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Latest Details
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Name
  L2 Pup  
AAVSO UID
000-BBM-731 (30076 observations)  
Constellation
Puppis Sequence
J2000.0
07 13 32.32 -44 38 23.1  (108.38467 -44.63975) Search nearby
B1950.0 07 12 00.69 -44 33 26.4
Proper motion
RA: 106.31 mas/yDec: 324.99 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 255.765 -15.036
Other names

(Internal only)
AAVSO 0710-44 CD-44 3227 CPD-44 1352
GSC 07642-01461 HD 56096 HIP 34922
HR 2748 L 2 Pup SAO 218549
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Variability type
SRB
Spectral type M5IIIe-M6IIIe
Mag. range
2.6 - 8.0 V
Discoverer --
Epoch
--
Outburst --
Period 140.6 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Between 2011 and 2015 the amplitude remained close to 2 mag. and the star reached a new minimum magnitude record around JD 2456812 (June 3, 2014) with V= 8.0
2 Otero, Sebastian Alberto Increasing amplitude after 2011 but mean magnitude still faint. New minimum record in the obscuration event around March 15, 2012 (V= 7.54).
3 Otero, Sebastian Alberto Obscuration event. New minimum record around Dec. 15, 2009.
4 Otero, Sebastian Alberto The star is undergoing a major dust obscuration event since 1994. Period between 2001 and 2007 is 136 d.
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References
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1 The light curve of the semiregular variable L2 Puppis - I 2002MNRAS.337...79B
2 The All Sky Automated Survey 2002AcA....52..397P
3 NZAS Bull N1, 1944. --
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 = -1.06H = -1.87K = -2.31J - K = 1.25
Images
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Supporting Documents
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4 JD light curve 2008-2015 Otero, Sebastian Alberto 2015-06-11 19:39 UTC Light curve showing the increased amplitude and new minimum.
3 2006-2012 light curve Otero, Sebastian Alberto 2012-03-25 20:46 UTC Light curve showing a new minimum record for L2 Pup.
2 L2 Pup light curve Otero, Sebastian Alberto 2011-01-23 23:50 UTC Light curve including all available V-photometry from 1980 to 2011 and showing the complete obscuration event.
1 L2 Pup recent lightcurve Otero, Sebastian Alberto 2007-03-09 11:40 UTC ASAS-3 and visual lightcurve showing the faint minimum.
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Campaigns/Programs
 Binocular program
 Legacy LPV Program
Revision History
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5 Otero, Sebastian Alberto 2015-06-11 19:39 UTC Minimum magnitude revised with Otero's visual observations.
4 Otero, Sebastian Alberto 2012-03-25 20:46 UTC Updated minimum magnitude from visual observations.
3 Otero, Sebastian Alberto 2011-01-23 23:50 UTC Minimum magnitude updated as obscuration event progresses.
2 Otero, Sebastian Alberto 2007-03-09 11:40 UTC New ASAS minimum given
1 Admin, VSX 2005-12-17 20:33 UTC Initial database population.