HR663

HR663 is a variable star in the constellation of Andromeda.

HR663 visual magnitude is 6.7. Because of its reltive faintness, HR663 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 HR663:

Color of HR663 ⬤

Magnitude of HR663 6.7

Class

VISIBILITY RIGHT NOW HR663 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 46°.

Celestial coordinates and finder chart of HR663

HR663 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 HR663 are provided in the following table:

Right Ascension J2000 02h 17m 33s

Declination J2000 +44° 18’ 24”

Galactic Longitude 138.78°

Galactic Latitude -15.9°

Constellation Andromeda

The simplified sky map below shows the position of HR663 in the sky:

Simplified finder chart for HR663.

Visibility of HR663 from your location

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

HR663 is circumpolar and transits at 13:42 UTC (altitude: 82.8°)

Digitized Sky Survey image of HR663

The image below is a photograph of HR663 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 HR663 is 0.041 arcsec per year in Right Ascension and 0.083 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR663. The red arrow shows the motion of HR663 during the next 10000 years (6.83 arcmin in Right Ascension and 13.83 arcmin in declination);

Distance of HR663 from the Sun and relative movement

HR663 is distant 32,600,000.00 light years from the Sun and it is moving towards the Sun at the speed of 45 kilometers per second.

Distance (parsec) 10,000,000.00 pc

Distance (light year) 32,600,000.00 ly

Heliocentric radial velocity -45 km/s

Proper Motion RA 0.041 arcsec/year

Proper Motion Dec 0.083 arcsec/year

Spectral properties of HR663

HR663 belongs to spectral class M7

Absolute magnitude -23.30

Spectral Type M7

Color Index (B-V)

Temperature of HR663 10125K

The red dot in the diagram below shows where HR663 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR663. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR663

Henry Draper Catalogue HD14028

Hipparcos Catalogue HIP10687

Durchmusterung Catalogue BD+43 461a

General Catalogue of Variable Stars W And

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In Evidence

Other stars in Andromeda