HR7072

Above the horizon. Rise: 16:14 | Tran: 20:32 | Set: 0:51

Alt: 14.76° Az: 210.69° Direction: South-South-West

HR7072 is a double giant star of spectral class G5 in the constellation of Sagittarius.

HR7072 visual magnitude is 6.47. Because of its faintness, HR7072 is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

DSS2 image of HR7072. The red arrow shows the motion of HR7072 during the next 100000 years (-11.67 arcmin in Right Ascension and -6.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 18h 50m 12s

Declination -18° 34’ 18”

Hour Angle 02h 05m 29s

Sideral Time 20h 55m 41s

J2000

Right Ascension 18h 48m 45s

Declination -18° 36’ 05”

Galactic Coordinates

Galactic Longitude 15.98°

Galactic Latitude -7.79°

Finder Chart

Simplified finder chart for HR7072.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.47

Class Giant

Absolute magnitude -0.47

Spectral Type G5III

Color Index (B-V)

Temperature 10125K

The red dot in the diagram below shows where HR7072 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7072. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR7072 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 HR7072 double sysyem:

Main star magnitude 6.47

Secondary star magnitude 7.17

Magnitude difference 0.7

Separation 0.4 arcsec

Distance, Radial Speed, Proper Motion

HR7072 is distant 795.12 light years from the Sun and it is moving towards the Sun at the speed of 31 kilometers per second.

Distance (parsec) 243.90

Distance (light year) 795.12

Radial Speed -31 km/s

Proper Motion RA -0.007 arcsec/y

Proper Motion Dec -0.004"/y

Alternative Designations

Henry Draper Catalogue HD173928

SAO Catalogue SAO161848

Hipparcos Catalogue HIP92301

Durchmusterung Catalogue BD-18 5079

Visibility from Your Location

Today's HR7072 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 108.6° RISE 16:14

Max altitude: 19.9° TRANSIT 20:32

Azimuth: 251.4° SET 0:51

Name:	Greenwich, UK
Latitude:	51° 28' 48.0" N
Longitude:	0° 0' 0.0" E
Timezone:	Europe/London

Location

Other stars in Sagittarius