| Field | Type | Description
|
|---|
| sybid | int * |
|
| YaleNum | float | Catalogue number; blank means no number is assigned yet.
|
| Compn | char | Double star component; M means photometrically unresolved components.
|
| Icode | char | Double star information code; O: orbital data available; S: separation and position angle data available.
|
| Name | char * | Star name; See translation table for Greek abbreviations.
|
| RAH | int * | Right ascension hours 1900
|
| RAM | int | Right ascension minutes 1900
|
| RAS | char | Right ascension seconds 1900, number of FP digits indicates accuracy
|
| DecD | int * | Declination degrees 1900.0
|
| DecM | int | Declination minutes 1900
|
| DecS | char | Declination arcsec 1900, number of FP digits indicates accuracy
|
| PosSrc | char | Source code for position; A indicates the CDA (Catalogue of Astrometric Data); P indicates the position comes from other sources.
|
| SecVarRAM | int | Secular variation in right ascension for 100 years, proper motion is included; units: minutes
|
| SecVarRAS | float | Secular variation RA seconds
|
| SecVarDM | int | Secular variation in declination for 100 years, proper motion is included; units: arc-minutes
|
| SecVarDS | real | Secular variation declination arc-seconds.
|
| PMRA | float | Proper motion in right ascension; unit: arc-seconds/year.
|
| PMDec | float | Proper motion in declination; unit: arc-seconds/year.
|
| AvgPar | float | Weighted average absolute trigonometric parallax; unit: arc-seconds.
|
| SE_Par | int | Parallax standard error; unit: tenths of milli-arc-second.
|
| NumObs | int | Number of parallax observations included in weighted average parallax.
|
| Agree | char | Quality of the interagreement of different parallax observations: G, good; F, fair; and P, poor.
|
| Vmag | char | V magnitude for value with two digits after decimal; value with a single digit after decimal is a lower accuracy visual magnitude unless code P appears in next field
|
| Vcode | char | V mag code: P indicates a blue passband magnitude
|
| BSCS | char | S if star is list in ''''A Supplement to the Bright Star Catalogue'''' (Hoffleit, et al. 1983).
|
| HRnum | int | HR number (Bright Star Catalogue number) (Hoffleit, et al. 1988).
|
| HDnum | int | HD number.
|
| DM1 | char | DM number part 1
|
| DM2 | int | DM number part 2
|
| DM3 | int | DM number part 3
|
| DM4 | char | DM number part 4 -- component
|
| NBSC | char | Number in the Cata. Nearby Stars (Gliese, et al. 1984); number with decimal point is in Gliese 1969; number beginning with 1000 is in Gliese and Jahreiss 1984; number beginning with 9000 is in Woolley et al. 1970; N is new nearby stars not yet numbered.
|
| VSnam | char | Variable star name; number beginning with S indicates New Suspected Variable number.
|
| ADSnum | char | Aitken Double Star (ADS) number; other codes are W: is in the Wash. Vis. Dbl Star Cata. (Wooley 1984), A: astrometric binary, B: spectroscopic binary, E: eclipsing binary, O: occultationary binary, S: Speckle interferometric binary
|
| OtherName | char | Other star name.
|