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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:02 
Transit: 11:43 
Sunset: 16:24
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All Constellations » Corona Australis » 

HR7170

Below the horizon.  Rise: 14:47 | Tran: 16:01 | Set: 17:15
Alt: -70.53°   Az: 310.76°   Direction: North-West

HR7170 is a double main-sequence star of spectral class B8 in the constellation of Corona Australis.

HR7170 visual magnitude is 6.4. Because of its faintness, HR7170 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 HR7170 star
DSS2 image of HR7170. The red arrow shows the motion of HR7170 during the next 10000 years (1.67 arcmin in Right Ascension and -6.67 arcmin in declination);

Celestial Coordinates

Apparent

19h 02m 44s
-37° 01’ 30”
10h 46m 16s
05h 49m 00s

J2000

19h 01m 04s
-37° 03’ 42”

Galactic Coordinates

359.76°
-17.74°

Finder Chart

Finder chart HR7170 star
Simplified finder chart for HR7170.

Magnitude, Color, Spectral Class

6.4
Main-sequence

1.96
B8V
10516K

The red dot in the diagram below shows where HR7170 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7170. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR7170 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 HR7170 double sysyem:

6.4
6.6
0.2
12.8 arcsec

Distance, Radial Speed, Proper Motion

HR7170 is distant 252.32 light years from the Sun and it is moving towards the Sun at the speed of 15 kilometers per second.

77.40
252.32
-15 km/s
0.01 arcsec/y
-0.04"/y

Alternative Designations

SAO210816
SAO210816

Visibility from Your Location

Today's HR7170 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 127.0°
Max altitude: 1.5°
Azimuth: 233.0°