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Details for Revision 4
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Name
  W Aql  
AAVSO UID
000-BCF-938 (7373 observations)  
Constellation
Aquila Sequence
J2000.0
19 15 23.38 -07 02 50.3  (288.84742 -7.04731) Search nearby
B1950.0 19 12 41.77 -07 08 08.5
Galactic coord. 29.339 -8.516
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 1910-07 ASAS J191523-0702.8 ASASSN-V J191523.48-070250.0
IOMC 5142000025 IRC -10497 RAFGL 2349
SAO 143184    
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Variability type
M
Spectral type S3,9e-S6,9e
Mag. range
7.3 - 14.3 V
Discoverer Leo de Ball (1893)
Epoch
24 Aug 2009 (HJD 2455068) Ephemeris
Outburst --
Period 479 d
Rise/eclipse dur. 36%  (172 d)
Remarks
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1 Otero, Sebastian Alberto Period changes.
2 GCVS Team S 6/6e. Composite spectrum near Min light; a companion (F5 - F8) may exist [G.H.Herbig, KVB N40, 164, 1965.].
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References
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1 Samus, N. N.; Kazarovets, E. V.; Durlevich, O. V.; et al., 2017, General
Catalogue of Variable Stars: Version GCVS 5.1 (November 2019)
2017ARep...61...80S
2 J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info)
2012arXiv1210.0821A
3 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
4 Cannon, A. J., 1907, Second catalogue of variable stars 1907AnHar..55....1C
5 T. Karlsson, Maxima of Mira stars --
6 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.
--
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Supporting Documents
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Campaigns/Programs
 LPV Program
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
5 Otero, Sebastian Alberto 2024-01-06 20:16 UTC Period, epoch and minimum magnitude from AAVSO data.
4 Fernig, Leo 2022-04-22 13:35 UTC Discoverer updated from 1907AnHar..55....1C page 24
3 Otero, Sebastian Alberto 2020-05-24 17:12 UTC Period, epoch and rise duration from the GCVS (November 2019 version).
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.