Porrima (star)

Porrima A
Spectral	F0 V
Type	Main Sequence
Multiple	Binary
Luminosity	4.0 LSol
Absolute magnitude	3.12
Mag Terra	3.65
Temperature	7100° K
Mass	1.56 MSol
Radius	1.2 RSol
Companion	Porrima B

Porrima B
Spectral	F0 V
Type	Main Sequence
Multiple	Companion
Luminosity	4.0 LSol
Absolute magnitude	3.14
Mag Terra	3.56
Temperature	6755° K
Mass	1.5 MSol
Radius	1.2 RSol

Porrima (otherwise known as Arich or Gamma Virginis) is a binary star system composed of two nearly identical white main sequence stars of spectral type F0.

Description (Specifications)

The two stars of the Porrima system have an orbital period of 168.93 years.

• They have a highly eccentric orbit about one another, with an average separation of 43AU, a periastron of 5AU and an apastron of 81AU.

History & Background (Dossier)

The Porrima star system is approximately 11.7pc from Terra, and is located in a Trailing direction from Terra at bearing 297.8^o Galactic Longitude and +61.3^o North Galactic Latitude.

References & Contributors (Sources)

This article has metadata.

This page uses content from Wikipedia. The original article was at Gamma_Virginis. 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.

• MegaTraveller CD-ROM: Preliminary Traveller Map (Hand-drawn)
• EXTERNAL LINK: SIMBAD @ University of Strasbourg: [1]
• EXTERNAL LINK: STARS (University of Illinois - Prof. Jim Kaler): [2]
• Traveller Wiki Editorial Team
• Author & Contributor: WHULorigan
• Author & Contributor: Lord (Marquis) and Master of Sophontology Maksim-Smelchak of the Ministry of Science