RA/DEC (2000)
22:42:47.935 +51:30:13.92
340.69972815714 +51.503865935714
Type
SN Ia
Redshift
0.06
Discovery ReportClassification Report
Reporting Group
XOSS
Discovering Data Source
XOSS
Discovery Date
2025-05-21 20:05:46.176
TNS AT
Y
Public
Y
Host Name
WISEA J224246.82+513023.7
Host Redshift
0.045655
Discovery Mag
19.03
Filter
Clear-
Reporter/s
Jianlin Xu, Mi Zhang, Guoyou Sun, Jiangao Ruan, Jingyuan Zhao, Wenjie Zhou, Yong Ma, Ye, Zhuoyang Chen (Xingming Obs.), Hanjie Tan (AUUK), Guangwei Wu (NAAA), Xing Gao, Ali Esamdin, Chunhai Bai, Yong Wang (XAO), on behalf of the KATS team
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2025kyy - 2025-05-28 00:00:00 LT / SPRAT (TCD)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
 ▌P48_ZTF-Cam_r
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌Other_Other_Clear
   
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
21180 2025-05-28 00:00:00 LT / SPRAT Charlotte-Grace Touchard-Paxton, Kate Maguire, Umut Burgaz, Christine Collins, Cillian O'Donnell, Ravi Seth, Jacobus Terwel, Tho Charlotte-Grace Touchard-Paxton TCD tns_2025kyy_2025-05-28_LT_SPRAT_TCD.text Object SNID classification as Ia at +1.2d (99.9% match)
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- LAST_LAST-Cam 2024-09-09 21:59:05 - 2025-05-28 00:09:13 2460563.41603 - 2460823.5064 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
492229 2025-05-28 00:09:13 2460823.5064 17.18 ABMag Clear- LAST_LAST-Cam 400
492228 2024-09-09 21:59:05 2460563.41603 20.73 ABMag Clear- LAST_LAST-Cam 400 [Last non detection]
L-GOTO GOTO-N_GOTO-2 2025-05-15 03:10:07 - 2025-05-25 02:30:58 2460810.63202 - 2460820.604839 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
491274 2025-05-25 02:30:58 2460820.604839 17.39 0.08 ABMag L-GOTO GOTO-N_GOTO-2 180
491273 2025-05-15 03:10:07 2460810.63202 17.6 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-05-10 10:23:01 - 2025-05-19 10:19:09 2460805.9326505 - 2460814.9299653 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
492074 2025-05-19 10:19:09 2460814.9299653 19.4395 0.172502 19.7143 ABMag r-ZTF P48_ZTF-Cam 30 Robot Data provided by ZTF, classified by Fink
492073 2025-05-10 10:23:01 2460805.9326505 18.8746 ABMag r-ZTF P48_ZTF-Cam 30 Robot [Last non detection] Data provided by ZTF, classified by Fink
orange-ATLAS ATLAS-MLO_ATLAS-01 2025-05-14 14:52:36 - 2025-05-26 14:00:08 2460810.11986 - 2460822.08343 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
491821 2025-05-26 14:00:08 2460822.08343 17.057 0.03 19.16 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
491820 2025-05-14 14:52:36 2460810.11986 18.15 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
Clear- Other_Other 2025-05-21 20:05:46 - 2025-06-10 09:16:42 2460817.33734 - 2460836.8865972 5
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
494442 2025-06-10 09:16:42 2460836.8865972 17 0.2 17.8 Other Clear- Other_Other 30 B. Kumar 3 frames taken with a 0.36-m f/2 astrograph + CCD; zero points calibrated to UCAC-4 magnitudes.
494441 2025-06-08 09:49:46 2460834.9095602 18 Other Clear- Other_Other 30 B. Kumar [Last non detection] 3 frames taken with a 0.36-m f/2 astrograph + CCD; zero points calibrated to UCAC-4 magnitudes.
493523 2025-06-03 08:59:39 2460829.8747569 16.7 0.2 18 Other Clear- Other_Other 30 B. Kumar 3 frames taken with a 0.36-m f/2 astrograph + CCD; zero points calibrated to UCAC-4 magnitudes.
493522 2025-06-01 09:37:40 2460827.9011574 18 Other Clear- Other_Other 30 B. Kumar [Last non detection] 3 frames taken with a 0.36-m f/2 astrograph + CCD; zero points calibrated to UCAC-4 magnitudes.
