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
Help keep this site free and ads-free! Donate Now!
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 5:45  
clear_day Transit: 12:56  
SunsetSet: 20:09
wb_twilight Astronomical TwilightWhat's Visible Now?
All Constellations » Aries » 

HR665

Altitude: -3.5°   Azimuth: 316.6°   Direction: North-West

HR665 is a giant star in the constellation of Aries.

HR665 visual magnitude is 6.55. Because of its reltive faintness, HR665 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 HR665 is -0.033 arcsec per year in Right Ascension and -0.039 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR665 star
DSS2 image of HR665. The red arrow shows the motion of HR665 during the next 10000 years (-5.50 arcmin in Right Ascension and -6.50 arcmin in declination);

Key facts about HR665

6.55
Giant

HR665 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -3.5°
Azimuth: 316.6°
Direction: North-West

Celestial coordinates and finder chart of HR665

HR665 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 HR665 are provided in the following table:

02h 17m 10s
+23° 46’ 04”
147.05°
-35.06°
Aries

The simplified sky map below shows the position of HR665 in the sky:

Finder chart HR665 star
Simplified finder chart for HR665.

Visibility of HR665 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 HR665 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: 66.2°
Max altitude: 62.3°
Azimuth: 293.8°

Distance of HR665 from the Sun and relative movement

HR665 is distant 480.12 light years from the Sun and it is moving towards the Sun at the speed of 13 kilometers per second.

147.28 pc
480.12 ly
-13 km/s
-0.033 arcsec/year
-0.039 arcsec/year

Spectral properties of HR665

HR665 belongs to spectral class G9 and has a luminosity class of III corresponding to a giant star.

0.71
G9III
4695K

The red dot in the diagram below shows where HR665 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR665. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR665

SAO75262
SAO75262