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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: 6:04  
clear_day Transit: 12:06  
SunsetSet: 18:09
sunny DaytimeWhat's Visible Now?
All Constellations » Sagittarius » 

HR7159

Altitude: 5.3°   Azimuth: 222.7°   Direction: South-West

HR7159 is a main-sequence star in the constellation of Sagittarius.

HR7159 visual magnitude is 6.14. Because of its reltive faintness, HR7159 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 HR7159 is -0.022 arcsec per year in Right Ascension and 0.017 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR7159 star
DSS2 image of HR7159. The red arrow shows the motion of HR7159 during the next 10000 years (-3.67 arcmin in Right Ascension and 2.83 arcmin in declination);

Key facts about HR7159

6.14
Main-sequence

HR7159 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 5.3°
Azimuth: 222.7°
Direction: South-West

Celestial coordinates and finder chart of HR7159

HR7159 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR7159 are provided in the following table:

18h 58m 24s
-22° 31’ 45”
13.36°
-11.52°
Sagittarius

The simplified sky map below shows the position of HR7159 in the sky:

Finder chart HR7159 star
Simplified finder chart for HR7159.

Visibility of HR7159 from your location

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

Today's HR7159 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 112.5°
Max altitude: 16.0°
Azimuth: 247.5°

Distance of HR7159 from the Sun and relative movement

HR7159 is distant 254.89 light years from the Sun and it is moving towards the Sun at the speed of 7 kilometers per second.

78.19 pc
254.89 ly
-7 km/s
-0.022 arcsec/year
0.017 arcsec/year

Spectral properties of HR7159

HR7159 belongs to spectral class A2 and has a luminosity class of V corresponding to a main-sequence star.

1.67
A2V
9125K

The red dot in the diagram below shows where HR7159 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7159. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7159

SAO187519
SAO187519