RA/DEC (2000)
03:06:55.628 -11:58:55.51
46.7317828801 -11.982086061
Type
SN Ia
Redshift
0.01346
Reporting Group
GOTO
Discovering Data Source
GOTO
Discovery Date
2025-10-25 13:01:50.016
TNS AT
Y
Public
Y
Discovery Mag
18.62
Filter
L-GOTO
Reporter/s
D. O'Neill, K. Ackley, M. Dyer, J. Lyman, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, P. O'Brien, G. Ramsay, K. Noysena, R. Kotak, R. Breton, J. Casares, L. Nuttall, B. Godson, T. Killestein, A. Kumar, M. Pursiainen, on behalf of GOTO collaboration

Spectra

 SN_2025abov - 2025-11-07 04:34:03 P60 / SEDM (ZTF)z=
 SN_2025abov - 2025-10-27 03:31:05 LT / SPRAT (GOTO)z=
 SN_2025abov - 2025-10-27 01:03:36 NOT / ALFOSC (NUTS2)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
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Show N II at z=vexp= km/s
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Show N IV at z=vexp= km/s
Show N V at z=vexp= km/s
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Show [O I] at z=vexp= km/s
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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
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Show Å at z=vexp= km/s
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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

 GOTO-S_GOTO-3_L
 PS2_GPC2_w
 ATLAS-CHL_ATLAS-04_orange
 ATLAS-STH_ATLAS-03_cyan
 P48_ZTF-Cam_r
 P48_ZTF-Cam_g
   
