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Latest Details
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Name
  BI Her  
AAVSO UID
000-BCV-997 (353 observations)  
Constellation
Hercules Sequence
J2000.0
17 23 18.16 +14 57 48.0  (260.82567 +14.96333) Search nearby
B1950.0 17 21 02.08 +15 00 32.7
Galactic coord. 37.054 +26.123
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J17231817+1457481 AAVSO 1718+15 ASAS J172318+1457.8
CSS_J172318.1+145747 GSC 01003-02546 NSVS J1723181+145745
ROTSE1 J172318.07+145744.8 SV* R 211  
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Variability type
M
Spectral type --
Mag. range
11.8 - 17.6 V
Discoverer Frank E. Ross
Epoch
14 Jun 1999 (HJD 2451344.0) Ephemeris
Outburst --
Period 208.5 d
Rise/eclipse dur. 44%  (92 d)
Remarks
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1 2016JAVSO..44..156K B-V= 1.47; V-R= 1.45
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References
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1 Karlsson, T.; Bengtsson, H.; Wikander, T.; et al., 2016, 50 forgotten Miras 2016JAVSO..44..156K
2 P.R. Wozniak, S.J. Williams, W.T. Vestrand, V. Gupta, AJ 128, 2965, 2004 2004AJ....128.2965W
3 Pojmanski, G., 2002, The All Sky Automated Survey 2002AcA....52..397P
4 C.Akerlof et al., AJ 119, 1901, 2000. 2000AJ....119.1901A
5 V.P.Zessewitsch, M.S.Kazanasmas, Atlas of Finding Charts for Variable
Stars, M., 1971.
1971afcv.book.....T
6 P.P.Parenago, Perem. Zvezdy 6, N4, 214, 1948. --
External Links
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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 = 9.18H = 8.37K = 7.97J - K = 1.20
AllWISE W1 = 7.75W2 = 7.32W3 = 6.72W4 = 6.16W1 - W2 = 0.44W3 - W4 = 0.56
APASS-DR9 B = 15.25V = 13.66g' = 14.43r' = 12.94i' = 11.99B - V = 1.58
Images
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Supporting Documents
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1 Phase plot Otero, Sebastian Alberto 2015-02-04 22:48 UTC Phase plot with ASAS-3 and AAVSO data.
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Revision History
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4 Karlsson, Thomas 2017-03-10 22:16 UTC Elements, maximum magnitude, B-V and V-R from 2016JAVSO..44..156K. Discoverer from AJ, 37, 155, 1927
3 Otero, Sebastian Alberto 2015-02-04 22:48 UTC Primary record creation. Period and range from ASAS-3 and AAVSO V data. PPMXL position.
2 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.