RA/DEC (2000)
13:54:34.941 +38:26:52.08
208.6455879 +38.4478009
Type
SN IIb
Redshift
0.019
Discovery ReportClassification Report
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-04-27 10:09:46.080
TNS AT
Y
Public
Y
Discovery Mag
19.195
Filter
cyan-ATLAS
Reporter/s
J. Tonry, L. Denneau, H. Weiland, R. Siverd (IfA, University of Hawaii), N. Erasmus, W. Koorts (South African Astronomical Observatory), A. Jordan, V. Suc (UAI, Obstech), S. J. Smartt, K. W. Smith (Oxford/QUB), D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng, C. R. Angus, A. Wilson, A. Aamer, D. Magill (QUB), P. Ramsden (Birmingham/QUB), L. Shingles (GSI/QUB), S. Srivastav, J. H. Gillanders, H. Stevance, A. J. Cooper, F. Stoppa, J. Tweddle (Oxford), L. Rhodes (TSI/McGill), A. Rest (STScI), T.-W. Chen (NCU), C. Stubbs (Harvard), J. S. Sommer (LMU), B. P. Schmidt (ANU)
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025ino - 2025-05-08 02:50:18 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
   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_cyan
 ▌ATLAS-HKO_ATLAS-02_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
20997 2025-05-08 02:50:18 LT / SPRAT 1800 Robotic OxQUB tns_2025ino_2025-05-08_02-50-17.789_LT_SPRAT_OxQUB.txt Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
r-ZTF P48_ZTF-Cam 2025-05-09 05:45:00 - 2025-05-09 05:45:00 2460804.7395833 - 2460804.7395833 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
487560 2025-05-09 05:45:00 2460804.7395833 20.0879 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-05-09 10:20:41 - 2025-05-09 10:20:41 2460804.9310301 - 2460804.9310301 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
487561 2025-05-09 10:20:41 2460804.9310301 18.1325 0.0763638 ABMag g-ZTF P48_ZTF-Cam
cyan-ATLAS ATLAS-MLO_ATLAS-01 2025-04-27 10:09:46 - 2025-04-27 10:09:46 2460792.92345 - 2460792.92345 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
484581 2025-04-27 10:09:46 2460792.92345 19.195 0.189 19.59 ABMag cyan-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
orange-ATLAS ATLAS-HKO_ATLAS-02 2025-04-26 11:56:12 - 2025-04-26 11:56:12 2460791.99736 - 2460791.99736 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
484580 2025-04-26 11:56:12 2460791.99736 19.43 ABMag orange-ATLAS ATLAS-HKO_ATLAS-02 30 Robot [Last non detection]
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
254630 2025-05-09 12:00:56 Fritz Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al. ZTF ZTF 13:54:34.941 +38:26:52.08 2025-05-09 10:20:41.000 18.1325 g-ZTF PSN ZTF25aaprfzh ZTF N
252871 2025-04-28 16:46:28 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 13:54:34.938 +38:26:52.06 2025-04-27 10:09:46.080 19.195 cyan-ATLAS PSN ATLAS25eke ATLAS 2025TNSTR1561....1T N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
20997 2025-05-08 14:02:43 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 IIb 0.019 1 1 OxQUB Matches with several IIb SNe, although no obvious evidence of a shock cooling tail in ATLAS light curve. Known host galaxy redshift from NED. 2025TNSCR1721....1S
Related files
File Comments Last Modified (UT) Modified By
tns_2025ino_atrep_20997_OxQUB.png NGSF match 2025-05-08 14:02:43 Shubham Srivastav
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
20997 2025-05-08 02:50:18 LT / SPRAT 1800 Robotic OxQUB tns_2025ino_2025-05-08_02-50-17.789_LT_SPRAT_OxQUB.txt Object

Comments

TNS
System

Fri, 05/09/2025 - 12:00

Object coordinates updated

Object coordinates updated according to AT-report 254630 of Group ZTF
Previous RA, DEC: 13:54:34.938, +38:26:52.06 (208.64557625, +38.447795)
Updated RA, DEC: 13:54:34.941, +38:26:52.08 (208.6455879, +38.4478009)