HR122

Above the horizon. Rise: 16:02 | Tran: 1:50 | Set: 11:35

Alt: 59.31° Az: 248.26° Direction: West-South-West

HR122 is a double giant star of spectral class K1 in the constellation of Andromeda.

HR122 visual magnitude is 5.87. Because of its faintness, HR122 is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

DSS2 image of HR122. The red arrow shows the motion of HR122 during the next 10000 years (7.83 arcmin in Right Ascension and -3.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 00h 32m 44s

Declination +33° 43’ 04”

Hour Angle 02h 18m 58s

Sideral Time 02h 51m 43s

J2000

Right Ascension 00h 31m 25s

Declination +33° 34’ 54”

Galactic Coordinates

Galactic Longitude 118.16°

Galactic Latitude -29.1°

Finder Chart

Simplified finder chart for HR122.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.87

Class Giant

Absolute magnitude 0.09

Spectral Type K1III

Color Index (B-V) 1.14

Temperature 4430K

The red dot in the diagram below shows where HR122 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR122. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR122 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR122 double sysyem:

Main star magnitude 5.87

Secondary star magnitude 8.27

Magnitude difference 2.4

Separation 56.4 arcsec

Distance, Radial Speed, Proper Motion

HR122 is distant 467.05 light years from the Sun and it is moving far from the Sun at the speed of 9 kilometers per second.

Distance (parsec) 143.27

Distance (light year) 467.05

Radial Speed 9 km/s

Proper Motion RA 0.047 arcsec/y

Proper Motion Dec -0.019"/y

Alternative Designations

Henry Draper Catalogue HD2767

SAO Catalogue SAO53956

Hipparcos Catalogue HIP2475

Durchmusterung Catalogue BD+32 80

Visibility from Your Location

Today's HR122 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 56.3° RISE 16:02

Max altitude: 72.2° TRANSIT 1:50

Azimuth: 303.7° SET 11:35

Name:	Greenwich, UK
Latitude:	51° 28' 48.0" N
Longitude:	0° 0' 0.0" E
Timezone:	Europe/London

Location

Other stars in Andromeda