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Name
  VZ Cyg  
AAVSO UID
000-BCP-444 (762 observations)  
Constellation
Cygnus Sequence
J2000.0
21 51 41.44 +43 08 02.5  (327.92267 +43.13403) Search nearby
B1950.0 21 49 41.07 +42 53 55.8
Proper motion
RA: -3.538 +/- 0.090 mas/yDec: -3.822 +/- 0.089 mas/ySource: Gaia DR1
Galactic coord. 91.520 -8.511
Other names

(Internal only)
AAVSO 2147+42 AN 7.1904 ASASSN-V J215141.38+430802.6
BD+42 4233 HIP 107899  
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Variability type
DCEP
Spectral type F5-G0
Mag. range
8.6 - 9.28 V
Discoverer L. Ceraski
Epoch
23 Jan 1973 (HJD 2441705.702) Ephemeris
Outburst --
Period 4.864453 d
Rise/eclipse dur. 28%  (32.69 h)
Remarks
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1 GCVS Team P var. Max = 2437103.945 + 4.8645598d*E(JD2416000 - 41000); since JD2434000 - see Table.
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References
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1 L.Szabados, Bud Mitt N70, 1977. 1977CoKon..70....1S
2 W.Ceraski, Mosc Ann (2), 5, Kartenserie 2, 1909. --
External Links
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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 = 7.27H = 6.92K = 6.74J - K = 0.53
AllWISE W1 = 6.57W2 = 6.60W3 = 6.57W4 = 6.50W1 - W2 = -0.04W3 - W4 = 0.07
APASS-DR9 B = 10.24V = 9.24g' = 10.08r' = 8.83i' = 8.48B - V = 1.00
Images
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Supporting Documents
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Revision History
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3 Billiaert, Bruno 2015-12-28 15:56 UTC discoverer added (1904AN....164..351C)
2 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.

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