy Remove constraint Academic Unit: Astronomy 1 entry found Sort by Best Match and galaxies to study their kinematic and chemical properties, using large optical telescopes all over the world. Dark energy – the force that propels the acceleration of the expanding universe – is a mysterious thing. Learn more. That’s why I joined DES and I think it will be the next revolution (before LSST starts). weeks, as we broke down the key steps 🔑 in our cosmological analysis 🔭 , and big thanks to @astroalexamon @cosmologirl and @nfmcrn for creating bite-sized pieces 🧩 . Maybe you don’t feel that you are gaining new knowledge every day, or maybe you feel that you are standing still after many days of hard work. In particular, I am building the focus and alignment system for DESI, which is an essential component for the survey commissioning and operation. Since the amount of dark energy directly impacts the expansion of the Universe, we can also try to estimate the distances which contain information about the expansion history 📏📐. The “workspace of the future,” Carnegie’s VizLab will unlock the secrets of the universe. The runaway star was spotted by an international team of astronomers led by Ting Li of the Carnegie Observatories. aTmCam and DECal, The College of Science interviewed graduate student Ting Li, asking her about her research and work at Munnerlyn Lab! and the HETDEX project, etc. These are imprints on the galaxy distribution of sound waves that propagated in the primordial soup of the very early Universe. English 1; Search Constraints. But it turns out it is very difficult to measure distances in an expanding space time...things get weird…We have a couple of ways to do it:Supernovae are exploding stars, releasing tons of energy, they can even outshine an entire galaxy ⭐️ ! Giants of the Universe 🦖Some galaxies aggregate in groups: our own galaxy the Milky Way and the Andromeda galaxy, for instance are part of the Local Group. I'm an observational astrophysicist, mostly working on near-field cosmology, Galactic archaeology, and metal-poor stars. Thank you for following along for the last 4 (!) 6 years ago. The progress is huge and revolutionary in the past 10 years. At present, the fabric of our universe is expanding — and not only that, but the its expansion is accelerating. Questions like these motivate the current and next generations of surveys that aim to map out ever larger volumes of the Universe, using a wide variety of probes to constrain the properties of dark energy. I also speak many languages (English, Chinese, Japanese, little French and poor Spanish…). We measure this distance at different times in the history of the universe to infer how the expansion evolved! Observational Astronomy Meetings. Texas A&M University. Heath Shipley ... Astronomy … Or will it crunch back in on itself? ... See MoreSee Less. 11/2019: S5-HVS1: Discovery of 1700 km/s star from Galactic center, covered by NYTimes, Ho Peng-yoke notes the decline of calendrical astronomy … For now, Einstein’s theory seems to still be correct but with the forthcoming measurements we will have from the new DES data, we will be able to test it even more stringently! My main interest is to study the Milky Way halo and use that to understand the formation history of the Milky Way and the nature of dark matter. Another approach observes the X ray light coming from the super hot gas in the cluster or by using the Cosmic Microwave Background as a backdrop upon which the clusters leave their imprint 🔭 . The resulting bounds confirm what we knew from previous studies, which focused on single probes. The two images are of a nearby galaxy called M82...can you spot the difference? (Ting Li is really the most common name in China, so it's really a pain to find my own papers. Physics & Engineering Festival Set … You won’t see the changes every day, but be patient and persistent, and you will succeed. So make sure you pick a field that you like and you are interested in. Current measurements indicate that dark energy can be smoothly incorporated into the theory of general relativity as a cosmological constant; but, the researchers note, those measurements are far from precise and incorporate a wide range of potential variations. Leon Lederman Fellow Ting Li, Carnegie Observatories; Manoj Kaplinghat, UC Irvine Time domain astronomy and transients Adam Burgasser, UC San Diego; Chien-Hsiu Lee, NOAO/NOIRLab Science Working … Since this idea was first proposed, we’ve conducted decades of research to better understand what dark energy is, how much of it there is, and how it influences our universe. Draft version October 23, 2020 Typeset using LATEX RNAAS style in AASTeX63 Preliminary Target Selection for the DESI Milky Way Survey (MWS) Carlos Allende Prieto,1,2 Andrew P. Cooper,3 Arjun Dey,4 Boris T. G ansicke,5 Sergey E. Koposov,6,7,8 Ting Li… at The video shows two images of a nearby galaxy called M82...can you spot the difference? ), Languages spoken: Chinese, Japanese, English. The difficulties can sometimes be incredibly frustrating. Ting Li (Fermi National Accelerator Laboratory) The National Optical Astronomy Observatory (NOAO) is operated by the Association of Universities for Research in Astronomy (AURA), Inc. under … Even if I could not go to space, I still hope that an instrument I build could go to space sometime in the future. This Dark Energy Spectroscopic Instrument (DESI) project will explore this expansion, driven by a mysterious property known as dark energy, in great detail. Labors of the Lab Features Dan Nagasawa July 15, 2015. Apart from the science interest, I am also an instrument builder. ... CA—A team of astronomers including Carnegie’s Ting Li … I still hope one day the dream would come true 🙂. You searched for: Author Li, Ting Remove constraint Author: Li, Ting Academic Unit Astronomy Remove constraint Academic Unit: Astronomy … Fermilab Center for Particle Astrophysics during 2016-2019. Munnerlyn Astronomical Instrumentation Lab, where I helped design and built 5 See, for example, Wei-shu , "Lul-li chih" , in Li-tai t'ien-wen 6:1784. It is a visitor from a strange land,” said Dr. Ting Li, from Carnegie Observatories and Princeton University. 2020-01-10. And now we wait 🕰   (with a lot more knowledge about our Universe! When the Universe cooled enough for photons to decouple from protons and electrons, a certain physical scale (related to the distance these sound waves had travelled) was “frozen” into the distribution of matter. Is the dark energy consistent with the cosmological constant of general relativity—representing a constant energy density filling space homogenously? Ting’s main research interest is to study the stellar substructure in our own Milky Way — dwarf galaxies and stellar streams. And also, we use Einstein’s theory of General Relativity as our theory of gravity, the most important force at cosmological distances. 😲By counting the number of clusters at different masses we can measure properties of our universe, like the amount of matter. Graduate school is much more independent, compared to the undergraduate program. Are there any additional new particles, like exotic neutrinos? 01/06/2015: Fermilab Today: One of the best Supernova nights in DES while I was the run manager. #thisisdes ... See MoreSee Less, Exploding stars and cosmic rulers 💥📐Our measurements of cosmic shear, galaxy-galaxy lensing and galaxy clustering are not the only way to probe dark energy and dark matter. I was a I’m not sure if that’s a talent or not, but I do like to ask questions and I learn a lot from asking. It took three sky surveys — conducted at telescopes in two continents, covering one-third of the visible sky, and requiring almost 1,000 observing nights – to prepare for a new project that will create the largest 3-D map of the universe’s galaxies and glean new insights about the universe’s accelerating expansion. Ting Li from Carnegie Observatories and Princeton University, leader of the observations of S5-HVS1, said the the star’s trajectory is the first “clear demonstration’ of the Hills Mechanism in … 03/23/2015: An interview of me by College of Science at Texas A&M. 04/17/2015: Fermilab Today: The first confirmed dwarf galaxy in DES. )…We’re at the stage of dotting our eyes and crossing our t’s for our results : running our robustness tests and evaluating consistency internally and with external datasets - it’s all pretty exciting 🤩! In my graduate school, I worked in the Programs: Observational Astronomy Meetings. Ting-quisition: my graduate peers made this word for me, it means that Ting asks someone questions until that person “dies”. And now we wait 🕰   (with a lot more knowledge about our Universe! Instead of professors telling you what to do in your undergraduate study, you are the one who needs to make the decisions about yourself most of the time. What’s the eventual fate of our universe? Ting Li: Genetics: 2013: Joseph Miller: Mechanical Engineering: 2013: Cheng Ma (HM) Materials and Science Engineering: 2012: Min Gyu Kim: Condensed Matter Physics; Department of Physics and Astronomy… for DES, which are used to improve the precision of the photometric calibration to better than 1%. Or can we find deviations from general relativity on cosmological scales that suggest a more complex nature for gravity? In one there is a very bright extra source - a supernova!We also measure Baryonic Acoustic Oscillations. Q&A with Graduate Student Ting Li ’16. I have also worked on a few other instrumentation projects, such as the Giant Magellan Telescope I received the Eramus Mundus Scholarship for We are able to test that with our DES measurements. Sky survey with CCDs, starting from SDSS. at the Investigating the birth, structure, and fate of the universe. I would say that graduate school is tough, so make sure that’s what you want before you decide to go that route. 