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Name
  TY Sct  
AAVSO UID
000-BCX-191 (5350 observations)  
Constellation
Scutum Sequence
J2000.0
18 42 07.90 -04 17 37.0  (280.53292 -4.29361) Search nearby
B1950.0 18 39 29.21 -04 20 34.5
Galactic coord. 28.051 +0.108
Other names

(Internal only)
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AAVSO 1836-04B AN 8.1921 ASAS J184208-0417.6
HIP 91706    
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Variability type
DCEP
Spectral type F7-G5
Mag. range
10.31 - 11.25 V
Discoverer --
Epoch
18 Mar 1961 (HJD 2437377.09) Ephemeris
Outburst --
Period 11.05302 d
Rise/eclipse dur. 47%  (5.195 d)
Remarks
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1 GCVS Team [A/H] = -0.3. In the region of the open cluster Tr 35.
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References
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1 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
2 N.E.Kurochkin, Perem. Zvezdy 10, N3, 171, 1955. 1954PZ.....10..171K
3 P.Th.Oosterhoff, BAN 9, 399, 1943. 1943BAN.....9..399O
4 Catalogue of Stellar Spectral Classifications (Skiff, 2005) 1930BHarO.874...19C
5 Hartwig, E., 1922, Benennung von neu entdeckten veraenderlichen Sternen 1922AN....215..185H
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Supporting Documents
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Revision History
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3 Fernig, Leo 2023-03-29 20:26 UTC Discoverer updated from 1922AN....215..185H page 192.
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.