Astrocat Starcat Homepage

Batten: Spectroscopic Binary Catalogue

Contents


Table name: 	BATTEN
Records:  	978
Version:
Spectral Band: 	OPT,PHOTO
Kind of Object: Spectroscopic Binary Stars
Mode: 		Photometry,Astrometry,Spectroscopy
Preview:
Coordinates: 	B1900

Reference

Fields

Name	   Meaning

number	   A serial number within the Seventh Edition (1978)
name1	   Identification: HD or HD extension or BD or CoD
name2	   Alternate designation: Bayer, Flamsteed etc.
comment	   An asterisk indicates that the star is eclipsing
r_a	   Right ascension for equinox 1900.
dec	   Declination for equinox 1900.
magn	   The apparent magnitude of the star
m_type	   Type of magnitude: V, B are photometric, P is photographic
spec_type  Spectral type of the component(s)
mu_a	   Precession for 100 years in right ascension
mu_d	   Precession for 100 years in declination
period	   Orbital period, in days
per_c	   An asterisk if period > 10,000 days or given in years
V0	   V0 element of the orbit
V0_c	   An asterisk indicates a note in the printed version
Q	   The quality assigned to the orbital elements (a,b,c,d,e)
ecc	   Eccentricity
ecc_c	   An asterisk indicates a note in the printed version
f(m)	   Mass function for single-spectrum binaries
T0	   Julian date of the longitude of periastron passage
T0_c	   An asterisk indicates a note in the printed version
K1	   Amplitude of radial velocity curve for component 1
K1_c	   An asterisk indicates a note in the printed version
Omega_1	   Orbital element for component 1
om1_c	   An asterisk indicates a note in the printed version
m1*sin3_i  Minimum mass for component 1
a1*sin_i   An asterisk indicates a note in the printed version
K2	   Amplitude of radial velocity curve for component 2
K2_c	   An asterisk indicates a note in the printed version
Omega_2	   Orbital element for component 2
om2_c	   An asterisk indicates a note in the printed version
m2*sin3_i  Minimum mass for component 2
a2*sin_i   An asterisk indicates a note in the printed version
_r         Reference to the original paper with the elements 

Computed Fields

_ra	Right ascension for epoch 2000
_de	Declination for epoch 2000
_lii	Galactic longitute
_bii	Galactic_latitude