HR4155

Above the horizon. Rise: 6:42 | Tran: 11:46 | Set: 16:49

Alt: 14.49° Az: 129.27° Direction: South-East

HR4155 is a hypergiant star of spectral class F0 in the constellation of Sextans.

HR4155 visual magnitude is 6.57. Because of its faintness, HR4155 is not visible to the naked eye.

DSS2 image of HR4155. The red arrow shows the motion of HR4155 during the next 10000 years (3.00 arcmin in Right Ascension and -5.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 10h 37m 31s

Declination -10° 42’ 43”

Hour Angle 20h 41m 07s

Sideral Time 07h 18m 39s

J2000

Right Ascension 10h 36m 17s

Declination -10° 34’ 59”

Galactic Coordinates

Galactic Longitude 257.37°

Galactic Latitude 40.04°

Finder Chart

Simplified finder chart for HR4155.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.57

Class Hypergiant

Absolute magnitude 2.77

Spectral Type F0V

Color Index (B-V) 0.29

Temperature 7526K

The red dot in the diagram below shows where HR4155 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4155. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR4155 is distant 187.68 light years from the Sun and it is moving towards the Sun at the speed of 22 kilometers per second.

Distance (parsec) 57.57

Distance (light year) 187.68

Radial Speed -22 km/s

Proper Motion RA 0.018 arcsec/y

Proper Motion Dec -0.033"/y

Alternative Designations

Henry Draper Catalogue HD91858

SAO Catalogue SAO156092

Hipparcos Catalogue HIP51907

Durchmusterung Catalogue BD-09 3108

Visibility from Your Location

Today's HR4155 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 100.7° RISE 6:42

Max altitude: 27.8° TRANSIT 11:46

Azimuth: 259.3° SET 16:49

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

Location

Other stars in Sextans