RA/DEC (2000)
15:50:52.037 +61:58:51.79
237.716820492 +61.9810526135
Type
SN Ia
Redshift
0.0818
Discovery ReportClassification Report
Reporting Group
SGLF
Discovering Data Source
ZTF
Discovery Date
2021-04-09 11:20:10.000
TNS AT
Y
Public
Y
Host Name
SDSS J155053.32+615843.8
Discovery Mag
20.414
Filter
g-ZTF
Reporter/s
I. Perez-Fournon, C. Jimenez Angel, F. Poidevin (IAC & ULL), R. Shirley (Univ. of Southampton), R. Marques-Chaves (Univ. of Geneva), S. Geier (GRANTECAN & IAC), Y. Shu (MPA), S. Rodney, J. Roberts-Pierel (Univ. of South Carolina), A. Bolton (NSF's NOIRLab), S. Chakrabarti, P. Craig, and B. Alamiri (RIT)
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2021jac - 2021-04-13 03:06:12 LT / SPRAT (SIRAH)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

 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_cyan
 ▌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
9401 2021-04-13 03:06:12 LT / SPRAT 1000 LT Robot LT pipeline, I. Perez-Fournon, and F. Poidevin SIRAH tns_2021jac_2021-04-13_03-06-12_LT_SPRAT_SIRAH.txt Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
r-ZTF P48_ZTF-Cam 2021-04-09 10:13:34 - 2021-04-09 10:13:34 2459313.926088 - 2459313.926088 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
205660 2021-04-09 10:13:34 2459313.926088 19.688 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection]
g-ZTF P48_ZTF-Cam 2021-04-07 06:47:11 - 2021-04-09 11:20:11 2459311.7827662 - 2459313.9723495 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
208686 2021-04-09 11:20:11 2459313.9723495 20.4139 0.254349 20.4654 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
205661 2021-04-09 11:20:10 2459313.972338 20.414 0.254 ABMag g-ZTF P48_ZTF-Cam 30 Robot
208685 2021-04-07 06:47:11 2459311.7827662 20.557 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
cyan-ATLAS ATLAS-MLO_ATLAS-01 2021-04-10 12:53:17 - 2021-04-14 11:39:50 2459315.037 - 2459318.986 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
206972 2021-04-14 11:39:50 2459318.986 19.343 0.155 19.67 ABMag cyan-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
206971 2021-04-10 12:53:17 2459315.037 19.9 ABMag cyan-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
i-P1 PS1_GPC1 2021-04-23 12:51:50 - 2021-04-23 12:51:50 2459328.036 - 2459328.036 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
219055 2021-04-23 12:51:50 2459328.036 19.4 0.06 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
112477 2021-06-06 12:55:08 PS1_Bot1 K. C. Chambers, T. de Boer, J. Bulger et al. Pan-STARRS Pan-STARRS 15:50:52.037 +61:58:51.79 2021-04-23 12:51:50.400 19.4 i-P1 PSN PS21fgx 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 Taylor Herschelman, Hady Jassar and Elisabeth Baeten N
107602 2021-04-24 19:13:28 Fink Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker Fink ZTF 15:50:52.050 +61:58:51.85 2021-04-09 11:20:10.997 20.4139 g-ZTF PSN ZTF21aaujakt ZTF Early SN candidate classified by Fink using the public ZTF stream. Object data at http://134.158.75.151:24000/ZTF21aaujakt N
106853 2021-04-15 08:28:58 ATLAS_Bot1 J. Tonry, L. Denneau, A. Heinze et al. ATLAS ATLAS 15:50:51.999 +61:58:51.94 2021-04-14 11:39:50.400 19.343 cyan-ATLAS PSN ATLAS21mrq ATLAS N
106193 2021-04-11 11:43:44 Ismael Perez-Fournon I. Perez-Fournon, C. Jimenez Angel, F. Poidevin (IAC & ULL) et al. SGLF ZTF 15:50:52.053 +61:58:51.91 2021-04-09 11:20:10.000 20.414 g-ZTF PSN SDSS J155053.32+615843.8 ZTF21aaujakt SGLF, ZTF Data were provided by the Zwicky Transient Facility (https://www.ztf.caltech.edu) and processed through the Lasair (https://lasair.roe.ac.uk), ALeRCE (https://alerce.online), Fink (https://fink-broker.org), ANTARES (https://antares.noirlab.edu), and MARS (https://mars.lco.global) brokers and our SGLF ZTF database and filters. 2021TNSTR1153....1P N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
9391 2021-04-15 16:32:53 Ismael Perez-Fournon Ismael Perez-Fournon, Frederick Poidevin, Camilo Jimenez Angel (IAC and ULL), Raphael Shirley (Univ. of Southampton), Rui Marques Chaves (Univ. of Geneva), Saurabh W. Jha, Mi Dai (Rutgers), and Steve Rodney (Univ. of South Carolina), on behalf of the SIRAH team SIRAH SN Ia 0.0818 1 SIRAH SN Ia-norm at about 6 to 9 days before maximum light. Classification using SNID (S. Blondin & J. L. Tonry 2007, ApJ, 666, 1024). The reported redshift was measured from emission and absorption lines detected in a separate LT SPRAT spectrum of the nucleus of the host galaxy SDSS J155053.32+615843.8 obtained on 2021-04-15 04:45:00.325. 2021TNSCR1222....1P
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
9401 2021-04-13 03:06:12 LT / SPRAT 1000 LT Robot LT pipeline, I. Perez-Fournon, and F. Poidevin SIRAH tns_2021jac_2021-04-13_03-06-12_LT_SPRAT_SIRAH.txt Object

Comments

TNS
System

Sun, 06/06/2021 - 12:30

Object coordinates updated

Object coordinates updated according to AT-report 112477 of Group Pan-STARRS1
Previous RA, DEC: 15:50:52.050, +61:58:51.85 (237.71687452222, +61.981070688889)
Updated RA, DEC: 15:50:52.037, +61:58:51.79 (237.716820492, 61.9810526135)

TNS
System

Sat, 04/24/2021 - 18:30

Object coordinates updated

Object coordinates updated according to AT-report 107602 of Group ZTF
Previous RA, DEC: 15:50:52.053, +61:58:51.91 (237.716888, +61.981086)
Updated RA, DEC: 15:50:52.050, +61:58:51.85 (237.71687452222, 61.981070688889)