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Name
  XX Sct  
AAVSO UID
000-BCX-193 (1159 observations)  
Constellation
Scutum Sequence
J2000.0
18 39 36.99 -06 43 05.7  (279.90413 -6.71825) Search nearby
B1950.0 18 36 55.46 -06 45 52.3
Proper motion
RA: 4.7 +/- 10.4 mas/yDec: 0.8 +/- 9.6 mas/ySource: UCAC4
Galactic coord. 25.609 -0.445
Other names

(Internal only)
2MASS J18393700-0643057 AAVSO 1834-06 ASASSN-V J183936.91-064306.1
GDS_J1839369-064305 HV 3816  
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Variability type
UXOR
Spectral type G0-G2e
Mag. range
13.0 - 16.6 p
Discoverer Annie J. Cannon (1924)
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto J-K= 1.38; B-V= 0.94.
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References
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1 Bonjorni, J.; Samus, N., 2000, Classification of the Enigmatic Nantucket
Variable XX Sct
2000JAVSO..28...87B
2 D. Cieslinski, J.E. Steiner , F.J. Jablonski, 1998, Astron. Astrophys.
Suppl. Ser. 131, 119
1998A&AS..131..119C
3 G.A.Bakos, Leid Ann 20, N4, 1950. --
4 Guthnick, P.; et al., 1925, Benennung von neu entdeckten veränderlichen
Sternen
1925AN....224..129G
External Links
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Location    Go   
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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 = 11.06H = 10.28K = 9.68J - K = 1.38
AllWISE W1 = 8.94W2 = 8.12W3 = 4.90W4 = 2.12W1 - W2 = 0.82W3 - W4 = 2.77
APASS-DR9 B = 14.60V = 13.78g' = 14.14r' = 13.47i' = 12.91B - V = 0.82
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 18 39 36.99 -06 43 05.7 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Campaigns/Programs
 YSO Program
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
5 Fernig, Leo 2023-07-05 21:37 UTC Discoverer updated from 1925AN....224..129G page 141.
4 Otero, Sebastian Alberto 2012-12-12 09:50 UTC Type and range from JAAVSO, 28, 87.
3 Admin, VSX 2012-08-09 01:50 UTC Update from [1998A&AS..131..119C ].
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.