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Name
  NSV 25003  
AAVSO UID
000-BPS-154 (No observations)  
Constellation
Cygnus Sequence
J2000.0
20 05 39.80 +35 36 28.0  (301.41583 +35.60778) Search nearby
B1950.0 20 03 46.92 +35 27 49.4
Proper motion
RA: -3.061 +/- 0.057 mas/yDec: -6.704 +/- 0.062 mas/ySource: Gaia DR1
Galactic coord. 72.467 +2.018
Other names

(Internal only)
ADS 13361 A BD+35 3949 HD 190864
HIP 98976 SAO 69391  
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Variability type
VAR
Spectral type O7III(f)
Mag. range
7.75 - 7.79 V
Discoverer --
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Possible periods in TESS data 0.46235 and 1.2540 d.
2 GCVS Team Blue straggler. B, a, b: see No.25001.
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References
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1 Ricker, G. R.; et al., 2014, Transiting Exoplanet Survey Satellite (TESS) 2014SPIE.9143E..20R
2 Perryman, M. A. C.; et al., 1997, The HIPPARCOS and TYCHO catalogues 1997HIP...C......0E
3 J.-C.Mermilliod, AsAp 109, No.1, 37, 1982. 1982A&A...109...37M
4 A.A.Hoag, H.L.Johnson, B.Iriarte, R.I.Mitchell, K.L.Hallam, S.Sharpless,
Naval Obs Publ, 2nd ser., 17, part 7, 360, 1961.
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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 = 7.26H = 7.28K = 7.26J - K = -0.01
AllWISE W1 = 7.20W2 = 7.27W3 = 7.17W4 = 6.67W1 - W2 = -0.07W3 - W4 = 0.50
APASS-DR9 B = 7.96V = 7.79g' = 7.83r' = 7.78i' = 7.78B - V = 0.17
Images
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Supporting Documents
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1 Subset TESS data Otero, Sebastian Alberto 2023-11-06 16:00 UTC JD light curve of a portion of a TESS data showing complex behaviour.
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Stellar Association Membership
 NGC 6871 Open Cluster 2012A&A...548A..97Z
Revision History
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2 Otero, Sebastian Alberto 2023-11-06 16:00 UTC Range derived from Hipparcos and GCPD data. Type and periods from TESS data.
1 Admin, VSX 2005-12-18 01:33 UTC Preserved original object data.