The First Definitive Binary Orbit Determined with the [ITAL]Hubble[/ITAL] [ITAL]Space[/ITAL] [ITAL]T[/ITAL][ITAL]elescope[/ITAL] Fine Guidance Sensors: Wolf 1062 (Gliese 748)
The Astronomical Journal1998Vol. 116(3), pp. 1432–1439
Citations Over TimeTop 15% of 1998 papers
O. G. Franz, Todd J. Henry, L. H. Wasserman, G. F. Benedict, P. A. Ianna, J. Davy Kirkpatrick, Donald W. McCarthy, Arthur J. Bradley, R. L. Duncombe, L. W. Fredrick, P. D. Hemenway, W. H. Jefferys, B. McArthur, Edmund Nelan, P. J. Shelus, D. Story, W. F. van Altena, A. L. Whipple
Abstract
The M dwarf binary, Wolf 1062 (Gliese 748), has been observed with the Hubble Space T elescope (HST ) Fine Guidance Sensor 3 in the transfer function scan mode to determine the apparent orbit. This is the rst orbit dened fully and exclusively with HST , and is the most accurate denitive orbit for any resolved, noneclipsing system. The orbital period is 2.4490 ^0.0119 yr and the semimajor axis is quantities are now known to better than 1%. Using the weighted mean of seven 0A .1470 ^0A .0007both parallax measurements and these HST data, we nd the system mass to be 0.543 ^0.031
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