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Name
  TT Aql  
AAVSO UID
000-BCF-419 (9849 observations)  
Constellation
Aquila Sequence
J2000.0
19 08 13.75 +01 17 55.2  (287.05729 +1.29867) Search nearby
B1950.0 19 05 41.43 +01 13 06.8
Proper motion
RA: -0.432 +/- 0.098 mas/yDec: -4.706 +/- 0.060 mas/ySource: Gaia DR1
Galactic coord. 36.006 -3.141
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 1903+01 AN 64.1907 ASAS J190814+0117.9
BD+01 3899 HD 178359 HIP 93990
HV 2918 IOMC 0463000019 SAO 124305
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Variability type
DCEP
Spectral type F6-G5
Mag. range
6.46 - 7.7 V
Discoverer --
Epoch
28 Oct 1960 (HJD 2437236.1) Ephemeris
Outburst --
Period 13.7546 d
Rise/eclipse dur. 34%
Remarks
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1 GCVS Team B - V: +0.96, +1.62. P var. [P.P.Parenago, Perem. Zvezdy 11, N4, 236, 1958.]. Before JD2418035 P = 13.7518d. Current elements - see Table.
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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 V.P.Zessewitsch, Variable Stars and Methods of Their Studies, (in russian)
M., 1970.
--
4 G.S.Tsarevsky, IBVS N176, 1966. 1967IBVS..176....1T
External Links
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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 = 4.85H = 4.45K = 4.21J - K = 0.65
AllWISE W1 = 3.92W2 = 3.43W3 = 3.92W4 = 3.80W1 - W2 = 0.49W3 - W4 = 0.12
APASS-DR9
Images
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Supporting Documents
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Revision History
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2 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.