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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 » 


Altitude: -9.2°   Azimuth: 216.7°   Direction: South-West

HR494 is a main-sequence star in the constellation of Sculptor.

HR494 visual magnitude is 6.17. Because of its reltive faintness, HR494 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 HR494:


HR494 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -9.2°
Azimuth: 216.7°
Direction: South-West

Celestial coordinates and finder chart of HR494

HR494 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 HR494 are provided in the following table:

01h 41m 27s
-38° 07’ 59”

The simplified sky map below shows the position of HR494 in the sky:

Finder chart HR494 star
Simplified finder chart for HR494.

Visibility of HR494 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 HR494 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: 128.1°
Max altitude: 0.4°
Azimuth: 231.9°

Digitized Sky Survey image of HR494

The image below is a photograph of HR494 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 HR494 is 0.05 arcsec per year in Right Ascension and 0.052 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR494 star
DSS2 image of HR494. The red arrow shows the motion of HR494 during the next 10000 years (8.33 arcmin in Right Ascension and 8.67 arcmin in declination);

Distance of HR494 from the Sun and relative movement

HR494 is distant 136.57 light years from the Sun and it is moving far from the Sun at the speed of 11 kilometers per second.

41.89 pc
136.57 ly
11 km/s
0.05 arcsec/year
0.052 arcsec/year

Spectral properties of HR494

HR494 belongs to spectral class F2 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR494 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR494. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR494