RA/DEC (2000)
22:47:37.677 +39:52:59.52
341.906989287 +39.8831991607
Type
SN II
Redshift
0.01718
Related AstroNotes: 2021-202
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2021-07-25 12:23:02.400
TNS AT
Y
Public
Y
Discovery Mag
18.061
Filter
orange-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_2021ucg - 2021-07-28 06:27:54 P60 / SEDM (ZTF)z=
 SN_2021ucg - 2021-07-25 23:42:40 LT / SPRAT (None)z=
Show H at z=vexp= km/s
Show He at z=vexp= km/s
Show He II at z=vexp= km/s
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Show C III at z=vexp= km/s
Show C IV at z=vexp= km/s
Show N II at z=vexp= km/s
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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
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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_i
 P48_ZTF-Cam_r
 P48_ZTF-Cam_g
 ATLAS-MLO_ATLAS-01_orange
 ATLAS-HKO_ATLAS-02_orange
 PS1_GPC1_i
   
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
10239 2021-07-28 06:27:54 P60 / SEDM 2160 SEDmRobot auto ZTF tns_2021ucg_2021-07-28_06-27-54.286254_P60_SEDM_ZTF.ascii Object
10214 2021-07-25 23:42:40 LT / SPRAT 1800 Robotic None tns_2021ucg_2021-07-25_23-42-39.751_LT_SPRAT.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
i-P1 PS2_GPC2 2021-09-24 07:55:12 - 2021-09-24 07:55:12 2459481.83 - 2459481.83 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
258697 2021-09-24 07:55:12 2459481.83 17.28 0.03 20.7 ABMag i-P1 PS2_GPC2 45 Robot
r-ZTF P48_ZTF-Cam 2021-07-23 09:20:10 - 2021-09-10 09:12:47 2459418.8890046 - 2459467.8838773 4
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
242716 2021-09-10 09:12:47 2459467.8838773 17.39 0.04 20.7 ABMag r-ZTF P48_ZTF-Cam 30
230534 2021-07-27 09:39:48 2459422.9026389 17.6039 0.0429867 20.1315 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
232368 2021-07-27 09:39:48 2459422.9026389 17.6039 0.042987 20.1315 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
232367 2021-07-23 09:20:10 2459418.8890046 19.5453 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
g-ZTF P48_ZTF-Cam 2021-07-23 10:57:19 - 2021-09-12 06:14:43 2459418.9564699 - 2459469.7602199 4
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
242717 2021-09-12 06:14:43 2459469.7602199 17.97 0.05 20.88 ABMag g-ZTF P48_ZTF-Cam 30
242715 2021-09-10 05:15:22 2459467.7190046 20.5426 ABMag g-ZTF P48_ZTF-Cam 30 [Last non detection]
230535 2021-07-27 10:41:18 2459422.9453472 17.4906 0.0440125 19.8792 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
230533 2021-07-23 10:57:19 2459418.9564699 19.1981 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
orange-ATLAS ATLAS-MLO_ATLAS-01 2021-07-23 15:01:26 - 2021-07-23 15:01:26 2459419.126 - 2459419.126 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
230380 2021-07-23 15:01:26 2459419.126 18.45 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2021-07-25 12:23:02 - 2021-07-25 12:23:02 2459421.016 - 2459421.016 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
230381 2021-07-25 12:23:02 2459421.016 18.061 0.173 18.95 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
i-P1 PS1_GPC1 2021-07-27 11:39:50 - 2021-07-27 11:39:50 2459422.986 - 2459422.986 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
242912 2021-07-27 11:39:50 2459422.986 17.62 0.08 20.7 ABMag i-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
