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TimezoneEurope/London
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Transit: 12:56 
Sunset: 20:48
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All Constellations » Cassiopeia » 

HR499

Above the horizon.  Circumpolar today
Alt: 35.14°   Az: 39.21°   Direction: North-East

HR499 is a double main-sequence star of spectral class A3 in the constellation of Cassiopeia.

HR499 visual magnitude is 6.21. Because of its faintness, HR499 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.

Image of HR499 star
DSS2 image of HR499. The red arrow shows the motion of HR499 during the next 10000 years (6.50 arcmin in Right Ascension and -6.67 arcmin in declination);

Celestial Coordinates

Apparent

01h 45m 59s
+57° 39’ 46”
17h 00m 30s
18h 46m 29s

J2000

01h 44m 17s
+57° 32’ 11”

Galactic Coordinates

130°
-4.61°

Finder Chart

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Finder chart for HR499.

Magnitude, Color, Spectral Class

6.21
Main-sequence

1.72
A3V
9028K

The red dot in the diagram below shows where HR499 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR499. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR499 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR499 double sysyem:

6.21
7.61
1.4
1.2 arcsec

Distance, Radial Speed, Proper Motion

HR499 is distant 258.12 light years from the Sun and it is moving far from the Sun at the speed of 5 kilometers per second.

79.18
258.12
5 km/s
0.039 arcsec/y
-0.04"/y

Alternative Designations

SAO22566
SAO22566

Visibility from Your Location

HR499 is circumpolar and transits at 10:00 UTC (altitude: 83.8°)