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PNV AT2023yij in M31
2023/11/23.717 - Flux: 19.1 STMag
Discovery - Type Nova
Discovery Image
Discovery date: 2023-11-23 23:19:16

Reference Image
Last non-detection date: 2023-09-22 19:05:27

SDSS9
RA: 00:42:45.870 DEC  +41:21:37.90



Discovery certificate for object 2023yij

TNS Astronomical Transient Report No. 194448
Date Received (UTC): 2023-11-23 23:19:16
Sender: Mr. Raffaele Belligoli
Reporting Group: ISSP     Discovery Data Source: None
Castellani Flavio report/s the discovery of a new astronomical transient.

IAU Designation: AT 2023yij
Discoverer internal name: OMB-PNV21
Coordinates (J2000): RA = 00:42:45.870 (10.691125) DEC = +41:21:37.90 (41.360528)
Discovery date: 2023-11-23 19:11:12.000 (JD=2460272.2994444)
Potential host galaxy: M31
Host redshift: -0.001

Remarks: Flavio Castellani report the discovery by F.Castellani, R.Belligoli,and V.Andreoli of a PNV (Mag. 19.1R +-0.2 – USNOA2 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/8 Ritchey-Chretien telescope (+ Moravian G4-9000 KAF CCD unfiltered CCD camera). No stellar source is visible at the position of the transient in our past images including reference image dated 2023-11-22 19:05:27

Photometry
Discovery (first detection):
Discovery date: 2023-11-23 19:11:12.000
Flux: 19.1 ABMag
Filter: Clear-
Instrument: Other
Telescope: Other
Last non-detection:
Last non-detection date: 2023-11-22 19:05:27
Limiting flux: 19.5 ABMag
Filter: Clear-
Instrument: Other
Telescope: Other
Remarks: RC 400mm F8 Osservatorio Monte Baldo Italy

Details of the new object can be viewed here: https://www.wis-tns.org/object/2023yij


Classification certificate for object 2023yij
TNS Classification Report No. 16105

Date Received (UTC): 2023-11-26 19:57:27
Sender: Mr. Claudio Balcon
Group: None
Claudio Balcon (Belluno A.O. ISSP) report/s a classification of object: AT 2023yij
Type: Nova
Remarks: The low S/N spectrum resembles that of a Nova.
The following Classification spectrum was provided:

Obsdate: 2023-11-26 18:09:00
Instrument: Other
Telescope: Other
Remarks: We obtained the low-resolution spectrum using the FOSC-ES32 spectrograph attached to a 0.41m telescope, in the course of Italian Supernovae Search Project.
Details of the object and its spectra can be viewed here: https://www.wis-tns.org/object/2023yij





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