RA/DEC (2000)
13:16:50.879 -03:03:27.46
199.211995645 -3.05762662836
Type
SN Ia
Redshift
0.048
Discovery ReportClassification Report
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-02-19 14:30:08.928
TNS AT
Y
Public
Y
Discovery Mag
17.92
Filter
L-GOTO
Reporter/s
D. O'Neill, K. Ackley, M. Dyer, F. Jiménez-Ibarra, J. Lyman, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, P. O'Brien, G. Ramsay, K. Noysena, R. Kotak, R. Breton, L. Nuttall, E. Pallé, D. Pollacco, T. Killestein, A. Kumar, on behalf of GOTO collaboration
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025cac - 2025-02-25 10:04:53 P60 / SEDM (ZTF)z=
 ▌SN_2025cac - 2025-02-24 02:54:55 LT / SPRAT (OxQUB)z=
 ▌SN_2025cac - 2025-02-24 02:54:55 LT / SPRAT (OxQUB)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
z-step:   v-step: 
   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ▌GOTO-S_GOTO-3_L
 ▌ATLAS-CHL_ATLAS-04_orange
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌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
20463 2025-02-25 10:04:53 P60 / SEDM 2160 SEDmRobot auto ZTF tns_2025cac_2025-02-25_10-04-52.525643_P60_SEDM_ZTF.ascii Object
20466 2025-02-24 02:54:55 LT / SPRAT 1800 Robotic OxQUB tns_2025cac_2025-02-24_02-54-55.229_LT_SPRAT_OxQUB_0.txt Object
20465 2025-02-24 02:54:55 LT / SPRAT 1800 Robotic OxQUB tns_2025cac_2025-02-24_02-54-55.229_LT_SPRAT_OxQUB.txt Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2025-02-19 14:30:09 - 2025-02-19 14:30:09 2460726.104269 - 2460726.104269 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
469778 2025-02-19 14:30:09 2460726.104269 17.92 0.06 ABMag L-GOTO GOTO-S_GOTO-3 180
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-02-13 05:53:29 - 2025-02-13 05:53:29 2460719.74547 - 2460719.74547 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
470230 2025-02-13 05:53:29 2460719.74547 18.03 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
L-GOTO GOTO-N_GOTO-1 2025-02-13 02:17:36 - 2025-02-13 02:17:36 2460719.595561 - 2460719.595561 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
469777 2025-02-13 02:17:36 2460719.595561 18.7 ABMag L-GOTO GOTO-N_GOTO-1 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-02-19 11:26:25 - 2025-02-19 11:26:25 2460725.9766782 - 2460725.9766782 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
469928 2025-02-19 11:26:25 2460725.9766782 18.0012 0.048891 20.0813 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
g-ZTF P48_ZTF-Cam 2025-02-09 12:39:12 - 2025-02-09 12:39:12 2460716.0272222 - 2460716.0272222 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
469927 2025-02-09 12:39:12 2460716.0272222 17.9791 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-02-20 12:01:35 - 2025-02-20 12:01:35 2460727.0011 - 2460727.0011 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
470231 2025-02-20 12:01:35 2460727.0011 17.86 0.064 19.33 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
w-P1 PS1_GPC1 2025-02-22 14:44:26 - 2025-02-22 14:44:26 2460729.11419 - 2460729.11419 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
487011 2025-02-22 14:44:26 2460729.11419 17.74 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
254316 2025-05-06 22:29:35 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 13:16:50.879 -03:03:27.46 2025-02-22 14:44:26.016 17.74 w-P1 PSN PS25ckj Pan-STARRS N
245229 2025-02-20 16:51:31 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 13:16:50.879 -03:03:27.55 2025-02-20 12:01:35.040 17.86 orange-ATLAS PSN ATLAS25bum ATLAS N
245104 2025-02-20 03:03:03 ALeRCE S. Jurado, F.E. Bauer, F. Forster et al. ALeRCE ZTF 13:16:50.879 -03:03:27.45 2025-02-19 11:26:24.996 18.0012 r-ZTF PSN Z 16-38 ZTF25aagbkaj ZTF Early SN candidate (r-rise > 0.15+-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/ZTF25aagbkaj N
245035 2025-02-19 14:57:29 GOTO_bot D. O'Neill, K. Ackley, M. Dyer et al. GOTO GOTO 13:16:50.884 -03:03:27.77 2025-02-19 14:30:08.928 17.92 L-GOTO Other GOTO25ama GOTO 2025TNSTR.672....1O N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
20466 2025-02-25 14:54:16 Shubham Srivastav S. Srivastav (Oxford), M. Fulton, M. Nicholl, C. R. Angus, K. W. Smith, D. R. Young, A. Aamer, D. Magill, T. Moore, X. Sheng, S. A. Sim (QUB), S. J. Smartt (Oxford/QUB), J. H. Gillanders, H. F. Stevance (Oxford), T.-W. Chen (NCU) OxQUB SN Ia 0.048 1 OxQUB Host galaxy redshift z = 0.04768 (SDSS) 2025TNSCR.784....1S
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
20466 2025-02-24 02:54:55 LT / SPRAT 1800 Robotic OxQUB tns_2025cac_2025-02-24_02-54-55.229_LT_SPRAT_OxQUB_0.txt Object
20465 2025-02-25 14:51:17 Shubham Srivastav S. Srivastav (Oxford), M. Fulton, M. Nicholl, C. R. Angus, K. W. Smith, D. R. Young, A. Aamer, D. Magill, T. Moore, X. Sheng, S. A. Sim (QUB), S. J. Smartt (Oxford/QUB), J. H. Gillanders, H. F. Stevance (Oxford), T.-W. Chen (NCU) OxQUB SN Ia 1 OxQUB Several matches to normal SNe Ia around maximum. Classification as SN Ia consistent with the SEDM spectrum from ZTF, updated the object z to match the SDSS redshift of the host galaxy. 2025TNSCR.784....1S
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
20465 2025-02-24 02:54:55 LT / SPRAT 1800 Robotic OxQUB tns_2025cac_2025-02-24_02-54-55.229_LT_SPRAT_OxQUB.txt Object
20463 2025-02-25 10:48:16 ZTF_Bot1 C. Fremling, D. Neill, Y. Sharma on behalf of the SEDM Team (Caltech) and the Zwicky Transient Facility (ZTF) based on SNIascore ZTF SN Ia 0.049 1 ZTF 2025TNSCR.786....1F
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
20463 2025-02-25 10:04:53 P60 / SEDM 2160 SEDmRobot auto ZTF tns_2025cac_2025-02-25_10-04-52.525643_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Tue, 05/06/2025 - 22:29

Object coordinates updated

Object coordinates updated according to AT-report 254316 of Group Pan-STARRS
Previous RA, DEC: 13:16:50.879, -03:03:27.45 (199.2119969, -3.0576257)
Updated RA, DEC: 13:16:50.879, -03:03:27.46 (199.211995645, -3.05762662836)

TNS
System

Thu, 02/20/2025 - 03:03

Object coordinates updated

Object coordinates updated according to AT-report 245104 of Group ZTF
Previous RA, DEC: 13:16:50.884, -03:03:27.77 (199.212018, -3.057713)
Updated RA, DEC: 13:16:50.879, -03:03:27.45 (199.2119969, -3.0576257)