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Latest Details
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Name
  V1229 Cyg  
AAVSO UID
000-BDP-129 (6 observations)  
Constellation
Cygnus Sequence
J2000.0
21 09 38.02 +38 12 45.8  (317.40843 +38.21272) Search nearby
B1950.0 21 07 39.93 +38 00 30.9
Proper motion
RA: 1.0 +/- 2.4 mas/yDec: -0.4 +/- 2.5 mas/ySource: UCAC4
Galactic coord. 82.282 -6.575
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J21093802+3812458 ASASSN-V J210937.94+381245.4 ATO J317.4084+38.2127
GSC 03168-02233 Mis V0779 NSVS 5888685
NSVS 8667239 NSVS 8689694 SON 9111
UCAC3 257-231481    
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Variability type
EA
Spectral type --
Mag. range
12.71 - 14.63 V
Discoverer --
Epoch
04 Sep 1964 (HJD 2438643.44) Ephemeris
Outburst --
Period 35.96776 d
Rise/eclipse dur. 7%  (2.518 d)
Remarks
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1 Otero, Sebastian Alberto Min II= 12.80V. g range 12.96 - 15.30 (Min II= 13.02).
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References
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1 Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1.0		 2017PASP..129j4502K
2 S. Yoshida, 2012, MISAO project (online data) --
3 Wozniak, P. R.; et al., 2004, Northern Sky Variability Survey: Public Data
Release		 2004AJ....127.2436W
4 S. Yoshida, 2000 (http://www.aerith.net/misao/data/misv.cgi?en). --
5 T. Kato, Precise Coordinates of Variable Stars (8) 1999IBVS.4799....1K
6 C.Hoffmeister, AN 289, N1-2, 1, 1966. 1966AN....289....1H
External Links
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Location    Go   
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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 = 11.04H = 10.43K = 10.29J - K = 0.75
AllWISE W1 = 10.14W2 = 10.20W3 = 10.06W1 - W2 = -0.06
APASS-DR9 B = 13.39V = 12.74g' = 13.02r' = 12.52i' = 12.30B - V = 0.65
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 21 09 38.02 +38 12 45.8 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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1 Phase plot Otero, Sebastian Alberto 2020-04-20 23:24 UTC Phase plot with ASAS-SN data.
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Stellar Association Membership
 ASCC 113 Open Cluster 2012A&A...548A..97Z
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
5 Otero, Sebastian Alberto 2020-06-09 02:27 UTC Eclipse duration from NSVS data. Gaia DR2 position.
4 Otero, Sebastian Alberto 2020-04-20 23:24 UTC Period, epoch, eclipse duration and range from ASAS-SN data. Gaia DR2 position.
3 Otero, Sebastian Alberto 2011-01-12 05:25 UTC Primary record creation. Identification revised according to reference. UCAC3 position.
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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