RA/DEC (2000)
00:43:55.890 +41:34:50.50
10.982875 +41.580694
Type
---
Redshift
Discovery Report
Reporting Group
None
Discovering Data Source
None
Discovery Date
2025-05-28 02:06:35.000
TNS AT
Y
Public
Y
Host Name
M31
Discovery Mag
18.4
Filter
Clear-
Reporter/s
Flavio Castellani
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Light curves

 ▌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
Clear- Other_Other 2025-03-08 18:53:53 - 2025-05-29 01:54:09 2460743.287419 - 2460824.5792708 4
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
492583 2025-05-29 01:54:09 2460824.5792708 17.1 0.2 19 ABMag Clear- Other_Other 2160 CASTELLANI F. 0.40m f/7 Dall-Kirkham -OSSERVATORIO MONTE BALDO-
492199 2025-05-28 02:06:35 2460823.5879051 18.4 0.2 ABMag Clear- Other_Other 0.40m f/7 Dall-Kirkham -OSSERVATORIO MONTE BALDO-
492198 2025-03-08 18:53:53 2460743.287419 19.5 ABMag Clear- Other_Other 3600 CASTELLANI F. [Last non detection] 0.40m f/7 Dall-Kirkham -OSSERVATORIO MONTE BALDO-
492582 2025-03-08 18:53:53 2460743.287419 19.5 ABMag Clear- Other_Other 3600 CASTELLANI F. [Last non detection] 0.40m f/7 Dall-Kirkham -OSSERVATORIO MONTE BALDO-
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
257241 2025-05-29 14:55:19 Flavio Castellani Flavio Castellani et al. 00:43:55.890 +41:34:50.50 2025-05-29 01:54:09.000 17.1 Clear- PNV M31 Confirmation image of the PNV discovered on 2025 05 28.0783300 The magnitude of the transient has risen to 17.1 N
257050 2025-05-28 09:15:28 Flavio Castellani Flavio Castellani et al. 00:43:55.890 +41:34:50.50 2025-05-28 02:06:35.000 18.4 Clear- 1 PNV M31 OMB-PNV27 Flavio Castellani report the discovery by F.Castellani, R.Belligoli and V.Andreoli of a PNV (Mag. 18.5R +-0.20 - USNOB1 catalogue) in the host galaxy M31 at Monte Baldo Observatory, Ferrara di Monte Baldo, Verona, Italy (A99), in the course of Italian Supernovae Search Project using a 0.40m f/7 Dall-Kirkham telescope (+ Moravian G4-9000 KAF unfiltered CCD camera)9*180 co-added images. No stellar source was visible at the position of the transient in our past images including reference image dated 2025/03/08.7874. 2025TNSTR2002....1C N
Related files
File Comments Last Modified (UT) Modified By
tns_2025mho_atrep_257050.jpg DISCOVERY IMAGE 2025-05-28 09:15:30 Flavio Castellani
No Data

Comments