Variable Star RRDra


CROSS IDENTIFICATION: RR Dra

RR Dra = AN 1904.0188 


GCVS result

ID: 340010
Variable star: RR Dra
RA 2000: 184147.4
DE 2000: +624035
RA 1950:
DE 1950:
Type of variability: EA/SD
Max (mag): 10.0
Min (mag): 13.3
Photometric system: V
Epoch (JD): 44483.391
Period (d): 2.8313215
Year of outburst for N, SN:
M-m (or D): 15
Spectrum: A2
Study reference: 00001
Chart or phot. ref.: 00101
Cases of non-existence:


GCVS NOTE result

d = 0.015P. Min II 10.1. P var. Before JD2439000 "Min I = 2433390.458 + 2.83123d*E [01001] since JD2440000 - see Table.

GCVS NOTES fulltext search:  


NSV: Suspected Variable NSV  not found.


BRKA result

Variable star: RR Dra
Brightness type: 12
Points: 4
RA 2000: 184147.6
DE 2000: +624031
Max (mag): 10.0
Min (mag): 13.3
Sec (mag): 10.1
Photometric system: V
Epoch (JD): 51363.550
Period (d): 2.831305
D (hour): 10.2
d (hour): 1.0
Astrophysical note: P2E2
Reference: Paschke
Finding chart: K1

MEKA: Variable star RR Dra not found.


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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