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BEGIN:VEVENT
DTSTART;TZID=Atlantic/Canary:20150317T123000
DTEND;TZID=Atlantic/Canary:20150317T133000
UID:iactalks-764
X-WR-CALNAME: IAC Talks: Open Astronomy Seminars
X-ORIGINAL-URL: /iactalks/Talks/view/764
CREATED:2015-03-17T12:30:00+00:00
X-WR-CALDESC: IAC Talks upcomming talks
SUMMARY:Discovery and characterization of a planetary mass companion to the
  nearby M dwarf VHS J125601.92–125723.9
DESCRIPTION:Discovery and characterization of a planetary mass companion to
  the nearby M dwarf VHS J125601.92–125723.9\nMr. Bartek Gauza\n\nDirect 
 imaging of wide planetary mass companions provide a unique  opportunity to
  fully characterize their spectroscopic and photometric  properties. They 
 share similar physical properties to gas giant  exoplanets found by radial
  velocity and transit techniques, with  overlapping temperatures in the ra
 nge of ~1000–1500K and masses from a  few to a dozen Jupiter masses.
  We have recently identified a young  L-type companion at ~100 AU of a pre
 viously unrecognized M dwarf. We  determined the parallactic distance of t
 he system of 12.7 ± 1.0 pc. By  comparison with evolutionary models
  we derived a mass of 73 (+20, -15)  MJup for the primary, at around the s
 ubstellar mass limit and 11.2  (+9.7, -1.8) MJup for the secondary, near t
 he deuterium burning mass  limit. In this talk I will present the properti
 es of the two components  of this new pair and discuss the possibilities f
 or future thorough  characterization.
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