HR1940

Altitude: -42.0° Azimuth: 355.4° Direction: North

HR1940 is a main-sequence star in the constellation of Orion.

HR1940 visual magnitude is 6. Because of its reltive faintness, HR1940 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 HR1940:

Color of HR1940 ⬤

Magnitude of HR1940 6

Class Main-sequence

VISIBILITY RIGHT NOW

HR1940 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -42.0°
Azimuth: 355.4°
Direction: North

Celestial coordinates and finder chart of HR1940

HR1940 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 HR1940 are provided in the following table:

Right Ascension J2000 05h 39m 31s

Declination J2000 -03° 33’ 52”

Galactic Longitude 207.81°

Galactic Latitude -17.61°

Constellation Orion

The simplified sky map below shows the position of HR1940 in the sky:

Simplified finder chart for HR1940.

Visibility of HR1940 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 HR1940 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: 93.6° RISE 0:44

Max altitude: 35.0° TRANSIT 6:28

Azimuth: 266.4° SET 12:08

Digitized Sky Survey image of HR1940

The image below is a photograph of HR1940 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 HR1940 is -0.002 arcsec per year in Right Ascension and -0.003 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

DSS2 image of HR1940. The red arrow shows the motion of HR1940 during the next 100000 years (-3.33 arcmin in Right Ascension and -5.00 arcmin in declination);

Distance of HR1940 from the Sun and relative movement

HR1940 is distant 134.93 light years from the Sun and it is moving far from the Sun at the speed of 22 kilometers per second.

Distance (parsec) 41.39 pc

Distance (light year) 134.93 ly

Heliocentric radial velocity 22 km/s

Proper Motion RA -0.002 arcsec/year

Proper Motion Dec -0.003 arcsec/year

Spectral properties of HR1940

HR1940 belongs to spectral class A8 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude 2.92

Spectral Type A8V

Color Index (B-V) 0.27

Temperature of HR1940 7658K

The red dot in the diagram below shows where HR1940 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1940. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1940

Henry Draper Catalogue HD37594

SAO Catalogue SAO132424

Hipparcos Catalogue HIP26624

Durchmusterung Catalogue BD-03 1166

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In Evidence

Other stars in Orion