We use cookies to deliver essential features and to measure their performance. By using this site you accept our Privacy Policies.
A Complete Guide to the Solar System and the Night Sky
Donate Now! Help keep this site free and ads-free!
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:04  
clear_day Transit: 12:06  
SunsetSet: 18:09
wb_twilight Civil TwilightWhat's Visible Now?
All Constellations » Monoceros » 

HR2458

Altitude: -26.6°   Azimuth: 346.5°   Direction: North-North-West

HR2458 is a giant star in the constellation of Monoceros.

HR2458 visual magnitude is 6.11. Because of its reltive faintness, HR2458 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 HR2458 is -0.002 arcsec per year in Right Ascension and 0.009 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR2458 star
DSS2 image of HR2458. The red arrow shows the motion of HR2458 during the next 100000 years (-3.33 arcmin in Right Ascension and 15.00 arcmin in declination);

Key facts about HR2458

6.11
Giant

HR2458 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -26.6°
Azimuth: 346.5°
Direction: North-North-West

Celestial coordinates and finder chart of HR2458

HR2458 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 HR2458 are provided in the following table:

06h 41m 17s
+11° 00’ 11”
201.98°
2.77°
Monoceros

The simplified sky map below shows the position of HR2458 in the sky:

Finder chart HR2458 star
Simplified finder chart for HR2458.

Visibility of HR2458 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 HR2458 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: 79.0°
Max altitude: 49.5°
Azimuth: 281.0°

Distance of HR2458 from the Sun and relative movement

HR2458 is distant 2,546.88 light years from the Sun and it is moving far from the Sun at the speed of 16 kilometers per second.

781.25 pc
2,546.88 ly
16 km/s
-0.002 arcsec/year
0.009 arcsec/year

Spectral properties of HR2458

HR2458 belongs to spectral class M1 and has a luminosity class of III corresponding to a giant star.

-3.35
M1III
3541K

The red dot in the diagram below shows where HR2458 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR2458. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2458

SAO95997
SAO95997