We use cookies to deliver essential features and to measure their performance. By using this site you accept our Privacy Policies.
Help keep this site free and ads-free: donate now!
public LocationGreenwich, United Kingdom
TimezoneEurope/London
Sunrise: 5:24 
Transit: 12:55 
Sunset: 20:27
sunny   (Daytime)   What's Visible Now?

HR4492

Altitude: -70.3°   Azimuth: 145.3°   Direction: South-East

HR4492 is a variable and multiple giant star in the constellation of Musca.

HR4492 visual magnitude is 5.17. Because of its reltive faintness, HR4492 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 HR4492 is -0.042 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 HR4492 star
DSS2 image of HR4492. The red arrow shows the motion of HR4492 during the next 10000 years (-7.00 arcmin in Right Ascension and -1.00 arcmin in declination);

Key facts about HR4492

5.17
Giant

HR4492 is below the horizon from Greenwich, United Kingdom.

Altitude: -70.3°
Azimuth: 145.3°
Direction: South-East

Celestial coordinates and finder chart of HR4492

HR4492 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 HR4492 are provided in the following table:

11h 39m 29s
-65° 23’ 52”
295.53°
-3.56°
Musca

The simplified sky map below shows the position of HR4492 in the sky:

Finder chart HR4492 star
Simplified finder chart for HR4492.

Visibility of HR4492 from your location

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

HR4492 is currently not visible from Greenwich, United Kingdom

Distance of HR4492 from the Sun and relative movement

HR4492 is distant 561.10 light years from the Sun and it is moving far from the Sun at the speed of 14 kilometers per second.

172.12 pc
561.10 ly
14 km/s
-0.042 arcsec/year
-0.006 arcsec/year

Spectral properties of HR4492

HR4492 belongs to spectral class G2 and has a luminosity class of III corresponding to a giant star.

-1.01
G2III
5281K

The red dot in the diagram below shows where HR4492 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4492. Attribution: Richard Powell / CC BY-SA

HR4492 star system properties

HR4492 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR4492 double sysyem:

5.17
5.97
0.8
0.2 arcsec

Alternative designations of HR4492

SAO251522
SAO251522