Zwicky Transient Facility: Difference between revisions
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== Description == |
== Description == |
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The Zwicky Transient Facility is designed to detect [[Transient astronomical event|transient objects]] that rapidly change in brightness, for example [[supernovae]], [[gamma ray burst]]s, and collision between two [[neutron star]]s, and moving objects like [[comet]]s and [[asteroid]]s. The new camera is made up of 16 [[Charge-coupled device|CCDs]] of 6144×6160 pixels each, enabling each exposure to cover an area of 47 square degrees. The Zwicky Transient Facility is designed to image the entire northern sky in three nights and scan the plane of the [[Milky Way]] twice each night to a limiting [[Apparent magnitude|magnitude]] of 20.5. |
The Zwicky Transient Facility is designed to detect [[Transient astronomical event|transient objects]] that rapidly change in brightness, for example [[supernovae]], [[gamma ray burst]]s, and collision between two [[neutron star]]s, and moving objects like [[comet]]s and [[asteroid]]s. The new camera is made up of 16 [[Charge-coupled device|CCDs]] of 6144×6160 pixels each, enabling each exposure to cover an area of 47 square degrees. The Zwicky Transient Facility is designed to image the entire northern sky in three nights and scan the plane of the [[Milky Way]] twice each night to a limiting [[Apparent magnitude|magnitude]] of 20.5.<ref name=":0">{{Cite journal|last=Bellm|first=Eric|last2=Kulkarni|first2=Shrinivas|date=2017-03-02|title=The unblinking eye on the sky|journal=Nature Astronomy|language=en|volume=1|issue=3|doi=10.1038/s41550-017-0071|arxiv=1705.10052|class=astro-ph.IM}}</ref><ref>{{Cite journal|last=Smith|first=Roger M.|last2=Dekany|first2=Richard G.|last3=Bebek|first3=Christopher|last4=Bellm|first4=Eric|last5=Bui|first5=Khanh|last6=Cromer|first6=John|last7=Gardner|first7=Paul|last8=Hoff|first8=Matthew|last9=Kaye|first9=Stephen|date=2014-07-14|title=The Zwicky transient facility observing system|url=https://authors.library.caltech.edu/58413/1/Smith_2014p914779.pdf|journal=Ground-based and Airborne Instrumentation for Astronomy V|publisher=International Society for Optics and Photonics|volume=9147|pages=914779|doi=10.1117/12.2070014}}</ref> The amount of data produced by ZTF is expected to be 10 times larger than its predecessor, the Intermediate Palomar Transient Factory.<ref>{{Cite journal|last=Cao|first=Yi|last2=Nugent|first2=Peter E.|last3=Kasliwal|first3=Mansi M.|title=Intermediate Palomar Transient Factory: Realtime Image Subtraction Pipeline|url=https://doi-org.offcampus.lib.washington.edu/10.1088/1538-3873/128/969/114502|journal=Publications of the Astronomical Society of the Pacific|volume=128|issue=969|doi=10.1088/1538-3873/128/969/114502}}</ref> ZTF’s large data will allow it to act as a prototype for the [[Large Synoptic Survey Telescope]] that is expected to be in full operation in 2022 and will accumulate 10 times more data than ZTF.<ref name=":0" /><ref>{{Cite web|url=http://www.ztf.caltech.edu/news/zwicky-transient-facility-opens-its-eyes-to-the-volatile-cosmos|title=Zwicky Transient Facility Opens Its Eyes to the Volatile cosmos|last=|first=|date=November 14, 2017|website=Zwicky Transient Facility|archive-url=|archive-date=|dead-url=|access-date=}}</ref> |
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[[First light (astronomy)|First light]] was recorded of an area in the constellation [[Orion (constellation)|Orion]] on November 1, 2017.<ref name="Clery">{{cite web|last1=Clery|first1=Daniel|title=New California telescope aims to catch quickly moving celestial events|url=http://www.sciencemag.org/news/2017/11/new-california-telescope-aims-catch-quickly-moving-celestial-events|website=Science|accessdate=14 November 2017}}</ref><ref name="ZTF">{{cite web|url=https://www.ptf.caltech.edu/ztf|title=The Zwicky Transient Facility|last=|first=|date=|website=|publisher=The Palomar Observatory|archive-url=|archive-date=|dead-url=|accessdate=14 November 2017}}</ref><ref name="boyle">{{cite web|last1=Boyle|first1=Alan|title=Super-wide-angle Zwicky Transient Facility celebrates ‘first light’ with help from UW|url=https://www.geekwire.com/2017/super-wide-angle-zwicky-transient-facility-celebrates-first-light-help-uw/|website=GeekWire|accessdate=14 November 2017}}</ref> |
