μ1 Gruis (mu1 Gruis)

Below the horizon. Rise: 1:00 | Tran: 4:11 | Set: 7:21

Alt: -29.72° Az: 121.23° Direction: East-South-East

μ1 Gruis is a giant star of spectral class G8 in the constellation of Grus.

μ1 Gruis visual magnitude is 4.79. Because of its moderate brightness, μ1 Gruis is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

DSS2 image of μ1 Gruis. The red arrow shows the motion of μ1 Gruis during the next 10000 years (7.33 arcmin in Right Ascension and 3.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 22h 17m 08s

Declination -41° 13’ 07”

Hour Angle 17h 23m 20s

Sidereal Time 15h 40m 28s

J2000

Right Ascension 22h 15m 36s

Declination -41° 20’ 48”

Galactic Coordinates

Galactic Longitude 358.65°

Galactic Latitude -55.16°

Finder Chart

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Finder chart for μ1 Gruis (mu1 Gruis).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.79

Class Giant

Absolute magnitude 0.26

Spectral Type G8III

Color Index (B-V) 0.8

Temperature 5281K

The red dot in the diagram below shows where μ1 Gruis is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of μ1 Gruis. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

μ1 Gruis is distant 262.06 light years from the Sun and it is moving towards the Sun at the speed of 7 kilometers per second.

Distance (parsec) 80.39

Distance (light year) 262.06

Radial Speed -7 km/s

Proper Motion RA 0.044 arcsec/y

Proper Motion Dec 0.022"/y

Alternative Designations

Bayer designation μ1 Gruis
(mu1 Gruis)

Henry Draper Catalogue HD211088

SAO Catalogue SAO231055

Hipparcos Catalogue HIP109908

Durchmusterung Catalogue CD-4114810

FK5 Catalogue 3777

Visibility from Your Location

Today's μ1 Gruis (mu1 Gruis) rise, transit and set times from Palo Alto, United States are the following (all times relative to the local timezone America/Los_Angeles):

Azimuth: 131.2° RISE 1:00

Max altitude: 11.3° TRANSIT 4:11

Azimuth: 228.8° SET 7:21

Name:	Palo Alto, United States
Latitude:	37° 26' 30.8" N
Longitude:	122° 8' 34.8" W
Timezone:	America/Los_Angeles

Set Location

Other stars in Grus