Dauban V250


nameDauban V250
constellationPer
J2000.001 50 55.98 +54 12 53.3
other names2MASS J01505598+5412532
type--
mag range10.3 - 11.0 CR
period (days)1.15068
epoch03 April 2015 (HJD 2457115.829)
colorJ-K = 0.06
remarks--
links--
discovery06/01/2013
DSS2-R
DSS2-IR


Confirmation of variability


Additional observations have been made by François Kugel (LX200 reflector) and Hubert Boussier.
The minimum has been measured several times and confirms the variability. The period is 1.15068 days.



Spectra


A spectrum of Dauban V250 was taken in 2014 by Hubert Boussier:



A high resolution spectrum, centered on the Hbeta line, was also measured with a 1m telescope by a team of amateurs (P.Dubreuil, A.Lopez, S.Ubaud, T.De France and T.Garrel).
See here.