Doublestar analysis of lunar occultation of XZ8322 in Oct.19 2008

Kazuhisa Miyashita

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Observation site

Place name	Tenpyo-no-Mori, Azumino, Nagano, Japan
Longitude	137d 56m 44.6s East
Latitude	36d 19m 56.3s North

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Light curve

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Diffraction fitting

Photometry of double star

Luminous intensity of XZ3810 is 349.5.
The luminous intensity of main component is 707.9-225.7=482.2. It is 0.34 mag. brighter than xz3810.
Luminous intensity of fainter component is 225.7 (31.9% of 707.9). It is 0.48 mag. dimmer than xz3810.
The main component is 0.82 mag. brighter than fainter component.
Therefore, ..
When using 7.47 as a visual magnitude of XZ3810, then the main component of XZ8322 is 7.13 mag.
And the fainter component is 7.95 mag.
The combined magnitude of XZ8322 is 6.71 mag.


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Result




Object	Phenomenon	Time	magnitude
Component B	Appearance	13h40m21.845s +/- 0.017sec	7.13
Component A	Appearance	13h38m22.051s +/- 0.017sec	7.95
Time difference		0.206sec

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