HR1911

Above the horizon. Rise: 23:49 | Tran: 5:20 | Set: 10:48

Alt: 32.36° Az: 184.96° Direction: South

HR1911 is a variable and double main-sequence star of spectral class B1 in the constellation of Orion.

HR1911 visual magnitude is 5.72. Because of its faintness, HR1911 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 HR1911. The red arrow shows the motion of HR1911 during the next 10000 years (-0.83 arcmin in Right Ascension and -2.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 05h 37m 48s

Declination -06° 03’ 04”

Hour Angle 00h 16m 49s

Sideral Time 05h 54m 38s

J2000

Right Ascension 05h 36m 35s

Declination -06° 03’ 54”

Galactic Coordinates

Galactic Longitude 209.81°

Galactic Latitude -19.39°

Finder Chart

Simplified finder chart for HR1911.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.72

Class Main-sequence

Absolute magnitude -3.13

Spectral Type B1V

Color Index (B-V) -0.22

Temperature 14087K

The red dot in the diagram below shows where HR1911 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1911. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR1911 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR1911 double sysyem:

Main star magnitude 5.72

Secondary star magnitude 8.92

Magnitude difference 3.2

Separation 5.2 arcsec

Distance, Radial Speed, Proper Motion

HR1911 is distant 1,917.65 light years from the Sun and it is moving far from the Sun at the speed of 28 kilometers per second.

Distance (parsec) 588.24

Distance (light year) 1,917.65

Radial Speed 28 km/s

Proper Motion RA -0.005 arcsec/y

Proper Motion Dec -0.012"/y

Alternative Designations

Henry Draper Catalogue HD37209

SAO Catalogue SAO132359

Hipparcos Catalogue HIP26345

Durchmusterung Catalogue BD-06 1255

General Catalogue of Variable Stars 2433

Aitken Double Star Catalogue ADS4212

Visibility from Your Location

Today's HR1911 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 96.1° RISE 23:49

Max altitude: 32.5° TRANSIT 5:20

Azimuth: 263.9° SET 10:48

Set Location

Other stars in Orion