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Latest Details
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Name
  del Sct  
AAVSO UID
000-BCD-005 (1121 observations)  
Constellation
Scutum Sequence
J2000.0
18 42 16.43 -09 03 09.2  (280.56846 -9.05256) Search nearby
B1950.0 18 39 32.17 -09 06 07.2
Proper motion
RA: 9.21 +/- 0.33 mas/yDec: 0.82 +/- 0.22 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 23.833 -2.098
Other names

(Internal only)
2 Aql AAVSO 1836-09 ADS 11581 A
ASASSN-V J184216.43-090309.2 BD-09 4796 HD 172748
HIP 91726 HR 7020 SAO 142515
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Variability type
DSCT
Spectral type F3IIIp
Mag. range
4.6 - 4.79 V
Discoverer --
Epoch
23 Aug 1977 (HJD 2443379.05) Ephemeris
Outburst --
Period 0.1937697 d  (4.65047 h)
Rise/eclipse dur. --
Remarks
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1 GCVS Team VB A (B 10m, 53", 130deg); (k - b)2 = 0.37. The basic light variation P0 (A0 = 0.125m) given in the Table is superposed by the secondary one with P1 = 0.1867756 (A1 = 0.034) [L.A.Balona, J.F.Dean, R.S.Stobie, MN 194, 125, 1981.].
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References
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1 A.J.Campos, M.A.Smith, ApJ 238, 667, 1980. 1980ApJ...238..667C
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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 = 4.22H = 3.98K = 3.95J - K = 0.27
AllWISE W1 = 3.67W2 = 3.45W3 = 3.83W4 = 3.83W1 - W2 = 0.22W3 - W4 = -0.00
Images
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Supporting Documents
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Revision History
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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.

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