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Details for Revision 2
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Name
  sig Aql  
AAVSO UID
000-BCH-407 (35 observations)  
Constellation
Aquila Sequence
J2000.0
19 39 11.64 +05 23 52.0  (294.79850 +5.39778) Search nearby
B1950.0 19 36 43.60 +05 16 56.5
Galactic coord. 43.267 -8.071
Other names

(Internal only)
44 Aql 44 Aql ADS 12737
ADS 12737 A BD+05 4225 HD 185507
HIP 96665 HR 7474 SAO 124903
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Variability type
EB/DM
Spectral type B3V+B3V
Mag. range
5.14 (0.2) V
Discoverer --
Epoch
11 Jun 1920 (HJD 2422486.797) Ephemeris
Outburst --
Period 1.95026 d
Rise/eclipse dur. --
Remarks
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1 Quadri, Ulisse Min II= 5.30 V.
2 GCVS Team ADS 12737 A (B 12.34m, 48", 328deg). Depth of Min II 0.1m. In [D.G.Monet, ApJ 237, 513, 1980.] P = 1.950271d is given according to spectroscopic data.
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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 Bob Nelson's O-C files, 2016 --
3 Ricker, G. R.; et al., 2014, Transiting Exoplanet Survey Satellite (TESS) 2014SPIE.9143E..20R
4 C.C.Wylie, ApJ 56, 232, 1922. 1922ApJ....56..232W
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Supporting Documents
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1 Phase plot Quadri, Ulisse 2022-10-04 13:05 UTC Phase plot with TESS and Hipparcos data.
Data of Tess and Hipparcos shiffted to V (Jhonson) magnitude.
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Quadri, Ulisse 2022-09-30 16:59 UTC Period, epoch and range derived from Hipparcos and GCPD data.
3 Otero, Sebastian Alberto 2020-06-29 23:32 UTC Type, period, epoch and eclipse 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.