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
22366 2025-11-07 04:34:03 P60 / SEDM 2160 SEDmRobot auto ZTF tns_2025abov_2025-11-07_04-34-02.991231_P60_SEDM_ZTF.ascii Object
22300 2025-10-27 03:31:05 LT / SPRAT rOBOTIC GOTO tns_2025abov_2025-10-27_03-31-04.944_LT_SPRAT_GOTO.dat Object
22297 2025-10-27 01:03:36 NOT / ALFOSC 1800 L.Fuglsang P. Charalampopoulos NUTS2 tns_2025abov_2025-10-27_01-03-35.908_NOT_ALFOSC_NUTS2.dat tns_2025abov_2025-10-27_01-03-35.908_NOT_ALFOSC_NUTS2.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-S_GOTO-3 2025-10-23 14:14:19 - 2025-10-25 13:01:50 2460972.093278 - 2460974.042944 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
526829 2025-10-25 13:01:50 2460974.042944 18.62 0.06 ABMag L-GOTO GOTO-S_GOTO-3 180
526828 2025-10-23 14:14:19 2460972.093278 20.1 ABMag L-GOTO GOTO-S_GOTO-3 180 [Last non detection]
w-P1 PS2_GPC2 2025-11-26 10:03:22 - 2025-11-26 10:03:22 2461005.919 - 2461005.919 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
545076 2025-11-26 10:03:22 2461005.919 15.85 0 22 ABMag w-P1 PS2_GPC2 45 Robot
orange-ATLAS ATLAS-CHL_ATLAS-04 2025-10-27 03:12:16 - 2025-10-27 03:12:16 2460975.63352 - 2460975.63352 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
527370 2025-10-27 03:12:16 2460975.63352 17.5 0.14 17.46 ABMag orange-ATLAS ATLAS-CHL_ATLAS-04 30 Robot
cyan-ATLAS ATLAS-STH_ATLAS-03 2025-10-25 00:43:44 - 2025-10-25 00:43:44 2460973.53037 - 2460973.53037 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
527369 2025-10-25 00:43:44 2460973.53037 19.59 ABMag cyan-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
r-ZTF P48_ZTF-Cam 2025-10-03 10:35:36 - 2025-10-31 07:30:14 2460951.9413889 - 2460979.812662 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
529319 2025-10-31 07:30:14 2460979.812662 15.7607 0.0426557 ABMag r-ZTF P48_ZTF-Cam
529318 2025-10-03 10:35:36 2460951.9413889 20.6706 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-11-06 05:54:18 - 2025-11-06 05:54:18 2460985.7460417 - 2460985.7460417 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
529320 2025-11-06 05:54:18 2460985.7460417 15.1307 0.019482 ABMag g-ZTF P48_ZTF-Cam
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
283899 2025-12-30 10:58:00 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 03:06:55.628 -11:58:55.51 2025-11-26 10:03:21.600 15.85 w-P1 PSN PS25khu Pan-STARRS N
275907 2025-11-06 08:35:17 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 03:06:55.618 -11:58:55.52 2025-10-31 07:30:13.996 15.7607 r-ZTF PSN ZTF25acbsugc ZTF N
275024 2025-10-28 00:08:12 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 03:06:55.615 -11:58:55.23 2025-10-27 03:12:16.128 17.5 orange-ATLAS PSN ATLAS25njr ATLAS N
274785 2025-10-25 13:18:25 GOTO_bot D. O'Neill,K. Ackley,M. Dyer et al. GOTO GOTO 03:06:55.620 -11:58:55.75 2025-10-25 13:01:50.016 18.62 L-GOTO Other GOTO25jfk GOTO 2025TNSTR4285....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
22365 2025-11-07 05:17:59 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 0.01346 1 ZTF 2025TNSCR4470....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
22366 2025-11-07 04:34:03 P60 / SEDM 2160 SEDmRobot auto ZTF tns_2025abov_2025-11-07_04-34-02.991231_P60_SEDM_ZTF.ascii Object
22300 2025-10-27 09:24:03 Miika Pursiainen M. Pursiainen, D. O'Neill, B. Godson, K. Ackley, M. J. Dyer, J. Lyman, K. Ulaczyk, S. Belkin, D. Steeghs, D. K. Galloway, V. Dhillon, P. O'Brien, G. Ramsay, K. Noysena, R. Kotak, R. P. Breton, L. K. Nuttall, D. Pollacco, J. Casares Vel'azquez, T. Killestein, A. Kumar, on behalf of GOTO collaboration GOTO SN Ia 0.013 1 GOTO Good template matches to young Type Ia SNe at the known redshfit of the host galaxy (z=0.013, NED) 2025TNSCR4323....1P
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
22300 2025-10-27 03:31:05 LT / SPRAT rOBOTIC GOTO tns_2025abov_2025-10-27_03-31-04.944_LT_SPRAT_GOTO.dat Object
22297 2025-10-27 09:12:52 Maximilian Stritzinger P. Charalampopoulos (Turku), M. Stritzinger (Aarhus), K. Medler (Hawaii), N. Morrell (LCO), C. Burns (Carnegie) NUTS2 SN Ia 0.013 1 NUTS2, POISE Pre-maximum type Ia supernovae. 2025TNSCR4324....1C
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
22297 2025-10-27 01:03:36 NOT / ALFOSC 1800 L.Fuglsang P. Charalampopoulos NUTS2 tns_2025abov_2025-10-27_01-03-35.908_NOT_ALFOSC_NUTS2.dat tns_2025abov_2025-10-27_01-03-35.908_NOT_ALFOSC_NUTS2.fits Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 283899 of Group Pan-STARRS
Previous RA, DEC: 03:06:55.618, -11:58:55.52 (46.7317428, -11.9820882)
Updated RA, DEC: 03:06:55.628, -11:58:55.51 (46.7317828801, -11.982086061)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 275907 of Group ZTF
Previous RA, DEC: 03:06:55.615, -11:58:55.23 (46.7317282353, -11.9820070588)
Updated RA, DEC: 03:06:55.618, -11:58:55.52 (46.7317428, -11.9820882)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 275024 of Group ATLAS
Previous RA, DEC: 03:06:55.620, -11:58:55.75 (46.731749, -11.982154)
Updated RA, DEC: 03:06:55.615, -11:58:55.23 (46.7317282353, -11.9820070588)