Variable Star DM Cyg

CROSS IDENTIFICATION: DM Cyg

DM Cyg = AN 1928.0007 = SVS 0164 

GCVS result

ID: 310135
Variable star: DM Cyg
RA 2000: 212111.5
DE 2000: +321129
RA 1950:
DE 1950:
Type of variability: RRAB
Max (mag): 10.93
Min (mag): 11.99
Photometric system: V
Epoch (JD): 42582.406
Period (d): 0.4198600
Year of outburst for N, SN:
M-m (or D): 13
Spectrum: A9-F6
Study reference: 04957
Chart or phot. ref.: 00522
Cases of non-existence:

GCVS NOTE result

P var. Max = 2425887.560 + 0.4198557d*E (JD2415200 - "25900) [03506] "(JD2425880 - 29250) [00522] "0.41985842d*E (JD2429250 - 37900) [03506] 2438677.708 + 0.4198619d*E (JD2438600 - 41250) "[07114] There is also Blazhko effect with the elements: "Max(O - C) = 2442978.97 + 26.01d*E [08853] -0.01 d< = O - C <= +0.01d. Delta(S) = 0.

GCVS NOTES fulltext search:  

NSV: Suspected Variable NSV  not found.

BRKA: Variable star DM Cyg not found.

MEKA: Variable star DM Cyg 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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