HR1906

HR1906 is a variable main-sequence star in the constellation of Orion.

HR1906 visual magnitude is 6.54. Because of its reltive faintness, HR1906 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR1906:

Color of HR1906 ⬤

Magnitude of HR1906 6.54

Class Main-sequence

VISIBILITY RIGHT NOW

HR1906 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -0.7°
Azimuth: 98.2°
Direction: East

Celestial coordinates and finder chart of HR1906

HR1906 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR1906 are provided in the following table:

Right Ascension J2000 05h 36m 15s

Declination J2000 -05° 38’ 53”

Galactic Longitude 209.37°

Galactic Latitude -19.28°

Constellation Orion

The simplified sky map below shows the position of HR1906 in the sky:

Simplified finder chart for HR1906.

Visibility of HR1906 from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's HR1906 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 95.6° RISE 8:15

Max altitude: 32.9° TRANSIT 13:45

Azimuth: 264.4° SET 19:15

RIGHT NOW HR1906 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR1906

The image below is a photograph of HR1906 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of HR1906 is 0 arcsec per year in Right Ascension and -0.004 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

DSS2 image of HR1906. The red arrow shows the motion of HR1906 during the next 100000 years (0.00 arcmin in Right Ascension and -6.67 arcmin in declination);

Distance of HR1906 from the Sun and relative movement

HR1906 is distant 1,771.74 light years from the Sun and it is moving far from the Sun at the speed of 11 kilometers per second.

Distance (parsec) 543.48 pc

Distance (light year) 1,771.74 ly

Heliocentric radial velocity 11 km/s

Proper Motion Dec -0.004 arcsec/year

Spectral properties of HR1906

HR1906 belongs to spectral class B3 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude -2.14

Spectral Type B3V

Color Index (B-V) -0.18

Temperature of HR1906 13121K

The red dot in the diagram below shows where HR1906 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1906. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1906

Henry Draper Catalogue HD37150

SAO Catalogue SAO132351

Hipparcos Catalogue HIP26314

Durchmusterung Catalogue BD-05 1334

General Catalogue of Variable Stars 2416

In Evidence

Other stars in Orion