HR1722

Above the horizon. Circumpolar today

Alt: 69.14° Az: 256.59° Direction: West-South-West

HR1722 is a variable giant star of spectral class M4 in the constellation of Auriga.

HR1722 visual magnitude is 5.48. Because of its faintness, HR1722 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 HR1722. The red arrow shows the motion of HR1722 during the next 10000 years (6.33 arcmin in Right Ascension and -3.83 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 05h 20m 02s

Declination +42° 48’ 59”

Hour Angle 01h 52m 43s

Sideral Time 07h 12m 45s

J2000

Right Ascension 05h 18m 15s

Declination +42° 47’ 31”

Galactic Coordinates

Galactic Longitude 165.38°

Galactic Latitude 2.95°

Finder Chart

Simplified finder chart for HR1722.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.48

Class Giant

Absolute magnitude -1.16

Spectral Type M4III

Color Index (B-V) 1.65

Temperature 3581K

The red dot in the diagram below shows where HR1722 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1722. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR1722 is distant 693.62 light years from the Sun and it is moving towards the Sun at the speed of 38 kilometers per second.

Distance (parsec) 212.77

Distance (light year) 693.62

Radial Speed -38 km/s

Proper Motion RA 0.038 arcsec/y

Proper Motion Dec -0.023"/y

Alternative Designations

Henry Draper Catalogue HD34269

SAO Catalogue SAO40214

Hipparcos Catalogue HIP24738

Durchmusterung Catalogue BD+42 1239

General Catalogue of Variable Stars PU Aur

Visibility from Your Location

HR1722 is circumpolar and transits at 04:26 UTC (altitude: 81.3°)

Set Location

Other stars in Auriga