Your guide to the Solar System and the night sky
🌎 Location: Greenwich, United Kingdom [change]

HR8645

HR8645 is a multiple main-sequence star in the constellation of Aquarius.

HR8645 visual magnitude is 6.45. Because of its reltive faintness, HR8645 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR8645:

6.45
Main-sequence
HR8645 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR8645

HR8645 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 HR8645 are provided in the following table:

22h 43m 03s
-08° 18’ 42”
58.68°
-54.29°
Aquarius

The simplified sky map below shows the position of HR8645 in the sky:

Finder chart HR8645 star
Simplified finder chart for HR8645.

Visibility of HR8645 from your location

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

Today's HR8645 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 98.3°
Max altitude: 30.2°
Azimuth: 261.7°
HR8645 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR8645

The image below is a photograph of HR8645 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of HR8645 is 0.024 arcsec per year in Right Ascension and -0.006 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR8645 star
DSS2 image of HR8645. The red arrow shows the motion of HR8645 during the next 10000 years (4.00 arcmin in Right Ascension and -1.00 arcmin in declination);

Distance of HR8645 from the Sun and relative movement

HR8645 is distant 617.42 light years from the Sun and it is moving far from the Sun at the speed of 5 kilometers per second.

189.39 pc
617.42 ly
5 km/s
0.024 arcsec/year
-0.006 arcsec/year

Spectral properties of HR8645

HR8645 belongs to spectral class A5 and has a luminosity class of V corresponding to a main-sequence star.

0.06
A5V
8403K

The red dot in the diagram below shows where HR8645 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8645. Attribution: Richard Powell / CC BY-SA

HR8645 star system properties

HR8645 is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the HR8645 double sysyem:

6.45
7.55
1.1
2.5 arcsec

Alternative designations of HR8645

SAO146271
SAO146271