PSR B1259-63

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PSR B1259-63

PSR B1259-63 and SS 2883
Observation data
Epoch J2000
Constellation
(pronunciation)		 Crux
Right ascension 13h 02m 47.6574s
Declination -63° 50' 08.662"'
Apparent magnitude (V) 10.08
Characteristics
Spectral type B2e
U-B color index ?
B-V color index ?
Variable type None
Astrometry
Proper motion (μ) RA: -2.90 mas/yr
Dec.: -6.40 mas/yr
Absolute magnitude (MV) 10.68
Distance 1.500 Light year


Details
Mass 10 M☉
Radius ? R☉
Luminosity ? L☉
Temperature ? K
Metallicity ?
Rotation ?
Age ? years
Visual binary orbit
Companion SS 2883
Period (P) 3.4 yr
Semimajor axis (a) 70 AU"
Eccentricity (e) 0
Inclination (i) 0°
Longitude of the node (Ω) 0°
Periastron epoch (T) 0
Other designations
TYC 8997-1597-1, Hbg 757, PSR J1302-6350, ALS 2883, Hen 3-852, THA 17-8, AX J1302-638, INTREF 538, UCAC2 3710789, AAVSO 1256-63, CPD-63° 2495, LS 2883, MSX6C G304.1845-00.9916, WRAY 15-1053, GSC 08997-01597.
Database references
SIMBAD data

PSR B1259-63, pair of the neutron star PSR B-1259-63 is the blue star SS 2883. SS 2883 has an extremely excentric orbit. This is a radio-queit neutron star. It may be a quark star, because quark stars are, theoretically, radio-quiet.

[edit] Reference

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