RA/DEC (2000)
12:45:00.121 +21:08:30.12
191.25050259 +21.1417000006
Type
SN Ia
Redshift
0.075382
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2021-04-05 09:17:16.800
TNS AT
Y
Public
Y
Discovery Mag
19.712
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, C. Webb (Queen's University Belfast), T.-W. Chen (MPE), D. E. Wright (University of Minnesota), J. Anderson (ESO)

Spectra

 SN_2021igt - 2021-04-09 07:19:03 P60 / SEDM (ZTF)z=
Show H at z=vexp= km/s
Show He at z=vexp= km/s
Show He II at z=vexp= km/s
Show C II at z=vexp= km/s
Show C III at z=vexp= km/s
Show C IV at z=vexp= km/s
Show N II at z=vexp= km/s
Show N III at z=vexp= km/s
Show N IV at z=vexp= km/s
Show N V at z=vexp= km/s
Show O at z=vexp= km/s
Show [O I] at z=vexp= km/s
Show O II at z=vexp= km/s
Show [O II] at z=vexp= km/s
Show [O III] at z=vexp= km/s
Show O V at z=vexp= km/s
Show O VI at z=vexp= km/s
Show Na at z=vexp= km/s
Show Mg at z=vexp= km/s
Show Mg II at z=vexp= km/s
Show Si II at z=vexp= km/s
Show S II at z=vexp= km/s
Show Ca II at z=vexp= km/s
Show [Ca II] at z=vexp= km/s
Show Fe II at z=vexp= km/s
Show Fe III at z=vexp= km/s
Show Å at z=vexp= km/s
Show Å at z=vexp= km/s
Show Å at z=vexp= km/s
Show Å at z=vexp= km/s
Show Tellurics 
Show Galaxy lines at z=
Show WR-WN at z=vexp= km/s
Show WR-WC/O at z=vexp= km/s
   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 PS2_GPC2_w
 P48_ZTF-Cam_r
 P48_ZTF-Cam_g
 ATLAS-MLO_ATLAS-01_cyan
 ATLAS-HKO_ATLAS-02_orange
 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
9334 2021-04-09 07:19:03 P60 / SEDM 2700 SEDmRobot ysharma ZTF tns_2021igt_2021-04-09_07-19-03.453484_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
w-P1 PS2_GPC2 2021-04-09 07:30:43 - 2021-04-09 07:30:43 2459313.813 - 2459313.813 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
210437 2021-04-09 07:30:43 2459313.813 18.95 0.05 22 ABMag w-P1 PS2_GPC2 45 Robot
r-ZTF P48_ZTF-Cam 2021-04-05 06:27:41 - 2021-04-05 06:27:41 2459309.7692245 - 2459309.7692245 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
203795 2021-04-05 06:27:41 2459309.7692245 19.926 0.134217 20.6859 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
g-ZTF P48_ZTF-Cam 2021-04-03 07:09:22 - 2021-04-05 07:10:14 2459307.7981713 - 2459309.7987731 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
203796 2021-04-05 07:10:14 2459309.7987731 19.7075 0.143327 20.611 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
203794 2021-04-03 07:13:28 2459307.8010185 20.6172 0.243569 20.776 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
203793 2021-04-03 07:09:22 2459307.7981713 20.9456 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
cyan-ATLAS ATLAS-MLO_ATLAS-01 2021-04-05 09:17:17 - 2021-04-05 09:17:17 2459309.887 - 2459309.887 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
203657 2021-04-05 09:17:17 2459309.887 19.712 0.191 19.83 ABMag cyan-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
orange-ATLAS ATLAS-HKO_ATLAS-02 2021-04-03 09:36:00 - 2021-04-03 09:36:00 2459307.9 - 2459307.9 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
203656 2021-04-03 09:36:00 2459307.9 19.64 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
w-P1 PS1_GPC1 2021-04-09 11:38:24 - 2021-04-09 11:38:24 2459313.985 - 2459313.985 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
209982 2021-04-09 11:38:24 2459313.985 19.06 0.03 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
108365 2021-05-04 22:41:34 PS2_Bot1 K. C. Chambers, T. de Boer, J. Bulger et al. Pan-STARRS Pan-STARRS 12:45:00.121 +21:08:30.12 2021-04-09 07:30:43.200 18.95 w-P1 PSN PS21dmt Pan-STARRS N
108179 2021-05-03 21:29:10 PS1_Bot1 K. C. Chambers, T. de Boer, J. Bulger et al. Pan-STARRS Pan-STARRS 12:45:00.125 +21:08:30.06 2021-04-09 11:38:24.000 19.06 w-P1 PSN PS21dmt 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 Christopher Tanner, Akihiro Akai and Meryl Goulbourne N
105415 2021-04-05 21:59:18 ALeRCE A. Munoz-Arancibia, F. Forster, F.E. Bauer et al. ALeRCE ZTF 12:45:00.129 +21:08:30.18 2021-04-03 07:13:27.998 20.6172 g-ZTF PSN WISEA J124459.99+210831.7 ZTF21aasafkl ZTF Early SN candidate (g-rise > 1.00 mag/day, r-rise > 0.36+-0.07 mag/day) classified using ALeRCE's stamp classifier - see http://arxiv.org/abs/2008.03309 - and the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF21aasafkl N
105372 2021-04-05 18:22:42 ATLAS_Bot1 J. Tonry, L. Denneau, A. Heinze et al. ATLAS ATLAS 12:45:00.173 +21:08:29.88 2021-04-05 09:17:16.800 19.712 cyan-ATLAS PSN ATLAS21kej ATLAS 2021TNSTR1055....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
9324 2021-04-10 00:46:23 ZTF_Bot1 A. Dahiwale, C. Fremling(Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN Ia 0.075382 1 ZTF 2021TNSCR1147....1D
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
9334 2021-04-09 07:19:03 P60 / SEDM 2700 SEDmRobot ysharma ZTF tns_2021igt_2021-04-09_07-19-03.453484_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 108365 of Group Pan-STARRS1
Previous RA, DEC: 12:45:00.125, +21:08:30.06 (191.250522381, +21.1416841695)
Updated RA, DEC: 12:45:00.121, +21:08:30.12 (191.25050259, 21.1417000006)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 108179 of Group Pan-STARRS1
Previous RA, DEC: 12:45:00.129, +21:08:30.18 (191.2505377, +21.141717466666666)
Updated RA, DEC: 12:45:00.125, +21:08:30.06 (191.250522381, 21.1416841695)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 105415 of Group ZTF
Previous RA, DEC: 12:45:00.173, +21:08:29.88 (191.25072, +21.1416333333)
Updated RA, DEC: 12:45:00.129, +21:08:30.18 (191.2505377, 21.141717466666666)