Sections

Asteroids
Clusters
Comets
Concepts
Constellations
Galaxies
Moons
Nebulae
Planets
Stars
Surface Features

Catalogues

Star Names
Bayer Stars
Flamsteed Stars
Other Stars
- HR (BSC) Stars
- HD Stars
- Variable Stars
Messier Objects
Caldwell Objects
NGC Objects
IC Objects

Tools and Links

Planet Wheel
Sky Maps
Galactic Map
Latest Updates
Full Site Index
Links and Awards
E-mail

Galactic Map

Show the direction and distance to this object on the Galactic Map.

Theta Arae

Blue supergiant in Ara

Show on Sky Map

Proper Name	None
Bayer Designation	Theta Arae
Flamsteed Number	None
HR (BSC)	6743
HD	165024
Constellation	Ara
Right Ascension	18h 6m 38s
Declination	-50° 5' 29"
Distance	c.1,100 light years c.300 parsecs
Magnitude	Apparent: +3.67 Absolute: -3.98
Spectral Class	B2Ib blue supergiant
Optimum Visibility	July (Usually visible from southern latitudes)

Imagery provided by Aladin sky atlas

More than a thousand light years from the Sun, Theta Arae shines with a brilliant blue light. This supergiant star is so luminous, in fact, that despite its great distance, it can be seen from Earth without any optical aid.

Indexes

Main Index
Bayer Stars Index

Related Entries

v2.1g