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public LocationGreenwich, UK
TimezoneEurope/London
Sunrise: 5:10 
Transit: 13:06 
Sunset: 21:02
sunny   (Daytime)   What's Visible Now?
All Constellations » Orion » 

HR1690

Below the horizon.  Rise: 4:13 | Tran: 10:14 | Set: 16:15
Alt: -31.15°   Az: 321.01°   Direction: North-West

HR1690 is a variable and double main-sequence star of spectral class B9 in the constellation of Orion.

HR1690 visual magnitude is 6.67. Because of its faintness, HR1690 is not visible to the naked eye.

Image of HR1690 star
DSS2 image of HR1690. The red arrow shows the motion of HR1690 during the next 10000 years (2.50 arcmin in Right Ascension and 0.50 arcmin in declination);

Celestial Coordinates

Apparent

05h 12m 57s
+00° 32’ 34”
09h 49m 40s
15h 02m 37s

J2000

05h 11m 41s
+00° 30’ 52”

Galactic Coordinates

200.48°
-21.79°

Finder Chart

Finder chart HR1690 star
Simplified finder chart for HR1690.

Magnitude, Color, Spectral Class

6.67
Main-sequence

-1.79
B9V
11092K

The red dot in the diagram below shows where HR1690 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1690. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR1690 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR1690 double sysyem:

6.67
7.07
0.4
0.1 arcsec

Distance, Radial Speed, Proper Motion

HR1690 is distant 1,605.91 light years from the Sun and it is moving far from the Sun at the speed of 20 kilometers per second.

492.61
1,605.91
20 km/s
0.015 arcsec/y
0.003"/y

Alternative Designations

SAO112505
SAO112505

Visibility from Your Location

Today's HR1690 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 89.5°
Max altitude: 39.1°
Azimuth: 270.5°