Doublestar analysis of lunar occultation of XZ14295 on May.2 2009
Observed by Hideyoshi Karasaki
and Masayuki Ishida
Analized by Kazuhisa Miyashita
Hideyoshi Karasaki (Tokyo) and Masayuki Ishida (Shiga) observed same star XZ14295 and they sent video file to the author of this article.
As a result of Limovie analysis, separation and position angle of double star have been obtained. These value almost agree the catalogue value.
Fig.1 Karasaki's observation.
Light curve of this dim star is scattered by air scintillation.
RA = 9 26 8.5402 PM = 0.00078s
Dec = 12 58 20.717 PM = -0.0287"
Mv = 9.93, Mb = 10.53, Mr = 9.62 Spectrum G0 Approx dia. .0001"
Star is the primary of the following pair
Name Cmpt Yr1 Yr2: PA1 PA2 : Sep1 Sep2 : Mag1 Mag2: #1 #2 mean
HEI 353 1985 1995: 142.0 142.0: 0.500 0.500: 10.10 10.10: X 14295 ------
WDS Discoverer codes
HEI Heintz, W.D.
Diffraction fitting and photometry
Fig.2A Fitting Karasaki's observation to diffraction simulation.
Fig.2B Fitting Ishida's observation to diffraction simulation.
Elements of separation to the radial direction of lunar are 0.556(Karasaki) and 0.539(Ishida) arcsec. These are larger than expected value 0.498(Karasaki) and 0.485(Ishida)
|Object ||Phenomenon ||Time||magnitude||Component A ||Disappearance ||10h59m59.241s +/- 0.067sec ||10.53
||Component B ||Disappearance ||11h00m00.656s +/- 0.067sec||10.86
||Time difference ||1.415 sec
From two observation, the west star is slightly brighter than east star.
|Object ||Phenomenon ||Time||magnitude||Component A ||Disappearance ||10h59m29.72s +/- 0.07sec ||10.45
||Component B ||Disappearance ||10h59m31.20s +/- 0.07sec||10.98
||Time difference ||1.487 sec
Component's separation is slightly larger than the value of catalogue. Position angle is 5 degrees smaller than catalogue.