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Name
  Y Sct  
AAVSO UID
000-BCC-855 (143 observations)  
Constellation
Scutum Sequence
J2000.0
18 38 03.31 -08 22 08.2  (279.51379 -8.36894) Search nearby
B1950.0 18 35 19.85 -08 24 47.9
Proper motion
RA: 1.03 +/- 1.73 mas/yDec: -2.20 +/- 1.30 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 23.964 -0.858
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 1832-08 AN 58.1907 ASAS J183803-0822.1
ASASSN-V J183803.22-082208.5 BD-08 4663 GDS_J1838033-082208
HIP 91366 HV 2912 IOMC 5691000023
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Variability type
DCEP
Spectral type F8-G3
Mag. range
9.22 - 10.02 V
Discoverer Annie J. Cannon (1907)
Epoch
23 Jul 1954 (HJD 2434947.2) Ephemeris
Outburst --
Period 10.341504 d
Rise/eclipse dur. 46%  (4.7571 d)
Remarks
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1 GCVS Team In the region of the open cluster NGC 6664.
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References
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1 J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info)
2012arXiv1210.0821A
2 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
3 Th.Walraven, A.B.Mueller, P.Th.Oosterhoff, BAN 14, 81, 1958. 1958BAN....14...81W
4 D.O'Connell, Riv Publ 2, N4, 1948. --
5 Dunér, N. C.; Hartwig, E.; Muller, G., 1907, Benennung von neu entdeckten
veränderlichen Sternen
1907AN....176..181.
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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 = 6.48H = 5.85K = 5.59J - K = 0.89
AllWISE W1 = 5.49W2 = 5.39W3 = 5.61W4 = 5.35W1 - W2 = 0.10W3 - W4 = 0.26
APASS-DR9 B = 11.38V = 9.89g' = 10.69r' = 9.20i' = 8.43B - V = 1.50
Images
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Supporting Documents
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Revision History
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3 Fernig, Leo 2022-09-21 20:29 UTC Discoverer updated from 1907AN....176..181. p190
2 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.