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Details for Revision 2
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Name
V0439 Cyg
AAVSO UID
000-BDC-281 (1079
observations
)
Constellation
Cygnus
Sequence
J2000.0
20 21 33.59 +37 24 51.7 (305.38996 +37.41436)
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B1950.0
20 19 41.53 +37 15 14.6
Galactic coord.
75.738 +0.354
Other names
(Internal only)
AN 537.1936
EM* AS 407
Hen 3-1887
MHA 328-74
MWC 1015
X 20197+372
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Variability type
GCAS:
Spectral type
B0pe
Mag. range
12.7 - 13.38 B
Discoverer
--
Epoch
--
Outburst
--
Period
260 d
Rise/eclipse dur.
--
Remarks
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1
Otero, Sebastian Alberto
LBV candidate not an ordinary Be star. V= 11.84; B-V= 1.54 (GCPD)
2
GCVS Team
In the region of the open cluster Berkeley 87 = OCL 161.
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References
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1
Chandra Detects the Rare Oxygen-type Wolf-Rayet Star WR 142 and OB Stars in
Berkeley 87
The Astrophysical Journal, 715, 1327 (2010)
2
G.Romano, Padova Publ N156, 1969.
--
3
MVS N270, 1957.
--
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Supporting Documents
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Stellar Association Membership
Berkeley 87
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
2010-10-12 01:35 UTC
New possible type.
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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