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Name
  V1104 Sco  
AAVSO UID
000-BCX-178 (1940 observations)  
Constellation
Scorpius Sequence
J2000.0
17 06 53.91 -42 36 39.7  (256.72463 -42.61103) Search nearby
B1950.0 17 03 20.53 -42 32 41.9
Proper motion
RA: 2.6 +/- 1.3 mas/yDec: -1.4 +/- 2.3 mas/ySource: UCAC4
Galactic coord. 344.297 -1.157
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 1659-42 ASAS J170654-4236.6 ASASSN-V J170653.83-423639.5
CD-42 11834 CPD-42 7632 GDS_J1706539-423639
GSC 07877-00311 HD 326823 Hen 3-1330
PPM 762486    
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Variability type
SDOR:
Spectral type B1.5(e)
Mag. range
8.88 - 9.20 V
Discoverer --
Epoch
22 May 2009 (HJD 2454973.67) Ephemeris
Outburst --
Period 6.123 d
Rise/eclipse dur. --
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 Otero, Sebastian Alberto ASAS light curve (2001-2009) shows a bump in the descending branch reminiscent of CW stars. LTPV data (1988-1994) show the same light curve but with a shorter period of 6.119 d. This kind of periodic variability is not shown by the known SDOR stars. Double system with a CW component?
2 Otero, Sebastian Alberto Dormant SDOR star.
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References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
2 S Doradus variables in the Galaxy and the Magellanic Clouds 2001A&A...366..508V
3 C.Sterken, O.Stahl, B.Wolf, Th.Szeifert, A.Jones, AsAp 303, No.3, 766,
1995.		 1995A&A...303..766S
4 UBV photometry of OB+ stars in the southern Milky Way 1991ApJS...76.1033D
External Links
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Location    Go   
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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 = 6.71H = 6.10K = 5.45J - K = 1.26
AllWISE W1 = 4.53W2 = 3.51W3 = 2.83W4 = 1.99W1 - W2 = 1.02W3 - W4 = 0.84
APASS-DR9 B = 10.07V = 9.09g' = 10.06r' = 8.77i' = 8.35B - V = 0.98
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 17 06 53.91 -42 36 39.7 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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1 V1104 Sco light curve Otero, Sebastian Alberto 2010-01-02 01:09 UTC Light curve of the SDOR candidate showing its periodic behaviour. ASAS-3 data used.
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
3 Otero, Sebastian Alberto 2010-01-02 01:09 UTC ASAS period for this star is essentially right. Range updated and epoch and period added from ASAS data.
2 Otero, Sebastian Alberto 2007-03-18 22:09 UTC New range from Drilling (1991) and LTPV data.
NOMAD position given.
1 Admin, VSX 2005-12-18 01:33 UTC Initial database population.

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