7 Cancri

7 Cancri (7 Cnc) is a giant star in the constellation Cancer. ^[1]

12 relations: Apparent magnitude, Bright Star Catalogue, Cancer (constellation), Constellation, Flamsteed designation, Gaia (spacecraft), Gaia catalogues, Giant star, Hipparcos, Luminosity, Main sequence, Red-giant branch.

Apparent magnitude

Apparent magnitude is a measure of the brightness of a star or other astronomical object.

The Bright Star Catalogue, also known as the Yale Catalogue of Bright Stars, Yale Bright Star Catalogue, or just YBS, is a star catalogue that lists all stars of stellar magnitude 6.5 or brighter, which is roughly every star visible to the naked eye from Earth.

See 7 Cancri and Bright Star Catalogue

Cancer (constellation)

Cancer is one of the twelve constellations of the zodiac and is located in the Northern celestial hemisphere.

See 7 Cancri and Cancer (constellation)

Constellation

A constellation is an area on the celestial sphere in which a group of visible stars forms a perceived pattern or outline, typically representing an animal, mythological subject, or inanimate object.

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Flamsteed designation

A Flamsteed designation is a combination of a number and constellation name that uniquely identifies most naked eye stars in the modern constellations visible from southern England.

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Gaia (spacecraft)

Gaia is a space observatory of the European Space Agency (ESA), launched in 2013 and expected to operate until 2025.

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Gaia catalogues

The Gaia catalogues are star catalogues created using the results obtained by Gaia space telescope.

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Giant star

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

See 7 Cancri and Giant star

Hipparcos

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

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Luminosity

Luminosity is an absolute measure of radiated electromagnetic energy (light) per unit time, and is synonymous with the radiant power emitted by a light-emitting object.

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Main sequence

In astronomy, the main sequence is a classification of stars which appear on plots of stellar color versus brightness as a continuous and distinctive band.

See 7 Cancri and Main sequence

Red-giant branch

The red-giant branch (RGB), sometimes called the first giant branch, is the portion of the giant branch before helium ignition occurs in the course of stellar evolution.

See 7 Cancri and Red-giant branch

References

[1] https://en.wikipedia.org/wiki/7_Cancri

Also known as 7 Cnc.

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