Variable Star V1647 Sgr

CROSS IDENTIFICATION: V1647 Sgr

V1647 Sgr = CoD -36 12064 = CPD -36 07843 = HD 163708 = SAO 209552 

GCVS result

ID: 721647
Variable star: V1647 Sgr
RA 2000: 175913.5
DE 2000: -365620
RA 1950:
DE 1950:
Type of variability: EA/DM
Max (mag): 6.94
Min (mag): 7.57
Photometric system: V
Epoch (JD): 41829.69510
Period (d): 3.28279251
Year of outburst for N, SN:
M-m (or D): 08
Spectrum: A1V+A2V
Study reference: 09854
Chart or phot. ref.: CoD
Cases of non-existence:

GCVS NOTE result

"VB A (B 9.13m, 8"", 104deg). Min II 7.43, DII = 0.059P," "Min II - Min I = 0.262P (JD2441830) Min II = 2441830.55561 + 3.28282227d*E. The apsidal motion period is 592.5 +- 6.5 years.

GCVS NOTES fulltext search:  

NSV: Suspected Variable NSV  not found.

BRKA: Variable star V1647 Sgr not found.

MEKA: Variable star V1647 Sgr not found.

DSS plate 15'x 15'

Image from the Digitized Sky Survey at the STScI Archive.

 

Please put the variable's designation into field in common style - for example: ZUMa, zuma, V477Cyg, v1182Cyg, NSV 255, nsv2544. Designation of bright variable stars like Beta Persei type in short style (three letters) - bet Per. The complete cross-identification among more then 30 catalogues will be done after submitting.
Spaces and cases are ingnored..


 
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