Bonner Durchmusterung -14°3902

light-years

Catalog numbers:
     Henry Draper (HD) 124498, Bonner Durchmusterung (BD) -14°3902, Hipparcos Input Catalog (HIC) 69562, UGPMF 342
Arity: trinary
Right Ascension and Declination: 14h14m21.45s, -15°21'23.2" (epoch 2000.0)
Distance from Sol: 82 light-years (25 parsecs)
Standard error in distance: 13.0435%
Source for distance: Gliese
Celestial (X,Y,Z) coordinates in ly: -66, -44, -22
Galactic (X,Y,Z) coordinates in ly: 53, -29, 55
Proper motion: 0.219 arcsec/yr (200.0° from north)
Source for proper motion: Gliese

What do all these fields mean?

Data for A and B's orbit around one other:
Combined spectrum: K4 V
Combined absolute visual magnitude: +8.35
Combined visual luminosity: 0.04 x Sol
Observed Separation: 40 A.U.s
As seen from A:
     B would appear as magnitude -12.11
As seen from B:
     A would appear as magnitude -15.15

Data for (A-B) and C's orbit around one other:
Combined absolute visual magnitude: +8.31
Combined visual luminosity: 0.04 x Sol
Observed Separation: 1625 A.U.s
As seen from (A-B):
     C would appear as magnitude -3.55
As seen from C:
     (A-B) would appear as magnitude -7.17


Component A:
Catalog numbers:
     Oo 587, Luyten Two-Tenth (LTT) 5580, Luyten (L) 836-121
Apparent visual magnitude: +10.40
Absolute visual magnitude: +8.41
Visual luminosity: 0.04 x Sol
Comfort Zone (visual): 0.2 A.U.s


Component B:
Catalog numbers:
     Oo 587, Luyten Two-Tenth (LTT) 5580, Luyten (L) 836-121
Apparent visual magnitude: +13.44
Absolute visual magnitude: +11.45
Visual luminosity: 0.002 x Sol
Comfort Zone (visual): 0.05 A.U.s


Component C:
Catalog numbers:
     Luyten Two-Tenth (LTT) 5581, Oo 586, Luyten (L) 836-122
Right Ascension and Declination: 14h11m34s, -15°7'6" (epoch 1950.0)
Celestial (X,Y,Z) coordinates in ly: -66, -43, -21
Galactic (X,Y,Z) coordinates in ly: 52, -29, 56
Proper motion: 0.219 arcsec/yr (200.0° from north)
Source for proper motion: Gliese
Spectral class: M
Luminosity Class: V
Apparent visual magnitude: +13.96
Absolute visual magnitude: +11.97
Visual luminosity: 0.001 x Sol
Color indices: B-V= +1.60, U-B= +0.99, R-I= +1.21
Comfort Zone (visual): 0.04 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.