RA/DEC (2000)
11:05:38.697 +50:20:53.03
166.411238853 +50.3480630463
Type
SN Ia
Redshift
0.06939
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-02-19 11:56:38.688
TNS AT
Y
Public
Y
Discovery Mag
18.765
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 (Oxford), L. Rhodes (TSI/McGill), A. Rest (STScI), T.-W. Chen (NCU), C. Stubbs (Harvard), J. S. Sommer (LMU), B. P. Schmidt (ANU)

Spectra

 SN_2025ccu - 2025-02-21 11:54:52 UH88 / SNIFS (SCAT)z=
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 PS2_GPC2_w
 GOTO-N_GOTO-1_L
 P48_ZTF-Cam_r
 P48_ZTF-Cam_g
 ATLAS-MLO_ATLAS-01_orange
 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
20424 2025-02-21 11:54:52 UH88 / SNIFS 1800 Hinkle SCAT tns_2025ccu_2025-02-21_11-54-52_UH88_SNIFS_SCAT.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
w-P1 PS2_GPC2 2025-02-20 11:30:02 - 2025-02-20 11:30:02 2460726.97919 - 2460726.97919 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
486977 2025-02-20 11:30:02 2460726.97919 18.63 0.02 22 ABMag w-P1 PS2_GPC2 45 Robot
L-GOTO GOTO-N_GOTO-1 2025-01-25 04:13:57 - 2025-03-22 00:18:03 2460700.67635 - 2460756.512534 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
477613 2025-03-22 00:18:03 2460756.512534 19.11 0.09 ABMag L-GOTO GOTO-N_GOTO-1 360
477612 2025-01-25 04:13:57 2460700.67635 19.6 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-02-20 07:49:37 - 2025-02-20 07:49:37 2460726.8261227 - 2460726.8261227 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
470316 2025-02-20 07:49:37 2460726.8261227 20.6002 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
g-ZTF P48_ZTF-Cam 2025-02-20 08:50:22 - 2025-02-20 08:50:22 2460726.8683102 - 2460726.8683102 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
470317 2025-02-20 08:50:22 2460726.8683102 18.5154 0.0691483 20.6865 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-02-19 11:56:39 - 2025-02-19 11:56:39 2460725.99767 - 2460725.99767 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
470035 2025-02-19 11:56:39 2460725.99767 18.765 0.172 19.25 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-02-17 11:19:01 - 2025-02-17 11:19:01 2460723.97154 - 2460723.97154 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
470034 2025-02-17 11:19:01 2460723.97154 19.3 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
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
254291 2025-05-06 15:46:01 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 11:05:38.697 +50:20:53.03 2025-02-20 11:30:02.016 18.63 w-P1 PSN PS25cju Pan-STARRS N
249221 2025-03-22 07:34:48 GOTO_bot D. O'Neill,G. Ramsay,K. Ackley et al. GOTO GOTO 11:05:38.710 +50:20:53.10 2025-03-22 00:18:02.592 19.11 L-GOTO Other GOTO25bfo GOTO N
245266 2025-02-21 00:46:11 ALeRCE S. Jurado,F.E. Bauer,F. Forster et al. ALeRCE ZTF 11:05:38.691 +50:20:53.09 2025-02-20 08:50:22.001 18.5154 g-ZTF PSN SDSS J110538.06+502101.4 ZTF25aafszil ZTF Early SN candidate (g-rise > 0.06+-0.00 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/ZTF25aafszil N
245150 2025-02-20 05:47:31 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 11:05:38.737 +50:20:53.16 2025-02-19 11:56:38.688 18.765 orange-ATLAS PSN ATLAS25bti ATLAS 2025TNSTR.689....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
20424 2025-02-21 12:44:01 Jason Hinkle Jason Hinkle (UH/IfA) on behalf of SCAT SCAT SN Ia 0.06939 1 SCAT SN Ia before maximum light. The redshift is from the archival SDSS host spectrum. Cross-correlation with SNID (Blondin & Tonry 2007) gives matches to normal SNe Ia at this redshift. 2025TNSCR.711....1H
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
20424 2025-02-21 11:54:52 UH88 / SNIFS 1800 Hinkle SCAT tns_2025ccu_2025-02-21_11-54-52_UH88_SNIFS_SCAT.dat Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 254291 of Group Pan-STARRS
Previous RA, DEC: 11:05:38.691, +50:20:53.09 (166.4112127, +50.3480812)
Updated RA, DEC: 11:05:38.697, +50:20:53.03 (166.411238853, +50.3480630463)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 245266 of Group ZTF
Previous RA, DEC: 11:05:38.737, +50:20:53.16 (166.4114025, +50.3481)
Updated RA, DEC: 11:05:38.691, +50:20:53.09 (166.4112127, 50.3480812)