1999
DOI: 10.1086/312162
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The Age of β Pictoris

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Cited by 189 publications
(151 citation statements)
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“…If we assume that the two components of the spectroscopic binary (HIP 96515 Aa & Ab) emit in X-rays, such that L x,Aa = L x,Ab = L x /2, and using the V-mag of each of the binary members (see Table 3) and the BC for a M1 and M2 star, we derive log(L x /L bol ) ratios of −3.17 and −3.04 for Aa and Ab, respectively. These values are comparable to those found in very active pre-main sequence (PMS) late-type stars (e.g., Barrado y Navascués et al 1999;Stelzer & Neuhäuser 2001) and in main-sequence (MS) late-type stars in very close binaries (see e.g. López-Morales 2007).…”
Section: Observational Properties Of Hip 96515 Aandbsupporting
confidence: 80%
“…If we assume that the two components of the spectroscopic binary (HIP 96515 Aa & Ab) emit in X-rays, such that L x,Aa = L x,Ab = L x /2, and using the V-mag of each of the binary members (see Table 3) and the BC for a M1 and M2 star, we derive log(L x /L bol ) ratios of −3.17 and −3.04 for Aa and Ab, respectively. These values are comparable to those found in very active pre-main sequence (PMS) late-type stars (e.g., Barrado y Navascués et al 1999;Stelzer & Neuhäuser 2001) and in main-sequence (MS) late-type stars in very close binaries (see e.g. López-Morales 2007).…”
Section: Observational Properties Of Hip 96515 Aandbsupporting
confidence: 80%
“…Numerous investigations and reviews have targeted the three stars, which are among the youngest pre-main sequence stars in the solar neighbourhood. They display X-ray emission, flaring activity, flux excess in the infrared due to a circumstellar disc (AU Mic), photometric variability (of BY Dra type), active coronae, Ca ii H+K in emission, and other properties typical of young stars (Linsky et al 1982;Kundu et al 1987;Pallavicini et al 1990;Batalha et al 1996;Barrado y Navascués et al 1999;Katsova et al 1999;Zuckerman et al 2001;Kalas et al 2004). There is a difference between Hipparcos heliocentric distances of 0.8 ± 0.4 pc, which could be real (as in the case of α Cen AB and Proxima) or stem from a poor accuracy in the parallax measurement (e.g.…”
Section: Wds 20452-3120 (Au Mic and At Mic Ab)mentioning
confidence: 99%
“…been determined from lower mass members of its comoving group (Barrado y Navascués et al 1999;Zuckerman et al 2001). Thus, b Pic is one of the youngest, closest stars to Earth.…”
Section: ϫ4mentioning
confidence: 99%