36 Ophiuchi

|- ! style="background-color: #FFFFC0; text-align: center;" colspan="2"| Characteristics |-

|-

|- style="vertical-align:top"

|- style="vertical-align:top" ! style="text-align:left" | Spectral type | K0 Ve/K1 Ve/K5 V |- style="vertical-align:top"

|- style="vertical-align:top"

|- style="vertical-align:top"

|- style="vertical-align:top" ! style="text-align:left" | Variable type | ? |- style="vertical-align:top"

|- style="vertical-align:top"

AstrometryRadial velocity (R_v)+0.0/+0.5/-0.6 km/sProper motion (μ) RA: -0.47369 mas/yr
Dec.: -1.14393 mas/yr Parallax (π)0.16751 ± 0.00075 masDistance19.46 ly
(5.970 pc)Absolute magnitude (M_V)5.44//7.44 OrbitCompanion36 Ophiuchi BPeriod (P)568.9 yrSemi-major axis (a)14.7″Eccentricity (e)0.922Inclination (i)99.6°Longitude of the node (Ω)-83.6°Periastron epoch (T)1763.39 DetailsMass0.85/0.85/0.71 M_☉Radius0.81/0.81/0.72 R_☉Luminosity0.28/0.27/0.09 L_☉Temperature? KMetallicity50-98/120-250/46-100Rotation?Age? years Other designations

36 Oph, GJ 663 AB, 664, HR 6402/6401/-, CD CD-26°12026, HD 156026, GCTP 3908.00 AB/3913.00, LHS 437/438/439, SAO 185198/185199/185213, HIP 84405/84478.

|} 36 Ophiuchi is a triple star system 19.5 light years away from Earth. It is in constellation Ophiuchus.

The primary and secondary stars are nearly identical orange main sequence dwarves of spectral type K0/K1 and the tertiary star is an orange main sequence dwarf of spectral type K5.

References

A.W. Irwin et al, "36 Ophiuchi AB: Incompatibility of the Orbit and Precise Radial Velocities", Publications of the Astronomical Society of the Pacific, July, 1996.

External links

"36 Ophiuchi". SolStation. November 3. {{cite web}}: Check date values in: |date= and |year= / |date= mismatch (help)

This star-related article is a stub. You can help Wikipedia by expanding it.