HR490

Below the horizon. Rise: 22:27 | Tran: 8:40 | Set: 18:49

Alt: -0.15° Az: 338.89° Direction: South-West

HR490 is a sub-giant star of spectral class B9 in the constellation of Triangulum.

HR490 visual magnitude is 5.64. Because of its faintness, HR490 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 HR490. The red arrow shows the motion of HR490 during the next 10000 years (8.17 arcmin in Right Ascension and -4.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 01h 43m 32s

Declination +35° 22’ 24”

Hour Angle 10h 15m 09s

Sidereal Time 11h 58m 41s

J2000

Right Ascension 01h 42m 03s

Declination +35° 14’ 44”

Galactic Coordinates

Galactic Longitude 134.46°

Galactic Latitude -26.49°

Finder Chart

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Finder chart for HR490.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.64

Class Sub-giant

Absolute magnitude 1.14

Spectral Type B9IV

Color Index (B-V) -0.07

Temperature 11092K

The red dot in the diagram below shows where HR490 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR490. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR490 is distant 258.52 light years from the Sun and it is moving towards the Sun at the speed of 2 kilometers per second.

Distance (parsec) 79.30

Distance (light year) 258.52

Radial Speed -2 km/s

Proper Motion RA 0.049 arcsec/y

Proper Motion Dec -0.028"/y

Alternative Designations

Henry Draper Catalogue HD10390

SAO Catalogue SAO54912

Hipparcos Catalogue HIP7943

Durchmusterung Catalogue BD+34 297

FK5 Catalogue 1047

Visibility from Your Location

Today's HR490 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 54.6° RISE 22:27

Max altitude: 73.9° TRANSIT 8:40

Azimuth: 305.4° SET 18:49

Set Location

Other stars in Triangulum