HR7629

Altitude: -21.0° Azimuth: 235.2° Direction: South-West

HR7629 is a double giant star in the constellation of Sagittarius.

HR7629 visual magnitude is 5.95. Because of its reltive faintness, HR7629 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 HR7629:

Color of HR7629 ⬤

Magnitude of HR7629 5.95

Class Giant

VISIBILITY RIGHT NOW

HR7629 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -21.0°
Azimuth: 235.2°
Direction: South-West

Celestial coordinates and finder chart of HR7629

HR7629 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 HR7629 are provided in the following table:

Right Ascension J2000 20h 00m 15s

Declination J2000 -37° 42’ 07”

Galactic Longitude 2.86°

Galactic Latitude -29.15°

Constellation Sagittarius

The simplified sky map below shows the position of HR7629 in the sky:

Simplified finder chart for HR7629.

Visibility of HR7629 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 HR7629 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: 127.7° RISE 14:28

Max altitude: 0.8° TRANSIT 15:23

Azimuth: 232.3° SET 16:18

Digitized Sky Survey image of HR7629

The image below is a photograph of HR7629 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 HR7629 is 0.018 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 HR7629. The red arrow shows the motion of HR7629 during the next 10000 years (3.00 arcmin in Right Ascension and -3.33 arcmin in declination);

Distance of HR7629 from the Sun and relative movement

HR7629 is distant 315.59 light years from the Sun and it is moving far from the Sun at the speed of 23 kilometers per second.

Distance (parsec) 96.81 pc

Distance (light year) 315.59 ly

Heliocentric radial velocity 23 km/s

Proper Motion RA 0.018 arcsec/year

Proper Motion Dec -0.02 arcsec/year

Spectral properties of HR7629

HR7629 belongs to spectral class G8 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude 1.02

Spectral Type G8III

Color Index (B-V) 1

Temperature of HR7629 4743K

The red dot in the diagram below shows where HR7629 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7629. Attribution: Richard Powell / CC BY-SA

HR7629 star system properties

HR7629 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR7629 double sysyem:

Main star magnitude 5.95

Secondary star magnitude 13.55

Magnitude difference 7.6

Separation 23 arcsec

Alternative designations of HR7629

Henry Draper Catalogue HD189195

SAO Catalogue SAO211719

Hipparcos Catalogue HIP98461

Durchmusterung Catalogue CD-3813802

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In Evidence

Other stars in Sagittarius