36 Ophiuchi: Difference between revisions

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

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

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

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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.

@@ Line 1: / Line 1: @@
+{{Starbox base|
+  name=36 Ophiuchi A/B/C |
+  epoch=J2000 |
+  ra=17h 15/15/16m 21/21/13.4s |
+  dec=-26&deg; 36/36/32' 10/10/46" |
+  appmag_v=4.32//6.32 |
+  constell=[[Ophiuchus]] }}
+{{Starbox character |
+  class= K0 Ve/K1 Ve/K5 V |
+  b-v=0.85/?/1.15 |
+  u-b=0.51/?/1.04 |
+  variable=? }}
+{{Starbox astrometry |
+  radial_v=+0.0/+0.5/-0.6 |
+  prop_mo_ra=-0.47369 |
+  prop_mo_dec=-1.14393 |
+  parallax=0.16751 |
+  p_error=0.00075 |
+  dist_ly=19.46 |
+  dist_pc=5.970 |
+  absmag_v=5.44//7.44 }}
+{{Starbox visbin |
+  name=36 Ophiuchi B |
+  period=568.9 |
+  axis=14.7 |
+  eccentricity=0.922 |
+  inclination=99.6 |
+  node=-83.6 |
+  periastron=1763.39 }}
+{{Starbox detail|
+  age=? |
+  metal=50-98/120-250/46-100 |
+  mass=0.85/0.85/0.71 |
+  radius=0.81/0.81/0.72 |
+  rotation=? |
+  luminosity=0.28/0.27/0.09 |
+  temperature=? }}
+{{Starbox catalog |
+  names=36 Oph, [[Gliese-Jahreiss catalogue|GJ]] 663 AB, 664, [[Harvard Revised catalogue|HR]] 6402/6401/-, [[Cordoba Durchmusterung|CD]] CD-26&deg;12026, [[Henry Draper catalogue|HD]] 156026, [[General Catalogue of Trigonometric Parallaxes|GCTP]] 3908.00 AB/3913.00, [[Luyten Half-Second catalogue|LHS]] 437/438/439, [[Smithsonian Astrophysical Observatory|SAO]] 185198/185199/185213, [[Hipparcos catalogue|HIP]] 84405/84478. }}
+{{Starbox end}}
 '''36 Ophiuchi''' is a [[triple star]] system 19.5 [[light year]]s away from [[Earth]].  It is in constellation [[Ophiuchus]].
-The primary and secondary stars is an orange [[main sequence]] dwarf of [[spectral type]] K1 and the tertiary star is an orange [[main sequence]] dwarf of [[spectral type]] K5.
+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==