HR2422

Above the horizon. Rise: 1:23 | Tran: 7:51 | Set: 14:20

Alt: 23.22° Az: 110.66° Direction: East-South-East

HR2422 is a variable star of spectral class O8 in the constellation of Monoceros.

HR2422 visual magnitude is 6.06. Because of its faintness, HR2422 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 HR2422. The red arrow shows the motion of HR2422 during the next 100000 years (10.00 arcmin in Right Ascension and -1.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 06h 38m 43s

Declination +06° 06’ 45”

Hour Angle 20h 00m 32s

Sideral Time 02h 39m 16s

J2000

Right Ascension 06h 37m 24s

Declination +06° 08’ 07”

Galactic Coordinates

Galactic Longitude 205.87°

Galactic Latitude -0.31°

Finder Chart

Simplified finder chart for HR2422.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.06

Class

Absolute magnitude -23.94

Spectral Type O8

Color Index (B-V) 0.05

Temperature 9542K

The red dot in the diagram below shows where HR2422 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR2422. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR2422 is distant 32,600,000.00 light years from the Sun and it is moving far from the Sun at the speed of 25 kilometers per second.

Distance (parsec) 10,000,000.00

Distance (light year) 32,600,000.00

Radial Speed 25 km/s

Proper Motion RA 0.006 arcsec/y

Proper Motion Dec -0.001"/y

Alternative Designations

Henry Draper Catalogue HD47129

SAO Catalogue SAO114146

Hipparcos Catalogue HIP31646

Durchmusterung Catalogue BD+06 1309

General Catalogue of Variable Stars V640 Mon

Visibility from Your Location

Today's HR2422 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 83.9° RISE 1:23

Max altitude: 44.6° TRANSIT 7:51

Azimuth: 276.1° SET 14:20

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

Location

Other stars in Monoceros