TCP J19284200+1942480 (N:)
https://www.aavso.org/vsx/index.php?view=detail.top&oid=1543685
RA 19h28m42.00s, DE +19°42'48.0" (J2000.0)
2020 March 19.7836 UT, mag. 11.9 (CCD, unfiltered)
Discoverer: Koichi Nishiyama (Kurume, Fukuoka Prefecture, Japan)
2020 03 18.4477 UT
Crowded field. The near-infrared source UGPS J192842.03+194247.9 (Hmag. 18.4) with position end figures 42.04s in RA and 47.9" in DE (J2000.0) is only 0.5" east of the reported position of the transient. According to the ASAS-SN Sky Patrol (Shappee et al. 2014ApJ...788...48S and Kochanek et al. 2017PASP..129j4502K) the transient was fainter than gmag. 16.4 on 2020 March 18.448 UT; no brightenings were recorded since 2015 February 8. Complete light curve at https://asas-sn.osu.edu/light_curves/7c9d1f13-3135-4f62-a491-9aa8ed34ed… --- Patrick Schmeer (Saarbrücken-Bischmisheim, Germany)
http://www.cbat.eps.harvard.edu/unconf/followups/J19284200+1942480.html
Highly reddened galactic classical nova? Spectroscopy, multiband photometry, and precise astrometry are urgently required.
Clear skies,
Patrick
Thank you Patrick
Position in Vulpeculae, not in Sagitta?
Michel
The sequence has been made for TCP J19284200+1942480 and is in VSP for F scale
Regards
Erik Schwendeman
AAVSO Sequence Team Member
TCP J19284200+1942480 was no astronomical transient, but CCD noise – according to the "discoverer(s)":
http://www.cbat.eps.harvard.edu/unconf/followups/J19284200+1942480.html
Refards,
Patrick