04/04/2019: 2019 recipient of the NASA Hubble Fellowship, 03/16/2016: 2016 recipient of the Fermilab's Lederman Fellowship. I am also currently one of the co-chairs of the DES Milky Way Working Group. You also have to learn a lot of new things by yourself and solve the problems by yourself. Ting Li 5 References Joshua D. Simon jsimon@obs.carnegiescience.edu Observatories of the Carnegie Institution of Washington Pasadena, CA 91101 USA Joshua A. Frieman frieman@fnal.gov Department of Astronomy … But it turns out it is very difficult to measure distances on cosmological scales in an expanding space time...things get weird…👾👾We have a couple of ways to do it:Supernovae are exploding stars 🎆🎇🎆🎇, releasing tons of energy, they can even outshine an entire galaxy! In particular, I search for interesting substructures in our local Universe, including stellar streams and dwarf galaxies, with modern imaging surveys They were using a telescope in Australia for a study known as the … Dr. Ting Li from the Carnegie Observatories and Princeton University leads the survey. Over the 6 years we detected tens of thousands of supernovae! 5 years ago. 💪We know this theory describes gravity extremely well at small distances like on Earth, and throughout the Solar System. … Texas A&M-Led Astronomy Research Details Unprecedented Life Story of Milky Way Galaxy Evolution. If you weren’t a scientist, what would your dream job be? We call a certain subset of  them standard candles 🕯 : we know roughly how much light they release, so their observed brightness tells us how far away they are. … This is the advice I would give to the students who might be considering going to graduate school and pursuing a career in scientific research. Results on the properties of our universe from clusters and other observations show a discrepancy, an exciting area of research indicating that it could be that we have a few more things to learn about our Universe! I therefore decided to go with T. S. Li or Ting S. Li from 2015. such as the Dark Energy Survey (DES). Since the amount of dark energy directly impacts the expansion of the Universe, we can also try to estimate the distances which contain information about the expansion history. Dr. Mackey said the team spotted the fast-moving star serendipitously while searching for the … 11/25/2019 - 11/25/2019. I’m probably not physically strong enough to be qualified as a astronaut, but I’m good at astrophysics and instrumentation. Phone: +1 6308406370 Email 1 ... History and philosophy of astronomy, 1.5 - Publications, bibliography, 1.6 - Astronomy Education, 1.9 - Astronomy … It’s nature, write telescope scientist Timothy Abbott from the Cerro Tololo Inter-American Observatory, in Chile, and colleagues, “is unknown, and understanding its properties and origin is one of the principal challenges in modern physics”. Date Published. Over the 6 years we detected many SN! In one there is a very bright extra source - a supernova!We also measure Baryonic Acoustic Oscillations 〰️. Weighing these giants is an active area of research in DES and of course our answer to do so is weak gravitational lensing 🔎: the dark matter in the cluster will distort the shape of galaxies behind it in a coherent way, so that lensing measurements allow us to estimate the amount of dark matter and therefore the mass of the cluster ⚖️. But we also want to go beyond that and test some assumptions about fundamental physics that we make in standard cosmological analyses. Is spacetime destined to continue to expand forever? Apart from the scientific researches, Ting uses her spare time in building astronomical instruments and in contributing to infrastructure work for large-area sky surveys, such as the Dark … These features in the Milky Way can help us … Forbes, 2017 1; Language. When the Universe cooled enough for photons to decouple from protons and electrons, a certain physical scale (related to the distance these sound waves had travelled) was “frozen” into the distribution of matter. This means pairs of galaxies are slightly more likely to be found at this physical separation , than if there wasn’t the imprint of those early Universe sound waves. ... See MoreSee Less, Share on FacebookShare on TwitterShare on Linked InShare by Email, Day 36. These are imprints on the galaxy distribution of sound waves that propagated in the primordial soup of the very early Universe 🔊 . with a major in Physics and a minor in Diplomacy. Stay tuned 📻 #ThisIsDES📸: @cosmologirl using DES image ... See MoreSee Less, Day 35. 👽 The goal of DES is to measure the properties of dark energy, thanks to all the measurements and analysis techniques we’ve described in these posts. If you decide to take it, then enjoy it. @article{Tollerud2019SustainingCS, title={Sustaining Community-Driven Software for Astronomy in the 2020s}, author={E. J. Tollerud and A. M. Smith and A. Price-Whelan and K. Cruz and D. Norman and … a Joint European Master in Space Science and Technology (SpaceMaster), Carnegie Observatories. Meanwhile, I hold a joint appointment in the Department of Astrophysical Sciences at Princeton University as a joint Carnegie-Princeton Fellow. They then applied the trained model to galactic images from the Dark Energy Survey (DES) – where it achieved a 99.6% accuracy in identifying spiral and elliptical galaxies. One of the top goals in cosmology today is understanding the dark energy that is responsible for the accelerated expansion of the Universe. The images/videos are available here. Food system collapse incurs major societal costs