HR728

Above the horizon. Rise: 19:34 | Tran: 4:01 | Set: 12:24

Alt: 18.75° Az: 287.43° Direction: West-North-West

HR728 is a multiple sub-giant star of spectral class F6 in the constellation of Aries.

HR728 visual magnitude is 5.92. Because of its faintness, HR728 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 HR728. The red arrow shows the motion of HR728 during the next 10000 years (11.00 arcmin in Right Ascension and -13.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 02h 31m 57s

Declination +25° 20’ 37”

Hour Angle 06h 05m 30s

Sideral Time 08h 37m 28s

J2000

Right Ascension 02h 30m 32s

Declination +25° 14’ 05”

Galactic Coordinates

Galactic Longitude 149.62°

Galactic Latitude -32.45°

Finder Chart

Simplified finder chart for HR728.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.92

Class Sub-giant

Absolute magnitude 2.38

Spectral Type F6IV

Color Index (B-V) 0.41

Temperature 6827K

The red dot in the diagram below shows where HR728 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR728. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR728 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 HR728 double sysyem:

Main star magnitude 5.92

Secondary star magnitude 10.42

Magnitude difference 4.5

Separation 113.1 arcsec

Distance, Radial Speed, Proper Motion

HR728 is distant 166.41 light years from the Sun and it is moving towards the Sun at the speed of 11 kilometers per second.

Distance (parsec) 51.05

Distance (light year) 166.41

Radial Speed -11 km/s

Proper Motion RA 0.066 arcsec/y

Proper Motion Dec -0.078"/y

Alternative Designations

Henry Draper Catalogue HD15524

SAO Catalogue SAO75407

Hipparcos Catalogue HIP11670

Durchmusterung Catalogue BD+24 358

FK5 Catalogue 2171

Aitken Double Star Catalogue ADS1904

Visibility from Your Location

Today's HR728 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 64.7° RISE 19:34

Max altitude: 63.9° TRANSIT 4:01

Azimuth: 295.3° SET 12:24

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

Location

Other stars in Aries