RA/DEC (2000)
22:08:44.863 -27:51:12.92
332.186927145 -27.8535876162
Type
SN II
Redshift
0.016201
Discovery ReportClassification Report
Related AstroNotes: 2025-232
Reporting Group
ATLAS
Discovering Data Source
ATLAS
Discovery Date
2025-07-23 03:29:19.968
TNS AT
Y
Public
Y
Discovery Mag
19.116
Filter
orange-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), M. R. Alarcón, J. Licandro, P. Nichita (IAC), 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_2025ryz - 2025-08-04 09:08:31 P200 / NGPS (ZTF)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
 ▌GOTO-N_GOTO-2_L
 ▌PS2_GPC2_w
 ▌ATLAS-CHL_ATLAS-04_cyan
 ▌ATLAS-STH_ATLAS-03_orange
 ▌BG2_BlackGEM-Cam2_BG-q
 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
   
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
21699 2025-08-04 09:08:31 P200 / NGPS Viraj Karambelkar, Thomas Culino, Wynn Jacobson-Galán Viraj Karambelkar, Thomas Culino, Wynn Jacobson-Galán ZTF tns_2025ryz_2025-08-04_09-08-31_P200_NGPS_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- LAST_LAST-Cam 2025-08-31 23:10:11 - 2025-09-01 20:14:29 2460919.46541 - 2460920.34339 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
515023 2025-09-01 20:14:29 2460920.34339 18.68 ABMag Clear- LAST_LAST-Cam 400
515022 2025-08-31 23:10:11 2460919.46541 19.99 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-08-12 01:36:12 - 2025-08-18 00:39:01 2460899.56681 - 2460905.527093 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
510005 2025-08-18 00:39:01 2460905.527093 18.27 0.1 ABMag L-GOTO GOTO-N_GOTO-2 180
510004 2025-08-12 01:36:12 2460899.56681 16.6 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
w-P1 PS2_GPC2 2025-07-27 11:14:41 - 2025-07-27 11:14:41 2460883.96853 - 2460883.96853 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
506237 2025-07-27 11:14:41 2460883.96853 17.95 0.01 22 ABMag w-P1 PS2_GPC2 45 Robot
cyan-ATLAS ATLAS-CHL_ATLAS-04 2025-07-22 06:34:29 - 2025-07-22 06:34:29 2460878.77395 - 2460878.77395 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
504493 2025-07-22 06:34:29 2460878.77395 18.79 ABMag cyan-ATLAS ATLAS-CHL_ATLAS-04 30 Robot [Last non detection]
orange-ATLAS ATLAS-STH_ATLAS-03 2025-07-23 03:29:20 - 2025-07-23 03:29:20 2460879.64537 - 2460879.64537 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
504494 2025-07-23 03:29:20 2460879.64537 19.116 0.172 19.42 ABMag orange-ATLAS ATLAS-STH_ATLAS-03 30 Robot
BG-q-BlackGem BG2_BlackGEM-Cam2 2025-07-21 05:26:31 - 2025-07-25 03:23:46 2460877.7267477 - 2460881.6415046 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
504755 2025-07-25 03:23:46 2460881.6415046 18.2 0.04 20.59 ABMag BG-q-BlackGem BG2_BlackGEM-Cam2 60 robotic
504754 2025-07-21 05:26:31 2460877.7267477 20.53 ABMag BG-q-BlackGem BG2_BlackGEM-Cam2 60 robotic [Last non detection]
r-ZTF P48_ZTF-Cam 2025-07-20 10:49:30 - 2025-07-25 09:32:47 2460876.9510417 - 2460881.8977662 5
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
504802 2025-07-25 09:32:47 2460881.8977662 18.1704 0.0664708 ABMag r-ZTF P48_ZTF-Cam
505590 2025-07-25 09:32:47 2460881.8977662 18.1704 0.0664708 20.3093 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
504801 2025-07-22 10:00:01 2460878.9166782 20.2018 0.153737 ABMag r-ZTF P48_ZTF-Cam
505588 2025-07-22 10:00:01 2460878.9166782 20.2228 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF
