HR2705

Below the horizon. Rise: 12:22 | Tran: 16:40 | Set: 20:58

Alt: -30.27° Az: 82.16° Direction: East

HR2705 is a multiple hypergiant star of spectral class F0 in the constellation of Canis Major.

HR2705 visual magnitude is 6.23. Because of its faintness, HR2705 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 HR2705. The red arrow shows the motion of HR2705 during the next 10000 years (-1.67 arcmin in Right Ascension and 2.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 07h 11m 16s

Declination -18° 43’ 41”

Hour Angle 16h 18m 26s

Sidereal Time 23h 29m 42s

J2000

Right Ascension 07h 10m 09s

Declination -18° 41’ 07”

Galactic Coordinates

Galactic Longitude 231.68°

Galactic Latitude -4.43°

Finder Chart

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Finder chart for HR2705.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.23

Class Hypergiant

Absolute magnitude 2.74

Spectral Type F0

Color Index (B-V) 0.4

Temperature 6880K

The red dot in the diagram below shows where HR2705 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR2705. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR2705 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR2705 double sysyem:

Main star magnitude 6.23

Secondary star magnitude 11.23

Magnitude difference 5

Separation 0.8 arcsec

Distance, Radial Speed, Proper Motion

HR2705 is distant 162.35 light years from the Sun and it is moving far from the Sun at the speed of 33 kilometers per second.

Distance (parsec) 49.80

Distance (light year) 162.35

Radial Speed 33 km/s

Proper Motion RA -0.01 arcsec/y

Proper Motion Dec 0.016"/y

Alternative Designations

Henry Draper Catalogue HD54958

SAO Catalogue SAO152497

Hipparcos Catalogue HIP34617

Durchmusterung Catalogue BD-18 1711

Visibility from Your Location

Today's HR2705 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 108.7° RISE 12:22

Max altitude: 19.8° TRANSIT 16:40

Azimuth: 251.3° SET 20:58

Set Location

Other stars in Canis Major