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Name
  NSV 25166  
AAVSO UID
000-BPX-783 (No observations)  
Constellation
Cygnus Sequence
J2000.0
20 30 34.97 +44 18 54.7  (307.64571 +44.31519) Search nearby
B1950.0 20 28 52.91 +44 08 45.4
Proper motion
RA: -2.465 +/- 0.031 mas/yDec: 1.003 +/- 0.026 mas/ySource: Gaia DR1
Galactic coord. 82.356 +2.957
Other names

(Internal only)
2MASS J20303498+4418548 ALS 11395 BD+43 3630
GC 28546 GCRV 12821 GSC 03165-00315
Gaia DR3 2070636448174993024 HD 195592 HIP 101186
Hilt 987 LS III +44 17 MCW 920
MWC 347 PPM 60052 SAO 49724
TIC 188005514 TYC 3165-315-1 [KW97] 47-21
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Variability type
ACYG
Spectral type O9.5Ia
Mag. range
7.06 - 7.13 V
Discoverer Hipparcos
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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References
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1 Gaia collaboration; et al., 2022, Gaia Data Release 3 (Gaia DR3) Part 4
Variability
2022yCat.1358....0G
2 C. Koen, L. Eyer, 2002, MNRAS 331, 45 2002MNRAS.331...45K
3 The Hipparcos and Tycho Catalogues, Vol.11 and Vol.17, CD-ROM No.1,
SP-1200, ESA, 1997.
1997ESASP1200.....P
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 = 5.08H = 4.91K = 4.62J - K = 0.46
AllWISE W1 = 4.44W2 = 4.05W3 = 4.14W4 = 3.79W1 - W2 = 0.39W3 - W4 = 0.35
APASS-DR9
Images
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Supporting Documents
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Revision History
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3 Otero, Sebastian Alberto 2024-07-29 23:40 UTC Range derived from Hipparcos and GCPD data. Type from 2022yCat.1358....0G.
2 Admin, VSX 2013-05-03 23:36 UTC Update from [2002MNRAS.331...45K].
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.