RA/DEC (2000)
07:57:03.537 +22:31:19.74
119.264737 +22.52215
Type
SN Ia
Redshift
0.0478
Discovery ReportClassification Report
Related AstroNotes: 2025-49
Reporting Group
BlackGEM
Discovering Data Source
BlackGEM
Discovery Date
2025-02-02 05:22:15.000
TNS AT
Y
Public
Y
Discovery Mag
18.84
Filter
BG-q-BlackGem
Reporter/s
F. Stoppa, H. Tranin, D. Pieterse, G. Ramsay, S. Faris, P. Groot, P. Vreeswijk, N. Blagorodnova, J. van Roestel, H. Wichern, S. Scaringi
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025ard - 2025-02-07 04:09:24 ESO-NTT / EFOSC2-NTT (ePESSTO+)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

 ▌LAST_LAST-Cam_Clear
 ▌GOTO-S_GOTO-3_L
 ▌GOTO-N_GOTO-1_L
 ▌BG4_BlackGEM-Cam4_BG-q
 ▌ML1_MeerLICHT-Cam_BG-q
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌ATLAS-HKO_ATLAS-02_cyan
   
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
20343 2025-02-07 04:09:24 ESO-NTT / EFOSC2-NTT 899 D. Magill, J. Gillanders A. Aamer, C. Angus ePESSTO+ tns_2025ard_2025-02-07_04-09-24_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025ard_2025-02-07_04-09-24_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- LAST_LAST-Cam 2025-01-27 21:50:54 - 2025-03-01 19:55:22 2460703.41035 - 2460736.33012 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
473044 2025-03-01 19:55:22 2460736.33012 19.13 ABMag Clear- LAST_LAST-Cam 400
473043 2025-01-27 21:50:54 2460703.41035 20.35 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
L-GOTO GOTO-S_GOTO-3 2025-01-28 12:10:43 - 2025-01-28 12:10:43 2460704.007444 - 2460704.007444 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
466271 2025-01-28 12:10:43 2460704.007444 20 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
L-GOTO GOTO-N_GOTO-1 2025-02-02 20:31:35 - 2025-02-02 20:31:35 2460709.355275 - 2460709.355275 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
466272 2025-02-02 20:31:35 2460709.355275 18.48 0.09 ABMag L-GOTO GOTO-N_GOTO-1 180
BG-q-BlackGem BG4_BlackGEM-Cam4 2025-02-02 05:22:15 - 2025-02-02 05:22:15 2460708.7237847 - 2460708.7237847 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
466207 2025-02-02 05:22:15 2460708.7237847 18.84 0.08 20.84 ABMag BG-q-BlackGem BG4_BlackGEM-Cam4 60 robotic
BG-q-BlackGem ML1_MeerLICHT-Cam 2023-08-28 19:45:41 - 2023-08-28 19:45:41 2460185.3233912 - 2460185.3233912 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
466206 2023-08-28 19:45:41 2460185.3233912 20.12 ABMag BG-q-BlackGem ML1_MeerLICHT-Cam 60 robotic [Last non detection]
r-ZTF P48_ZTF-Cam 2025-01-31 06:56:29 - 2025-02-03 04:28:47 2460706.7892245 - 2460709.6866551 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
466388 2025-02-03 04:28:47 2460709.6866551 18.4137 0.0732413 ABMag r-ZTF P48_ZTF-Cam
466386 2025-01-31 06:56:29 2460706.7892245 17.5849 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-01-31 07:36:36 - 2025-01-31 07:36:36 2460706.8170833 - 2460706.8170833 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
466387 2025-01-31 07:36:36 2460706.8170833 19.1745 0.12498 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-02-02 11:19:25 - 2025-02-02 11:19:25 2460708.97182 - 2460708.97182 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
466595 2025-02-02 11:19:25 2460708.97182 19.49 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
cyan-ATLAS ATLAS-HKO_ATLAS-02 2025-02-03 10:29:48 - 2025-02-03 10:29:48 2460709.93736 - 2460709.93736 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
466596 2025-02-03 10:29:48 2460709.93736 18.622 0.135 19.57 ABMag cyan-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
246478 2025-03-02 06:29:05 LAST_Bot1 R. Konno (WIS),E. Zimmerman (WIS),A. Horowicz (WIS) et al. LAST LAST 07:57:03.501 +22:31:20.15 2025-03-01 19:55:22.368 19.13 Clear- PSN LAST N
243364 2025-02-03 21:48:34 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 07:57:03.534 +22:31:20.30 2025-02-03 10:29:47.904 18.622 cyan-ATLAS PSN ATLAS25bhr ATLAS N
243265 2025-02-03 05:45:26 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 07:57:03.537 +22:31:20.05 2025-01-31 07:36:35.997 19.1745 g-ZTF PSN ZTF25aadkeon ZTF N
243227 2025-02-02 21:52:02 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 07:57:03.512 +22:31:20.73 2025-02-02 20:31:35.328 18.48 L-GOTO Other GOTO25zf GOTO N
243176 2025-02-02 12:13:03 BlackGEM_Bot1 F. Stoppa,H. Tranin,D. Pieterse et al. BlackGEM BlackGEM 07:57:03.537 +22:31:19.74 2025-02-02 05:22:15.000 18.84 BG-q-BlackGem 1 PSN BGEM J075703.53+223119.7 BlackGEM 2025TNSTR.447....1S N
Related files
File Comments Last Modified (UT) Modified By
tns_2025ard_atrep_243176_BlackGEM.pdf Finding Chart 2025-02-02 12:13:06 BlackGEM_Bot1
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
20343 2025-02-07 16:17:08 ePESSTOplus_Bot1 D. Magill, J. Gillanders, A. Aamer, C. Angus, E. A. Zimmerman on behalf of ePESSTO+ ePESSTO+ SN Ia 0.0478 1 Add ePESSTO+ 2025TNSCR.527....1M
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
20343 2025-02-07 04:09:24 ESO-NTT / EFOSC2-NTT 899 D. Magill, J. Gillanders A. Aamer, C. Angus ePESSTO+ tns_2025ard_2025-02-07_04-09-24_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025ard_2025-02-07_04-09-24_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

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