TNS Astronomical Transient Report No. 170740 [ 2023TNSTR.335....1C ]
Date Received (UTC): 2023-02-11 09:26:07
Date made public:
Sender: Raffaele Belligoli
Reporting Group: ISSP Discovery Data Source: None
Flavio Castellani report/s the discovery of a new astronomical transient.
IAU Designation: AT 2023bnl
Discoverer internal name: OMB-PNV20
Coordinates (J2000): RA = 09:56:09.100 (149.037917) DEC = +69:02:44.50 (69.045694)
Discovery date: 2023-02-10 20:35:21.000 (JD=2459986.3578819)
Potential host galaxy: M81
Remarks: F. Castellani, Verona, Italy reports the discovery by Raffaele Belligoli, Flavio Castellani and Vittorio Andreoli, in the course of the ISSP Italian Supernovae Search Project, of an apparent nova on a co-added 7200sec unfiltered images taken with a Moravian G4-9000 KAF CCD unfiltered, from Monte Baldo Observatory (Ferrara di Monte Baldo, Verona, Italy), using the 0.4m f.8 Ritchey-Chrétien telescope, obtained on 2023 February 10.85788 UT. The new object is located at RA 09 56 09.1 DEC +69 02 44.5 (equinox 2000.0) Apparent magnitude about 18.4 in host Galaxy M81. No stellar source was visible at the position of the transient in our past images including reference image dated 2023 February 9.8979 limit magnitude 19.5 The object was independently discovered by K. Hornoch et. al., designated as PNV J09560893+6902443 on 2023 Feb. 10.934 UT and published on ATEL 15896 on 2023 February ; 05:08 UT
Photometry
Discovery (first detection):
Discovery date: 2023-02-10 20:35:21.000
Flux: 18.4 ABMag
Filter: Clear-
Instrument: Other
Telescope: Other
Remarks: RC 400mm F.8
Last non-detection:
Last non-detection date: 2023-02-09 21:33:02
Limiting flux: 19.6 ABMag
Filter: Clear-
Instrument: Other
Telescope: Other
Remarks: RC 400mm F.8
Details of the new object can be viewed here: https://www.wis-tns.org/object/2023bnl
Date Received (UTC): 2023-02-11 09:26:07
Date made public:
Sender: Raffaele Belligoli
Reporting Group: ISSP Discovery Data Source: None
Flavio Castellani report/s the discovery of a new astronomical transient.
IAU Designation: AT 2023bnl
Discoverer internal name: OMB-PNV20
Coordinates (J2000): RA = 09:56:09.100 (149.037917) DEC = +69:02:44.50 (69.045694)
Discovery date: 2023-02-10 20:35:21.000 (JD=2459986.3578819)
Potential host galaxy: M81
Remarks: F. Castellani, Verona, Italy reports the discovery by Raffaele Belligoli, Flavio Castellani and Vittorio Andreoli, in the course of the ISSP Italian Supernovae Search Project, of an apparent nova on a co-added 7200sec unfiltered images taken with a Moravian G4-9000 KAF CCD unfiltered, from Monte Baldo Observatory (Ferrara di Monte Baldo, Verona, Italy), using the 0.4m f.8 Ritchey-Chrétien telescope, obtained on 2023 February 10.85788 UT. The new object is located at RA 09 56 09.1 DEC +69 02 44.5 (equinox 2000.0) Apparent magnitude about 18.4 in host Galaxy M81. No stellar source was visible at the position of the transient in our past images including reference image dated 2023 February 9.8979 limit magnitude 19.5 The object was independently discovered by K. Hornoch et. al., designated as PNV J09560893+6902443 on 2023 Feb. 10.934 UT and published on ATEL 15896 on 2023 February ; 05:08 UT
Photometry
Discovery (first detection):
Discovery date: 2023-02-10 20:35:21.000
Flux: 18.4 ABMag
Filter: Clear-
Instrument: Other
Telescope: Other
Remarks: RC 400mm F.8
Last non-detection:
Last non-detection date: 2023-02-09 21:33:02
Limiting flux: 19.6 ABMag
Filter: Clear-
Instrument: Other
Telescope: Other
Remarks: RC 400mm F.8
Details of the new object can be viewed here: https://www.wis-tns.org/object/2023bnl