α Sextantis (alpha Sextantis)

Above the horizon. Rise: 5:18 | Tran: 11:13 | Set: 17:09

Alt: 10.15° Az: 103.83° Direction: East-South-East

α Sextantis is a hypergiant star of spectral class A0 in the constellation of Sextans.

α Sextantis visual magnitude is 4.49. Because of its moderate brightness, α Sextantis is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

Image of α Sextantis (alpha Sextantis) star

DSS2 image of α Sextantis. The red arrow shows the motion of α Sextantis during the next 10000 years (-2.67 arcmin in Right Ascension and -2.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 10h 09m 12s

Declination -00° 29’ 35”

Hour Angle 19h 08m 21s

Sideral Time 05h 17m 34s

J2000

Right Ascension 10h 07m 56s

Declination -00° 22’ 18”

Galactic Coordinates

Galactic Longitude 241.11°

Galactic Latitude 42.07°

Finder Chart

Simplified finder chart for α Sextantis (alpha Sextantis).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.49

Class Hypergiant

Absolute magnitude -0.24

Spectral Type A0III

Color Index (B-V) -0.04

Temperature 10653K

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

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

Distance, Radial Speed, Proper Motion

α Sextantis is distant 287.22 light years from the Sun and it is moving far from the Sun at the speed of 7 kilometers per second.

Distance (parsec) 88.11

Distance (light year) 287.22

Radial Speed 7 km/s

Proper Motion RA -0.016 arcsec/y

Proper Motion Dec -0.013"/y

Alternative Designations

Bayer designation α Sextantis
(alpha Sextantis)

Flamsteed designation 15 Sextantis

Henry Draper Catalogue HD87887

SAO Catalogue SAO137366

Hipparcos Catalogue HIP49641

Durchmusterung Catalogue BD+00 2615

FK5 Catalogue 2814

Visibility from Your Location

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

Azimuth: 90.5° RISE 5:18

Max altitude: 38.0° TRANSIT 11:13

Azimuth: 269.5° SET 17:09

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

Location

Other stars in Sextans