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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
north SunriseRise: 7:40  
clear_day Transit: 11:47  
SunsetSet: 15:53 south
sleep NighttimeWhat's Visible Now?
All Constellations » Sculptor » 

HR8999

Altitude: -32.1°   Azimuth: 267.1°   Direction: West

HR8999 is a double main-sequence star in the constellation of Sculptor.

HR8999 visual magnitude is 6.17. Because of its reltive faintness, HR8999 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 HR8999:

6.17
Main-sequence

HR8999 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -32.1°
Azimuth: 267.1°
Direction: West

Celestial coordinates and finder chart of HR8999

HR8999 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR8999 are provided in the following table:

23h 44m 28s
-26° 14’ 47”
32.5°
-75.03°
Sculptor

The simplified sky map below shows the position of HR8999 in the sky:

Finder chart HR8999 star
Simplified finder chart for HR8999.

Visibility of HR8999 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 HR8999 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: 116.2°
Max altitude: 12.3°
Azimuth: 243.8°

Digitized Sky Survey image of HR8999

The image below is a photograph of HR8999 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 HR8999 is -0.07 arcsec per year in Right Ascension and -0.015 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR8999 star
DSS2 image of HR8999. The red arrow shows the motion of HR8999 during the next 10000 years (-11.67 arcmin in Right Ascension and -2.50 arcmin in declination);

Distance of HR8999 from the Sun and relative movement

HR8999 is distant 221.77 light years from the Sun and it is moving far from the Sun at the speed of 16 kilometers per second.

68.03 pc
221.77 ly
16 km/s
-0.07 arcsec/year
-0.015 arcsec/year

Spectral properties of HR8999

HR8999 belongs to spectral class F4 and has a luminosity class of V corresponding to a main-sequence star.

2.01
F4V
6389K

The red dot in the diagram below shows where HR8999 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR8999. Attribution: Richard Powell / CC BY-SA

HR8999 star system properties

HR8999 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 HR8999 double sysyem:

6.17
9.37
3.2
8.3 arcsec

Alternative designations of HR8999

SAO192116
SAO192116