131715 2021-12-29 17:46:43 PS2_Bot1 K. C. Chambers, T. de Boer, J. Bulger et al. Pan-STARRS Pan-STARRS 22:47:37.677 +39:52:59.52 2021-09-24 07:55:12.000 17.28 i-P1 PSN PS21kdv Pan-STARRS N
123910 2021-09-20 23:49:02 PS1_Bot1 K. C. Chambers, T. de Boer, J. Bulger et al. Pan-STARRS Pan-STARRS 22:47:37.672 +39:52:59.44 2021-07-27 11:39:50.400 17.62 i-P1 PSN PS21kdv Pan-STARRS N
123820 2021-09-19 08:41:39 ZTF_AMPEL_COMPLETE J. Nordin, V. Brinnel, J. van Santen (HU Berlin) et al. AMPEL ZTF 22:47:37.680 +39:52:59.48 2021-09-10 09:12:47.232 17.39 r-ZTF PSN ZTF21abouuat AMPEL N
119159 2021-08-04 19:19:18 Fink Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker Fink ZTF 22:47:37.675 +39:52:59.48 2021-07-27 09:39:48.001 17.6039 r-ZTF PSN ZTF21abouuat Fink Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at http://134.158.75.151:24000/ZTF21abouuat N
118375 2021-07-27 14:35:47 ALeRCE A. Munoz-Arancibia, F. Forster, F.E. Bauer et al. ALeRCE ZTF 22:47:37.675 +39:52:59.51 2021-07-27 09:39:48.001 17.6039 r-ZTF PSN UGC 12188 ZTF21abouuat ALeRCE Early SN candidate (g-rise > 0.47+-0.01 mag/day, r-rise > 0.48+-0.01 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/ZTF21abouuat N
118289 2021-07-25 19:52:00 ATLAS_Bot1 J. Tonry, L. Denneau, A. Heinze et al. ATLAS ATLAS 22:47:37.657 +39:52:59.41 2021-07-25 12:23:02.400 18.061 orange-ATLAS PSN ATLAS21bchd ATLAS 2021TNSTR2558....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
10223 2021-07-29 23:53:49 ZTF_Bot1 M. Chu, A. Dahiwale, C. Fremling(Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN II 0.01718 1 ZTF 2021TNSCR2605....1C
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
10239 2021-07-28 06:27:54 P60 / SEDM 2160 SEDmRobot auto ZTF tns_2021ucg_2021-07-28_06-27-54.286254_P60_SEDM_ZTF.ascii Object
10198 2021-07-26 15:48:13 Shubham Srivastav S. Srivastav, S. J. Smartt, M. Fulton, K. W. Smith, D. R. Young, J. Gillanders None SN II 1 Blue continuum. We tentatively identify a weak H-alpha P Cygni feature. 2021TNSCR2568....1S
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
10214 2021-07-25 23:42:40 LT / SPRAT 1800 Robotic None tns_2021ucg_2021-07-25_23-42-39.751_LT_SPRAT.dat Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 131715 of Group Pan-STARRS1
Previous RA, DEC: 22:47:37.672, +39:52:59.44 (341.906968457, +39.8831780999)
Updated RA, DEC: 22:47:37.677, +39:52:59.52 (341.906989287, 39.8831991607)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 123910 of Group Pan-STARRS1
Previous RA, DEC: 22:47:37.680, +39:52:59.48 (341.90699853636, +39.883188845455)
Updated RA, DEC: 22:47:37.672, +39:52:59.44 (341.906968457, 39.8831780999)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 123820 of Group ZTF
Previous RA, DEC: 22:47:37.675, +39:52:59.48 (341.90697911111, +39.883188555556)
Updated RA, DEC: 22:47:37.680, +39:52:59.48 (341.90699853636, 39.883188845455)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 119159 of Group ZTF
Previous RA, DEC: 22:47:37.675, +39:52:59.51 (341.9069792, +39.8831972)
Updated RA, DEC: 22:47:37.675, +39:52:59.48 (341.90697911111, 39.883188555556)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 118375 of Group ZTF
Previous RA, DEC: 22:47:37.657, +39:52:59.41 (341.906903333, +39.8831688889)
Updated RA, DEC: 22:47:37.675, +39:52:59.51 (341.9069792, 39.8831972)