HR1938

Altitude: -6.5° Azimuth: 349.4° Direction: North

HR1938 is a variable giant star in the constellation of Auriga.

HR1938 visual magnitude is 6.04. Because of its reltive faintness, HR1938 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 HR1938:

Color of HR1938 ⬤

Magnitude of HR1938 6.04

Class Giant

VISIBILITY RIGHT NOW

HR1938 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -6.5°
Azimuth: 349.4°
Direction: North

Celestial coordinates and finder chart of HR1938

HR1938 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR1938 are provided in the following table:

Right Ascension J2000 05h 40m 35s

Declination J2000 +31° 21’ 29”

Galactic Longitude 177.37°

Galactic Latitude 0.35°

Constellation Auriga

The simplified sky map below shows the position of HR1938 in the sky:

Simplified finder chart for HR1938.

Visibility of HR1938 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 HR1938 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: 58.6° RISE 15:25

Max altitude: 69.9° TRANSIT 0:46

Azimuth: 301.4° SET 10:03

Digitized Sky Survey image of HR1938

The image below is a photograph of HR1938 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 HR1938 is -0.007 arcsec per year in Right Ascension and -0.02 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR1938. The red arrow shows the motion of HR1938 during the next 10000 years (-1.17 arcmin in Right Ascension and -3.33 arcmin in declination);

Distance of HR1938 from the Sun and relative movement

HR1938 is distant 502.31 light years from the Sun and it is moving towards the Sun at the speed of 7 kilometers per second.

Distance (parsec) 154.08 pc

Distance (light year) 502.31 ly

Heliocentric radial velocity -7 km/s

Proper Motion RA -0.007 arcsec/year

Proper Motion Dec -0.02 arcsec/year

Spectral properties of HR1938

HR1938 belongs to spectral class B9 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude 0.10

Spectral Type B9III

Color Index (B-V) 0.04

Temperature of HR1938 9652K

The red dot in the diagram below shows where HR1938 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1938. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1938

Henry Draper Catalogue HD37519

SAO Catalogue SAO58319

Hipparcos Catalogue HIP26712

Durchmusterung Catalogue BD+31 1048

FK5 Catalogue 2425

General Catalogue of Variable Stars 2537

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In Evidence

Other stars in Auriga