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Details for Revision 1
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Name
  V1644 Cyg  
AAVSO UID
000-BCV-753 (No observations)  
Constellation
Cygnus Sequence
J2000.0
20 14 32.00 +36 48 23.0  (303.63333 +36.80639) Search nearby
B1950.0 20 12 39.90 +36 39 11.3
Galactic coord. 74.448 +1.172
Other names

(Internal only)
29 Cyg AAVSO 2010+36 BD+36 3955
HD 192640 HIP 99770 HR 7736
SAO 69678    
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Variability type
DSCTC
Spectral type A2V
Mag. range
4.94 - 4.97 V
Discoverer --
Epoch
--
Outburst --
Period 0.031 d  (45 min)
Rise/eclipse dur. --
Remarks
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References
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1 Perryman, M. A. C., et al., 1997, The HIPPARCOS Catalogue 1997HIP...C......0E
2 D.R.Gies, J.R.Percy, AJ 82, 166, 1977. 1977AJ.....82..166G
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Supporting Documents
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Stellar Association Membership
 ASCC 111 Open Cluster 2012A&A...548A..97Z
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
3 Otero, Sebastian Alberto 2021-12-15 03:58 UTC Maximum magnitude from Hipparcos data.
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.