489561 2025-05-21 20:05:46 2460817.33734 19.03 0.18 19.5 VegaMag Clear- Other_Other 60 Xing Gao
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
258132 2025-06-10 16:49:57 Balaji Kumar Balaji Kumar et al. GEOTS GEOTS 22:42:47.960 +51:30:14.90 2025-06-10 09:16:42.000 17 Clear- 1 PSN GEOTS-Balaji-2025-kyy GEOTS N
Related files
File Comments Last Modified (UT) Modified By
tns_2025kyy_atrep_258132_GEOTS.png Discovery and Reference Images 2025-06-10 16:49:57 Balaji Kumar
257712 2025-06-03 14:53:27 Balaji Kumar Balaji Kumar et al. GEOTS GEOTS 22:42:47.890 +51:30:14.30 2025-06-03 08:59:39.000 16.7 Clear- 1 PSN GEOTS-Balaji-2025-kyy GEOTS N
Related files
File Comments Last Modified (UT) Modified By
tns_2025kyy_atrep_257712_GEOTS.png 2025-06-03 14:53:27 Balaji Kumar
257063 2025-05-28 14:42:31 LAST_Bot1 R. Konno (WIS),E. A. Zimmerman (WIS),A. Horowicz (WIS) et al. LAST LAST 22:42:47.868 +51:30:13.11 2025-05-28 00:09:12.960 17.18 Clear- PSN LAST N
257011 2025-05-27 18:15:46 Fink Julien Peloton,Anais Moller,Emille E. O. Ishida on behalf of the Fink broker et al. Fink ZTF 22:42:47.935 +51:30:13.92 2025-05-19 10:19:09.002 19.4395 r-ZTF PSN ZTF25aaqqcld ZTF Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25aaqqcld N
256889 2025-05-27 07:34:52 ATLAS_Bot1 J. Tonry,L. Denneau,H. Weiland et al. ATLAS ATLAS 22:42:47.924 +51:30:13.95 2025-05-26 14:00:08.352 17.057 orange-ATLAS PSN ATLAS25fpl ATLAS N
256613 2025-05-25 08:34:55 GOTO_bot A. Kumar,D. O'Neill,K. Ackley et al. GOTO GOTO 22:42:47.964 +51:30:14.03 2025-05-25 02:30:58.176 17.39 L-GOTO Other GOTO25dbx GOTO N
255700 2025-05-21 23:44:34 Mi Zhang Jianlin Xu,Mi Zhang,Guoyou Sun et al. XOSS XOSS 22:42:47.960 +51:30:13.80 2025-05-21 20:05:46.176 19.03 Clear- PSN WISEA J224246.82+513023.7 KATS25K003 XOSS SN candidate classified by XOSS. Details can be found at http://xjltp.china-vo.org/kats25k003.html 2025TNSTR1874....1X N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
21180 2025-05-29 21:31:00 Charlotte-Grace Touchard-Paxton Charlotte-Grace Touchard-Paxton, Kate Maguire, Umut Burgaz, Christine Collins, Cillian O'Donnell, Ravi Seth, Jacobus Terwel, Tomas Muller Bravo TCD SN Ia 0.06 1 TCD SNID classification: Ia-norm, closest match sn2001e1 at +1.2d. 2025TNSCR2028....1T
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
21180 2025-05-28 00:00:00 LT / SPRAT Charlotte-Grace Touchard-Paxton, Kate Maguire, Umut Burgaz, Christine Collins, Cillian O'Donnell, Ravi Seth, Jacobus Terwel, Tho Charlotte-Grace Touchard-Paxton TCD tns_2025kyy_2025-05-28_LT_SPRAT_TCD.text Object SNID classification as Ia at +1.2d (99.9% match)

Comments

TNS
System

Tue, 05/27/2025 - 18:15

Object coordinates updated

Object coordinates updated according to AT-report 257011 of Group ZTF
Previous RA, DEC: 22:42:47.924, +51:30:13.95 (340.6996825, +51.503875)
Updated RA, DEC: 22:42:47.935, +51:30:13.92 (340.69972815714, +51.503865935714)

TNS
System

Tue, 05/27/2025 - 07:34

Object coordinates updated

Object coordinates updated according to AT-report 256889 of Group ATLAS
Previous RA, DEC: 22:42:47.964, +51:30:14.03 (340.699851, +51.503896)
Updated RA, DEC: 22:42:47.924, +51:30:13.95 (340.6996825, +51.503875)

TNS
System

Sun, 05/25/2025 - 08:34

Object coordinates updated

Object coordinates updated according to AT-report 256613 of Group GOTO
Previous RA, DEC: 22:42:47.960, +51:30:13.80 (340.699833, +51.503833)
Updated RA, DEC: 22:42:47.964, +51:30:14.03 (340.699851, +51.503896)