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

HR4098

HR4098 is a double main-sequence star in the constellation of Ursa Major.

HR4098 visual magnitude is 6.44. Because of its reltive faintness, HR4098 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 HR4098:

6.44
Main-sequence
HR4098 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 22°.

Celestial coordinates and finder chart of HR4098

HR4098 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR4098 are provided in the following table:

10h 28m 03s
+48° 47’ 04”
165.08°
54.91°
Ursa Major

The simplified sky map below shows the position of HR4098 in the sky:

Finder chart HR4098 star
Simplified finder chart for HR4098.

Visibility of HR4098 from your location

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

HR4098 is circumpolar and transits at 10:28 UTC (altitude: 87.3°)

Digitized Sky Survey image of HR4098

The image below is a photograph of HR4098 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 HR4098 is 0.079 arcsec per year in Right Ascension and -0.884 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR4098 star
DSS2 image of HR4098. The red arrow shows the motion of HR4098 during the next 1000 years (1.32 arcmin in Right Ascension and -14.73 arcmin in declination);

Distance of HR4098 from the Sun and relative movement

HR4098 is distant 76.80 light years from the Sun and it is moving towards the Sun at the speed of 7 kilometers per second.

23.56 pc
76.80 ly
-7 km/s
0.079 arcsec/year
-0.884 arcsec/year

Spectral properties of HR4098

HR4098 belongs to spectral class F9 and has a luminosity class of V corresponding to a main-sequence star.

4.58
F9V
5968K

The red dot in the diagram below shows where HR4098 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4098. Attribution: Richard Powell / CC BY-SA

HR4098 star system properties

HR4098 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 HR4098 double sysyem:

6.44
12.44
6
4.7 arcsec

Alternative designations of HR4098

SAO43351
SAO43351
Gl 392 A