RA/DEC (2000)
11:55:40.150 -12:01:21.90
178.917292 -12.02275
Type
SN Ia
Redshift
0.019133
Discovery ReportClassification Report
Reporting Group
ALeRCE
Discovering Data Source
ZTF
Discovery Date
2024-04-16 06:00:16.001
TNS AT
Y
Public
Y
Host Name
NGC 3974
Host Redshift
0.018303
Discovery Mag
18.8625
Filter
r-ZTF
Reporter/s
A. Munoz-Arancibia, G. Pignata, F. Forster, F.E. Bauer, A. Mourao, L. Hernandez-Garcia, L. Galbany, J. Silva-Farfan, R. Dastidar, J.P. Brandt, A. Alvarez, G. Cabrera-Vives, R. Carrasco-Davis, P.A. Estevez, P. Gallardo, P. Huijse, H. Larranaga, E. Pizarro, I. Reyes, P. Sanchez-Saez, A. Sepulveda, D. Rodriguez-Mancini, M. Catelan, S. Eyheramendy, M.J. Graham on behalf of the ALeRCE broker
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2024gra - 2024-04-19 05:00:32 P60 / SEDM (ZTF)z=
▌Show H 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 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

 ▌GOTO-N_GOTO-2_L
 ▌PS2_GPC2_w
 ▌ATLAS-STH_ATLAS-03_orange
 ▌BG4_BlackGEM-Cam4_BG-q
 ▌BG2_BlackGEM-Cam2_BG-q
 ▌P48_ZTF-Cam_r
 ▌Gaia_Gaia-photometric_G
 ▌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
17007 2024-04-19 05:00:32 P60 / SEDM 2700 SEDmRobot jpurdum ZTF tns_2024gra_2024-04-19_05-00-31.794423_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2024-04-11 22:10:08 - 2024-04-18 21:20:57 2460412.423701 - 2460419.389553 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
401672 2024-04-18 21:20:57 2460419.389553 17.61 0.07 ABMag L-GOTO GOTO-N_GOTO-2 360
401671 2024-04-11 22:10:08 2460412.423701 18.3 ABMag L-GOTO GOTO-N_GOTO-2 720 [Last non detection]
w-P1 PS2_GPC2 2024-05-01 07:34:18 - 2024-05-01 07:34:18 2460431.81549 - 2460431.81549 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
403878 2024-05-01 07:34:18 2460431.81549 16.32 0 22 ABMag w-P1 PS2_GPC2 45 Robot
orange-ATLAS ATLAS-STH_ATLAS-03 2024-03-31 21:56:17 - 2024-03-31 21:56:17 2460401.41409 - 2460401.41409 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
401717 2024-03-31 21:56:17 2460401.41409 18.54 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
BG-q-BlackGem BG4_BlackGEM-Cam4 2024-04-03 01:55:25 - 2024-04-03 01:55:25 2460403.5801505 - 2460403.5801505 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
463191 2024-04-03 01:55:25 2460403.5801505 21.45 ABMag BG-q-BlackGem BG4_BlackGEM-Cam4 60 robotic [Last non detection]
BG-q-BlackGem BG2_BlackGEM-Cam2 2024-06-30 23:27:05 - 2024-06-30 23:27:05 2460492.4771412 - 2460492.4771412 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
463192 2024-06-30 23:27:05 2460492.4771412 19.28 0.12 21.12 ABMag BG-q-BlackGem BG2_BlackGEM-Cam2 60 robotic
r-ZTF P48_ZTF-Cam 2024-04-12 07:16:09 - 2024-04-16 06:00:16 2460412.8028819 - 2460416.7501852 4
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
401251 2024-04-16 06:00:16 2460416.7501852 18.8625 0.11731 19.7713 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
404576 2024-04-16 06:00:16 2460416.7501852 18.8625 0.11731 19.7713 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
401250 2024-04-12 07:16:09 2460412.8028819 20.4014 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
404575 2024-04-12 07:16:09 2460412.8028819 20.4014 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
G-Gaia Gaia_Gaia-photometric 2024-05-24 20:48:29 - 2024-05-24 22:35:02 2460455.367 - 2460455.441 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
