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Name
  NSV 25395  
AAVSO UID
000-BPZ-744 (No observations)  
Constellation
Cygnus Sequence
J2000.0
20 54 22.25 +40 42 10.7  (313.59271 +40.70297) Search nearby
B1950.0 20 52 30.14 +40 30 42.5
Proper motion
RA: 8.30 +/- 0.33 mas/yDec: 1.22 +/- 0.41 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 82.212 -2.719
Other names

(Internal only)
ADS 14413 BD+40 4354 CCDM J20544+4042A
GSC 03171-01117 HD 199218 HIP 103189
HR 8009 Hen 3-1921 MWC 356
PPM 60659 SAO 50209 TIC 195139471
TYC 3171-1117-1 WDS J20544+4042A [KW97] 51-56
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Variability type
SPBe
Spectral type B8Vnne
Mag. range
6.69 V (0.002)TESS
Discoverer --
Epoch
03 Sep 2022 (HJD 2459826.016) Ephemeris
Outburst --
Period 0.16079 d  (3.859 h)
Rise/eclipse dur. --
Remarks
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1 GCVS Team AB: 6.5, 10.7, 6", 3deg.
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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 J.R.Percy, B.L.Coffin, G.A.Drukier, R.P.Ford, R.Plume, M.G.Richer,
R.Spalding, PASP 100, No.634, 1555, 1988.
1988PASP..100.1555P
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 = 6.69H = 6.73K = 6.70J - K = -0.01
AllWISE W1 = 6.50W2 = 6.31W3 = 5.78W4 = 4.96W1 - W2 = 0.19W3 - W4 = 0.82
Images
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Supporting Documents
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1 Phase plot Otero, Sebastian Alberto 2024-11-06 21:40 UTC Phase plot with TESS-SPOC data.
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Revision History
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2 Otero, Sebastian Alberto 2024-11-06 21:40 UTC Type, period, epoch and amplitude from TESS-SPOC data. Mean magnitude derived from GCPD and Hipparcos data. Gaia DR3 position.
1 Admin, VSX 2005-12-18 01:33 UTC Preserved original object data.