[[First light (astronomy)|First light]] was recorded of an area in the constellation [[Orion (constellation)|Orion]] on November 1, 2017.<ref name="Clery">{{cite web|last1=Clery|first1=Daniel|title=New California telescope aims to catch quickly moving celestial events|url=http://www.sciencemag.org/news/2017/11/new-california-telescope-aims-catch-quickly-moving-celestial-events|website=Science|accessdate=14 November 2017}}</ref><ref name="ZTF">{{cite web|url=https://www.ptf.caltech.edu/ztf|title=The Zwicky Transient Facility|last=|first=|date=|website=|publisher=The Palomar Observatory|archive-url=|archive-date=|dead-url=|accessdate=14 November 2017}}</ref><ref name="boyle">{{cite web|last1=Boyle|first1=Alan|title=Super-wide-angle Zwicky Transient Facility celebrates ‘first light’ with help from UW|url=https://www.geekwire.com/2017/super-wide-angle-zwicky-transient-facility-celebrates-first-light-help-uw/|website=GeekWire|accessdate=14 November 2017}}</ref> |
Revision as of 21:08, 8 May 2018
Alternative names | ZTF |
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Coordinates | 33°21′26″N 116°51′35″W / 33.35731°N 116.85981°W |
Observatory code | I41 |
Website | www |
The Zwicky Transient Facility (ZTF, obs. code: I41) is a wide-field sky astronomical survey using a new camera attached to the Samuel Oschin Telescope at the Palomar Observatory in California, United States. Commissioned in 2018, it supersedes the (Intermediate) Palomar Transient Factory (2009–2017) that used the same observatory code.
Description
The Zwicky Transient Facility is designed to detect transient objects that rapidly change in brightness, for example supernovae, gamma ray bursts, and collision between two neutron stars, and moving objects like comets and asteroids. The new camera is made up of 16 CCDs of 6144×6160 pixels each, enabling each exposure to cover an area of 47 square degrees. The Zwicky Transient Facility is designed to image the entire northern sky in three nights and scan the plane of the Milky Way twice each night to a limiting magnitude of 20.5.[1][2] The amount of data produced by ZTF is expected to be 10 times larger than its predecessor, the Intermediate Palomar Transient Factory.[3] ZTF’s large data will allow it to act as a prototype for the Large Synoptic Survey Telescope that is expected to be in full operation in 2022 and will accumulate 10 times more data than ZTF.[1][4]
First light was recorded of an area in the constellation Orion on November 1, 2017.[5][6][7]
The first confirmed findings from the ZTF project were reported on 7 February 2018,[8] with the discovery of 2018 CL, a small near-Earth asteroid.[9]
References
- ^ a b Bellm, Eric; Kulkarni, Shrinivas (2017-03-02). "The unblinking eye on the sky". Nature Astronomy. 1 (3). arXiv:1705.10052. doi:10.1038/s41550-017-0071.
{{cite journal}}
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ignored (help) - ^ Smith, Roger M.; Dekany, Richard G.; Bebek, Christopher; Bellm, Eric; Bui, Khanh; Cromer, John; Gardner, Paul; Hoff, Matthew; Kaye, Stephen (2014-07-14). "The Zwicky transient facility observing system" (PDF). Ground-based and Airborne Instrumentation for Astronomy V. 9147. International Society for Optics and Photonics: 914779. doi:10.1117/12.2070014.
- ^ Cao, Yi; Nugent, Peter E.; Kasliwal, Mansi M. "Intermediate Palomar Transient Factory: Realtime Image Subtraction Pipeline". Publications of the Astronomical Society of the Pacific. 128 (969). doi:10.1088/1538-3873/128/969/114502.
- ^ "Zwicky Transient Facility Opens Its Eyes to the Volatile cosmos". Zwicky Transient Facility. November 14, 2017.
{{cite web}}
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(help) - ^ Clery, Daniel. "New California telescope aims to catch quickly moving celestial events". Science. Retrieved 14 November 2017.
- ^ "The Zwicky Transient Facility". The Palomar Observatory. Retrieved 14 November 2017.
{{cite web}}
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(help) - ^ Boyle, Alan. "Super-wide-angle Zwicky Transient Facility celebrates 'first light' with help from UW". GeekWire. Retrieved 14 November 2017.
- ^ Kulkarni, S.R.; et al. (7 February 2018). "The Zwicky Transient Facility (ZTF) begins - ATel #11266". Astronomer's Telegram. Retrieved 8 February 2018.
{{cite web}}
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(help) - ^ Ye, Quan-Zhi; et al. (8 February 2018). "First Discovery of a Small Near Earth Asteroid with ZTF (2018 CL) - ATel #11274". Astronomer's Telegram. Retrieved 8 February 2018.
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