RA/DEC (2000)
09:44:20.256 -21:16:22.40
146.084398667 -21.272888054
Type
SN Ia
Redshift
0.0077
Discovery ReportClassification Report
Reporting Group
DLT40
Discovering Data Source
DLT40
Discovery Date
2025-01-08 06:08:12.480
TNS AT
Y
Public
Y
Host Name
ESO566m004
Discovery Mag
17.9125
Filter
Clear-
Reporter/s
M. Lundquist, S. Valenti, D. J. Sand, J. E. Andrews, J. Pearson, D. Janzen, N. Meza, S. D. Wyatt, J. Jencson, M. Shrestha, E. Hoang, K. A. Bostroem, Y. Dong, G. Hosseinzadeh
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025gj - 2025-01-08 22:28:28 SALT / RSS (DLT40)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

 ▌GOTO-S_GOTO-4_L
 ▌GOTO-S_GOTO-3_L
 ▌PS2_GPC2_w
 ▌ATLAS-CHL_ATLAS-04_orange
 ▌ATLAS-STH_ATLAS-03_cyan
 ▌BG3_BlackGEM-Cam3_BG-q
 ▌BG2_BlackGEM-Cam2_BG-q
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌Other_Other_Clear
   
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
20085 2025-01-08 22:28:28 SALT / RSS 1800 R. Kuhn S. W. Jha DLT40 tns_2025gj_2025-01-08_22-28-28_SALT_RSS_DLT40.dat Object Type Ia supernova before maximum light. Expansion velocity is 13,700 km/s based on the minimum of the Si II 635.5 nm absorption, adopting a host redshift for NGC 2986 of z = 0.0077 from NED.
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-4 2025-01-12 12:23:12 - 2025-01-12 12:23:12 2460688.016112 - 2460688.016112 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
462168 2025-01-12 12:23:12 2460688.016112 15.26 0.09 ABMag L-GOTO GOTO-S_GOTO-4 180
L-GOTO GOTO-S_GOTO-3 2025-01-04 13:54:53 - 2025-01-04 13:54:53 2460680.079781 - 2460680.079781 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
462167 2025-01-04 13:54:53 2460680.079781 19.7 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
w-P1 PS2_GPC2 2025-01-22 11:21:31 - 2025-01-22 11:21:31 2460697.97328 - 2460697.97328 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
464790 2025-01-22 11:21:31 2460697.97328 13.82 0.01 22 ABMag w-P1 PS2_GPC2 45 Robot
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-01-07 06:06:53 - 2025-01-07 06:06:53 2460682.75478 - 2460682.75478 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
461678 2025-01-07 06:06:53 2460682.75478 19.45 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
cyan-ATLAS ATLAS-STH_ATLAS-03 2025-01-08 00:11:57 - 2025-01-08 00:11:57 2460683.5083 - 2460683.5083 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
461679 2025-01-08 00:11:57 2460683.5083 18.59 0.134 19.7 ABMag cyan-ATLAS ATLAS-STH_ATLAS-03 30 Robot
BG-q-BlackGem BG3_BlackGEM-Cam3 2025-01-21 04:35:25 - 2025-01-21 04:35:25 2460696.6912616 - 2460696.6912616 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
476662 2025-01-21 04:35:25 2460696.6912616 13.91 0.02 20.74 ABMag BG-q-BlackGem BG3_BlackGEM-Cam3 60 robotic
BG-q-BlackGem BG2_BlackGEM-Cam2 2024-12-24 06:14:55 - 2024-12-24 06:14:55 2460668.7603588 - 2460668.7603588 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
476661 2024-12-24 06:14:55 2460668.7603588 20.9 ABMag BG-q-BlackGem BG2_BlackGEM-Cam2 60 robotic [Last non detection]
r-ZTF P48_ZTF-Cam 2025-01-07 10:34:24 - 2025-01-09 09:32:00 2460682.9405556 - 2460684.8972222 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
461726 2025-01-09 09:32:00 2460684.8972222 17.0754 0.0523534 ABMag r-ZTF P48_ZTF-Cam
461725 2025-01-07 10:34:24 2460682.9405556 19.8964 0.273896 ABMag r-ZTF P48_ZTF-Cam
g-ZTF P48_ZTF-Cam 2025-01-07 09:35:16 - 2025-01-07 09:35:16 2460682.8994907 - 2460682.8994907 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
