RA/DEC (2000)
12:33:20.814 +27:06:34.44
188.336724148 +27.10956636
Type
SN Ib
Redshift
0.025
Discovery ReportClassification Report
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-03-22 11:12:50.400
TNS AT
Y
Public
Y
Discovery Mag
18.555
Filter
orange-ATLAS
Reporter/s
J. Tonry, L. Denneau, H. Weiland, R. Siverd (IfA, University of Hawaii), N. Erasmus, W. Koorts (South African Astronomical Observatory), A. Jordan, V. Suc (UAI, Obstech), S. J. Smartt, K. W. Smith (Oxford/QUB), D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng, C. R. Angus, A. Wilson, A. Aamer, D. Magill (QUB), P. Ramsden (Birmingham/QUB), L. Shingles (GSI/QUB), S. Srivastav, J. H. Gillanders, H. Stevance, A. J. Cooper, F. Stoppa, J. Tweddle (Oxford), L. Rhodes (TSI/McGill), A. Rest (STScI), T.-W. Chen (NCU), C. Stubbs (Harvard), J. S. Sommer (LMU), B. P. Schmidt (ANU)
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025few - 2025-04-09 08:29:23 Lick-3m / KAST (UCSC)z=
 ▌SN_2025few - 2025-03-24 09:02:32 UH88 / SNIFS (SCAT)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-N_GOTO-1_L
 ▌BG4_BlackGEM-Cam4_BG-q
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌PS1_GPC1_g
 ▌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
20917 2025-04-09 08:29:23 Lick-3m / KAST 1500 Ravjit Kaur Ravjit Kaur UCSC tns_2025few_2025-04-09_08-29-22.65_Lick-3m_KAST_UCSC.flm Object
20621 2025-03-24 09:02:32 UH88 / SNIFS 1800 Desai SCAT tns_2025few_2460758.87676_UH88_SNIFS_SCAT.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- LAST_LAST-Cam 2024-03-04 23:28:49 - 2025-05-03 19:23:29 2460374.47835 - 2460799.30798 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
486511 2025-05-03 19:23:29 2460799.30798 16.69 ABMag Clear- LAST_LAST-Cam 400
486510 2024-03-04 23:28:49 2460374.47835 21.58 ABMag Clear- LAST_LAST-Cam 2380 [Last non detection]
L-GOTO GOTO-N_GOTO-1 2025-03-21 01:42:57 - 2025-04-04 01:01:31 2460755.571486 - 2460769.542723 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
480608 2025-04-04 01:01:31 2460769.542723 17.66 0.04 ABMag L-GOTO GOTO-N_GOTO-1 180
480607 2025-03-21 01:42:57 2460755.571486 19.6 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
BG-q-BlackGem BG4_BlackGEM-Cam4 2025-02-25 07:36:34 - 2025-04-15 01:49:12 2460731.8170602 - 2460780.5758333 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
482140 2025-04-15 01:49:12 2460780.5758333 17.09 0.04 19.81 ABMag BG-q-BlackGem BG4_BlackGEM-Cam4 60 robotic
482139 2025-02-25 07:36:34 2460731.8170602 21.12 ABMag BG-q-BlackGem BG4_BlackGEM-Cam4 60 robotic [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-03-21 12:00:50 - 2025-03-22 11:12:50 2460756.00058 - 2460756.96725 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
477768 2025-03-22 11:12:50 2460756.96725 18.555 0.093 19.58 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
477767 2025-03-21 12:00:50 2460756.00058 16.33 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
g-P1 PS1_GPC1 2025-03-24 09:31:02 - 2025-03-24 09:31:02 2460758.89655 - 2460758.89655 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