that may extend across generations. Host: Kerry Paterson. Newsweek, We’ll share here when we release the final ta-da ✨ , and we have lots more planned in the coming days to communicate what we’ve done to you all, so stay tuned! We asked Ting a few more questions — here’s what she had to say: I would want to be an astronaut, or more specifically, a job that can take me to space. Before joining Fermilab, I was a graduate student in the Curriculum Vita (Latest Update: Dec 15, 2019), Publications on ADS(Latest Update: Dec 15, 2019) Labors of the Lab featured … Thinking back to when you were an undergrad in physics (if applicable), was there anything you were taught then that is not taught now? Astronomy REU Students Featured by Texas A&M Science July 30, 2015. Problems with classical methods for extracting information from the full spectra We can detect clusters by looking at the number of galaxies per area 🔢. It could also make unexpected discoveries during its five-year mission. Brett Salmon Graduate Student Mitchell Institute 326 (979) 458-5724. during which I stayed in Germany, Sweden, France and Japan for 6 months each. Ryan Oelkers Graduate Student Munnerlyn Lab 207 (979) 862-1755. Clusters of galaxies are even bigger groups of hundreds of galaxies, gravitationally bound. Pasadena, CA— A team of astronomers including Carnegie’s Ting Li and Alexander Ji discovered a stellar stream composed of the remnants of an ancient globular cluster that was torn … The Dark Energy Survey (DES) has now derived such constraints from the combined analysis of four canonical observables related to dark energy: supernovae, baryon acoustic oscillations, gravitational lensing, and galaxy clustering [1]. Start Over. COLLEGE STATION -- Ting Li ’16, a graduate student in the Department of Physics and Astronomy at Texas A&M University, has been selected as the 2016 recipient of the Lederman … S5 team leader, Dr Ting Li from Carnegie Observatories, said: "One possible explanation is that the Phoenix Stream represents the last of its kind, the remnant of a population of globular … During my postdoc, I am actively involved in the Dark Energy Spectroscopic Instrument (DESI) Survey. But after several months or even years, you will know that you have already made a huge improvement in your research ability. Astronomy . )…, Exploding stars and cosmic rulers 💥📐, Day 34: Measuring the Universe’s expansion history, Scientists Leverage HPC and AI to Wrangle the ‘Galaxy Zoo’, Three sky surveys completed in preparation for Dark Energy Spectroscopic Instrument, Multiple Measurements close in on Dark Energy, Viewpoint: Dark Energy Faces Multiple Probes, Supernovae, Dark Energy, and the Fate of Our Universe. the auxiliary calibration systems, namely ☀️ 🌍 But how well does it describe gravity for cosmic distances? Astronomy REU students featured in multiple videos describing their projects and accomplishments! There’s still so much we don’t understand about the Universe, so it’s important to question these assumptions now and then! Carnegie Observatories. But the results indicate that this multiprobe approach could allow surveys in the 2020s to improve such constraints by orders of magnitude, possibly bringing us close to solving the dark energy puzzle. or further apart? Ting Li . ... Ting Li . ⁉️What is the geometry of the Universe on the largest scales? Solved: Mystery of the Blue Ring Nebula. The research team developed a new approach to classifying these hundreds of millions of galaxies. 6 On the multitude of political and natural disasters that supposedly followed in the wake of the neglect of the calendrical almanac, see Sung-shu 5.i4, "Lu-li chih" , in Li-tai t'ien-wen 6:1686. We call a certain subset of  them standard candles: we know roughly how much light they release, so their observed brightness tells us how far away they are. I am the 2019 NASA Hubble Fellow (short bio) at Carnegie Observatories. An extensive analysis of four different phenomena within the universe points the way to understanding the nature of dark energy, a collaboration between more than 100 scientists reveals. 11/01/2018 - 11/03/2018. Will it fly apart, tearing even atoms into bits? Host: Vicky Kalogera ... Wenhao Li … To explain this phenomenon, we invoke what’s known as dark energy — an unknown form of energy that exists everywhere and exerts a negative pressure, driving the expansion. Ting Li Fermi National Accelerator Laboratory MS 127, PO Box 500 Batavia 60510 Illinois (IL) United States. This means pairs of galaxies are slightly more likely to be found at this physical separation, than if there wasn’t the imprint of those early Universe sound waves. Can weigh as much as one million of billion times the mass of our Sun!... Following along for the last 10 years NASA Hubble Fellow ( short bio ) at Carnegie Observatories infer the... The primordial soup of the DES Milky Way galaxy Evolution Universities for research in.! Exciting advance in physics / Astronomy in the bottom part! Languages ( English, Chinese, Japanese, French. Compared to the undergraduate program in Astronomy that ’ s VizLab will the. In one there is a very bright extra source - a supernova! we also measure Baryonic Acoustic.! And experiencing failure Relativity as our theory of gravity, the fabric of our Universe working Group investigating the,. Galaxy in DES while I was a Leon Lederman Fellow at the number of galaxies, matter... Videos describing their projects and accomplishments Astronomy REU students featured in multiple videos describing projects... 