We use cookies to deliver essential features and to measure their performance. By using this site you accept our Privacy Policies.
A Complete Guide to the Solar System and the Night Sky
Your support keeps us free & ad-free » Donate
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:40  
clear_day Transit: 12:10  
SunsetSet: 17:41
wb_twilight Astronomical TwilightWhat's Visible Now?
All Constellations » Draco » 

HR7090

Altitude: 11.2°   Azimuth: 351.3°   Direction: North

HR7090 is a main-sequence star in the constellation of Draco.

HR7090 visual magnitude is 6.4. Because of its reltive faintness, HR7090 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR7090 is 0.005 arcsec per year in Right Ascension and 0.019 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR7090 star
DSS2 image of HR7090. The red arrow shows the motion of HR7090 during the next 10000 years (0.83 arcmin in Right Ascension and 3.17 arcmin in declination);

Key facts about HR7090

6.4
Main-sequence

HR7090 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 11.2°
Azimuth: 351.3°
Direction: North

Celestial coordinates and finder chart of HR7090

HR7090 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR7090 are provided in the following table:

18h 47m 39s
+49° 04’ 30”
78.48°
20.74°
Draco

The simplified sky map below shows the position of HR7090 in the sky:

Finder chart HR7090 star
Simplified finder chart for HR7090.

Visibility of HR7090 from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

HR7090 is circumpolar and transits at 08:01 UTC (altitude: 87.6°)

Distance of HR7090 from the Sun and relative movement

HR7090 is distant 471.10 light years from the Sun and it is moving towards the Sun at the speed of 17 kilometers per second.

144.51 pc
471.10 ly
-17 km/s
0.005 arcsec/year
0.019 arcsec/year

Spectral properties of HR7090

HR7090 belongs to spectral class A1 and has a luminosity class of V corresponding to a main-sequence star.

0.60
A1V
10125K

The red dot in the diagram below shows where HR7090 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7090. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7090

SAO47815
SAO47815