Your guide to the Solar System and the night sky
By donating now you help keep this site alive and free from ads. Please consider supporting this project.
🌎  Observing from: Greenwich, United Kingdom [change]

HR4740

HR4740 is a giant star in the constellation of Draco.

HR4740 visual magnitude is 6.24. Because of its reltive faintness, HR4740 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 HR4740:

6.24
Giant
HR4740 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 53°.

Celestial coordinates and finder chart of HR4740

HR4740 is situated close to the northern celestial pole and, as such, it is visible for most part of the year from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR4740 are provided in the following table:

12h 26m 24s
+71° 55’ 46”
125.67°
45.06°
Draco

The simplified sky map below shows the position of HR4740 in the sky:

Finder chart HR4740 star
Simplified finder chart for HR4740.

Visibility of HR4740 from your location

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

HR4740 is circumpolar and transits at 03:18 UTC (altitude: 69.6°)

Digitized Sky Survey image of HR4740

The image below is a photograph of HR4740 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 HR4740 is -0.153 arcsec per year in Right Ascension and -0.023 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR4740 star
DSS2 image of HR4740. The red arrow shows the motion of HR4740 during the next 1000 years (-2.55 arcmin in Right Ascension and -0.38 arcmin in declination);

Distance of HR4740 from the Sun and relative movement

HR4740 is distant 389.02 light years from the Sun and it is moving far from the Sun at the speed of 6 kilometers per second.

119.33 pc
389.02 ly
6 km/s
-0.153 arcsec/year
-0.023 arcsec/year

Spectral properties of HR4740

HR4740 belongs to spectral class G8

0.86
G8
4603K

The red dot in the diagram below shows where HR4740 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4740. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4740

SAO7563
SAO7563