RA/DEC (2000)
11:06:24.930 +45:30:45.28
166.603873243 +45.5125784231
Type
SN Ia-91bg-like
Redshift
0.064
Discovery ReportClassification Report
Related AstroNotes: 2026-218
Reporting Group
YSE
Discovering Data Source
Pan-STARRS
Discovery Date
2025-04-26 08:47:53.376
TNS AT
Y
Public
Y
Discovery Mag
19.92
Filter
i-P1
Reporter/s
D. O. Jones (UC Santa Cruz), K. D. French (Carnegie, Illinois), A. Agnello, Z. Ansari, N. Arendse, C. Gall, C. Grillo, S. H. Bruun, C. Hede, J. Hjorth, L. Izzo, H. Korhonen, S. Raimundo, D. Kodi Ramanah, A. Sarangi, R. Wojtak, H. Pfister (DARK, U Copenhagen), K. Auchettl (DARK, UC Santa Cruz, U Melbourne), K. C. Chambers, M. E. Huber, E. A. Magnier, T. J. L. de Boer, J. R. Fairlamb, C. C. Lin, R. J. Wainscoat, T. Lowe, G. Paek, A. S. B. Schultz, P. Minguez (IfA, Hawaii), A. Engel, A. Gagliano, G. Narayan, M. Soraisam (Illinois), Q. Wang (JHU), A. Rest (JHU, STScI), S. J. Smartt, K. W. Smith (Oxford / QUB), C. R. Angus (QUB), K. Alexander, P. Blanchard, L. DeMarchi, A. Hajela, W. Jacobson-Galan, R. Margutti, D. Matthews, C. Stauffer, M. Stroh (Northwestern), M. Drout (U Toronto), D. A. Coulter, G. Dimitriadis, R. J. Foley, T. Hung, C. D. Kilpatrick, C. Rojas-Bravo, M. R. Siebert (UC Santa Cruz), E. Ramirez-Ruiz (UC Santa Cruz, DARK)
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025imm - 2025-05-06 06:33:57 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
z-step:   v-step: 
   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ▌LAST_LAST-Cam_Clear
 ▌PS2_GPC2_i
 ▌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
20984 2025-05-06 06:33:57 Lick-3m / KAST 3600 Kyle Davis (UCSC) Kyle Davis (UCSC) UCSC tns_2025imm_2025-05-06_06-33-57.25_Lick-3m_KAST_UCSC.flm Object We note an error in our quick-look spectral reduction, where our wavelength solutions blueward of 5500 A may be incorrect by up to 20 A. This error also creates an artifact at ~5500 A where the blue and red channels are combined.
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- LAST_LAST-Cam 2025-04-29 17:13:02 - 2025-04-29 19:20:17 2460795.21738 - 2460795.30575 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
484794 2025-04-29 19:20:17 2460795.30575 19.78 ABMag Clear- LAST_LAST-Cam 400
484793 2025-04-29 17:13:02 2460795.21738 20.61 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
i-P1 PS2_GPC2 2025-04-26 08:47:53 - 2025-04-26 08:47:53 2460791.86659 - 2460791.86659 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
484443 2025-04-26 08:47:53 2460791.86659 19.92 0.1 20.7 ABMag i-P1 PS2_GPC2 27 Robot
w-P1 PS1_GPC1 2025-05-04 06:24:26 - 2025-05-04 06:24:26 2460799.76697 - 2460799.76697 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
495153 2025-05-04 06:24:26 2460799.76697 19.88 0.1 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
258518 2025-06-14 19:44:10 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 11:06:24.930 +45:30:45.28 2025-05-04 06:24:26.208 19.88 w-P1 PSN PS25bss Pan-STARRS N
253020 2025-04-29 20:03:38 LAST_Bot1 R. Konno (WIS), E. A. Zimmerman (WIS), A. Horowicz (WIS) et al. LAST LAST 11:06:24.930 +45:30:45.18 2025-04-29 19:20:16.800 19.78 Clear- PSN LAST N
252803 2025-04-27 15:18:55 YSE_Bot1 D. O. Jones (UC Santa Cruz), K. D. French (Carnegie, Illinois), A. Agnello et al. YSE Pan-STARRS 11:06:24.930 +45:30:45.25 2025-04-26 08:47:53.376 19.92 i-P1 PSN PS25bss Pan-STARRS 2025TNSTR1557....1J N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
20984 2025-05-07 00:47:16 Kyle Davis Kyle Davis (UCSC), Ryan Foley (UCSC) UCSC SN Ia-91bg-like 0.064 1 UCSC 2025TNSCR1704....1D
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
20984 2025-05-06 06:33:57 Lick-3m / KAST 3600 Kyle Davis (UCSC) Kyle Davis (UCSC) UCSC tns_2025imm_2025-05-06_06-33-57.25_Lick-3m_KAST_UCSC.flm Object We note an error in our quick-look spectral reduction, where our wavelength solutions blueward of 5500 A may be incorrect by up to 20 A. This error also creates an artifact at ~5500 A where the blue and red channels are combined.

Comments

TNS
System

Sat, 06/14/2025 - 19:44

Object coordinates updated

Object coordinates updated according to AT-report 258518 of Group Pan-STARRS
Previous RA, DEC: 11:06:24.930, +45:30:45.25 (166.603874435, +45.5125706172)
Updated RA, DEC: 11:06:24.930, +45:30:45.28 (166.603873243, +45.5125784231)