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Name
UX Cyg
AAVSO UID
Constellation
J2000.0
B1950.0
20 53 00.16 +30 13 22.5
Proper motion
RA: -8.9 +/- 1.6 mas/y Dec: -9.8 +/- 2.5 mas/y Source: UCAC4
Galactic coord.
74.344 -9.408
Other names
(Internal only)
2MASS J20550551+3024520
AAVSO 2050+30A
AN 96.1901
ASASSN-V J205505.60+302451.7
BD+29 4231
DO 19656
HD 199252
IRAS 20529+3013
IRC +30464
RAFGL 2677
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Variability type
M
Spectral type
M4e-M6.5e
Mag. range
9.0 - 17.0 V
Discoverer
Arthur Williams (1901)
Epoch
Outburst
--
Period
569 d
Rise/eclipse dur.
40% (228 d)
Remarks
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1
GCVS Team
P var. Max = 2432444 + 560.3d*E (JD2415670 - 32450); Max = 2439352 + 578.0d*E (JD2432450 - 40500); since JD2437600 - see Table. Sometimes rapid light decreases on the ascending branch near Max are observed [V.Osvalds, PASP 67, 417, 1955. , M.W.Mayall, JRAS Can 50, N3, 135, 1956. ]. H2O, OH, SiO maser.
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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 = 2.91 H = 1.89 K = 1.40 J - K = 1.51
AllWISE
W3 = -1.33 W4 = -2.80 W3 - W4 = 1.47
Images
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Supporting Documents
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Revision History
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