HR75

HR75 is a giant star in the constellation of Andromeda.

HR75 visual magnitude is 6.33. Because of its reltive faintness, HR75 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 HR75:

Color of HR75 ⬤

Magnitude of HR75 6.33

Class Giant

VISIBILITY RIGHT NOW HR75 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 69°.

Celestial coordinates and finder chart of HR75

HR75 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 HR75 are provided in the following table:

Right Ascension J2000 00h 19m 41s

Declination J2000 +40° 43’ 46”

Galactic Longitude 116.46°

Galactic Latitude -21.74°

Constellation Andromeda

The simplified sky map below shows the position of HR75 in the sky:

Simplified finder chart for HR75.

Visibility of HR75 from your location

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

HR75 is circumpolar and transits at 11:45 UTC (altitude: 79.2°)

Digitized Sky Survey image of HR75

The image below is a photograph of HR75 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 HR75 is -0.026 arcsec per year in Right Ascension and -0.01 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR75. The red arrow shows the motion of HR75 during the next 10000 years (-4.33 arcmin in Right Ascension and -1.67 arcmin in declination);

Distance of HR75 from the Sun and relative movement

HR75 is distant 540.63 light years from the Sun and it is moving towards the Sun at the speed of 38 kilometers per second.

Distance (parsec) 165.84 pc

Distance (light year) 540.63 ly

Heliocentric radial velocity -38 km/s

Proper Motion RA -0.026 arcsec/year

Proper Motion Dec -0.01 arcsec/year

Spectral properties of HR75

HR75 belongs to spectral class K1 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude 0.23

Spectral Type K1III

Color Index (B-V) 1.18

Temperature of HR75 4348K

The red dot in the diagram below shows where HR75 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR75. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR75

Henry Draper Catalogue HD1527

SAO Catalogue SAO36269

Hipparcos Catalogue HIP1575

Durchmusterung Catalogue BD+39 56

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In Evidence

Other stars in Andromeda