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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 7:01  
clear_day Transit: 12:12  
SunsetSet: 17:24
sleep NighttimeWhat's Visible Now?
All Constellations » Lacerta » 

HR8445

Altitude: 13.6°   Azimuth: 16.8°   Direction: North-North-East

HR8445 is a double giant star in the constellation of Lacerta.

HR8445 visual magnitude is 6.42. Because of its reltive faintness, HR8445 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The proper motion of HR8445 is 0.029 arcsec per year in Right Ascension and -0.023 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR8445 star
DSS2 image of HR8445. The red arrow shows the motion of HR8445 during the next 10000 years (4.83 arcmin in Right Ascension and -3.83 arcmin in declination);

Key facts about HR8445

6.42
Giant

HR8445 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 13.6°
Azimuth: 16.8°
Direction: North-North-East

Celestial coordinates and finder chart of HR8445

HR8445 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 HR8445 are provided in the following table:

22h 08m 16s
+49° 47’ 47”
97.89°
-4.97°
Lacerta

The simplified sky map below shows the position of HR8445 in the sky:

Finder chart HR8445 star
Simplified finder chart for HR8445.

Visibility of HR8445 from your location

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

HR8445 is circumpolar and transits at 12:00 UTC (altitude: 88.3°)

Distance of HR8445 from the Sun and relative movement

HR8445 is distant 1,112.63 light years from the Sun and it is moving far from the Sun at the speed of 17 kilometers per second.

341.30 pc
1,112.63 ly
17 km/s
0.029 arcsec/year
-0.023 arcsec/year

Spectral properties of HR8445

HR8445 belongs to spectral class K5 and has a luminosity class of III corresponding to a giant star.

-1.25
K5III
10125K

The red dot in the diagram below shows where HR8445 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR8445. Attribution: Richard Powell / CC BY-SA

HR8445 star system properties

HR8445 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 HR8445 double sysyem:

6.42
13.12
6.7
38.5 arcsec

Alternative designations of HR8445

SAO51678
SAO51678