HR637

Altitude: -32.9° Azimuth: 132.0° Direction: South-East

HR637 is a main-sequence star in the constellation of Eridanus.

HR637 visual magnitude is 6.12. Because of its reltive faintness, HR637 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 HR637:

Color of HR637 ⬤

Magnitude of HR637 6.12

Class Main-sequence

VISIBILITY RIGHT NOW

HR637 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -32.9°
Azimuth: 132.0°
Direction: South-East

Celestial coordinates and finder chart of HR637

HR637 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR637 are provided in the following table:

Right Ascension J2000 02h 10m 25s

Declination J2000 -50° 49’ 27”

Galactic Longitude 275.99°

Galactic Latitude -61.97°

Constellation Eridanus

The simplified sky map below shows the position of HR637 in the sky:

Simplified finder chart for HR637.

Visibility of HR637 from your location

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

HR637 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR637

The image below is a photograph of HR637 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 HR637 is 2.119 arcsec per year in Right Ascension and 0.641 arcsec per year in Declination and the associated displacement for the next 100 years is represented with the red arrow.

DSS2 image of HR637. The red arrow shows the motion of HR637 during the next 100 years (3.53 arcmin in Right Ascension and 1.07 arcmin in declination);

Distance of HR637 from the Sun and relative movement

HR637 is distant 35.58 light years from the Sun and it is moving far from the Sun at the speed of 53 kilometers per second.

Distance (parsec) 10.91 pc

Distance (light year) 35.58 ly

Heliocentric radial velocity 53 km/s

Proper Motion RA 2.119 arcsec/year

Proper Motion Dec 0.641 arcsec/year

Spectral properties of HR637

HR637 belongs to spectral class K1 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude 5.93

Spectral Type K1V

Color Index (B-V) 0.82

Temperature of HR637 5221K

The red dot in the diagram below shows where HR637 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR637. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR637

Henry Draper Catalogue HD13445

SAO Catalogue SAO232658

Hipparcos Catalogue HIP10138

Durchmusterung Catalogue CD-51 532

Gliese Catalogue Gl 86

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In Evidence

Other stars in Eridanus