Heintz 299

light-years

Catalog numbers:
     Gliese & Jahreiss (GJ) 1005, Giclas (G) 158-50, Luyten Half-Second (LHS) 1047, Hipparcos Input Catalog (HIC) 1242, Luyten (L) 722-22, Heintz (HEI) 299
Arity: binary
Right Ascension and Declination: 0h15m28.049s, -16°8'1.58" (epoch 2000.0)
Distance from Sol: 17.0 light-years (5.21 parsecs)
Standard error in distance: 8.2449%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: 16.3, 1.10, -4.72
Galactic (X,Y,Z) coordinates in ly: 0.23, 4.01, -16.5
Proper motion: 0.863 arcsec/yr (133.6° from north)
Radial Velocity: -29 km/sec
Source for proper motion and radial velocity: Gliese
Galactic (U,V,W) velocity components in km/s: -6.42, -26.7, 23.3

What do all these fields mean?

Data for A and B's orbit around one other:
Combined absolute visual magnitude: +12.90
Combined visual luminosity: 0.00060 x Sol
Observed Separation: 0.73 A.U.s
As seen from A:
     B would appear as magnitude -18.34
As seen from B:
     A would appear as magnitude -18.81


Component A:
Spectral class: M4
Luminosity Class: V
Apparent visual magnitude: +12.03
Absolute visual magnitude: +13.44
Visual luminosity: 0.00036 x Sol
Comfort Zone (visual): 0.019 A.U.s


Component B:
Spectral class: M
Luminosity Class: V
Apparent visual magnitude: +12.50
Absolute visual magnitude: +13.91
Visual luminosity: 0.00024 x Sol
Comfort Zone (visual): 0.015 A.U.s

light-years
but not more than light-years away
Data for this star system were most recently updated on 4-April-2001.