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Name
  U Men  
AAVSO UID
000-BLV-756 (550 observations)  
Constellation
Mensa Sequence
J2000.0
04 09 35.98 -81 51 17.5  (62.39992 -81.85486) Search nearby
B1950.0 04 14 01.43 -81 58 54.1
Proper motion
RA: -3.1 +/- 1.9 mas/yDec: 16.4 +/- 1.1 mas/ySource: UCAC4
Galactic coord. 295.611 -32.222
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 0418-82 AN 25.1916 ASAS J040936-8151.3
ASAS J040947-8150.2 CCDM J04096-8151A CD-82 83
CPD-82 84 HIP 19424 HV 3380
RAFGL 4046 TDSC 8816A TYC 9376-45-1
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Variability type
M
Spectral type Me
Mag. range
7.75 - <10.05 V
Discoverer --
Epoch
13 Apr 2001 (HJD 2452013) Ephemeris
Outburst --
Period 409 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Companion at 0.6" is also variable and contaminates the minimum magnitude. Maximum mag. has been corrected
2 GCVS Team VB A (B 10.4m, 0.6", 71deg, 1935.3). A var (0.8m <= A <= 2.9M). P var. Max = 2416927 + 426.9d*E (JD2415200 - 17400) [C.Payne-Gaposchkin, HA 115, N1, 1945.]; since JD2417400 - see Table.
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References
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1 M. Sitek, G. Pojmanski, 2014, The All Sky Automated Survey. The Catalog of
Bright Variable Stars in the I-band, South of Declination +28
2014AcA....64..115S
2 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
3 Catalogue of Stellar Spectral Classifications (Skiff, 2005) 1968AnCap..22.....S
4 AVSON #156 --
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 = 1.28H = 0.39K = -0.04J - K = 1.32
AllWISE W3 = -1.91W4 = -3.12W3 - W4 = 1.22
APASS-DR9 B = 10.99V = 10.12B - V = 0.88
GALEX-DR5 FUV = 20.52NUV = 17.15FUV - NUV = 3.38
Images
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Supporting Documents
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Revision History
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3 Otero, Sebastian Alberto 2011-07-02 06:41 UTC Position from the Tycho Double Star Catalogue. Type, period, epoch and range from ASAS-3 data.
Minimum from AVSON #156.
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.