[vsnet-alert 21814] PNV J19202580+1851180: new transient (12.6 mag) in Sagitta

Sat Jan 27 18:27:59 JST 2018

PNV J19202580+1851180  (UG/N)

Discoverer: Yukio Sakurai (Mito, Ibaraki-ken, Japan)
RA 19h20m25.80s, DEC +18°51'18.0" (J2000.0)
2018 Jan. 26.8608 UT, 12.6 mag (CCD, unfiltered)

"2018 01 26.861 UT
Discovered by Y. Sakurai, Ibaraki-ken, Japan, on two
frames with 10-s exposure using Nikon D7100 + digital
camera + 180-mm f/2.8 lens under the limiting mag =
13s, who writes that nothing is visible at this
location on a frame taken on 2018 Jan. 25.861 UT.
There is a star (mag.= 16.2) at 26s.32 and 23".6."

http://www.cbat.eps.harvard.edu/unconf/followups/J19202580+1851180.html

Spectroscopy and precise astrometry are urgently
required; time-resolved photometry is also
recommended.

Clear skies,
Patrick