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Name
  XY Lyr  
AAVSO UID
000-BCC-857 (19723 observations)  
Constellation
Lyra Sequence
J2000.0
18 38 06.48 +39 40 06.0  (279.52700 +39.66833) Search nearby
B1950.0 18 36 27.36 +39 37 23.2
Proper motion
RA: 6.58 +/- 0.30 mas/yDec: 9.46 +/- 0.48 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 68.411 +19.323
Other names

(Internal only)
2MASS J18380648+3940061 AAVSO 1834+39 AN 21.1919
BD+39 3476 Gaia DR3 2098074279806975488 HD 172380
HIP 91373 HR 7009 IRC +40323
RAFGL 2217 SAO 67193 TIC 157650609
TYC 3109-2453-1 WISEA J183806.48+394005.9  
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Variability type
SRC
Spectral type M4-5Ib-II
Mag. range
5.6 - 6.6 V
Discoverer --
Epoch
--
Outburst --
Period 120 d
Rise/eclipse dur. --
Remarks
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References
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1 C. Koen, L. Eyer, 2002, MNRAS 331, 45 2002MNRAS.331...45K
2 IBVS #5041 2001IBVS.5041....1P
3 G.V.Abramyan, Soobshch. Byurakan. Obs. N53, 3, 1962. 1982SoByu..53....3A
4 I.V.Matveev, A.A.Cazanov, Perem. Zvezdy 11, N3, 213, 1958. --
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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 = 0.89H = -0.00K = -0.21J - K = 1.10
AllWISE W3 = -0.41W4 = -0.71W3 - W4 = 0.30
Images
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Supporting Documents
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Campaigns/Programs
 Binocular program
 LPV Program
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
3 Otero, Sebastian Alberto 2011-07-27 04:43 UTC Period from reference. Range from AAVSO V-data.
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.