RA/DEC (2000)
09:07:36.620 -15:03:00.63
136.902581991 -15.0501743407
Type
SN Ia
Redshift
0.075345
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2021-01-10 11:24:00.000
TNS AT
Y
Public
Y
Discovery Mag
19.118
Filter
cyan-ATLAS
Reporter/s
J. Tonry, L. Denneau, A. Heinze, H. Weiland (IfA, University of Hawaii), B. Stalder (LSST), A. Rest (STScI), C. Stubbs (Harvard University), K. W. Smith, S. J. Smartt, D. R. Young, S. Srivastav, O. McBrien, M. Fulton, J. Gillanders (Queen's University Belfast), T.-W. Chen (MPE), D. E. Wright (University of Minnesota), J. Anderson (ESO)

Spectra

 SN_2021yk - 2021-01-14 10:20:54 UH88 / SNIFS (SCAT)z=
Show H at z=vexp= km/s
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ATLAS-MLO_ATLAS-01_cyan
 PS1_GPC1_w
   
Pointer position (MJD, Mag, Abs.Mag): (0.00, 0.00, 0.00)
Spectra
ID Obs-date (UT) Tel / Inst Exp-Time Observer/s Reducer/s Group Spectrum ascii file Spectrum fits file Spec. Type Assoc. Groups End prop. period Remarks
8582 2021-01-14 10:20:54 UH88 / SNIFS 3020 Hinkle SCAT tns_2021yk_2021-01-14_10-20-54_UH88_SNIFS_SCAT.dat Object Reduced with a summit-based quick reduction pipeline.
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
cyan-ATLAS ATLAS-MLO_ATLAS-01 2021-01-09 13:36:29 - 2021-01-10 11:24:00 2459224.067 - 2459224.975 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
185827 2021-01-10 11:24:00 2459224.975 19.118 0.125 19.61 ABMag cyan-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
185826 2021-01-09 13:36:29 2459224.067 15.83 ABMag cyan-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
w-P1 PS1_GPC1 2021-01-17 10:13:26 - 2021-01-17 10:13:26 2459231.926 - 2459231.926 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
188466 2021-01-17 10:13:26 2459231.926 18.86 0.02 22 ABMag w-P1 PS1_GPC1 45 Robot
AT Reports
ID Time received (UT) Sender Reporter/s Reporting group Disc. Data Source RA DEC Discovery date (UT) Discovery Mag. Filter Related files AT Type Host name Internal name Assoc. Groups End prop. period Remarks ADS Bibcode Unreal Auto classification
97596 2021-01-23 16:37:36 PS1_Bot1 K. C. Chambers, T. de Boer, J. Bulger et al. Pan-STARRS Pan-STARRS 09:07:36.620 -15:03:00.63 2021-01-17 10:13:26.400 18.86 w-P1 PSN PS21nr Pan-STARRS This transient was discovered with the help of citizen science project Supernova Hunters run by Zooniverse. The candidate was identified by volunteers including Henryk Krawczyk, Celso Pessanha Machado and B L Goodwin N
96382 2021-01-10 21:40:52 ATLAS_Bot1 J. Tonry, L. Denneau, A. Heinze et al. ATLAS ATLAS 09:07:36.639 -15:03:00.90 2021-01-10 11:24:00.000 19.118 cyan-ATLAS PSN ATLAS21bdw ATLAS 2021TNSTR..97....1T N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
8570 2021-01-14 20:58:47 Jason Hinkle Jason Hinkle on behalf of SCAT SCAT SN Ia 0.075345 1 SCAT Normal SN Ia a few days before maximum light. Redshift from archival 6dF spectrum on NED. Cross-correlation with SNID (Blondin & Tonry 2007) gives matches to SNe Ia at this redshift. 2021TNSCR.146....1H
Spectra
ID Obs-date (UT) Tel / Inst Exp-Time Observer/s Reducer/s Group Spectrum ascii file Spectrum fits file Spec. Type Assoc. Groups End prop. period Remarks
8582 2021-01-14 10:20:54 UH88 / SNIFS 3020 Hinkle SCAT tns_2021yk_2021-01-14_10-20-54_UH88_SNIFS_SCAT.dat Object Reduced with a summit-based quick reduction pipeline.

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 97596 of Group Pan-STARRS1
Previous RA, DEC: 09:07:36.639, -15:03:00.90 (136.902661429, -15.05025)
Updated RA, DEC: 09:07:36.620, -15:03:00.63 (136.902581991, -15.0501743407)