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Name
USNO-B1.0 1353-0398277
AAVSO UID
000-BJR-848 (No observations)
Constellation
Cygnus
Sequence
J2000.0
20 49 04.24 +45 22 23.0 (312.26767 +45.37306)
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B1950.0
20 47 20.62 +45 11 11.7
Galactic coord.
85.193 +1.004
Other names
(Internal only)
UCAC3 271-196278
VSX J204904.2+452223
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Variability type
EW
Spectral type
--
Mag. range
14.3 - 14.6 clear
Discoverer
Marcin Wardak
Epoch
19 Sep 2009 (HJD 2455093.58)
Ephemeris
Outburst
--
Period
0.3055 d (7.33 h)
Rise/eclipse dur.
--
Remarks
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References
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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 = 13.11
H = 12.78
K = 12.58
J - K = 0.53
AllWISE
W1 = 12.22
W2 = 12.25
W3 = 11.21
W4 = 8.84
W1 - W2 = -0.04
W3 - W4 = 2.37
SDSS-DR12
u = 18.02
g = 15.98
r = 15.07
i = 14.64
z = 14.29
u - g = 2.03
r - i = 0.44
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2
result file for 4 sessions in aavso format
Wardak, Marcin
2009-11-25 22:19 UTC
Result data collected between 2009.09.19 and 2009.11.14
1
periodogram
Wardak, Marcin
2009-11-25 22:19 UTC
Periodogram made by. S. Otero on result file.
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Revision History
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1
Wardak, Marcin
2009-11-27 01:37 UTC
Initial submission.
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