Your guide to the Solar System and the night sky
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🌎  Greenwich, United Kingdom [change]

HR2442

HR2442 is a variable bright giant star in the constellation of Monoceros.

HR2442 visual magnitude is 6.21. Because of its reltive faintness, HR2442 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 HR2442:

6.21
Bright giant
HR2442 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 40°.

Celestial coordinates and finder chart of HR2442

HR2442 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 HR2442 are provided in the following table:

06h 38m 38s
+01° 36’ 48”
210.03°
-2.11°
Monoceros

The simplified sky map below shows the position of HR2442 in the sky:

Finder chart HR2442 star
Simplified finder chart for HR2442.

Visibility of HR2442 from your location

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

Today's HR2442 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 88.4°
Max altitude: 40.1°
Azimuth: 271.6°
HR2442 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR2442

The image below is a photograph of HR2442 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 HR2442 is -0.007 arcsec per year in Right Ascension and -0.005 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR2442 star
DSS2 image of HR2442. The red arrow shows the motion of HR2442 during the next 100000 years (-11.67 arcmin in Right Ascension and -8.33 arcmin in declination);

Distance of HR2442 from the Sun and relative movement

HR2442 is distant 3,395.83 light years from the Sun and it is moving far from the Sun at the speed of 58 kilometers per second.

1,041.67 pc
3,395.83 ly
58 km/s
-0.007 arcsec/year
-0.005 arcsec/year

Spectral properties of HR2442

HR2442 belongs to spectral class O9 and has a luminosity class of II corresponding to a bright giant star.

-3.88
O9II
8571K

The red dot in the diagram below shows where HR2442 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR2442. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2442

SAO114191
SAO114191