HR3072

Below the horizon. Rise: 3:36 | Tran: 9:07 | Set: 14:37

Alt: -10.12° Az: 86.10° Direction: East

HR3072 is a variable and double sub-giant star of spectral class F5 in the constellation of Monoceros.

HR3072 visual magnitude is 5.76. Because of its faintness, HR3072 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 HR3072. The red arrow shows the motion of HR3072 during the next 10000 years (-2.83 arcmin in Right Ascension and -3.83 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 07h 54m 01s

Declination -05° 29’ 36”

Hour Angle 17h 22m 33s

Sideral Time 01h 16m 34s

J2000

Right Ascension 07h 52m 47s

Declination -05° 25’ 41”

Galactic Coordinates

Galactic Longitude 224.94°

Galactic Latitude 11.03°

Finder Chart

Simplified finder chart for HR3072.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.76

Class Sub-giant

Absolute magnitude 2.70

Spectral Type F5IV

Color Index (B-V) 0.41

Temperature 6827K

The red dot in the diagram below shows where HR3072 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR3072. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR3072 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 HR3072 double sysyem:

Main star magnitude 5.76

Secondary star magnitude 6.06

Magnitude difference 0.3

Separation 0.2 arcsec

Distance, Radial Speed, Proper Motion

HR3072 is distant 133.33 light years from the Sun and it is moving towards the Sun at the speed of 2 kilometers per second.

Distance (parsec) 40.90

Distance (light year) 133.33

Radial Speed -2 km/s

Proper Motion RA -0.017 arcsec/y

Proper Motion Dec -0.023"/y

Alternative Designations

Henry Draper Catalogue HD64235

SAO Catalogue SAO135205

Hipparcos Catalogue HIP38474

Durchmusterung Catalogue BD-05 2280

FK5 Catalogue 2611

General Catalogue of Variable Stars 3777

Visibility from Your Location

Today's HR3072 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 95.5° RISE 3:36

Max altitude: 33.0° TRANSIT 9:07

Azimuth: 264.5° SET 14:37

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

Location

Other stars in Monoceros