03/23/2015: an interview of me by College of Science at Texas a & M University Lederman Fellow at same... Few other instrumentation projects, such as the Giant Magellan Telescope and the HETDEX project, etc that propels acceleration... Way galaxy Evolution also measure Baryonic Acoustic Oscillations 〰️ are even bigger groups of of! Nature for gravity Baryonic Acoustic Oscillations – the force that propels the acceleration of the Lab …. Past 10 years solve the problems by yourself and then throughout the Solar System Ting Li! Decide to take it, then enjoy it we are able to test that with our DES measurements recipient! & a with graduate Student Mitchell Institute 326 ( 979 ting li astronomy 862-1755 theory gravity. Such as the Giant Magellan Telescope and the HETDEX project, etc Life Story of Milky Way Group.: my graduate peers made this word for me, it means that Ting asks someone until! Oelkers graduate Student Ting Li ’ 16 asks someone questions until that person “ ”. The Fermilab Center for Particle Astrophysics during 2016-2019 Set … I am an., Share on FacebookShare on TwitterShare on Linked InShare by Email, Day 36 I... … Astronomy REU students featured in multiple videos describing their projects and accomplishments, little French and poor )... Day 36 estimate the mass of our Universe to test that with our DES measurements future, ” ’! Top goals in cosmology Today is understanding the dark energy – the force that propels the acceleration of the supernova...: 2016 recipient of the DES Milky Way galaxy Evolution, then enjoy it actively involved in the energy. 207 ( 979 ) 862-1755 have already made a huge improvement in your research...., part of getting closer to becoming a qualified Ph.D. is dealing setbacks. Independent, compared to the undergraduate program super hot gas ⛽️: Kerry Paterson... National for. Association of Universities for research in Astronomy the DES Milky Way galaxy Evolution you a... Lot of new things by yourself developed a new approach to classifying these hundreds of millions of,. Secrets of the Universe on the galaxy distribution of sound waves that propagated in the soup! Enough to be qualified as a astronaut, but I ’ M probably not physically strong enough to be as. / Astronomy in the primordial soup of the very early Universe distribution of sound that. The Fermilab Center for Particle Astrophysics during 2016-2019 Texas a & M University scales that suggest a more nature! Kalogera... Wenhao Li … Astronomy weigh as much as one million of billion times the mass of clusters! Des Milky Way galaxy Evolution responsible for the last 10 years the amount of matter expansion evolved dark matter super... We are able to test that with our DES measurements test that with our DES measurements and also we. Lines in the last 10 years Relativity as our theory of general Relativity as theory. Spectroscopic instrument ( DESI ) Survey research and work at Munnerlyn Lab come true 🙂 the constant! Word for me, it means that Ting asks someone questions until that “... 4 (! the Great Chinese Famine—widely acknowledged as the largest ting li astronomy repeatedly at the same of! Today: the first year of data of DES I completed my at! Will unlock the secrets of the Universe 🌍 but how well does it describe for... Waiting for supernovae to explode we measure this distance 📏 at different masses we can measure properties our! Multiple videos describing their projects and accomplishments speak many Languages ( English, Chinese Japanese. Estimate the mass of our Universe, like the lines in the primordial soup of the Lab Dan... As one million of billion times the mass of our Universe new things by yourself solve...   ( with a lot more knowledge about our Universe in Astronomy, Chinese, Japanese English... A qualified Ph.D. is dealing with setbacks and experiencing failure patient and persistent, and fate of expanding! Unexpected discoveries during its five-year mission is expanding — and not only that, the. New results from dark energy consistent with the cosmological constant of general Relativity as our theory of general a... Students featured in multiple videos describing their projects and accomplishments cosmology, archaeology... On near-field cosmology, Galactic archaeology, and metal-poor stars Li or Ting S. Li 2015. On a few other instrumentation projects, such as the largest famine human! Milky Way working Group brett Salmon graduate Student Mitchell Institute 326 ( 979 ) 458-5724 M82... you! Kalogera... Wenhao Li … Astronomy REU students featured in multiple videos describing their projects and accomplishments,,... In human history—was … Astronomy changed since the birth of CCDs and sky surveys it, then enjoy it that.

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