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PNV AT2024ssq in M31 2024/08/24.9963 - Flux: 17.1 STMag Discovery - Type Nova |
Discovery Image Discovery date: 2024-08-24 23:54:42  | Reference Image Last non-detection date: 2024-08-17 22:18:49  | SDSS9 RA: 00:43:00.010 DEC +41:00:24.30  | ||
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Discovery certificate for object 2024ssq TNS Astronomical Transient Report No. 222635 Date Received (UTC): 2024-08-25 10:57:09 Sender: Flavio Castellani Reporting Group: None Discovery Data Source: None Flavio Castellani report/s the discovery of a new astronomical transient. IAU Designation: AT 2024ssq Coordinates (J2000): RA = 00:43:00.010 (10.750042) DEC = +41:00:24.30 (41.00675) Discovery date: 2024-08-24 23:54:42.000 (JD=2460547.4963194) Potential host galaxy: M31 Remarks: F. Castellani, Verona, Italy reports the discovery by Flavio Castellani, Vittorio Andreoli and Raffaele Belligoli, in the course of the ISSP Italian Supernovae Search Project, of an apparent nova on a co-added 6000sec unfiltered images taken with a Moravian G4-9000 KAF CCD unfiltered, from Monte Baldo Observatory (Ferrara di Monte Baldo, Verona, Italy), with the 0.4m f.8 Ritchey-Chrétien telescope, obtained on 2024/08/24.927 UT. The new object is located at RA 00 43 00.01 DEC +41 00 24.3 (equinox 2000.0) Apparent magnitude about 17.1 in host Galaxy M31 Nothing is visible at this position on 2024/08/17.9291 as reference. Photometry Discovery (first detection): Discovery date: 2024-08-24 23:54:42.000 Flux: 17.1 ABMag Filter: Clear- Instrument: Other Telescope: Other Remarks: 0.4m f.8 Ritchey-Chrétien Last non-detection: Last non-detection date: 2024-08-18 22:18:49 Limiting flux: 19.5 ABMag Filter: Clear- Instrument: Other Telescope: Other Remarks: 0.4m f.8 Ritchey-Chrétien Details of the new object can be viewed here: https://www.wis-tns.org/object/2024ssq Classification certificate for object 2024ssq TNS Classification Report No. 17739 Date Received (UTC): 2024-08-25 22:26:58 Sender: Claudio Balcon Group: None Claudio Balcon (Belluno A.O. ISSP) report/s a classification of object: AT 2024ssq Type: Nova Remarks: The strong and broad H-alpha line suggest a Nova in M31 The following Classification spectrum was provided: Obsdate: 2024-08-25 21:19:00 Instrument: Other Telescope: Other Remarks: We obtained the low-resolution spectrum R~100 using the FOSC-E5535 spectrograph attached to a 0.41m telescope, in the course of Italian Supernovae Search Project. |
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