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Details for Revision 1
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Name
  NSV 25121  
AAVSO UID
000-BPK-914 (6 observations)  
Constellation
Cygnus Sequence
J2000.0
20 22 00.00 +37 26 24.0  (305.50000 +37.44000) Search nearby
B1950.0 20 20 07.92 +37 16 45.3
Galactic coord. 75.809 +0.297
Other names

(Internal only)
2MASS J20215994+3726235 ALS 18766 ASASSN-V J202159.94+372623.9
Berkeley 87 38 GSC 02684-00004 HBHA 3703-33
TIC 13557667 UCAC4 638-093605 VES 204
[KW97] 45-52 [MS2011b] Berkeley 87 1  
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Variability type --
Spectral type ea
Mag. range
12.25 - 12.51 V
Discoverer --
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Combined magnitudes of a 1.3" pair (G= 12.3 and 12.6). The brighter star (V= 13.1) has been chosen as the variable.
2 Otero, Sebastian Alberto VSP Note: 12.6 Gmag. star 1.3" to the SSE.
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References
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1 Henden, A. A.; et al., 2018, AAVSO Photometric All Sky Survey (APASS) DR10 2018AAS...23222306H
2 Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1.0
2017PASP..129j4502K
3 Mathew, B.; Subramaniam, A., 2011, Optical spectroscopy of Classical Be
stars in open clusters
2011BASI...39..517M
4 G.V.Coyne, W.Wisniewski, C.Corbally, Vatican Publ 1, No.6, 197, 1975. 1975VatOP...1..197C
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Supporting Documents
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Stellar Association Membership
 Berkeley 87 Open Cluster 2012A&A...548A..97Z
Revision History
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2 Otero, Sebastian Alberto 2022-08-10 19:34 UTC Spectral type from 2011BASI...39..517M. Minimum magnitude from ASAS-SN and APASS data. Gaia DR3 position.
1 Admin, VSX 2005-12-18 01:33 UTC Preserved original object data.