TNS Astronomical Transient Report No. 134744 [ 2022TNSTR.208....1R ]

Date Received (UTC): 2022-01-26 13:48:39
Date made public:
Sender: Mi Zhang
Reporting Group: XOSS     Discovery Data Source: XOSS

Jiangao Ruan, Mi Zhang, Xing Gao (Xingming Obs) report/s the discovery of a new astronomical transient.

IAU Designation: AT 2022alr
Discoverer internal name: XN05JR
Coordinates (J2000): RA = 00:42:46.990 (10.695792) DEC = +41:15:53.20 (41.264778)
Discovery date: 2022-01-25 13:21:19.872 (JD=2459605.05648)

Potential host galaxy: M31

Remarks: Jiangao Ruan, Mi Zhang, Xing Gao (Xingming Obs), report the discovery of a possible nova at 18.7 Gmag on several 300-s survey images (limiting mag about 20.5 G) taken by Xing Gao at Xingming Observatory “#”3 (N88) around Jan. 25.5565 UTC using a unfiltered CCD (+ 0.6-m f/8 Ritchey-Chretien telescope). The transient approximately located at RA= 00h42m46.99s, DEC = +41d15m53.2s (equinox 2000.0). Which is about 30.1″ east and 15.3” south of the center of the NGC224(M31). Nothing is visible at this position on archival images. Images can be found at: http://xjltp.china-vo.org/xn05jr.html

Photometry

Discovery (first detection):
Discovery date: 2022-01-25 13:21:19.872
Flux: 18.7 VegaMag
Filter: Clear-
Instrument: Other
Telescope: Other

Remarks: The transient was discovered on several 300-s survey images (limiting mag about 20.5) taken by Xing Gao using NEXT at Xingming Observatory "#"3 (N88). Images can be found at: http://xjltp.china-vo.org/xn05jr.html

Last non-detection:
Last non-detection date: 2022-01-23 13:44:22
Limiting flux: 20.5 VegaMag
Filter: Clear-
Instrument: Other
Telescope: Other


Details of the new object can be viewed here: https://www.wis-tns.org/object/2022alr