HR8102

Below the horizon. Rise: 21:04 | Tran: 2:33 | Set: 8:06

Alt: -45.04° Az: 84.20° Direction: East

HR8102 is a variable hypergiant star of spectral class F0 in the constellation of Aquarius.

HR8102 visual magnitude is 6.48. Because of its faintness, HR8102 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 HR8102. The red arrow shows the motion of HR8102 during the next 10000 years (6.50 arcmin in Right Ascension and 0.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 21h 13m 05s

Declination -14° 21’ 59”

Hour Angle 15h 06m 05s

Sidereal Time 12h 19m 11s

J2000

Right Ascension 21h 11m 41s

Declination -14° 28’ 19”

Galactic Coordinates

Galactic Longitude 35.19°

Galactic Latitude -37.52°

Finder Chart

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Finder chart for HR8102.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.48

Class Hypergiant

Absolute magnitude 0.83

Spectral Type F0

Color Index (B-V) 0.28

Temperature 7591K

The red dot in the diagram below shows where HR8102 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8102. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR8102 is distant 438.76 light years from the Sun and it is moving towards the Sun at the speed of 39 kilometers per second.

Distance (parsec) 134.59

Distance (light year) 438.76

Radial Speed -39 km/s

Proper Motion RA 0.039 arcsec/y

Proper Motion Dec 0.004"/y

Alternative Designations

Henry Draper Catalogue HD201707

SAO Catalogue SAO164204

Hipparcos Catalogue HIP104634

Durchmusterung Catalogue BD-15 5908

General Catalogue of Variable Stars EW Aqr

Visibility from Your Location

Today's HR8102 rise, transit and set times from Baizhang, China are the following (all times relative to the local timezone Asia/Shanghai):

Azimuth: 104.4° RISE 21:04

Max altitude: 49.5° TRANSIT 2:33

Azimuth: 255.6° SET 8:06

Name:	Baizhang, China
Latitude:	26° 10' 54.1" N
Longitude:	118° 48' 25.2" E
Timezone:	Asia/Shanghai

Set Location

Other stars in Aquarius