7 Trianguli

Above the horizon. Rise: 23:28 | Tran: 9:14 | Set: 18:55

Alt: 71.83° Az: 170.82° Direction: South-South-West

7 Trianguli is a hypergiant star of spectral class A0 in the constellation of Triangulum.

7 Trianguli visual magnitude is 5.28. Because of its faintness, 7 Trianguli 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 7 Trianguli. The red arrow shows the motion of 7 Trianguli during the next 10000 years (-2.83 arcmin in Right Ascension and -6.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 02h 17m 27s

Declination +33° 28’ 34”

Hour Angle 23h 46m 19s

Sidereal Time 02h 03m 46s

J2000

Right Ascension 02h 15m 56s

Declination +33° 21’ 32”

Galactic Coordinates

Galactic Longitude 142.55°

Galactic Latitude -26.27°

Finder Chart

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Finder chart for 7 Trianguli.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.28

Class Hypergiant

Absolute magnitude 0.51

Spectral Type A0V

Color Index (B-V) -0.01

Temperature 10252K

The red dot in the diagram below shows where 7 Trianguli is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 7 Trianguli. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

7 Trianguli is distant 292.90 light years from the Sun and it is moving towards the Sun at the speed of 1 kilometers per second.

Distance (parsec) 89.85

Distance (light year) 292.90

Radial Speed -1 km/s

Proper Motion RA -0.017 arcsec/y

Proper Motion Dec -0.038"/y

Alternative Designations

Flamsteed designation 7 Trianguli

Henry Draper Catalogue HD13869

SAO Catalogue SAO55397

Hipparcos Catalogue HIP10559

Durchmusterung Catalogue BD+32 409

Visibility from Your Location

Today's 7 Trianguli rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 56.5° RISE 23:28

Max altitude: 72.0° TRANSIT 9:14

Azimuth: 303.5° SET 18:55

Set Location

Other stars in Triangulum