11 Orionis

Above the horizon. Rise: 22:44 | Tran: 6:07 | Set: 13:26

Alt: 10.04° Az: 282.22° Direction: West-North-West

11 Orionis is a variable hypergiant star of spectral class A0 in the constellation of Orion.

11 Orionis visual magnitude is 4.68. Because of its moderate brightness, 11 Orionis 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.

DSS2 image of 11 Orionis. The red arrow shows the motion of 11 Orionis during the next 10000 years (2.67 arcmin in Right Ascension and -5.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 05h 05m 58s

Declination +15° 26’ 12”

Hour Angle 06h 12m 58s

Sideral Time 11h 18m 57s

J2000

Right Ascension 05h 04m 34s

Declination +15° 24’ 15”

Galactic Coordinates

Galactic Longitude 186.18°

Galactic Latitude -15.35°

Finder Chart

Simplified finder chart for 11 Orionis.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.68

Class Hypergiant

11 Orionis is also a Si chemically peculiar star.

Absolute magnitude -0.76

Spectral Type A0

Color Index (B-V) -0.06

Temperature 10941K

The red dot in the diagram below shows where 11 Orionis is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 11 Orionis. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

11 Orionis is distant 400.00 light years from the Sun and it is moving far from the Sun at the speed of 17 kilometers per second.

Distance (parsec) 122.70

Distance (light year) 400.00

Radial Speed 17 km/s

Proper Motion RA 0.016 arcsec/y

Proper Motion Dec -0.034"/y

Alternative Designations

Flamsteed designation 11 Orionis

Henry Draper Catalogue HD32549

SAO Catalogue SAO94290

Hipparcos Catalogue HIP23607

Durchmusterung Catalogue BD+15 732

FK5 Catalogue 1140

General Catalogue of Variable Stars V1032 Ori

Visibility from Your Location

Today's 11 Orionis rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 74.6° RISE 22:44

Max altitude: 54.0° TRANSIT 6:07

Azimuth: 285.4° SET 13:26

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

Location

Other stars in Orion