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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 » 

HR102

Altitude: -22.8°   Azimuth: 257.1°   Direction: West-South-West

HR102 is a giant star in the constellation of Sculptor.

HR102 visual magnitude is 5.98. Because of its reltive faintness, HR102 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 HR102:

5.98
Giant

HR102 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -22.8°
Azimuth: 257.1°
Direction: West-South-West

Celestial coordinates and finder chart of HR102

HR102 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 HR102 are provided in the following table:

00h 27m 14s
-25° 32’ 49”
47.84°
-84.35°
Sculptor

The simplified sky map below shows the position of HR102 in the sky:

Finder chart HR102 star
Simplified finder chart for HR102.

Visibility of HR102 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 HR102 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: 115.5°
Max altitude: 13.0°
Azimuth: 244.5°

Digitized Sky Survey image of HR102

The image below is a photograph of HR102 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 HR102 is 0.036 arcsec per year in Right Ascension and -0.019 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR102 star
DSS2 image of HR102. The red arrow shows the motion of HR102 during the next 10000 years (6.00 arcmin in Right Ascension and -3.17 arcmin in declination);

Distance of HR102 from the Sun and relative movement

HR102 is distant 670.78 light years from the Sun and it is moving towards the Sun at the speed of 3 kilometers per second.

205.76 pc
670.78 ly
-3 km/s
0.036 arcsec/year
-0.019 arcsec/year

Spectral properties of HR102

HR102 belongs to spectral class G8 and has a luminosity class of III corresponding to a giant star.

-0.59
G8III
4672K

The red dot in the diagram below shows where HR102 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR102. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR102

SAO166282
SAO166282