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  Y Sgr  
000-BCC-110 (2833 observations)  
Sagittarius Sequence
18 21 22.99 -18 51 36.0  (275.34579 -18.86000) Search nearby
B1950.0 18 18 26.52 -18 53 02.6
Proper motion
RA: -3.12 +/- 0.45 mas/yDec: -7.01 +/- 0.28 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 12.789 -2.136
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 1815-18 ASAS J182123-1851.5 BD-18 4926
HD 168608 HIP 89968 HR 6863
SAO 161376    
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Variability type
Spectral type F5-G0Ib-II
Mag. range
5.25 - 6.24 V
Discoverer --
21 May 1988 (HJD 2447303.129) Ephemeris
Outburst --
Period 5.773383 d
Rise/eclipse dur. 34%
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1 GCVS Team In the region of the open cluster M25 (IC 4725).
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Click reference title/citation to view in new window. Roll over index number to view submission details.
1 Breitfelder, J.; et al., 2016, Observational calibration of the projection
factor of Cepheids. II. Application to nine Cepheids with HST/FGS parallax
2 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
3 Kyoto Bull N23, 1922. --
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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 = 3.92H = 3.56K = 3.50J - K = 0.42
AllWISE W1 = 3.61W2 = 3.34W3 = 3.62W4 = 3.60W1 - W2 = 0.27W3 - W4 = 0.02
Please review Digitized Sky Survey Acknowledgment and Copyright.
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Supporting Documents
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Revision History
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3 Billiaert, Bruno 2016-02-03 08:14 UTC Period and epoch from 2016arXiv160104727B.
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.