HR7023

Above the horizon. Rise: 15:52 | Tran: 20:07 | Set: 0:21

Alt: 2.75° Az: 126.20° Direction: South-East

HR7023 is a variable and double giant star of spectral class M4 in the constellation of Sagittarius.

HR7023 visual magnitude is 6.35. Because of its faintness, HR7023 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 HR7023. The red arrow shows the motion of HR7023 during the next 10000 years (-0.17 arcmin in Right Ascension and -4.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 18h 44m 22s

Declination -19° 15’ 28”

Hour Angle 20h 05m 28s

Sideral Time 14h 49m 51s

J2000

Right Ascension 18h 42m 55s

Declination -19° 17’ 02”

Galactic Coordinates

Galactic Longitude 14.74°

Galactic Latitude -6.86°

Finder Chart

Simplified finder chart for HR7023.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.35

Class Giant

Absolute magnitude -1.52

Spectral Type M4III

Color Index (B-V) 1.75

Temperature 3453K

The red dot in the diagram below shows where HR7023 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7023. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR7023 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR7023 double sysyem:

Main star magnitude 6.35

Secondary star magnitude 8.95

Magnitude difference 2.6

Separation 0.6 arcsec

Distance, Radial Speed, Proper Motion

HR7023 is distant 1,220.97 light years from the Sun and it is moving towards the Sun at the speed of 33 kilometers per second.

Distance (parsec) 374.53

Distance (light year) 1,220.97

Radial Speed -33 km/s

Proper Motion RA -0.001 arcsec/y

Proper Motion Dec -0.024"/y

Alternative Designations

Henry Draper Catalogue HD172816

SAO Catalogue SAO161754

Hipparcos Catalogue HIP91781

Durchmusterung Catalogue BD-19 5134

General Catalogue of Variable Stars V3879 Sgr

Visibility from Your Location

Today's HR7023 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 109.3° RISE 15:52

Max altitude: 19.3° TRANSIT 20:07

Azimuth: 250.7° SET 0:21

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

Location

Other stars in Sagittarius