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Name
  NSV 24405  
AAVSO UID
000-BCC-035 (11 observations)  
Constellation
Hercules Sequence
J2000.0
18 20 17.90 +21 57 40.7  (275.07460 +21.96130) Search nearby
B1950.0 18 18 10.95 +21 56 19.6
Proper motion
RA: 17.78 +/- 0.20 mas/yDec: -59.59 +/- 0.21 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 49.625 +16.400
Other names

(Internal only)
106 Her BD+21 3390 HD 168720
HIP 89861 HR 6868 IRC +20361
RAFGL 2128 SAO 85941  
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Variability type
SR:
Spectral type M1III
Mag. range
4.9 - 4.95 V
Discoverer --
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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1 GCVS Team Time scale of variability > 40d. Hp = 5.00 - 5.05 [The Hipparcos and Tycho Catalogues, Vol.11 and Vol.17, CD-ROM No.1, SP-1200, ESA, 1997.].
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References
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1 C. Koen, L. Eyer, 2002, MNRAS 331, 45 2002MNRAS.331...45K
2 J.R.Percy, PASP 105, No.694, 1422, 1993. 1993PASP..105.1422P
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 = 1.76H = 0.88K = 0.75J - K = 1.01
AllWISE W3 = 0.86W4 = 0.73W3 - W4 = 0.13
Images
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Supporting Documents
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Revision History
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2 Admin, VSX 2013-05-03 23:32 UTC Update from [2002MNRAS.331...45K].
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.