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Name
  V1343 Aql  
AAVSO UID
000-BCF-693 (14078 observations)  
Constellation
Aquila Sequence
J2000.0
19 11 49.57 +04 58 57.8  (287.95654 +4.98272) Search nearby
B1950.0 19 09 21.35 +04 53 54.0
Galactic coord. 39.694 -2.245
Other names

(Internal only)
1RXS J191149.7+045857 2MASS J19114957+0458578 3A 1909+048
AAVSO 1906+04 GSC 00471-01518 IOMC 0471000051
J1911+0458 SS 433 TXS 1909+048
X 19094+047    
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Variability type
HMXB+E
Spectral type A3/7I
Mag. range
13.0 - 15.13 V
Discoverer --
Epoch
03 Apr 1980 (HJD 2444332.94) Ephemeris
Outburst --
Period 13.0848 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Microquasar. Relativistic jets from a 20 solar mass-black hole.
2 GCVS Team SS 433. B-V = +2.0. Associated with the SNR W 50. Mean light varies in the range 14.0 - 14.6 V according to the elements Max = 2443662.5 + 165.5d*E [S.A.Gladyshev, V.P.Goranskij, N.E.Kurochkin, A.M.Cherepashchuk, Astron. Tsirk. N1146, 1980.]. The depth of Min I varies from 0.2m to 0.9m V, the depth of Min II varies from 0 to 0.4m V. Two systems of H, HeI, HeII emission lines are observed in the spectrum: the "stationary" system corresponding to Vr changes from 300 to 150 km/s with P = 13.1d, and the "relativistic" one, corresponding to Vr changes from +50000 to -35000 km/s with P = 165.5d. The spectral study [P.Murdin, D.H.Clark, P.G.Martin, MN 193, 135-151, 1980.]. The system apparently consists of an O - B star filling its inner Roche lobe and a compact object surrounded by an accretion disc wich is precessing with P = 165.5d. Two jets consisting of dense condensations of matter emerge from the system with relativistic velocity (0.27 c) in opposite directions. The luminosity of the disc amounts to not less than 60% of the total luminosity of the system [A.M.Cherepashchuk, MN 194, 761, 1981., N.G.Bochkarev, E.A.Karitskaya, N.E.Kurochkin, A.M.Cherepashchuk, Astron. Tsirk. N1147, 1980.]. The object may be a former supernova which bursted not more than 10**4 years ago.
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References
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1 Corral-Santana, J. M.; Casares, J.; Muņoz-Darias, T.; et al., 2016,
WATCHDOG: A Comprehensive All-sky Database of Galactic Black Hole X-ray
Binaries		 2016ApJS..222...15T
2 J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info)		 2012arXiv1210.0821A
3 Jet Propulsion of Wind Ejecta from a Major Flare in the Black Hole
Microquasar SS433		 2011ApJ...735L...7B
4 Jet Propulsion of Wind Ejecta from a Major Flare in the Black Hole
Microquasar SS433		 2011ApJ...735L...7B
5 C.A.Gladyshev, V.P.Goranskij, N.E.Kurochkin, A.M.Cherepashchuk, Astron.
Tsirk. N1145, 1980.		 --
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Supporting Documents
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Revision History
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6 Otero, Sebastian Alberto 2018-07-19 22:54 UTC Range from AAVSO V data.
5 Otero, Sebastian Alberto 2018-02-28 02:56 UTC Type from 2016ApJS..222...15T. UCAC4 position.
4 Otero, Sebastian Alberto 2015-02-09 19:04 UTC Type revised.
3 Otero, Sebastian Alberto 2011-08-11 19:34 UTC Type from 2011ApJ...735L...7B. Spectral type from Skiff (2010). UCAC3 position.
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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