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Name
  VW Her  
AAVSO UID
000-BCB-232 (326 observations)  
Constellation
Hercules Sequence
J2000.0
18 05 47.18 +39 09 56.7  (271.44659 +39.16574) Search nearby
B1950.0 18 04 07.86 +39 09 35.2
Proper motion
RA: 0.7 +/- 6.1 mas/yDec: -5.2 +/- 7.0 mas/ySource: UCAC4
Galactic coord. 65.857 +25.121
Other names

(Internal only)
2MASS J18054718+3909565 AAVSO 1802+39 AN 25.1914
DO 16459 FBS 1804+391 GSC 03102-00585
IRAS 18041+3909 NSVS J1805472+390957  
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Variability type
M
Spectral type M3/4
Mag. range
10.2 - 17.2 V
Discoverer Charles Robert D'Esterre
Epoch
16 Jan 2000 (HJD 2451560.0) Ephemeris
Outburst --
Period 285.6 d
Rise/eclipse dur. 43%  (123 d)
Remarks
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1 2016JAVSO..44..156K B-V= 1.67; V-R= 2.40
2 GCVS Team VB A (B 17.3m, 18", 120deg.
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References
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1 Gaia Collaboration; et al., 2018, Gaia Data Release 2. Summary of the
contents and survey properties
2018A&A...616A...1G
2 Karlsson, T.; Bengtsson, H.; Wikander, T.; et al., 2016, 50 forgotten Miras 2016JAVSO..44..156K
3 Gigoyan, K. S.; Mickaelian, A. M., 2012, Revised and updated catalogue of
the First Byurakan Survey of late-type stars
2012MNRAS.419.3346G
4 C.R.D'Esterre, AN 198, 163, 1914. 1914AN....198..163D
5 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.
--
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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 = 5.40H = 4.80K = 4.03J - K = 1.37
AllWISE W1 = 3.37W2 = 2.79W3 = 1.80W4 = 1.02W1 - W2 = 0.59W3 - W4 = 0.78
APASS-DR9 B = 16.30V = 14.30g' = 15.61r' = 12.66B - V = 2.00
Images
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Supporting Documents
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Revision History
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5 Otero, Sebastian Alberto 2020-05-14 20:33 UTC Gaia DR2 position.
4 Karlsson, Thomas 2017-03-10 22:34 UTC Elements, minimum magnitude, B-V and V-R from 2016JAVSO..44..156K. Discoverer from AN, 198, 163, 1914
3 Otero, Sebastian Alberto 2015-01-13 16:38 UTC Period and range from AAVSO V data. Spectral type from 2012MNRAS.419.3346G. UCAC4 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.