Theta Ophiuchi (star)
(Redirected from Kaki (star))
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| Theta Ophiuchi A | |
| |
| Spectral | B2 IV |
| Type | Subgiant |
| Multiple | Trinary (Primary) |
| Luminosity | 5000 LSol |
| Absolute magnitude | -2.4 |
| Mag Terra | 3.26 |
| Temperature | 22,250° K |
| Mass | 8.8 MSol |
| Radius | 6.3 RSol |
| Theta Ophiuchi B | |
|
| |
| Spectral | ? |
| Type | |
| Multiple | Close Companion |
| Luminosity | LSol |
| Absolute magnitude | |
| Temperature | ° K |
| Theta Ophiuchi C | |
|
| |
| Spectral | B5 V |
| Type | Main Sequence |
| Multiple | Far Companion |
| Luminosity | LSol |
| Absolute magnitude | |
| Mag Terra | 5.5 |
| Temperature | ° K |
| Mass | ~7 MSol |
The star Theta Ophiuchi (otherwise known as Kaki) is a trinary star system whose primary is a blue-white Beta Cephei type variable subgiant star of spectral classification B2.
- The system is a member of the Upper Scorpius sub-group in the Scorpius-Centaurus OB association.
Description (Specifications)[edit]
Theta Ophiuchi appears to be a triple star system.
- The brightest components (Theta Ophiuchi A and B) are a binary composed of a B2 IV subgiant orbited by a close companion at > 0.25AU, which have an orbital period about one another of 56.71 days and an eccentricity of e=0.17.
- The tertiary component (Theta Ophiuchi C) has a stellar classification of B5 V.
The Theta Ophiuchi star system is approximately 133.7pc from Terra, and is located in a Coreward/Coretrailing direction from Terra at bearing 000.5o Galactic Longitude and +06.6o North Galactic Latitude.
History & Background (Dossier)[edit]
Theta Ophiuchi is the primary star of the world Theta Ophi/Maidza (Mendan 2331).
Image Repository[edit]
TravellerMap (T5SS):
[1]
References & Contributors (Sources)[edit]
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This page uses content from Wikipedia. The original article was at Theta_Ophiuchi. The list of authors can be seen in the page history. The text of Wikipedia is available under the Commons Attribution-ShareAlike 3.0 Unported License. |
This list of sources was used by the Traveller Wiki Editorial Team and individual contributors to compose this article. Copyrighted material is used under license from Mongoose Publishing or by permission of the author. The page history lists all of the contributions.
- EXTERNAL LINK: SIMBAD @ University of Strasbourg: [2]
- EXTERNAL LINK: STARS (University of Illinois - Prof. Jim Kaler): [3]
- Author & Contributor: WHULorigan