{"id":140,"date":"2018-05-16T15:02:43","date_gmt":"2018-05-16T15:02:43","guid":{"rendered":"http:\/\/ross2.oas.inaf.it\/wp\/imprs18\/?page_id=140"},"modified":"2021-12-09T21:07:08","modified_gmt":"2021-12-09T19:07:08","slug":"bsc-description","status":"publish","type":"page","link":"https:\/\/ross2.oas.inaf.it\/wp\/imprs18\/the-course\/the-bright-stars-catalogue\/bsc-description\/","title":{"rendered":"BSC description"},"content":{"rendered":"<blockquote><p>BSC: Bright Star Catalogue, 5th Revised Ed.     (Hoffleit+, 1991)<\/p><\/blockquote>\n<p>This is a modified version of the original BSC catalogue. Have a look <a href=\"https:\/\/cdsarc.u-strasbg.fr\/viz-bin\/Cat?V\/50\" target=\"_new\" rel=\"noopener\">here<\/a>.<\/p>\n<pre>\r\nmysql> describe bsc;\r\n+------------+----------------------+------+-----+---------+-------+\r\n| Field      | Type                 | Null | Key | Default | Extra |\r\n+------------+----------------------+------+-----+---------+-------+\r\n| HR         | smallint(4) unsigned | NO   | PRI | 0       |       |\r\n| Name       | char(10)             | YES  |     |         |       |\r\n| IRflag     | char(1)              | YES  |     |         |       |\r\n| Multiple   | char(1)              | YES  |     |         |       |\r\n| ADScomp    | char(2)              | YES  |     |         |       |\r\n| VarID      | char(9)              | YES  |     |         |       |\r\n| RA         | char(10)             | YES  |     |         |       |\r\n| DE         | char(9)              | YES  |     |         |       |\r\n| RAd        | float(8,4)           | NO   | PRI | 0.0000  |       |\r\n| DECd       | float(8,4)           | NO   | PRI | 0.0000  |       |\r\n| GLON       | float(6,2)           | NO   |     | 0.00    |       |\r\n| GLAT       | float(6,2)           | NO   |     | 0.00    |       |\r\n| Vmag       | float(5,2)           | NO   |     | 0.00    |       |\r\n| BmV        | float(5,2)           | NO   |     | 0.00    |       |\r\n| u_BmV      | char(1)              | YES  |     |         |       |\r\n| UmB        | float(5,2)           | NO   |     | 0.00    |       |\r\n| u_UmB      | char(1)              | YES  |     |         |       |\r\n| RmI        | float(5,2)           | NO   |     | 0.00    |       |\r\n| n_RmI      | char(1)              | YES  |     |         |       |\r\n| SpType     | char(20)             | YES  |     |         |       |\r\n| n_SpType   | char(1)              | YES  |     |         |       |\r\n| pmRA       | float(6,3)           | NO   |     | 0.000   |       |\r\n| pmDE       | float(6,3)           | NO   |     | 0.000   |       |\r\n| n_Parallax | char(1)              | YES  |     |         |       |\r\n| Parallax   | float(6,3)           | NO   |     | 0.000   |       |\r\n| Dmag       | float(4,1)           | NO   |     | 0.0     |       |\r\n| Sep        | float(6,1)           | NO   |     | 0.0     |       |\r\n| MultID     | char(4)              | YES  |     |         |       |\r\n| MultCnt    | tinyint(2)           | NO   |     | 0       |       |\r\n+------------+----------------------+------+-----+---------+-------+\r\n29 rows in set (0.01 sec)\r\n<\/pre>\n<p><strong>Fields description<\/strong><\/p>\n<pre>\r\n| HR         | [1\/9110]+ Harvard Revised Number = Bright Star Number\r\n| Name       | Name, generally Bayer and\/or Flamsteed name\r\n| IRflag     | [I] I if infrared source\r\n| Multiple   | [AWDIRS] Double or multiple-star code\r\n| ADScomp    | ADS number components\r\n| VarID      | Variable star identification\r\n| RA         | RA in hh:mm:ss.s\r\n| DE         | Dec in dd:mm:ss\r\n| RAd        | RA in decimal degrees\r\n| DECd       | Dec in decimal degrees\r\n| GLON       | Galactic longitude\r\n| GLAT       | Galactic latitude\r\n| Vmag       | Visual magnitude\r\n| BmV        | B-V color in the UBV system\r\n| u_BmV      | [ :?] Uncertainty flag on B-V\r\n| UmB        | U-B color in the UBV system\r\n| u_UmB      | [ :?] Uncertainty flag on U-B\r\n| RmI        | R-I in system specified by n_R-I\r\n| n_RmI      | [CE:?D] Code for R-I system (Cousin, Eggen)\r\n| SpType     | Spectral type\r\n| n_SpType   | [evt] Spectral type code\r\n| pmRA       | Annual proper motion in RA J2000, FK5 system\r\n| pmDE       | Annual proper motion in Dec J2000, FK5 system\r\n| n_Parallax | [D] D indicates a dynamical parallax, otherwise a trigonometric parallax\r\n| Parallax   | Trigonometric parallax (unless n_Parallax)\r\n| Dmag       | Magnitude difference of double, or brightest multiple\r\n| Sep        | Separation of components in Dmag if occultation binary.\r\n| MultID     | Identifications of components in Dmag\r\n| MultCnt    | Number of components assigned to a multiple\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>BSC: Bright Star Catalogue, 5th Revised Ed. (Hoffleit+, 1991) This is a modified version of the original BSC catalogue. Have a look [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":135,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-140","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/ross2.oas.inaf.it\/wp\/imprs18\/wp-json\/wp\/v2\/pages\/140"}],"collection":[{"href":"https:\/\/ross2.oas.inaf.it\/wp\/imprs18\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/ross2.oas.inaf.it\/wp\/imprs18\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/ross2.oas.inaf.it\/wp\/imprs18\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ross2.oas.inaf.it\/wp\/imprs18\/wp-json\/wp\/v2\/comments?post=140"}],"version-history":[{"count":0,"href":"https:\/\/ross2.oas.inaf.it\/wp\/imprs18\/wp-json\/wp\/v2\/pages\/140\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/ross2.oas.inaf.it\/wp\/imprs18\/wp-json\/wp\/v2\/pages\/135"}],"wp:attachment":[{"href":"https:\/\/ross2.oas.inaf.it\/wp\/imprs18\/wp-json\/wp\/v2\/media?parent=140"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}