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🌎  Greenwich, United Kingdom [change]

Gienah - γ Corvi (gamma Corvi)

Gienah, also designated as γ Corvi (gamma Corvi), is a variable giant star in the constellation of Corvus.

Gienah visual magnitude is 2.59, making it the 98th brightest star in the sky. Thanks to its high brightness, Gienah is clearly visible when observed from locations with dark skyes, and should be also quite easily visible from light polluted areas.

The table below summarizes the key facts about Gienah:

2.59
Giant
Gienah - γ Corvi (gamma Corvi) is above the horizon from Greenwich, United Kingdom [change]. Altitude: 21°.

Celestial coordinates and finder chart of Gienah

Gienah is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of Gienah are provided in the following table:

12h 15m 48s
-17° 32’ 30”
290.99°
44.5°
Corvus

The simplified sky map below shows the position of Gienah in the sky:

Finder chart Gienah - γ Corvi (gamma Corvi) star
Simplified finder chart for Gienah - γ Corvi (gamma Corvi).

Visibility of Gienah from your location

Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's Gienah - γ Corvi (gamma Corvi) rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 107.5°
Max altitude: 21.0°
Azimuth: 252.5°
Gienah - γ Corvi (gamma Corvi) is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of Gienah

The image below is a photograph of Gienah from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of Gienah is -0.161 arcsec per year in Right Ascension and 0.023 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of Gienah - γ Corvi (gamma Corvi) star
DSS2 image of Gienah. The red arrow shows the motion of Gienah during the next 1000 years (-2.68 arcmin in Right Ascension and 0.38 arcmin in declination);

Distance of Gienah from the Sun and relative movement

Gienah is distant 164.81 light years from the Sun and it is moving towards the Sun at the speed of 4 kilometers per second.

50.56 pc
164.81 ly
-4 km/s
-0.161 arcsec/year
0.023 arcsec/year

Spectral properties of Gienah

Gienah belongs to spectral class B8 and has a luminosity class of III corresponding to a giant star. Gienah is also a HgMn chemically peculiar star.

-0.93
B8III
11744K

The red dot in the diagram below shows where Gienah is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of Gienah. Attribution: Richard Powell / CC BY-SA

Alternative designations of Gienah

Gienah
γ Corvi
(gamma Corvi)
SAO157176
SAO157176