... Oke (1990) used the DoubleSpectrograph on the 5-m Hale Telescope to obtain these spectra for HST calibration; and these data are identified in the HST data bases by the keyword OBSMODE=OKE DBSP. ...
... The HST project has identified six types of calibration targets essential to the good calibration of HST data: . ... HST FOS and optical spectra into standard star spectra on the white dwarf primary spectrophotometric scale (Bohlin, Colina ...
... Ascension and Declination are in the HST Guide Star Catalogue coordinates (equinox ... HST UV spectrophotometric standards . ... on White Dwarf model atmospheres and HST FOS observations, from the CALSPEC data ...
... H alpha COMMENTS: we also have 3.5m, Keck, HST, and telescopes in Europe, McDonald, Palomar participating in this campaign ... We also have 3.5m, Keck, HST, and telescopes in Europe, McDonald, Palomar participating in this campaign.. ...
... An Illustration of Modeling Cataclysmic Variables: HST, FUSE, and SDSS Spectra of ... 2007, "HST morphologies of local Lyman break galaxy analogs I: Evidence for ... the Variable Interstellar Absorption toward HD 219188 with HST, ApJ 668, 1012 ...
... The "faint" standards were selected from the HST Guide Star Catalog (Lasker et al. ... FAINT NEAR-IR STANDARD STARS ( from Persson et al. 1998 ) . HST . RA (J2000.0) . DEC (J2000.0) . J . ...