RA/DEC (2000)
16:42:11.463 +55:31:02.44
250.54776253 +55.5173448687
Type
SN
Redshift
Related AstroNotes: 2025-201
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-05-28 10:17:32.640
TNS AT
Y
Public
Y
Discovery Mag
19.136
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)

Spectra

 SN_2025mkn - 2025-05-30 12:09:34 UH88 / SNIFS (SCAT)z=
Show H at z=vexp= km/s
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Show N II at z=vexp= km/s
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Show [O I] at z=vexp= km/s
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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
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Show [Ca II] at z=vexp= km/s
Show Fe II at z=vexp= km/s
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Show Tellurics 
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   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),

Light curves

 PS2_GPC2_r
 P48_ZTF-Cam_r
 P48_ZTF-Cam_g
 ATLAS-MLO_ATLAS-01_orange
 ATLAS-HKO_ATLAS-02_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
21253 2025-05-30 12:09:34 UH88 / SNIFS 1800 Hinkle SCAT tns_2025mkn_2025-05-30_12-09-34_UH88_SNIFS_SCAT.dat Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
r-P1 PS2_GPC2 2025-05-27 09:39:14 - 2025-05-27 09:39:14 2460822.90225 - 2460822.90225 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
500837 2025-05-27 09:39:14 2460822.90225 20 0.06 20.6 ABMag r-P1 PS2_GPC2 27 Robot
r-ZTF P48_ZTF-Cam 2025-05-25 07:11:15 - 2025-05-29 07:51:27 2460820.7994792 - 2460824.8273958 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
492537 2025-05-29 07:51:27 2460824.8273958 19.459 0.118193 ABMag r-ZTF P48_ZTF-Cam
492535 2025-05-25 07:11:15 2460820.7994792 19.9106 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-05-25 08:46:27 - 2025-05-25 08:46:27 2460820.8655903 - 2460820.8655903 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
492536 2025-05-25 08:46:27 2460820.8655903 20.8093 0.253028 ABMag g-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-05-26 10:18:04 - 2025-05-26 10:18:04 2460821.92921 - 2460821.92921 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
492481 2025-05-26 10:18:04 2460821.92921 19.51 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
cyan-ATLAS ATLAS-HKO_ATLAS-02 2025-05-28 10:17:33 - 2025-05-28 10:17:33 2460823.92885 - 2460823.92885 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
492482 2025-05-28 10:17:33 2460823.92885 19.136 0.154 19.53 ABMag cyan-ATLAS ATLAS-HKO_ATLAS-02 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
261522 2025-07-04 15:04:55 YSE_Bot1 D. O. Jones (UC Santa Cruz), K. D. French (Carnegie, Illinois), A. Agnello et al. YSE Pan-STARRS 16:42:11.463 +55:31:02.44 2025-05-27 09:39:14.400 20 r-P1 PSN PS25eme Pan-STARRS N
257220 2025-05-29 12:22:09 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 16:42:11.494 +55:31:02.28 2025-05-25 08:46:27.001 20.8093 g-ZTF PSN ZTF25aasjeza ZTF N
257195 2025-05-29 04:29:16 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 16:42:11.543 +55:31:02.83 2025-05-28 10:17:32.640 19.136 cyan-ATLAS PSN ATLAS25frs ATLAS 2025TNSTR2014....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
21253 2025-06-07 10:07:45 Jason Hinkle Jason Hinkle (UH/IfA) on behalf of SCAT SCAT SN 1 SCAT 2025TNSCR2137....1H
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
21253 2025-05-30 12:09:34 UH88 / SNIFS 1800 Hinkle SCAT tns_2025mkn_2025-05-30_12-09-34_UH88_SNIFS_SCAT.dat Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 261522 of Group Pan-STARRS
Previous RA, DEC: 16:42:11.494, +55:31:02.28 (250.5478916, +55.5173005)
Updated RA, DEC: 16:42:11.463, +55:31:02.44 (250.54776253, +55.5173448687)

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 257220 of Group ZTF
Previous RA, DEC: 16:42:11.543, +55:31:02.83 (250.548095, +55.5174525)
Updated RA, DEC: 16:42:11.494, +55:31:02.28 (250.5478916, +55.5173005)