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Name
  TZ Leo  
AAVSO UID
000-BCW-201 (1479 observations)  
Constellation
Leo Sequence
J2000.0
11 23 40.03 +16 51 07.0  (170.91679 +16.85194) Search nearby
B1950.0 11 21 02.97 +17 07 35.6
Proper motion
RA: -0.7 +/- 1.0 mas/yDec: 3.1 +/- 3.6 mas/ySource: UCAC4
Galactic coord. 235.246 +67.258
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J11234004+1651071 AAVSO 1118+17 AN 345.1933
ASAS J112340+1651.1 GSC 01437-02670 IRAS 11210+1707
IRC +20228 RAFGL 4811S TYC 1437-2670-1
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Variability type
M
Spectral type M6-M8
Mag. range
9.6 - 12.5 V
Discoverer --
Epoch
12 Apr 2003 (HJD 2452742) Ephemeris
Outburst --
Period 324 d
Rise/eclipse dur. --
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 Otero, Sebastian Alberto It shows a bump that in recent years (2007-2010) turned into a double maximum. The time of maximum is for the second maximum that was the brighter one before 2007.
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References
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1 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
2 S.Wyckoff, P.Wehinger, PASP 86, 464, 1974. 1974PASP...86..464W
3 Catalogue of Stellar Spectral Classifications (Skiff, 2005) 1960MitVS.432....1S
4 B.V.Kukarkin, Supplement I to GCVS 1958. --
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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 = 3.08H = 2.17K = 1.78J - K = 1.31
AllWISE W3 = 0.86W4 = 0.38W3 - W4 = 0.48
APASS-DR9 B = 11.84V = 10.33g' = 11.12r' = 10.81i' = 7.94B - V = 1.51
GALEX-DR5 NUV = 21.10
SDSS-DR12 u = 24.64g = 19.55r = 19.40i = 24.36z = 22.83u - g = 5.08r - i = -4.96
Images
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Supporting Documents
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Revision History
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3 Otero, Sebastian Alberto 2012-03-19 19:37 UTC Primary record creation. Period, epoch and range from ASAS-3 data. Spectral type from Skiff (2010).
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.