504800 2025-07-20 10:49:30 2460876.9510417 20.167 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-ZTF P48_ZTF-Cam 2025-07-22 10:02:45 - 2025-07-27 10:04:20 2460878.9185764 - 2460883.9196759 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
505591 2025-07-27 10:04:20 2460883.9196759 17.8645 0.0563106 20.1538 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
505589 2025-07-22 10:02:45 2460878.9185764 20.0416 0.22323 20.0834 ABMag g-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF
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
269033 2025-09-02 04:22:13 LAST_Bot1 E. O. Ofek (WIS), R. Konno (WIS), E. A. Zimmerman (WIS) et al. LAST LAST 22:08:44.841 -27:51:13.50 2025-09-01 20:14:28.896 18.68 Clear- PSN LAST N
266461 2025-08-18 06:29:08 GOTO_bot A. Kumar, G. Ramsay, K. Ackley et al. GOTO GOTO 22:08:44.906 -27:51:12.58 2025-08-18 00:39:00.576 18.27 L-GOTO Other GOTO25fzm GOTO N
264378 2025-07-30 23:21:19 PS1_Bot1 K. C. Chambers, T. de Boer, J. Fairlamb et al. Pan-STARRS Pan-STARRS 22:08:44.863 -27:51:12.92 2025-07-27 11:14:40.992 17.95 w-P1 PSN PS25fny Pan-STARRS N
264063 2025-07-27 16:04:43 ALeRCE F. Forster, F.E. Bauer, G. Pignata et al. ALeRCE ZTF 22:08:44.860 -27:51:13.02 2025-07-22 10:02:45.001 20.0416 g-ZTF PSN IC 5168 ZTF25abdhyhr ZTF Early SN candidate (r-rise > 0.69+-0.02 mag/day) classified using ALeRCE's stamp classifier (Carrasco-Davis et al. 2021) and the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF25abdhyhr N
263667 2025-07-25 10:03:54 BTSbot_bot Nabeel Rehemtulla (CIERA, NU), Wynn Jacobson-Galán (Caltech), Theophile du Laz (Caltech) on behalf of ZTF ZTF ZTF 22:08:44.879 -27:51:12.90 2025-07-22 10:00:00.996 20.2018 r-ZTF PSN ZTF25abdhyhr ZTF Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167). N
263646 2025-07-25 06:54:05 BlackGEM_Bot1 G. Ramsay, H. Tranin, F. Stoppa et al. BlackGEM BlackGEM 22:08:44.883 -27:51:13.39 2025-07-25 03:23:46.000 18.2 BG-q-BlackGem 1 PSN BGEM J220844.88-275113.3 BlackGEM N
Related files
File Comments Last Modified (UT) Modified By
tns_2025ryz_atrep_263646_BlackGEM.pdf Finding Chart 2025-07-25 06:54:07 BlackGEM_Bot1
263541 2025-07-24 07:47:49 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland et al. ATLAS ATLAS 22:08:44.876 -27:51:13.10 2025-07-23 03:29:19.968 19.116 orange-ATLAS PSN ATLAS25iea ATLAS 2025TNSTR2863....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
21699 2025-08-04 18:09:32 ZTF_Bot1 J. Sollerman, K. Das, A. Mehla, C. Fremling (Caltech), M. Kasliwal (Caltech) on behalf of the ZTF CATS150 collaboration ZTF SN II 0.016201 1 ZTF 2025TNSCR3072....1S
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
21699 2025-08-04 09:08:31 P200 / NGPS Viraj Karambelkar, Thomas Culino, Wynn Jacobson-Galán Viraj Karambelkar, Thomas Culino, Wynn Jacobson-Galán ZTF tns_2025ryz_2025-08-04_09-08-31_P200_NGPS_ZTF.ascii Object

Comments

TNS
System

Wed, 07/30/2025 - 23:21

Object coordinates updated

Object coordinates updated according to AT-report 264378 of Group Pan-STARRS
Previous RA, DEC: 22:08:44.883, -27:51:13.39 (332.187012, -27.853719)
Updated RA, DEC: 22:08:44.863, -27:51:12.92 (332.186927145, -27.8535876162)

TNS
System

Fri, 07/25/2025 - 06:54

Object coordinates updated

Object coordinates updated according to AT-report 263646 of Group BlackGEM
Previous RA, DEC: 22:08:44.876, -27:51:13.10 (332.1869825, -27.85364)
Updated RA, DEC: 22:08:44.883, -27:51:13.39 (332.187012, -27.853719)