HR1507

Above the horizon. Rise: 6:48 | Tran: 13:44 | Set: 20:39

Alt: 49.51° Az: 172.45° Direction: South

HR1507 is a variable and multiple hypergiant star of spectral class F0 in the constellation of Orion.

HR1507 visual magnitude is 5.4. Because of its faintness, HR1507 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 HR1507. The red arrow shows the motion of HR1507 during the next 1000 years (1.67 arcmin in Right Ascension and -0.25 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 04h 45m 50s

Declination +11° 11’ 29”

Hour Angle 23h 40m 02s

Sidereal Time 04h 25m 52s

J2000

Right Ascension 04h 44m 25s

Declination +11° 08’ 45”

Galactic Coordinates

Galactic Longitude 186.9°

Galactic Latitude -21.8°

Finder Chart

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Finder chart for HR1507.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.4

Class Hypergiant

Absolute magnitude 1.98

Spectral Type F0V

Color Index (B-V) 0.25

Temperature 7795K

The red dot in the diagram below shows where HR1507 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1507. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR1507 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 HR1507 double sysyem:

Main star magnitude 5.4

Secondary star magnitude 11.2

Magnitude difference 5.8

Separation 74.7 arcsec

Distance, Radial Speed, Proper Motion

HR1507 is distant 157.26 light years from the Sun and it is moving far from the Sun at the speed of 40 kilometers per second.

Distance (parsec) 48.24

Distance (light year) 157.26

Radial Speed 40 km/s

Proper Motion RA 0.1 arcsec/y

Proper Motion Dec -0.015"/y

Alternative Designations

Henry Draper Catalogue HD30034

SAO Catalogue SAO94095

Hipparcos Catalogue HIP22044

Durchmusterung Catalogue BD+10 621

General Catalogue of Variable Stars 1705

Visibility from Your Location

Today's HR1507 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 78.8° RISE 6:48

Max altitude: 49.7° TRANSIT 13:44

Azimuth: 281.2° SET 20:39

Set Location

Other stars in Orion