478599 2025-03-24 09:31:02 2460758.89655 18.23 0.03 21 ABMag g-P1 PS1_GPC1 27 Robot
w-P1 PS1_GPC1 2025-03-23 08:40:19 - 2025-03-23 08:40:19 2460757.86133 - 2460757.86133 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
478702 2025-03-23 08:40:19 2460757.86133 18.49 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
253882 2025-05-03 20:16:55 LAST_Bot1 E. O. Ofek (WIS),R. Konno (WIS),E. A. Zimmerman (WIS) et al. LAST LAST 12:33:20.775 +27:06:34.75 2025-05-03 19:23:29.472 16.69 Clear- PSN LAST N
251650 2025-04-15 06:27:03 BlackGEM_Bot1 P. Groot,H. Tranin,F. Stoppa et al. BlackGEM BlackGEM 12:33:20.832 +27:06:34.34 2025-04-15 01:49:12.000 17.09 BG-q-BlackGem 1 PSN BGEM J123320.83+270634.3 BlackGEM N
Related files
File Comments Last Modified (UT) Modified By
tns_2025few_atrep_251650_BlackGEM.pdf Finding Chart 2025-04-15 06:27:05 BlackGEM_Bot1
250834 2025-04-04 08:35:27 GOTO_bot G. Ramsay,D. O'Neill,K. Ackley et al. GOTO GOTO 12:33:20.834 +27:06:34.65 2025-04-04 01:01:31.008 17.66 L-GOTO Other GOTO25bny GOTO N
249803 2025-03-24 20:41:47 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 12:33:20.814 +27:06:34.44 2025-03-23 08:40:18.912 18.49 w-P1 PSN PS25auu Pan-STARRS N
249761 2025-03-24 19:10:10 YSE_Bot1 D. O. Jones (UC Santa Cruz),K. D. French (Carnegie,Illinois) et al. YSE Pan-STARRS 12:33:20.815 +27:06:34.35 2025-03-24 09:31:01.920 18.23 g-P1 PSN PS25auu Pan-STARRS N
249292 2025-03-22 16:50:09 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 12:33:20.840 +27:06:34.43 2025-03-22 11:12:50.400 18.555 orange-ATLAS PSN ATLAS25cxa ATLAS 2025TNSTR1082....1T N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
20917 2025-04-28 19:36:59 Ravjit Kaur Ravjit Kaur (UCSC), Kyle Davis (UCSC), Ryan Foley (UCSC) UCSC SN Ib 0.025 1 Add UCSC When the redshift is given to 2 decimal places, it is derived from the SN spectrum. Otherwise, the redshift is determined from the host galaxy. SN2025few was previously classified as "SN" by Desai (2025, TNSCR 1141). 2025TNSCR1573....1K
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
20917 2025-04-09 08:29:23 Lick-3m / KAST 1500 Ravjit Kaur Ravjit Kaur UCSC tns_2025few_2025-04-09_08-29-22.65_Lick-3m_KAST_UCSC.flm Object
20621 2025-03-25 00:12:25 Dhvanil Desai Dhvanil Desai (on behalf of the SCAT team) SCAT SN 0.025 1 Add SCAT Redshift from NED. 2025TNSCR1141....1D
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
20621 2025-03-24 09:02:32 UH88 / SNIFS 1800 Desai SCAT tns_2025few_2460758.87676_UH88_SNIFS_SCAT.dat Object

Comments

TNS
System

Mon, 03/24/2025 - 20:41

Object coordinates updated

Object coordinates updated according to AT-report 249803 of Group Pan-STARRS
Previous RA, DEC: 12:33:20.815, +27:06:34.35 (188.336729012, +27.1095417759)
Updated RA, DEC: 12:33:20.814, +27:06:34.44 (188.336724148, +27.10956636)

TNS
System

Mon, 03/24/2025 - 19:10

Object coordinates updated

Object coordinates updated according to AT-report 249761 of Group Pan-STARRS
Previous RA, DEC: 12:33:20.840, +27:06:34.43 (188.33683375, +27.109565)
Updated RA, DEC: 12:33:20.815, +27:06:34.35 (188.336729012, +27.1095417759)