Get it on Google Play
New! Download Unionpedia on your Androidâ„¢ device!
Faster access than browser!
And Ads-free!
New! » Create account

9 Aquarii is a yellow giant with a spectral type G8III and an absolute magnitude of 7.38 in the constellation Aquarius. [1]

7 relations: Absolute magnitude, Aquarius (constellation), Giant star, Henry Draper Catalogue, Hipparcos, Smithsonian Astrophysical Observatory Star Catalog, Stellar classification.

Absolute magnitude is the measure of intrinsic brightness of a celestial object.

New!!: 9 Aquarii and Absolute magnitude · See more »

Aquarius is a constellation of the zodiac, situated between Capricornus and Pisces.

New!!: 9 Aquarii and Aquarius (constellation) · See more »

A giant star is a star with substantially larger radius and luminosity than a main-sequence (or dwarf) star of the same surface temperature.

New!!: 9 Aquarii and Giant star · See more »

The Henry Draper Catalogue (HD) is an astronomical star catalogue published between 1918 and 1924, giving spectroscopic classifications for 225,300 stars; it was later expanded by the Henry Draper Extension (HDE), published between 1925 and 1936, which gave classifications for 46,850 more stars, and by the Henry Draper Extension Charts (HDEC), published from 1937 to 1949 in the form of charts, which gave classifications for 86,933 more stars.

New!!: 9 Aquarii and Henry Draper Catalogue · See more »

Hipparcos was a scientific satellite of the European Space Agency (ESA), launched in 1989 and operated until 1993.

New!!: 9 Aquarii and Hipparcos · See more »

The Smithsonian Astrophysical Observatory Star Catalog is an astrometric star catalogue.

New!!: 9 Aquarii and Smithsonian Astrophysical Observatory Star Catalog · See more »

In astronomy, stellar classification is the classification of stars based on their spectral characteristics.

New!!: 9 Aquarii and Stellar classification · See more »


[1] https://en.wikipedia.org/wiki/9_Aquarii

Hey! We are on Facebook now! »