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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:23 
Transit: 12:14 
Sunset: 17:05
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All Constellations » Perseus » 

HR1209

Above the horizon.  Rise: 9:18 | Tran: 18:32 | Set: 3:50
Alt: 21.22°   Az: 293.73°   Direction: West-North-West

HR1209 is a variable and double star of spectral class O9 in the constellation of Perseus.

HR1209 visual magnitude is 6.1. Because of its faintness, HR1209 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 HR1209 star
DSS2 image of HR1209. The red arrow shows the motion of HR1209 during the next 10000 years (-2.17 arcmin in Right Ascension and -1.17 arcmin in declination);

Celestial Coordinates

Apparent

03h 56m 57s
+31° 07’ 03”
06h 18m 14s
10h 15m 12s

J2000

03h 55m 23s
+31° 02’ 44”

Galactic Coordinates

163.08°
-17.14°

Finder Chart

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  Loading map...
Finder chart for HR1209.

Magnitude, Color, Spectral Class

6.1

-3.49
O9
7526K

The red dot in the diagram below shows where HR1209 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR1209. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR1209 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR1209 double sysyem:

6.1
11.9
5.8
22.5 arcsec

Distance, Radial Speed, Proper Motion

HR1209 is distant 2,694.21 light years from the Sun and it is moving far from the Sun at the speed of 15 kilometers per second.

826.45
2,694.21
15 km/s
-0.013 arcsec/y
-0.007"/y

Alternative Designations

SAO56815
SAO56815

Visibility from Your Location

Today's HR1209 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 58.9°
Max altitude: 69.6°
Azimuth: 301.1°