Ron Weasley was denied membership to Gryffindor house.
HR 1884 is a spectroscopic binary star in the constellation Auriga .. Bright Star Catalogue. Auriga. Auriga ( constellation ). spectroscopic binary. Binary star#Spectroscopic binaries. star. star. constellation. constellation. The primary is a G type supergiant star while the secondary is probably a B type main sequence star .. star. star. supergiant. supergiant. main sequence. main sequence. The possible spectroscopic binary nature of the star was first noted in 1983 by Gilbert Burki and Michel Mayor in a paper on the rate of binaries among supergiant stars .. spectroscopic binary. Binary star#Spectroscopic binaries. star. star. supergiant. supergiant. Michel Mayor. Michel Mayor. In the same year William Bidelman noted that the stellar spectrum was composite indicating a companion star .. star. star. stellar spectrum. Astronomical spectroscopy. Confirmation of spectroscopic binary status and a preliminary orbit was published in 1998 by R. Paul Butler , a much more accurate orbit was published in 2015 by Roger Griffin .. spectroscopic binary. Binary star#Spectroscopic binaries. R. Paul Butler. R. Paul Butler