RA/DEC (2000)
15:45:26.297 +06:58:31.72
236.35956983 +6.97547900409
Type
SN Ia
Redshift
0.082
Discovery ReportClassification Report
Related AstroNotes: 2025-151
Reporting Group
SGLF
Discovering Data Source
ZTF
Discovery Date
2025-05-15 08:28:53.000
TNS AT
Y
Public
Y
Host Name
SDSS J154526.26+065832.3
Host Redshift
0.0822003
Discovery Mag
19.301
Filter
g-ZTF
Reporter/s
I. Pérez-Fournon (IAC and ULL), D. Cano-Morales, I. Correa-Plasencia, A.E. Hernández-Díaz, C. Jaén-Martín (ULL), F. Poidevin (IAC and ULL), C. Jiménez Ángel (GRANTECAN), Z. Delgado-González (ULL), R. Shirley (MPE), R. Marques-Chaves (Univ. of Geneva), and S. Geier (GRANTECAN & IAC) on behalf of SGLF
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025klo - 2025-05-21 06:13:59 ESO-NTT / EFOSC2-NTT (ePESSTO+)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
 ▌PS2_GPC2_w
 ▌ATLAS-STH_ATLAS-03_orange
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_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
21087 2025-05-21 06:13:59 ESO-NTT / EFOSC2-NTT 900 Callum Francis Aster, Stefano Pio Cosentino Amar Aryan, Ting-Wan Chen, Yu-Hsing Lee, Meng-Han Lee, Miftahul Ma'arif, Yusin Chen ePESSTO+ tns_2025klo_2025-05-21_06-13-59_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025klo_2025-05-21_06-13-59_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- LAST_LAST-Cam 2025-05-03 23:15:23 - 2025-05-20 18:29:22 2460799.46902 - 2460816.27039 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
489327 2025-05-20 18:29:22 2460816.27039 19.1 ABMag Clear- LAST_LAST-Cam 400
489326 2025-05-03 23:15:23 2460799.46902 21 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
w-P1 PS2_GPC2 2025-05-27 07:43:19 - 2025-05-27 07:43:19 2460822.82175 - 2460822.82175 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
495237 2025-05-27 07:43:19 2460822.82175 18.81 0.03 22 ABMag w-P1 PS2_GPC2 45 Robot
orange-ATLAS ATLAS-STH_ATLAS-03 2025-05-18 01:02:22 - 2025-05-18 01:02:22 2460813.54331 - 2460813.54331 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
489106 2025-05-18 01:02:22 2460813.54331 18.59 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot [Last non detection]
g-ZTF P48_ZTF-Cam 2025-05-11 10:16:05 - 2025-05-15 08:28:53 2460806.9278356 - 2460810.8533912 4
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
488399 2025-05-15 08:28:53 2460810.8533912 19.301 0.165 ABMag g-ZTF P48_ZTF-Cam 30 ZTFbot
492299 2025-05-15 08:28:53 2460810.8533912 19.3009 0.164889 19.5164 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
492298 2025-05-11 10:16:06 2460806.9278472 16.9781 ABMag g-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
488398 2025-05-11 10:16:05 2460806.9278356 16.978 ABMag g-ZTF P48_ZTF-Cam 30 ZTFbot [Last non detection]
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-05-19 11:40:26 - 2025-05-19 11:40:26 2460814.98641 - 2460814.98641 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
489107 2025-05-19 11:40:26 2460814.98641 18.952 0.18 19.21 ABMag orange-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
258601 2025-06-14 20:44:13 PS1_Bot1 K. C. Chambers,T. de Boer,J. Fairlamb et al. Pan-STARRS Pan-STARRS 15:45:26.297 +06:58:31.72 2025-05-27 07:43:19.200 18.81 w-P1 PSN PS25dki Pan-STARRS N
257083 2025-05-28 18:16:51 Fink Julien Peloton,Anais Moller,Emille E. O. Ishida on behalf of the Fink broker et al. Fink ZTF 15:45:26.301 +06:58:31.66 2025-05-15 08:28:53.000 19.3009 g-ZTF PSN ZTF25aaqgorp ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25aaqgorp N
255594 2025-05-20 19:59:04 LAST_Bot1 R. Konno (WIS),E. A. Zimmerman (WIS),A. Horowicz (WIS) et al. LAST LAST 15:45:26.322 +06:58:31.85 2025-05-20 18:29:21.696 19.1 Clear- PSN LAST N
255469 2025-05-19 18:37:42 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 15:45:26.284 +06:58:32.49 2025-05-19 11:40:25.824 18.952 orange-ATLAS PSN ATLAS25fcq ATLAS N
255087 2025-05-15 17:38:00 Ismael Perez-Fournon I. Pérez-Fournon (IAC and ULL),D. Cano-Morales,I. Correa-Plasencia et al. SGLF ZTF 15:45:26.308 +06:58:31.74 2025-05-15 08:28:53.000 19.301 g-ZTF PSN SDSS J154526.26+065832.3 ZTF25aaqgorp ZTF SN candidate discovered using the public ZTF alerts, the LSST/ZTF brokers, and our SGLF filters. ZTF light curve available at the LSST/ZTF brokers, e.g.: https://lasair-ztf.lsst.ac.uk/objects/ZTF25aaqgorp https://alerce.online/object/ZTF25aaqgorp https://antares.noirlab.edu/loci/ANT2025s6k0xv3t86wa 2025TNSTR1793....1P N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
21087 2025-05-21 15:59:47 ePESSTOplus_Bot1 Callum Francis Aster, Stefano Pio Cosentino, Amar Aryan, Ting-Wan Chen, Yu-Hsing Lee, Meng-Han Lee, Miftahul Ma'arif, Yusin Chen, Ofer Yaron on behalf of ePESSTO+ ePESSTO+ SN Ia 0.082 1 ePESSTO+ 2025TNSCR1879....1A
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
21087 2025-05-21 06:13:59 ESO-NTT / EFOSC2-NTT 900 Callum Francis Aster, Stefano Pio Cosentino Amar Aryan, Ting-Wan Chen, Yu-Hsing Lee, Meng-Han Lee, Miftahul Ma'arif, Yusin Chen ePESSTO+ tns_2025klo_2025-05-21_06-13-59_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci tns_2025klo_2025-05-21_06-13-59_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits Object

Comments

TNS
System

Sat, 06/14/2025 - 20:44

Object coordinates updated

Object coordinates updated according to AT-report 258601 of Group Pan-STARRS
Previous RA, DEC: 15:45:26.301, +06:58:31.66 (236.3595889, +6.9754613)
Updated RA, DEC: 15:45:26.297, +06:58:31.72 (236.35956983, +6.97547900409)

TNS
System

Wed, 05/28/2025 - 18:16

Object coordinates updated

Object coordinates updated according to AT-report 257083 of Group ZTF
Previous RA, DEC: 15:45:26.308, +06:58:31.74 (236.359617, +6.975483)
Updated RA, DEC: 15:45:26.301, +06:58:31.66 (236.3595889, +6.9754613)