...Spectra show signs of hydrogen deficiency only when the hydrogen content is less than 1/10 5 of the normal value. One example is HD 30353, a supergiant with an A5 temperature, but with a hydrogen content of 1/10 5 of the normal value and a tendency towards an excess of heavy metals. R Coronae Borealis has an F temperature, and is not only deficient in hydrogen but also extremely rich in carbon. ... *Some of the terminology that mentions "HD30353" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…スペクトルに水素欠乏の兆候が現れるのは水素の含有量が正常値の1/105以下の場合に限られる。HD30353という星はその一例で,A5型相当の温度をもつ超巨星であるが,その水素含有量は正常値の1/105で,金属は重いものが過多の傾向を示す。かんむり座R星はF型相当の温度をもち,水素が少ないだけでなく炭素がきわめて過多である。… ※「HD30353」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
<<: HTGR - High Temperature Global Relations
>>: HDLC - High definition liquid crystal
(Japanese: cutter + knife) A craft blade used to c...
Year of death: 14th November 1192 (20th December 1...
… [Kenji Muraoka] [India] In the Vedic period, wh...
…Abbreviated as the Foreign Exchange Law. This is...
...The Protto (Japan Proletarian Theater League),...
This mine was located in Asago City, central Hyog...
This refers to a social system in which women hol...
…[Hiroshi Inoue]. … *Some of the terminology that...
...They are found on Hachijo Island, the Amami Is...
…These myths and legends led the Greeks to regard...
Located about 7km south of Luoyang , a city in the...
This is a pattern of development in animals in wh...
〘noun〙 To be relieved of an official position. To ...
Military officer (General) and politician. Born i...
…H-Ser-Gln-Glu-Pro-Pro-Ile-Ser-Leu-Asp-Leu-Thr-Ph...