RA/DEC (2000)
06:17:07.798 +55:57:07.15
94.2824935629 +55.9519857738
Type
SN Ia
Redshift
0.064
Discovery ReportClassification Report
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2025-10-18 08:15:55.995
TNS AT
Y
Public
Y
Discovery Mag
19.5922
Filter
g-ZTF
Reporter/s
Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (Caltech) on behalf of ZTF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025aaul - 2025-10-29 09:44:00 Lick-3m / KAST (UCSC)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

 ▌PS2_GPC2_r
 ▌GOTO-N_GOTO-1_L
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌ATLAS-MLO_ATLAS-01_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
22336 2025-10-29 09:44:00 Lick-3m / KAST Ravjit Kaur UCSC tns_2025aaul_2025-10-29_09-44-00_Lick-3m_KAST_UCSC.flm Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
r-P1 PS2_GPC2 2025-10-23 13:12:39 - 2025-10-23 13:12:39 2460972.05045 - 2460972.05045 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
526306 2025-10-23 13:12:39 2460972.05045 18.41 0.06 20.6 ABMag r-P1 PS2_GPC2 27 Robot
L-GOTO GOTO-N_GOTO-1 2025-02-26 01:06:54 - 2025-10-30 04:41:17 2460732.546455 - 2460978.695342 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
527774 2025-10-30 04:41:17 2460978.695342 18.22 0.03 ABMag L-GOTO GOTO-N_GOTO-1 360
527773 2025-02-26 01:06:54 2460732.546455 19.4 ABMag L-GOTO GOTO-N_GOTO-1 135 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-10-13 11:13:49 - 2025-10-18 10:55:09 2460961.9679282 - 2460966.9549653 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
524658 2025-10-18 10:55:09 2460966.9549653 19.3355 0.106382 ABMag r-ZTF P48_ZTF-Cam
524656 2025-10-13 11:13:49 2460961.9679282 21.0588 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-10-13 08:45:56 - 2025-10-18 08:15:56 2460961.8652315 - 2460966.8443981 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
524657 2025-10-18 08:15:56 2460966.8443981 19.5922 0.165082 ABMag g-ZTF P48_ZTF-Cam
527353 2025-10-18 08:15:56 2460966.8443981 19.5922 0.165082 20.2824 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
527352 2025-10-13 08:45:56 2460961.8652315 19.9864 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-10-15 13:34:05 - 2025-10-15 13:34:05 2460964.06534 - 2460964.06534 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
525577 2025-10-15 13:34:05 2460964.06534 19.4 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
cyan-ATLAS ATLAS-MLO_ATLAS-01 2025-10-21 12:35:57 - 2025-10-21 12:35:57 2460970.02497 - 2460970.02497 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
525578 2025-10-21 12:35:57 2460970.02497 18.904 0.138 19.39 ABMag cyan-ATLAS ATLAS-MLO_ATLAS-01 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
275210 2025-10-30 10:16:31 GOTO_bot G. Ramsay, D. O'Neill, K. Ackley et al. GOTO GOTO 06:17:07.832 +55:57:07.42 2025-10-30 04:41:17.376 18.22 L-GOTO Other GOTO25jhs GOTO N
275015 2025-10-27 19:15:35 Fink Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker Fink ZTF 06:17:07.806 +55:57:07.15 2025-10-18 08:15:55.996 19.5922 g-ZTF PSN ZTF25abxotzn ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25abxotzn N
274554 2025-10-23 16:35:45 YSE_Bot1 D. O. Jones (UC Santa Cruz), K. D. French (Carnegie, Illinois), A. Agnello et al. YSE Pan-STARRS 06:17:07.798 +55:57:07.15 2025-10-23 13:12:38.880 18.41 r-P1 PSN PS25ihd Pan-STARRS N
274229 2025-10-21 14:27:47 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 06:17:07.812 +55:57:07.50 2025-10-21 12:35:57.408 18.904 cyan-ATLAS PSN ATLAS25nbi ATLAS N
273801 2025-10-18 13:06:54 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 06:17:07.812 +55:57:07.17 2025-10-18 08:15:55.995 19.5922 g-ZTF PSN ZTF25abxotzn ZTF 2025TNSTR4178....1S N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
22336 2025-10-31 18:33:53 Ravjit Kaur Ravjit Kaur (UCSC), Ryan Foley (UCSC) UCSC SN Ia 0.064 1 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. We measure a Si II 6355 absorption velocity of -14,000 km/s. 2025TNSCR4389....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
22336 2025-10-29 09:44:00 Lick-3m / KAST Ravjit Kaur UCSC tns_2025aaul_2025-10-29_09-44-00_Lick-3m_KAST_UCSC.flm Object

Comments

TNS
System

Thu, 10/23/2025 - 16:35

Object coordinates updated

Object coordinates updated according to AT-report 274554 of Group Pan-STARRS
Previous RA, DEC: 06:17:07.812, +55:57:07.17 (94.2825516, +55.9519911)
Updated RA, DEC: 06:17:07.798, +55:57:07.15 (94.2824935629, +55.9519857738)