414160 2024-05-24 22:35:02 2460455.441 17.82 0.2 ABMag G-Gaia Gaia_Gaia-photometric 60 Robot
414159 2024-05-24 20:48:29 2460455.367 21.5 ABMag G-Gaia Gaia_Gaia-photometric Robot [Last non detection]
orange-ATLAS ATLAS-HKO_ATLAS-02 2024-04-16 09:06:17 - 2024-04-16 09:06:17 2460416.87936 - 2460416.87936 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
401718 2024-04-16 09:06:17 2460416.87936 18.706 0.181 19.09 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
241571 2025-01-19 15:37:02 BlackGEM_Bot1 F. Stoppa, H. Tranin, D. Pieterse et al. BlackGEM BlackGEM 11:55:40.167 -12:01:22.26 2024-06-30 23:27:05.000 19.28 BG-q-BlackGem 1 PSN BGEM J115540.16-120122.2 BlackGEM N
Related files
File Comments Last Modified (UT) Modified By
tns_2024gra_atrep_241571_BlackGEM.pdf Finding Chart 2025-01-19 15:37:04 BlackGEM_Bot1
215502 2024-06-22 21:50:53 Gaia_Bot1 S.T. Hodgkin, E. Breedt, A. Delgado et al. GaiaAlerts GaiaAlerts 11:55:40.150 -12:01:21.90 2024-05-24 22:35:02.400 17.82 G-Gaia PSN Gaia24blw GaiaAlerts confirmed SN Ia N
209459 2024-05-05 01:30:28 Fink Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker Fink ZTF 11:55:40.159 -12:01:21.83 2024-04-16 06:00:16.001 18.8625 r-ZTF PSN ZTF24aajvqre Fink Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF24aajvqre N
209201 2024-05-03 08:42:32 PS1_Bot1 K. C. Chambers, T. de Boer, J. Herman et al. Pan-STARRS Pan-STARRS 11:55:40.154 -12:01:21.83 2024-05-01 07:34:18.336 16.32 w-P1 PSN PS24cff Pan-STARRS N
208044 2024-04-19 14:05:46 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 11:55:40.153 -12:01:21.70 2024-04-16 09:06:16.704 18.706 orange-ATLAS PSN ATLAS24fyr ATLAS N
208012 2024-04-19 10:07:33 GOTO_bot S. Belkin, K. Ackley, M. Dyer et al. GOTO GOTO 11:55:40.168 -12:01:22.09 2024-04-18 21:20:57.120 17.61 L-GOTO Other GOTO24amj GOTO N
207806 2024-04-16 14:58:43 ALeRCE A. Munoz-Arancibia, G. Pignata, F. Forster et al. ALeRCE ZTF 11:55:40.156 -12:01:21.70 2024-04-16 06:00:16.001 18.8625 r-ZTF PSN NGC 3974 ZTF24aajvqre ALeRCE Early SN candidate (r-rise > 0.39+-0.03 mag/day) classified using ALeRCE's stamp classifier (Carrasco-Davis et al. 2021) and the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF24aajvqre 2024TNSTR1080....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
16920 2024-04-19 15:36:33 ZTF_Bot1 C. Fremling, D. Neill, Y. Sharma on behalf of the SEDM Team (Caltech) and the Zwicky Transient Facility (ZTF) based on SNIascore ZTF SN Ia 0.019133 1 ZTF 2024TNSCR1143....1F
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
17007 2024-04-19 05:00:32 P60 / SEDM 2700 SEDmRobot jpurdum ZTF tns_2024gra_2024-04-19_05-00-31.794423_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Sun, 12/22/2024 - 17:58

Object coordinates updated

Object coordinates updated according to AT-report 215502 of Group GaiaAlerts
Previous RA, DEC: 11:55:40.154, -12:01:21.83 (178.917310358, -12.0227308531)
Updated RA, DEC: 11:55:40.150, -12:01:21.90 (178.917292, -12.02275)

TNS
System

Sun, 12/22/2024 - 17:58

Object coordinates updated

Object coordinates updated according to AT-report 209201 of Group Pan-STARRS
Previous RA, DEC: 11:55:40.156, -12:01:21.70 (178.91731760000002, -12.0226955)
Updated RA, DEC: 11:55:40.154, -12:01:21.83 (178.917310358, -12.0227308531)