RA/DEC (2000)
00:57:20.832 +17:52:41.27
14.3368001272 +17.8781294406
Type
SN II
Redshift
0.22
Discovery ReportClassification Report
Related AstroNotes: 2021-259, 2021-280
Reporting Group
ALeRCE
Discovering Data Source
ZTF
Discovery Date
2021-09-05 08:15:51.002
TNS AT
Y
Public
Y
Host Name
SDSS J005720.92+175243.6
Discovery Mag
21.1096
Filter
g-ZTF
Reporter/s
A. Munoz-Arancibia, F. Forster, F.E. Bauer, G. Pignata, L. Hernandez-Garcia, L. Galbany, E. Camacho, J. Silva-Farfan, A. Mourao, J. Arredondo, G. Cabrera-Vives, R. Carrasco-Davis, P.A. Estevez, P. Huijse, E. Reyes, I. Reyes, P. Sanchez-Saez, C. Valenzuela, E. Castillo, D. Ruz-Mieres, D. Rodriguez-Mancini, M. Catelan, S. Eyheramendy, M.J. Graham on behalf of the ALeRCE broker
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2021yfi - 2021-11-08 00:00:00 MMT / BINOSPEC (BTDG)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_g
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌ATLAS-HKO_ATLAS-02_orange
   
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
11386 2021-11-08 00:00:00 MMT / BINOSPEC Binospec Queue Service Observer Sebastian Gomez BTDG tns_2021yfi_2021-11-08_MMT_BINOSPEC_BTDG.txt Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
w-P1 PS2_GPC2 2021-09-10 09:54:43 - 2021-09-10 09:54:43 2459467.913 - 2459467.913 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
259147 2021-09-10 09:54:43 2459467.913 20.04 0.05 22 ABMag w-P1 PS2_GPC2 45 Robot
g-ZTF P48_ZTF-Cam 2021-09-03 09:50:39 - 2021-09-07 10:18:20 2459460.9101736 - 2459464.9293981 5
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
240019 2021-09-07 10:18:20 2459464.9293981 20.4282 0.191282 20.8413 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
240018 2021-09-05 08:15:51 2459462.8443403 21.1096 0.320641 20.56 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
242562 2021-09-05 08:15:51 2459462.8443403 21.1096 0.320641 20.56 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
240017 2021-09-03 09:50:39 2459460.9101736 20.8327 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
242561 2021-09-03 09:50:39 2459460.9101736 20.8327 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
orange-ATLAS ATLAS-MLO_ATLAS-01 2021-09-29 05:54:14 - 2021-09-29 05:54:14 2459486.746 - 2459486.746 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
244875 2021-09-29 05:54:14 2459486.746 18.13 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 10 Robot [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2021-09-30 11:22:34 - 2021-09-30 11:22:34 2459487.974 - 2459487.974 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
244876 2021-09-30 11:22:34 2459487.974 19.292 0.178 19.51 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 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
132147 2021-12-31 08:47:58 PS2_Bot1 K. C. Chambers,T. de Boer,J. Bulger et al. Pan-STARRS Pan-STARRS 00:57:20.832 +17:52:41.27 2021-09-10 09:54:43.200 20.04 w-P1 PSN PS21ntf Pan-STARRS N
124914 2021-10-02 09:24:43 ATLAS_Bot1 J. Tonry,L. Denneau,A. Heinze et al. ATLAS ATLAS 00:57:20.846 +17:52:41.51 2021-09-30 11:22:33.600 19.292 orange-ATLAS PSN ATLAS21bjlf ATLAS N
123763 2021-09-17 19:19:15 Fink Julien Peloton,Anais Moller,Emille E. O. Ishida on behalf of the Fink broker et al. Fink ZTF 00:57:20.827 +17:52:41.36 2021-09-05 08:15:51.002 21.1096 g-ZTF PSN ZTF21abzbwfo Fink Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at http://134.158.75.151:24000/ZTF21abzbwfo N
122720 2021-09-07 22:05:24 ALeRCE A. Munoz-Arancibia,F. Forster,F.E. Bauer et al. ALeRCE ZTF 00:57:20.805 +17:52:41.59 2021-09-05 08:15:51.002 21.1096 g-ZTF PSN SDSS J005720.92+175243.6 ZTF21abzbwfo ALeRCE SN candidate 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/ZTF21abzbwfo 2021TNSTR3075....1M N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
11332 2021-11-09 19:55:44 Sebastian Gomez Sebastian Gomez (STScI), Peter Blanchard (Northwestern), Daichi Hiramatsu, Edo Berger (Harvard CfA), Griffin Hosseinzadeh (U Arizona) BTDG SN II 0.22 1 BTDG AT2021yfi was selected as a superluminous supernova candidate by Perley et al. (AstroNote 2021-280). We determine the redshift of z = 0.22 from P-cygni emission lines, which implies a peak magnitude of M_g ~ -21.3. The lack of narrow emission lines prevents a "superluminous IIn" classification and we instead adopt a generic Type II classification. 2021TNSCR3843....1G
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
11386 2021-11-08 00:00:00 MMT / BINOSPEC Binospec Queue Service Observer Sebastian Gomez BTDG tns_2021yfi_2021-11-08_MMT_BINOSPEC_BTDG.txt Object

Comments

TNS
System

Fri, 12/31/2021 - 08:30

Object coordinates updated

Object coordinates updated according to AT-report 132147 of Group Pan-STARRS1
Previous RA, DEC: 00:57:20.827, +17:52:41.36 (14.33677936, +17.87815446)
Updated RA, DEC: 00:57:20.832, +17:52:41.27 (14.3368001272, 17.8781294406)

TNS
System

Fri, 09/17/2021 - 18:30

Object coordinates updated

Object coordinates updated according to AT-report 123763 of Group ZTF
Previous RA, DEC: 00:57:20.805, +17:52:41.59 (14.336687099999999, +17.8782202)
Updated RA, DEC: 00:57:20.827, +17:52:41.36 (14.33677936, 17.87815446)