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Name
RS Cyg
AAVSO UID
Constellation
J2000.0
B1950.0
20 11 34.66 +38 34 36.8
Proper motion
RA: 8.267 +/- 0.044 mas/y Dec: 1.232 +/- 0.046 mas/y Source: Gaia DR1
Galactic coord.
75.927 +2.422
Other names(Internal only)
AAVSO 2009+38
BD+38 3957
HD 192443
HIP 99653
Hen 3-1852
IOMC 3151000049
IRC +40397
RAFGL 2528
SAO 69636
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Variability type
SRA
Spectral type
C8,2e(N0pe)
Mag. range
6.5 - 9.5 V
Discoverer
Thomas Espin (1887)
Epoch
Outburst
--
Period
417.39 d
Rise/eclipse dur.
--
Remarks
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1
GCVS Team
VB A (B 7.09m, 132", 355deg; C 9.3m, 56", 106deg). Epoch of light minimum is given. The shape of the light curve strongly varies. Double maxima are sometimes observed (Min II at the phase 0.5P).
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References
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1
J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
2012arXiv1210.0821A
2
G.Romano, Padova Publ N156, 1969.
--
3
Cannon, A. J., 1907, Second catalogue of variable stars
1907AnHar..55....1C
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Location
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SkyMorph
Kamogata Wide-field Survey (KWS)
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Catalog Data
Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service . These data may not be complete.
2MASS
J = 3.21 H = 1.99 K = 1.32 J - K = 1.89
AllWISE
W3 = 0.46 W4 = 0.19 W3 - W4 = 0.27
APASS-DR9
B = 11.47 V = 7.70 g' = 9.22 r' = 6.82 i' = 5.58 B - V = 3.78
Images
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Supporting Documents
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Campaigns/Programs
Binocular program
Legacy LPV Program
LPV Program
LPV Humps
Percy's Unusual LPVs
Revision History
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