Overview

F star


'F star' can also refer to...

F star

Star formation in the ultraluminous infrared galaxy F00183-7111

Evidence for the nearby F4V star λ Ara as a binary system

Discovery of the nearby F6V star HR 3220 as a field blue straggler

The radius and other fundamental parameters of the F9 V star β Virginis

Atmospheric Abundances of Light Elements in the F-Type Star Procyon

Discovery of a low-mass companion to the F7V star HD 984

A search for star formation around the Galactic halo B-type star PHL 346 with the 2dF spectrograph

The 2dF-SDSS LRG and QSO Survey: the star formation histories of luminous red galaxies

Galaxy pairs in the 2dF survey — I. Effects of interactions on star formation in the field

The first planet detected in the WTS: an inflated hot Jupiter in a 3.35 d orbit around a late F star⋆

Erratum: The first planet detected in the WTS: an inflated hot-Jupiter in a 3.35 d orbit around a late F star

Asteroseismic measurement of slow, nearly uniform surface-to-core rotation in the main-sequence F star KIC 9244992

CIR modulation of the X-ray flux from the O7.5 III(n)((f)) star ξ Persei★?

Galaxy groups in the 2dF Galaxy Redshift Survey: effects of environment on star formation

CstF-64 and 3′-UTR cis-element determine Star-PAP specificity for target mRNA selection by excluding PAPα

STAINES, Herbert J. (died 1958), JP; Chairman of Directors, F. Moody & Co. Ltd, Bath; Director: Sheffield Building Soc.; Painted Fabrics Ltd Sheffield; Sheffield Telegraph & Star Ltd

HART, F(rancis) Dudley (1909 - 2004), Physician, and Physician-in-charge Rheumatism Unit, Westminster Hospital, SW1, 1946–74; Emeritus Physician: Hospital of St John and St Elizabeth, London; Westminster Hospital; lately Consulting Rheumatologist, The Star and Garter Home for Disabled Sailors, Soldiers and Airmen, Richmond; lately Hon. Consulting Physician (Civilian) to the Army

 

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A star of spectral type F, slightly hotter and more massive than the Sun, and white in colour. On the main sequence, F-type stars have temperatures of 6100–7200 K, while supergiants are a few hundred degrees cooler. Masses are 1.2–1.6 solar masses, and luminosities 2–6.5 times the Sun’s on the main sequence, but F-type supergiants have masses up to 12 solar masses and luminosities up to 32 000 times the Sun's. The hydrogen Balmer lines weaken dramatically from spectral type F0 to F9, while the calcium H and K lines increase in strength and many other metal lines start to become visible. Canopus, Polaris, and Procyon are F-type stars.

Subjects: Astronomy and Astrophysics.


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