RA/DEC (2000)
00:42:42.675 +41:11:24.55
10.6778121 +41.190153
Type
---
Redshift
Discovery Report
Reporting Group
None
Discovering Data Source
None
Discovery Date
2025-09-16 03:06:28.800
TNS AT
Y
Public
Y
Host Name
M31
Discovery Mag
18.7
Filter
Clear-
Reporter/s
Róbert Fidrich
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Light curves

 ▌GOTO-N_GOTO-2_L
 ▌P48_ZTF-Cam_r
 ▌Other_Other_Clear
   
Pointer position (MJD, Mag, Abs.Mag): (0.00, 0.00, 0.00)
No Data
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
L-GOTO GOTO-N_GOTO-2 2025-09-13 23:49:36 - 2025-09-18 22:32:01 2460932.492781 - 2460937.438898 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
518462 2025-09-18 22:32:01 2460937.438898 18.3 0.14 ABMag L-GOTO GOTO-N_GOTO-2 360
518461 2025-09-13 23:49:36 2460932.492781 18.7 ABMag L-GOTO GOTO-N_GOTO-2 180 [Last non detection]
r-ZTF P48_ZTF-Cam 2025-09-15 08:48:54 - 2025-09-20 09:26:42 2460933.8672917 - 2460938.8935417 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
518807 2025-09-20 09:26:42 2460938.8935417 17.5594 0.0369908 ABMag r-ZTF P48_ZTF-Cam
518806 2025-09-16 09:54:31 2460934.9128588 19.2186 0.101901 ABMag r-ZTF P48_ZTF-Cam
518805 2025-09-15 08:48:54 2460933.8672917 19.9626 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
Clear- Other_Other 2025-09-15 02:05:51 - 2025-09-16 03:06:29 2460933.5874 - 2460934.6295 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
517891 2025-09-16 03:06:29 2460934.6295 18.7 0.15 19.2 VegaMag Clear- Other_Other 360 Robert Fidrich Róbert Fidrich and Tamás Tordai (HAA/VSS) report the discovery of a new astronomical transient. Discovered using 4x90s co-added images made with a 0.43 m Dall-Kirkham telescope at Alnitak Remote Observatory, Sierra del Segura, Spain, with Luminance filter. The discovery was made using the Alnitak Remote Observatories robotic telescope network, ARTA program. More details with discovery image: https://vendegcsillagkereso.blogspot.com/2025/09/vend68-probable-nova-in-m31.html
517890 2025-09-15 02:05:51 2460933.5874 20 VegaMag Clear- Other_Other 360 Robert Fidrich [Last non detection] 4x90s co-added images made with a 0.43 m Dall-Kirkham telescope at Alnitak Remote Observatory, Sierra del Segura, Spain, with Luminance filter. The observation was made using the Alnitak Remote Observatories robotic telescope network, ARTA program.
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
270804 2025-09-20 19:30:14 ZTF_CATS150 Sam Rose (Caltech),Theophile Du Laz (Caltech),Mansi Kasliwal (Caltech) et al. ZTF ZTF 00:42:42.675 +41:11:24.55 2025-09-16 09:54:31.000 19.2186 r-ZTF PSN ZTF25abrlwzs ZTF N
270642 2025-09-19 05:33:56 GOTO_bot S. Belkin,D. O'Neill,K. Ackley et al. GOTO GOTO 00:42:42.667 +41:11:24.36 2025-09-18 22:32:00.960 18.3 L-GOTO Other GOTO25his GOTO N
270382 2025-09-17 00:27:19 Róbert Fidrich Róbert Fidrich et al. 00:42:42.710 +41:11:26.10 2025-09-16 03:06:28.800 18.7 Clear- PNV M31 Vend68 Róbert Fidrich and Tamás Tordai (HAA/VSS) report the discovery of a new astronomical transient. Discovered using 4x90s co-added images made with a 0.43 m Dall-Kirkham telescope at Alnitak Remote Observatory, Sierra del Segura, Spain, with Luminance filter. The discovery was made using the Alnitak Remote Observatories robotic telescope network, ARTA program. More details with discovery image: https://vendegcsillagkereso.blogspot.com/2025/09/vend68-probable-nova-in-m31.html 2025TNSTR3742....1F N
No Data

Comments

TNS
System

Sat, 09/20/2025 - 19:30

Object coordinates updated

Object coordinates updated according to AT-report 270804 of Group ZTF
Previous RA, DEC: 00:42:42.667, +41:11:24.36 (10.67778, +41.1901)
Updated RA, DEC: 00:42:42.675, +41:11:24.55 (10.6778121, +41.190153)

TNS
System

Fri, 09/19/2025 - 05:33

Object coordinates updated

Object coordinates updated according to AT-report 270642 of Group GOTO
Previous RA, DEC: 00:42:42.710, +41:11:26.10 (10.677958, +41.190583)
Updated RA, DEC: 00:42:42.667, +41:11:24.36 (10.67778, +41.1901)