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Name
  AH Sco  
AAVSO UID
000-BBY-609 (1948 observations)  
Constellation
Scorpius Sequence
J2000.0
17 11 17.02 -32 19 30.7  (257.82092 -32.32519) Search nearby
B1950.0 17 08 02.08 -32 15 52.2
Proper motion
RA: -1.37 +/- 0.76 mas/yDec: -2.37 +/- 0.49 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 353.084 +4.271
Other names

(Internal only)
AAVSO 1704-32 AN 223.1907 ASASSN-V J171117.08-321932.1
CD-32 12429 CPD-32 4382 HD 155161
HIP 84071 HV 3059 IRAS 17080-3215
IRC -30282 RAFGL 1927 SAO 208506
TYC 7365-527-1    
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Variability type
SRC
Spectral type M4e-M5Ia-Iab
Mag. range
6.7 - 9.5 V
Discoverer Henrietta Leavitt (1907)
Epoch
19 Mar 2009 (HJD 2454910) Ephemeris
Outburst --
Period 735 d
Rise/eclipse dur. 46%  (338 d)
Remarks
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1 GCVS Team OH, H2O, SiO maser.
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References
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1 H.H.Swope, HB N887, 1932. 1932BHarO.887....6S
2 Dunér, N. C.; Hartwig, E.; Muller, G., 1912, Benennung von neu entdeckten
veränderlichen Sternen
1912AN....191..341.
3 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.
--
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 = 1.88H = 1.01K = 0.41J - K = 1.47
AllWISE W4 = -3.23
APASS-DR9 B = 10.40V = 8.54g' = 9.75r' = 7.32i' = 5.35B - V = 1.85
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 17 11 17.02 -32 19 30.7 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Campaigns/Programs
 Binocular program
 SNEWS Campaign
Revision History
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4 Fernig, Leo 2022-11-15 22:34 UTC Discoverer updated from 1912AN....191..341. page 352.
3 Otero, Sebastian Alberto 2011-07-15 08:07 UTC Period and epoch from ASAS-3 data. Range from ASAS-3 and AAVSO data.
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.