RA/DEC (2000)
07:31:55.762 +18:19:48.25
112.982342 +18.330069
Type
SN Ia
Redshift
0.023
Discovery ReportClassification Report
Reporting Group
JIST
Discovering Data Source
JIST
Discovery Date
2025-04-01 14:42:21.600
TNS AT
Y
Public
Y
Host Name
NGC2407
Discovery Mag
19.4
Filter
L-
Reporter/s
Zhangwei Jin, Tao Chen, Jie-Lin Yang , Yu-Hsing Lee , Hung-Yi Yeh, Po-Liang Cheng, Winson Tsai
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025gmc - 2025-04-07 00:00:00 LT / SPRAT (TCD)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

 ▌BG3_BlackGEM-Cam3_BG-q
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-HKO_ATLAS-02_orange
 ▌Other_Other_L
   
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
20732 2025-04-07 00:00:00 LT / SPRAT 1200 Cillian O'Donnell, Kate Maguire, Umut Burgaz, Christine Collins, Ravi Seth, CG Touchard-Paxton, Jacobus Terwel, Thomas Muller Br Cillian O'Donnell TCD tns_2025gmc_2025-04-07_LT_SPRAT_TCD.text Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
BG-q-BlackGem BG3_BlackGEM-Cam3 2025-03-04 01:07:50 - 2025-03-31 23:52:20 2460738.5471065 - 2460766.4946759 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
481364 2025-03-31 23:52:20 2460766.4946759 19.55 0.13 20.63 ABMag BG-q-BlackGem BG3_BlackGEM-Cam3 60 robotic
481363 2025-03-04 01:07:50 2460738.5471065 20.68 ABMag BG-q-BlackGem BG3_BlackGEM-Cam3 60 robotic [Last non detection]
r-ZTF P48_ZTF-Cam 2025-03-27 05:06:54 - 2025-04-07 06:43:08 2460761.713125 - 2460772.7799537 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
481541 2025-04-07 06:43:08 2460772.7799537 17.0264 0.0606358 ABMag r-ZTF P48_ZTF-Cam
481540 2025-03-27 05:06:54 2460761.713125 20.5265 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-04-09 05:39:31 - 2025-04-09 05:39:31 2460774.7357755 - 2460774.7357755 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
481542 2025-04-09 05:39:31 2460774.7357755 16.6344 0.0378573 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-04-01 06:15:11 - 2025-04-02 05:39:40 2460766.76054 - 2460767.73588 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
480260 2025-04-02 05:39:40 2460767.73588 18.918 0.149 19.32 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot
480259 2025-04-01 06:15:11 2460766.76054 19.35 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
L- Other_Other 2025-04-01 14:42:22 - 2025-04-16 14:06:16 2460767.11275 - 2460782.08769 5
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
482445 2025-04-16 14:06:16 2460782.08769 15.8 0.29 19.5 VegaMag L- Other_Other 60 Yuan-Sheng Tsai Mewlon300+294M
481460 2025-04-08 14:13:40 2460774.09282 16.8 19.8 VegaMag L- Other_Other 60 Yuan-Sheng Tsai Mewlon300 +QHY294M Pro
480762 2025-04-04 12:35:28 2460770.02463 18 0.13 19.5 VegaMag L- Other_Other 30 Yuan-Sheng Tsai CDK17"+PlayOne PoseidonM
480230 2025-04-02 12:31:35 2460768.02193 18.4 VegaMag L- Other_Other 60 Yuan-Sheng Tsai
480228 2025-04-01 14:42:22 2460767.11275 19.4 20 VegaMag L- Other_Other 60
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
251787 2025-04-17 10:44:33 Yuan-Sheng Tsai Tao Chen, Jie-Lin Yang, Yu-Hsing Lee et al. JIST JIST 07:31:55.780 +18:19:49.00 2025-04-16 14:06:16.416 15.8 L- 1 PSN NGC2407 JIST N
