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Details for Revision 3
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  LX Cyg  
000-BCP-624 (2707 observations)  
Cygnus Sequence
21 55 57.03 +48 20 52.5  (328.98762 +48.34792) Search nearby
B1950.0 21 54 02.11 +48 06 35.7
Galactic coord. 95.396 -4.916
Other names

(Internal only)
2MASS J21555703+4820525 AAVSO 2152+47A AN 348.1929
CSS 1286 GSC 03608-00738 IOMC 3608000087
IRAS 21540+4806 S1* 696 TYC 3608-738-1
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Variability type
Spectral type SC3e-SC8e
Mag. range
9.1 - 15.1 V
Discoverer --
07 Dec 1999 (HJD 2451520) Ephemeris
Outburst --
Period 588 d
Rise/eclipse dur. --
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1 Otero, Sebastian Alberto Period increased from 460 d. to 588 d. between 1975 and 1995. Spectral type changed from S to SC and finally to C.
2 Otero, Sebastian Alberto VSP Note: 13.1 mag. star 10" to the S and 15.1 mag. star 13" to the SE.
3 GCVS Team P var. Max = 2432775 + 460.0d*E (JD2415000 - 33300) [N.K.Semakin, Perem. Zvezdy 10, N2, 100, 1955.]; since JD2437900 - see Table. SC 7/9-e - SC 8/8.5e.
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Click reference title/citation to view in new window. Roll over index number to view submission details.
1 Gaia Collaboration; et al., 2018, Gaia Data Release 2. Summary of the
contents and survey properties
2 Uttenthaler, S.; Meingast, S.; Lebzelter, T.; et al., 2016, LX Cygni: A
carbon star is born
3 J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info)
4 N.K.Semakin, Perem. Zvezdy 10, N2, 100, 1955. 1954PZ.....10..100S
5 T. Karlsson, Maxima of Mira stars --
6 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.
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 LPV Double Trouble Campaign
 Percy's Unusual LPVs
Revision History
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5 Otero, Sebastian Alberto 2020-05-14 20:51 UTC Gaia DR2 position.
4 Otero, Sebastian Alberto 2016-11-01 15:04 UTC Spectral type from 2016A&A...585A.145U.
3 Otero, Sebastian Alberto 2014-03-04 21:55 UTC Period, epoch and range from AAVSO data. UCAC4 position.
2 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.