RA/DEC (2000)
02:25:24.106 -18:14:42.46
36.350441851 -18.2451288859
Type
SN Ia
Redshift
0.063
Discovery ReportClassification Report
Related AstroNotes: 2021-234
Reporting Group
ALeRCE
Discovering Data Source
ZTF
Discovery Date
2021-08-27 11:31:06.997
TNS AT
Y
Public
Y
Host Name
WISEA J022523.85-181446.6
Discovery Mag
19.9598
Filter
r-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_2021xgd - 2021-09-04 04:17:51 ESO-NTT / EFOSC2-NTT (ePESSTO+)z=
 ▌SN_2021xgd - 2021-09-03 07:46:26 P60 / SEDM (ZTF)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_i
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌ATLAS-HKO_ATLAS-02_orange
 ▌PS1_GPC1_w
   
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
10765 2021-09-04 04:17:51 ESO-NTT / EFOSC2-NTT 900 L. Harvey, J. Terwel M. Deckers, M. Magee ePESSTO+ tns_2021xgd_2021-09-04_04-17-51_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2021xgd_2021-09-04_04-17-51_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
10744 2021-09-03 07:46:26 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2021xgd_2021-09-03_07-46-25.625880_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
i-P1 PS2_GPC2 2021-09-25 12:47:31 - 2021-09-25 12:47:31 2459483.033 - 2459483.033 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
259820 2021-09-25 12:47:31 2459483.033 19.07 0.07 20.7 ABMag i-P1 PS2_GPC2 45 Robot
r-ZTF P48_ZTF-Cam 2021-08-27 11:31:07 - 2021-08-30 10:33:08 2459453.9799421 - 2459456.9396759 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
237691 2021-08-30 10:33:08 2459456.9396759 19.0434 0.101059 20.0378 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
237690 2021-08-27 11:31:07 2459453.9799421 19.9598 0.246824 19.8868 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
g-ZTF P48_ZTF-Cam 2021-08-27 10:56:42 - 2021-08-27 10:56:42 2459453.9560417 - 2459453.9560417 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
237689 2021-08-27 10:56:42 2459453.9560417 19.493 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
orange-ATLAS ATLAS-MLO_ATLAS-01 2021-08-29 12:11:31 - 2021-08-29 12:11:31 2459456.008 - 2459456.008 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
237863 2021-08-29 12:11:31 2459456.008 19.39 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2021-08-31 11:03:50 - 2021-08-31 11:03:50 2459457.961 - 2459457.961 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
237864 2021-08-31 11:03:50 2459457.961 18.846 0.173 19.42 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
w-P1 PS1_GPC1 2021-09-13 11:58:34 - 2021-09-13 11:58:34 2459470.999 - 2459470.999 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
242034 2021-09-13 11:58:34 2459470.999 18.11 0.01 22 ABMag w-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
132811 2021-12-31 20:39:21 PS2_Bot1 K. C. Chambers, T. de Boer, J. Bulger et al. Pan-STARRS Pan-STARRS 02:25:24.106 -18:14:42.46 2021-09-25 12:47:31.200 19.07 i-P1 PSN PS21jyf Pan-STARRS N
123493 2021-09-15 09:42:53 PS1_Bot1 K. C. Chambers, T. de Boer, J. Bulger et al. Pan-STARRS Pan-STARRS 02:25:24.102 -18:14:42.34 2021-09-13 11:58:33.600 18.11 w-P1 PSN PS21jyf Pan-STARRS N
121904 2021-08-31 21:53:25 ATLAS_Bot1 J. Tonry, L. Denneau, A. Heinze et al. ATLAS ATLAS 02:25:24.104 -18:14:42.38 2021-08-31 11:03:50.400 18.846 orange-ATLAS PSN ATLAS21bhhp ATLAS N
121779 2021-08-30 17:39:51 ALeRCE A. Munoz-Arancibia, F. Forster, F.E. Bauer et al. ALeRCE ZTF 02:25:24.108 -18:14:42.42 2021-08-27 11:31:06.997 19.9598 r-ZTF PSN WISEA J022523.85-181446.6 ZTF21abwdzio 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/ZTF21abwdzio 2021TNSTR2973....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
10711 2021-09-04 19:45:29 ePESSTOplus_Bot1 L. Harvey, J. Terwel, M. Deckers, M. Magee, O. Yaron on behalf of ePESSTO+ ePESSTO+ SN Ia 0.063 1 ePESSTO+ 2021TNSCR3042....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
10765 2021-09-04 04:17:51 ESO-NTT / EFOSC2-NTT 900 L. Harvey, J. Terwel M. Deckers, M. Magee ePESSTO+ tns_2021xgd_2021-09-04_04-17-51_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2021xgd_2021-09-04_04-17-51_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
10690 2021-09-03 16:06:54 ZTF_Bot1 SNIascore on behalf of the SEDM Team (Caltech) and the Zwicky Transient Facility (ZTF) ZTF SN Ia 0.063 1 ZTF 2021TNSCR3032....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
10744 2021-09-03 07:46:26 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2021xgd_2021-09-03_07-46-25.625880_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Fri, 12/31/2021 - 20:30

Object coordinates updated

Object coordinates updated according to AT-report 132811 of Group Pan-STARRS1
Previous RA, DEC: 02:25:24.102, -18:14:42.34 (36.3504240414, -18.2450936108)
Updated RA, DEC: 02:25:24.106, -18:14:42.46 (36.350441851, -18.2451288859)

TNS
System

Wed, 09/15/2021 - 09:30

Object coordinates updated

Object coordinates updated according to AT-report 123493 of Group Pan-STARRS1
Previous RA, DEC: 02:25:24.108, -18:14:42.42 (36.35045005, -18.24511545)
Updated RA, DEC: 02:25:24.102, -18:14:42.34 (36.3504240414, -18.2450936108)