HR8172

Below the horizon. Rise: 2:58 | Tran: 6:51 | Set: 10:44

Alt: -19.77° Az: 101.72° Direction: East-South-East

HR8172 is a giant star of spectral class M1 in the constellation of Capricornus.

HR8172 visual magnitude is 5.6. Because of its faintness, HR8172 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 HR8172. The red arrow shows the motion of HR8172 during the next 10000 years (6.17 arcmin in Right Ascension and 1.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 21h 24m 27s

Declination -22° 33’ 33”

Hour Angle 17h 44m 49s

Sidereal Time 15h 09m 16s

J2000

Right Ascension 21h 23m 00s

Declination -22° 40’ 08”

Galactic Coordinates

Galactic Longitude 26.31°

Galactic Latitude -42.85°

Finder Chart

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Finder chart for HR8172.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.6

Class Giant

Absolute magnitude -0.95

Spectral Type M1III

Color Index (B-V) 1.63

Temperature 3608K

The red dot in the diagram below shows where HR8172 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8172. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR8172 is distant 666.67 light years from the Sun and it is moving towards the Sun at the speed of 7 kilometers per second.

Distance (parsec) 204.50

Distance (light year) 666.67

Radial Speed -7 km/s

Proper Motion RA 0.037 arcsec/y

Proper Motion Dec 0.01"/y

Alternative Designations

Henry Draper Catalogue HD203475

SAO Catalogue SAO190285

Hipparcos Catalogue HIP105576

Durchmusterung Catalogue CD-2316877

Visibility from Your Location

Today's HR8172 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 112.6° RISE 2:58

Max altitude: 16.0° TRANSIT 6:51

Azimuth: 247.4° SET 10:44

Set Location

Other stars in Capricornus