Variable Star ARLac

CROSS IDENTIFICATION: AR Lac

AR Lac = AN 1907.0126 = BD +45 3813 = BS 8448 = HD 210334 = HV 02980 = SAO 051684 

GCVS result

ID: 450071
Variable star: AR Lac
RA 2000: 220840.8
DE 2000: +454432
RA 1950:
DE 1950:
Type of variability: EA/AR/RS
Max (mag): 6.08
Min (mag): 6.77
Photometric system: V
Epoch (JD): 41593.7123
Period (d): 1.98319204
Year of outburst for N, SN:
M-m (or D): 15
Spectrum: G2IV-V+K0IV
Study reference: 09313
Chart or phot. ref.: 00010
Cases of non-existence:

GCVS NOTE result

"Min II 6.43 "0.13P "1.983244d*E (JD2415300 - 26800) [09309] 2429535.739 + 1.9832125d*E (JD2426800 - 36000) "[09312] "(JD2436000 - 37500) [00001] There is a square term in the elements given in the Table: - 5.24d*10**(-9)*E**2. "Shape of the light curve varies distortion wave with A up to 0.13mV migrating in the direction of decreasing phases with P ~2.5 yr. Spectrum investigations [01816, 09315, 9316].

GCVS NOTES fulltext search:  

NSV: Suspected Variable NSV  not found.

BRKA result

Variable star: AR Lac
Brightness type: 06
Points: 5
RA 2000: 220841.1
DE 2000: +454429
Max (mag): 6.08
Min (mag): 6.77
Sec (mag): 6.43
Photometric system: V
Epoch (JD): 49292.3444
Period (d): 1.9831676
D (hour): 7.1
d (hour): 2.1
Astrophysical note:
Reference: SAC 72
Finding chart: K

MEKA: Variable star AR Lac 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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