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16 April 2024 |
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Masses and Distance of the Young Binary NTTS 045251+3016 | | M. Simon
; G. H. Schaefer
; L. Prato
; Dary Ruiz-Rodriguez
; N. Karnath
; O. G. Franz
; L. H. Wasserman
; | | Date: |
19 Jun 2013 | | Abstract: | As part of our continuing campaign to measure the masses of pre-main sequence
stars dynamically and thus to assess the reliability of the discrepant
theoretical calculations of contraction to the main sequence, we present new
results for NTTS 045251+3016, a visual and double-lined spectroscopic binary in
the Taurus Star Forming Region. We obtained new high angular resolution
astrometry and high spectral resolution spectroscopy at Keck Observatory. The
new data lead to a significant revision of previously published orbital
parameters. In particular, we find that the masses of the primary and secondary
are 0.86+/-0.11 and 0.55+/-0.05 M_sun, respectively, smaller than previously
reported, and that the system lies 158.7+/-3.9 pc from the sun, further than
previously reported. | | Source: | arXiv, 1306.4393 | | Services: | Forum | Review | PDF | Favorites | |
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