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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
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All Constellations » Sagittarius » 

HR7045

Altitude: 5.5°   Azimuth: 131.5°   Direction: South-East

HR7045 is a variable giant star in the constellation of Sagittarius.

HR7045 visual magnitude is 6.42. Because of its reltive faintness, HR7045 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 HR7045 is -0.002 arcsec per year in Right Ascension and 0.004 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR7045 star
DSS2 image of HR7045. The red arrow shows the motion of HR7045 during the next 100000 years (-3.33 arcmin in Right Ascension and 6.67 arcmin in declination);

Key facts about HR7045

6.42
Giant

HR7045 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 5.5°
Azimuth: 131.5°
Direction: South-East

Celestial coordinates and finder chart of HR7045

HR7045 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 HR7045 are provided in the following table:

18h 46m 01s
-19° 36’ 23”
14.78°
-7.65°
Sagittarius

The simplified sky map below shows the position of HR7045 in the sky:

Finder chart HR7045 star
Simplified finder chart for HR7045.

Visibility of HR7045 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 HR7045 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: 109.6°
Max altitude: 18.9°
Azimuth: 250.4°

Distance of HR7045 from the Sun and relative movement

HR7045 is distant 737.56 light years from the Sun and it is moving towards the Sun at the speed of 40 kilometers per second.

226.24 pc
737.56 ly
-40 km/s
-0.002 arcsec/year
0.004 arcsec/year

Spectral properties of HR7045

HR7045 belongs to spectral class M4 and has a luminosity class of III corresponding to a giant star.

-0.35
M4III
3581K

The red dot in the diagram below shows where HR7045 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7045. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7045

SAO161803
SAO161803