Boss, L. (English spelling) BossL

Japanese: Boss，L.（英語表記）BossL

...The most accurate basic star catalog is FK4 (1963), which contains only 1,535 stars due to the careful selection of stars. Other basic star catalogs include the BGC Catalogue (1937) by Lewis Boss (1846-1912), which contains 33,342 stars, and N-30, which contains 5,268 stars. The most representative catalog compiled by meridian circular observations of even slightly fainter stars based on the stars in the basic star catalog is the AGK star catalog (short for Astronomische Gesellschaft Catalog), which began in 1869 when 15 observatories shared and observed the stars in the Bonn Catalogue by pinning them to declination bands. ...

*Some of the terminology that mentions "Boss, L." is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…最高精度の基本星表はFK4(1963)で，星を厳選したために星の数は1535にすぎない。ほかにボスLewis Boss(1846‐1912)の3万3342星を収録したBGCカタログ(1937)や5268星を収録したN‐30なども基本星表の性格をもつ。　基本星表の星を基準にやや暗い星までを子午環観測して編んだカタログの代表的なものはAGK星表(Astronomische Gesellschaft Katalogの略)で，1869年に15の天文台がボン掃天星表の星を赤緯帯にくぎって分担，観測したことに始まる。…

※「Boss，L.」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

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