HR7155

Above the horizon. Rise: 6:00 | Tran: 9:36 | Set: 13:13

Alt: 4.99° Az: 141.89° Direction: South-East

HR7155 is a hypergiant star of spectral class A0 in the constellation of Sagittarius.

HR7155 visual magnitude is 6.62. Because of its faintness, HR7155 is not visible to the naked eye.

DSS2 image of HR7155. The red arrow shows the motion of HR7155 during the next 100000 years (11.67 arcmin in Right Ascension and 5.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 18h 59m 52s

Declination -24° 50’ 27”

Hour Angle 21h 09m 25s

Sidereal Time 16h 09m 18s

J2000

Right Ascension 18h 58m 20s

Declination -24° 52’ 36”

Galactic Coordinates

Galactic Longitude 11.17°

Galactic Latitude -12.48°

Finder Chart

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Finder chart for HR7155.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.62

Class Hypergiant

Absolute magnitude -1.41

Spectral Type A0

Color Index (B-V) 0.08

Temperature 9226K

The red dot in the diagram below shows where HR7155 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7155. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR7155 is distant 1,314.52 light years from the Sun and it is moving towards the Sun at the speed of 17 kilometers per second.

Distance (parsec) 403.23

Distance (light year) 1,314.52

Radial Speed -17 km/s

Proper Motion RA 0.007 arcsec/y

Proper Motion Dec 0.003"/y

Alternative Designations

Henry Draper Catalogue HD175852

SAO Catalogue SAO187517

Hipparcos Catalogue HIP93132

Durchmusterung Catalogue CD-2513574

Visibility from Your Location

Today's HR7155 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 114.8° RISE 6:00

Max altitude: 13.7° TRANSIT 9:36

Azimuth: 245.2° SET 13:13

Set Location

Other stars in Sagittarius