5 Serpentis

light-years
Proper names: 5 Serpentis, MQ Serpentis
Catalog numbers:
     Henry Draper (HD) 136202, Hoffleit Bright Star (HR) 5694, Bonner Durchmusterung (BD) +2°2944, Aitken Double Star (ADS) 9584, Smithsonian Astrophysical Observatory (SAO) 120946, Luyten Half-Second (LHS) 3059, Luyten Two-Tenth (LTT) 14550, AGK3 +1°1716
Heavy element abundance: 76% of Sol
Standard error in heavy element abundance: 26%
Source for heavy element abundance: Strobel [Fe/H] Determinations
Arity: binary
Right Ascension and Declination: 15h19m18.79s, +1°45'55.56" (epoch 2000.0)
Distance from Sol: 80.7 light-years (24.7 parsecs)
Standard error in distance: 1.96%
Source for distance: Hipparcos
Celestial (X,Y,Z) coordinates in ly: -52.0, -61.6, 2.49
Galactic (X,Y,Z) coordinates in ly: 56.1, 3.97, 57.9
Proper motion: 0.635 arcsec/yr (143.8° from north)
Radial Velocity: 53.5 km/sec
Source for proper motion: Catalogue of Components of Double and Multiple stars
Source for radial velocity: Evans 1978
Galactic (U,V,W) velocity components in km/s: 90.0, -12.7, -11.8

What do all these fields mean?

Data for A and B's orbit around one other:
Combined absolute visual magnitude: +3.07
Combined visual luminosity: 5.13 x Sol
Observed Separation: 277 A.U.s
Source for orbit data: Hoffleit Bright Star
As seen from A:
     B would appear as magnitude -11.63
As seen from B:
     A would appear as magnitude -16.27


Component A:
Catalog numbers:
     Hipparcos Input Catalog (HIC) 74975
Spectral class: F8
Luminosity Class: III-IV
Apparent visual magnitude: +5.06
Absolute visual magnitude: +3.09
Visual luminosity: 5.06 x Sol
Color indices: B-V= +0.54, U-B= +0.06, R-I= +0.27
Comfort Zone (visual): 2.25 A.U.s


Component B:
Apparent visual magnitude: +9.70
Absolute visual magnitude: +7.73
Visual luminosity: 0.070 x Sol
Comfort Zone (visual): 0.27 A.U.s

light-years
but not more than light-years away
Data for this star system were most recently updated on 16-September-2001.