Beta Canis Majoris (β Canis Majoris, abbreviated Beta CMa, β CMa), also named Mirzam / ˈmɜːrzəm /, [13] is a star in the southern constellation of Canis Major, the "Great Dog", located at a distance of about 500 light-years (150 parsecs) from the Sun. [1] In the modern constellation it lies at the position of the dog's front leg.

2020年6月30日 · Mirzam, Beta Canis Majoris (β CMa), is a blue-white giant or bright giant star located in the constellation Canis Major. With an average apparent magnitude of 1.985, it is the fourth brightest star in Canis Major, after Sirius, Adhara, and Wezen. Mirzam lies at an approximate distance of 490 light years from Earth. Star type

1996年3月31日 · Observations of the bright variable star beta CMa (B1 II-III) made with the Extreme Ultraviolet Explorer (EUVE) are presented, We report on the continuous energy distribution, photospheric line...

1983年1月1日 · The observational properties of the Beta CMa stars are discussed, on the basis of the most recent spectrographic and photometric surveys. It is shown that the main (and only) common properties of...

1998年6月12日 · This paper presents the study of the interstellar medium toward beta CMa, a disk sight-line known for its low neutral gas density. This study uses high and medium resolution HST-GHRS spectra including lines from many species. The line of sight to beta CMa (153 pc) is dominated by two ionized regions with a velocity difference of 10 km/s.

Beta Canis Majoris (β Canis Majoris, abbreviated Beta CMa, β CMa), also named Mirzam /ˈmɜːrzəm/, is a star in the southern constellation of Canis Major, the "Great Dog", located at a distance of about 500 light-years (150 parsecs) from the …

Beta Canis Majoris (β Cma), also known as Mirzam, is a spectral class B1II/III star of magnitude 1.98 located in the constellation Canis Major. β Cma is one of the brighter stars in Canis Major and can be seen by the naked eye under dark skies or with binoculars.

2006年3月28日 · We have carried out single and multi-site photometry of the three Beta Cephei stars Beta and 15 CMa as well as KZ Mus. For the two stars in CMa, we obtained 270 h of measurement in the Stromgren uvy and Johnson V filters, while 150 h of time-resolved Stromgren uvy photometry was acquired for KZ Mus.

Beta Canis Majoris, also called Mirzam, [13] is a star in the southern constellation of Canis Major, the "Great Dog". It is around 500 light-years (150 parsecs) from the Sun. [1] In the constellation it looks like it is in the dog's front leg.

2020年7月20日 · We report on the implementation of a stellar intensity interferometry system developed for the four VERITAS imaging atmospheric Cherenkov telescopes. The system was used to measure the angular...