RA/DEC (2000)
07:42:57.663 +22:02:47.35
115.7402636 +22.0464856
Type
SN Ib
Redshift
0.08
Discovery ReportClassification Report
Reporting Group
ALeRCE
Discovering Data Source
ZTF
Discovery Date
2021-10-31 08:37:01.998
TNS AT
Y
Public
Y
Host Name
SDSS J074257.66+220246.7
Host Redshift
0.07820816
Discovery Mag
19.1696
Filter
g-ZTF
Reporter/s
R. Dastidar, F.E. Bauer, G. Pignata, A. Munoz-Arancibia, F. Forster, A. Mourao, L. Hernandez-Garcia, L. Galbany, E. Camacho, J. Silva-Farfan, 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_2021acvv - 2021-12-12 00:00:00 Mayall / DESI (DESIRT)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
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▌Show N II at z=vexp= km/s
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▌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
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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 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

 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
   
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
20869 2021-12-12 00:00:00 Mayall / DESI DESI Collaboration DESI Collaboration DESIRT tns_2021acvv_2021-12-12_Mayall_DESI_DESIRT.csv Object Part of the DESI DR1 release.
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
r-ZTF P48_ZTF-Cam 2021-10-25 08:50:58 - 2021-10-25 08:50:58 2459512.8687269 - 2459512.8687269 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
250223 2021-10-25 08:50:58 2459512.8687269 19.6042 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
g-ZTF P48_ZTF-Cam 2021-10-31 08:37:02 - 2021-10-31 08:37:02 2459518.8590509 - 2459518.8590509 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
250224 2021-10-31 08:37:02 2459518.8590509 19.1696 0.120051 20.6211 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
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
127532 2021-10-31 17:44:00 ALeRCE R. Dastidar, F.E. Bauer, G. Pignata et al. ALeRCE ZTF 07:42:57.663 +22:02:47.35 2021-10-31 08:37:01.998 19.1696 g-ZTF PSN SDSS J074257.66+220246.7 ZTF18aaewdgq ALeRCE Early SN candidate (g-rise > 0.07+-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/ZTF18aaewdgq 2021TNSTR3699....1D N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
20869 2025-04-20 00:25:28 DESIRT_Bot Xander J. Hall and Antonella Palmese on behalf of on behalf of the 2DTS team DESIRT SN Ib 0.08 1 DESIRT We classify this target as a Ib upon review with NGSF. 2025TNSCR1457....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
20869 2021-12-12 00:00:00 Mayall / DESI DESI Collaboration DESI Collaboration DESIRT tns_2021acvv_2021-12-12_Mayall_DESI_DESIRT.csv Object Part of the DESI DR1 release.

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