Related files
File Comments Last Modified (UT) Modified By
tns_2025gmc_atrep_251787_JIST.png 2025-04-17 10:44:33 Yuan-Sheng Tsai
251296 2025-04-09 05:50:00 Fritz Nabeel Rehemtulla (CIERA, NU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 07:31:55.765 +18:19:48.48 2025-04-07 06:43:07.999 17.0264 r-ZTF PSN ZTF25aalthwc ZTF Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167). N
251241 2025-04-08 15:33:54 Yuan-Sheng Tsai Tao Chen, Jie-Lin Yang, Yu-Hsing Lee et al. JIST JIST 07:31:55.730 +18:19:48.50 2025-04-08 14:13:39.648 16.8 L- PSN NGC2407 JIST N
251202 2025-04-08 07:56:03 BlackGEM_Bot1 F. Stoppa, H. Tranin, D. Pieterse et al. BlackGEM BlackGEM 07:31:55.762 +18:19:48.25 2025-03-31 23:52:20.000 19.55 BG-q-BlackGem 1 PSN BGEM J073155.76+181948.2 BlackGEM N
Related files
File Comments Last Modified (UT) Modified By
tns_2025gmc_atrep_251202_BlackGEM.pdf Finding Chart 2025-04-08 07:56:05 BlackGEM_Bot1
250916 2025-04-04 14:21:52 Yuan-Sheng Tsai Tao Chen, Jie-Lin Yang, Yu-Hsing Lee et al. JIST JIST 07:31:55.770 +18:19:48.90 2025-04-04 12:35:28.032 18 L- PSN NGC2407 JIST N
250598 2025-04-02 15:47:23 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 07:31:55.772 +18:19:48.41 2025-04-02 05:39:40.032 18.918 orange-ATLAS PSN ATLAS25dmk ATLAS N
250571 2025-04-02 14:09:32 Yuan-Sheng Tsai Tao Chen, Jie-Lin Yang, Yu-Hsing Lee et al. JIST JIST 07:31:55.750 +18:19:48.70 2025-04-02 12:31:34.752 18.4 L- 1 PSN NGC2407 N
Related files
File Comments Last Modified (UT) Modified By
tns_2025gmc_atrep_250571.png 2025-04-02 14:09:33 Yuan-Sheng Tsai
250569 2025-04-02 13:52:47 Yuan-Sheng Tsai Zhangwei Jin, Tao Chen, Jie-Lin Yang et al. JIST JIST 07:31:55.760 +18:19:48.50 2025-04-01 14:42:21.600 19.4 L- PSN NGC2407 2025TNSTR1244....1J N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
20732 2025-04-08 16:45:48 Cillian O'Donnell Cillian O'Donnell, Kate Maguire, Umut Burgaz, Christine Collins, Ravi Seth, CG Touchard-Paxton, Jacobus Terwel, Thomas Muller Bravo TCD SN Ia 0.023 1 TCD redshift from snid classification 2025TNSCR1331....1O
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
20732 2025-04-07 00:00:00 LT / SPRAT 1200 Cillian O'Donnell, Kate Maguire, Umut Burgaz, Christine Collins, Ravi Seth, CG Touchard-Paxton, Jacobus Terwel, Thomas Muller Br Cillian O'Donnell TCD tns_2025gmc_2025-04-07_LT_SPRAT_TCD.text Object

Comments

TNS
System

Tue, 04/08/2025 - 07:56

Object coordinates updated

Object coordinates updated according to AT-report 251202 of Group BlackGEM
Previous RA, DEC: 07:31:55.772, +18:19:48.41 (112.982382, +18.330114)
Updated RA, DEC: 07:31:55.762, +18:19:48.25 (112.982342, +18.330069)

TNS
System

Wed, 04/02/2025 - 15:47

Object coordinates updated

Object coordinates updated according to AT-report 250598 of Group ATLAS
Previous RA, DEC: 07:31:55.750, +18:19:48.70 (112.982292, +18.330194)
Updated RA, DEC: 07:31:55.772, +18:19:48.41 (112.982382, +18.330114)

TNS
System

Wed, 04/02/2025 - 14:09

Object coordinates updated

Object coordinates updated according to AT-report 250571 of Group None
Previous RA, DEC: 07:31:55.760, +18:19:48.50 (112.982333, +18.330139)
Updated RA, DEC: 07:31:55.750, +18:19:48.70 (112.982292, +18.330194)