HR7775

Above the horizon. Rise: 0:36 | Tran: 5:21 | Set: 10:03

Alt: 19.15° Az: 209.80° Direction: South-South-West

HR7775 is a multiple hypergiant star of spectral class A0 in the constellation of Capricornus.

HR7775 visual magnitude is 6.1. Because of its faintness, HR7775 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 HR7775. The red arrow shows the motion of HR7775 during the next 10000 years (7.17 arcmin in Right Ascension and 0.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 22m 11s

Declination -14° 42’ 11”

Hour Angle 01h 56m 09s

Sidereal Time 22h 18m 21s

J2000

Right Ascension 20h 20m 46s

Declination -14° 47’ 06”

Galactic Coordinates

Galactic Longitude 29.12°

Galactic Latitude -26.32°

Finder Chart

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Finder chart for HR7775.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.1

Class Hypergiant

Absolute magnitude 1.19

Spectral Type A0III

Color Index (B-V) -0.02

Temperature 10382K

The red dot in the diagram below shows where HR7775 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7775. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR7775 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 HR7775 double sysyem:

Main star magnitude 6.1

Secondary star magnitude 6.4

Magnitude difference 0.3

Separation 0 arcsec

Distance, Radial Speed, Proper Motion

HR7775 is distant 313.46 light years from the Sun and it is moving towards the Sun at the speed of 18 kilometers per second.

Distance (parsec) 96.15

Distance (light year) 313.46

Radial Speed -18 km/s

Proper Motion RA 0.043 arcsec/y

Alternative Designations

Henry Draper Catalogue HD193452

SAO Catalogue SAO163471

Hipparcos Catalogue HIP100325

Durchmusterung Catalogue BD-15 5626

Aitken Double Star Catalogue ADS13717

Visibility from Your Location

Today's HR7775 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 104.7° RISE 0:36

Max altitude: 23.8° TRANSIT 5:21

Azimuth: 255.3° SET 10:03

Set Location

Other stars in Capricornus