RA/DEC (2000)
14:56:52.570 +60:50:05.10
224.219042 +60.83475
Type
SLSN-I
Redshift
0.28
Related AstroNotes: 2021-172
Reporting Group
ALeRCE
Discovering Data Source
ZTF
Discovery Date
2021-05-15 07:20:06.000
TNS AT
Y
Public
Y
Host Name
SDSS J145652.70+605004.7
Discovery Mag
20.5782
Filter
r-ZTF
Reporter/s
F. Forster, F.E. Bauer, A. Munoz-Arancibia, G. Pignata, 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

Spectra

 SN_2021mkr - 2021-07-15 06:14:24 P200 / DBSP (ZTF)z=
 SN_2021mkr - 2021-06-29 23:15:05 LT / SPRAT (SGLF)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
 Gaia_Gaia-photometric_G
 ATLAS-MLO_ATLAS-01_cyan
 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
10406 2021-07-15 06:14:24 P200 / DBSP Lin Yan Lin Yan ZTF tns_2021mkr_2021-07-15_06-14-24_P200_DBSP_ZTF.ascii Object
9998 2021-06-29 23:15:05 LT / SPRAT 1500 LT Robot F. Poidevin and I. Perez-Fournon SGLF tns_2021mkr_2021-06-29_23-15-05_LT_SPRAT_SGLF.txt Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
r-ZTF P48_ZTF-Cam 2021-05-15 07:20:06 - 2021-06-04 07:48:52 2459349.805625 - 2459369.8256019 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
221957 2021-06-04 07:48:52 2459369.8256019 19.35 0.1 20.64 ABMag r-ZTF P48_ZTF-Cam 30
221956 2021-06-02 09:11:10 2459367.8827546 19.62 0.14 20.41 ABMag r-ZTF P48_ZTF-Cam 30
213833 2021-05-15 07:20:06 2459349.805625 20.5782 0.209529 20.6691 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
g-ZTF P48_ZTF-Cam 2021-05-15 05:49:40 - 2021-06-02 07:19:10 2459349.7428241 - 2459367.8049769 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
221955 2021-06-02 07:19:10 2459367.8049769 20.4805 ABMag g-ZTF P48_ZTF-Cam 30 [Last non detection]
213832 2021-05-15 05:49:40 2459349.7428241 20.9066 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
G-Gaia Gaia_Gaia-photometric 2021-05-24 00:48:58 - 2021-05-24 02:34:05 2459358.534 - 2459358.607 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
224445 2021-05-24 02:34:05 2459358.607 20.11 0.2 ABMag G-Gaia Gaia_Gaia-photometric 60 Robot
224444 2021-05-24 00:48:58 2459358.534 21.5 ABMag G-Gaia Gaia_Gaia-photometric Robot [Last non detection]
cyan-ATLAS ATLAS-MLO_ATLAS-01 2021-06-05 09:04:19 - 2021-06-05 09:04:19 2459370.878 - 2459370.878 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
218890 2021-06-05 09:04:19 2459370.878 19.528 0.125 20.01 ABMag cyan-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
orange-ATLAS ATLAS-HKO_ATLAS-02 2021-06-03 09:05:46 - 2021-06-03 09:05:46 2459368.879 - 2459368.879 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
218889 2021-06-03 09:05:46 2459368.879 19.49 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
i-P1 PS1_GPC1 2021-05-20 11:00:58 - 2021-05-20 11:00:58 2459354.959 - 2459354.959 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
218236 2021-05-20 11:00:58 2459354.959 20.42 0.18 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
115335 2021-06-30 09:50:20 Gaia_Bot1 S.T. Hodgkin, E. Breedt, A. Delgado et al. GaiaAlerts GaiaAlerts 14:56:52.570 +60:50:05.10 2021-05-24 02:34:04.800 20.11 G-Gaia PSN Gaia21dbn GaiaAlerts candidate SN near galaxy WISEA J145652.51+605004.9 N
113888 2021-06-16 09:25:05 ZTF_AMPEL_COMPLETE J. Nordin, V. Brinnel, J. van Santen (HU Berlin) et al. AMPEL ZTF 14:56:52.575 +60:50:05.15 2021-06-02 09:11:09.600 19.62 r-ZTF PSN ZTF21abbqeea ZTF N
112369 2021-06-05 22:56:10 ATLAS_Bot1 J. Tonry, L. Denneau, A. Heinze et al. ATLAS ATLAS 14:56:52.604 +60:50:05.38 2021-06-05 09:04:19.200 19.528 cyan-ATLAS PSN ATLAS21rem ATLAS N
112056 2021-06-04 00:27:15 PS1_Bot1 K. C. Chambers, T. de Boer, J. Bulger et al. Pan-STARRS Pan-STARRS 14:56:52.569 +60:50:05.18 2021-05-20 11:00:57.600 20.42 i-P1 PSN PS21fax 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 Dennis Richards, David Maetschke and Dipashri Acharya N
109730 2021-05-15 20:54:06 ALeRCE F. Forster, F.E. Bauer, A. Munoz-Arancibia et al. ALeRCE ZTF 14:56:52.629 +60:50:05.01 2021-05-15 07:20:06.000 20.5782 r-ZTF PSN SDSS J145652.70+605004.7 ZTF21abbqeea ZTF 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/ZTF21abbqeea 2021TNSTR1636....1F N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
10390 2021-08-09 21:23:47 ZTF_Bot1 M. Chu, A. Dahiwale, C. Fremling(Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SLSN-I 0.28 1 ZTF 2021TNSCR2748....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
10406 2021-07-15 06:14:24 P200 / DBSP Lin Yan Lin Yan ZTF tns_2021mkr_2021-07-15_06-14-24_P200_DBSP_ZTF.ascii Object
9981 2021-07-01 19:50:49 Ismael Perez-Fournon F. Poidevin, I. Perez-Fournon, C. Jimenez Angel (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) SGLF SLSN-I 0.28 1 SGLF SLSN-I at z=0.28. It was selected as a SLSN candidate for LT SPRAT spectroscopy using the ZTF public alerts. The rising time at the time of the spectroscopic observations was > 45 days since the first ZTF detection on 2021-05-15 07:20:06. Classification using SNID (S. Blondin & J. L. Tonry 2007, ApJ, 666, 1024). 2021TNSCR2271....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
9998 2021-06-29 23:15:05 LT / SPRAT 1500 LT Robot F. Poidevin and I. Perez-Fournon SGLF tns_2021mkr_2021-06-29_23-15-05_LT_SPRAT_SGLF.txt Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 115335 of Group GaiaAlerts
Previous RA, DEC: 14:56:52.569, +60:50:05.18 (224.219037132, +60.8347733653)
Updated RA, DEC: 14:56:52.570, +60:50:05.10 (224.219042, 60.83475)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 112056 of Group Pan-STARRS1
Previous RA, DEC: 14:56:52.629, +60:50:05.01 (224.2192863, +60.8347242)
Updated RA, DEC: 14:56:52.569, +60:50:05.18 (224.219037132, 60.8347733653)