HR746

HR746 is a multiple star in the constellation of Andromeda.

HR746 visual magnitude is 6.36. Because of its reltive faintness, HR746 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 HR746:

Color of HR746 ⬤

Magnitude of HR746 6.36

Class

VISIBILITY RIGHT NOW HR746 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 26°.

Celestial coordinates and finder chart of HR746

HR746 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 HR746 are provided in the following table:

Right Ascension J2000 02h 35m 27s

Declination J2000 +39° 39’ 51”

Galactic Longitude 143.84°

Galactic Latitude -18.95°

Constellation Andromeda

The simplified sky map below shows the position of HR746 in the sky:

Simplified finder chart for HR746.

Visibility of HR746 from your location

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

HR746 is circumpolar and transits at 14:08 UTC (altitude: 78.2°)

Digitized Sky Survey image of HR746

The image below is a photograph of HR746 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 HR746 is 0.026 arcsec per year in Right Ascension and -0.026 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR746. The red arrow shows the motion of HR746 during the next 10000 years (4.33 arcmin in Right Ascension and -4.33 arcmin in declination);

Distance of HR746 from the Sun and relative movement

HR746 is distant 580.07 light years from the Sun and it is moving towards the Sun at the speed of 8 kilometers per second.

Distance (parsec) 177.94 pc

Distance (light year) 580.07 ly

Heliocentric radial velocity -8 km/s

Proper Motion RA 0.026 arcsec/year

Proper Motion Dec -0.026 arcsec/year

Spectral properties of HR746

HR746 belongs to spectral class B9 HR746 is also a HgMn chemically peculiar star.

Absolute magnitude 0.11

Spectral Type B9

Color Index (B-V) -0.1

Temperature of HR746 11573K

The red dot in the diagram below shows where HR746 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR746. Attribution: Richard Powell / CC BY-SA

HR746 star system properties

HR746 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR746 double sysyem:

Main star magnitude 6.36

Secondary star magnitude 11.96

Magnitude difference 5.6

Separation 16.3 arcsec

Alternative designations of HR746

Henry Draper Catalogue HD16004

SAO Catalogue SAO55680

Hipparcos Catalogue HIP12057

Durchmusterung Catalogue BD+39 573

Aitken Double Star Catalogue ADS1961

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Other stars in Andromeda