461724 2025-01-07 09:35:16 2460682.8994907 19.7201 ABMag g-ZTF P48_ZTF-Cam [Last non detection]
Clear- Other_Other 2025-01-06 18:20:46 - 2025-01-08 06:08:12 2460682.26442 - 2460683.7557 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
461629 2025-01-08 06:08:12 2460683.7557 17.9125 0.16 ABMag Clear- Other_Other 60 Robot Prompt5 0.4m
461628 2025-01-06 18:20:46 2460682.26442 19.7698 ABMag Clear- Other_Other 60 Robot [Last non detection] Prompt5 0.4m
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
248744 2025-03-18 14:03:03 BlackGEM_Bot1 J. A. Paice,H. Tranin,F. Stoppa et al. BlackGEM BlackGEM 09:44:20.267 -21:16:22.83 2025-01-21 04:35:25.000 13.91 BG-q-BlackGem 1 PSN BGEM J094420.26-211622.8 BlackGEM N
Related files
File Comments Last Modified (UT) Modified By
tns_2025gj_atrep_248744_BlackGEM.pdf Finding Chart 2025-03-18 14:03:04 BlackGEM_Bot1
242521 2025-01-26 18:14:13 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 09:44:20.256 -21:16:22.40 2025-01-22 11:21:31.392 13.82 w-P1 PSN PS25is Pan-STARRS N
241056 2025-01-13 08:43:58 GOTO_bot D. O'Neill,G. Ramsay,K. Ackley et al. GOTO GOTO 09:44:20.228 -21:16:22.67 2025-01-12 12:23:11.904 15.26 L-GOTO Other GOTO25gp GOTO N
240846 2025-01-09 09:46:45 Fritz Nabeel Rehemtulla (CIERA,NU),Christoffer Fremling (Caltech) et al. ZTF ZTF 09:44:20.255 -21:16:22.62 2025-01-07 10:34:24.003 19.8964 r-ZTF PSN ZTF25aabmhly ZTF Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167). N
240827 2025-01-09 08:08:54 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 09:44:20.260 -21:16:22.53 2025-01-08 00:11:57.120 18.59 cyan-ATLAS PSN ATLAS25aim ATLAS N
240800 2025-01-08 18:10:35 DLT40_bot1 M. Lundquist,S. Valenti,D. J. Sand et al. DLT40 DLT40 09:44:20.250 -21:16:22.40 2025-01-08 06:08:12.480 17.9125 Clear- PSN ESO566m004 DLT25a DLT40 2025TNSTR.105....1L N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
20085 2025-01-09 04:10:24 Saurabh Jha Saurabh W. Jha, R. Kuhn, S. Valenti, D. J. Sand, M. Lundquist, J. E. Andrews, E. Hoang, M. Shrestha, Y. Dong, D. Janzen, G. Hosseinzadeh, J. Pearson, N. Meza, K. A. Bostroem, D. Mehta, A. Ravi, A. Martas DLT40 SN Ia 0.0077 1 Add DLT40 2025TNSCR.128....1J
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
20085 2025-01-08 22:28:28 SALT / RSS 1800 R. Kuhn S. W. Jha DLT40 tns_2025gj_2025-01-08_22-28-28_SALT_RSS_DLT40.dat Object Type Ia supernova before maximum light. Expansion velocity is 13,700 km/s based on the minimum of the Si II 635.5 nm absorption, adopting a host redshift for NGC 2986 of z = 0.0077 from NED.

Comments

TNS
System

Sun, 01/26/2025 - 18:14

Object coordinates updated

Object coordinates updated according to AT-report 242521 of Group Pan-STARRS
Previous RA, DEC: 09:44:20.255, -21:16:22.62 (146.0843965, -21.272949)
Updated RA, DEC: 09:44:20.256, -21:16:22.40 (146.084398667, -21.272888054)

TNS
System

Thu, 01/09/2025 - 09:46

Object coordinates updated

Object coordinates updated according to AT-report 240846 of Group ZTF
Previous RA, DEC: 09:44:20.260, -21:16:22.53 (146.084415652, -21.272923913)
Updated RA, DEC: 09:44:20.255, -21:16:22.62 (146.0843965, -21.272949)

TNS
System

Thu, 01/09/2025 - 08:08

Object coordinates updated

Object coordinates updated according to AT-report 240827 of Group ATLAS
Previous RA, DEC: 09:44:20.250, -21:16:22.40 (146.084375, -21.272889)
Updated RA, DEC: 09:44:20.260, -21:16:22.53 (146.084415652, -21.272923913)