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🌎  Greenwich, United Kingdom [change]

HR7442

HR7442 is a variable giant star in the constellation of Cygnus.

HR7442 visual magnitude is 5.96. Because of its reltive faintness, HR7442 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 HR7442:

5.96
Giant
HR7442 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 18°.

Celestial coordinates and finder chart of HR7442

HR7442 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 HR7442 are provided in the following table:

19h 33m 41s
+49° 15’ 45”
81.58°
13.83°
Cygnus

The simplified sky map below shows the position of HR7442 in the sky:

Finder chart HR7442 star
Simplified finder chart for HR7442.

Visibility of HR7442 from your location

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

HR7442 is circumpolar and transits at 11:02 UTC (altitude: 87.8°)

Digitized Sky Survey image of HR7442

The image below is a photograph of HR7442 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 HR7442 is 0.005 arcsec per year in Right Ascension and -0.003 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR7442 star
DSS2 image of HR7442. The red arrow shows the motion of HR7442 during the next 100000 years (8.33 arcmin in Right Ascension and -5.00 arcmin in declination);

Distance of HR7442 from the Sun and relative movement

HR7442 is distant 1,461.88 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

448.43 pc
1,461.88 ly
-10 km/s
0.005 arcsec/year
-0.003 arcsec/year

Spectral properties of HR7442

HR7442 belongs to spectral class M4 and has a luminosity class of III corresponding to a giant star.

-2.30
M4III
3594K

The red dot in the diagram below shows where HR7442 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7442. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7442

SAO48589
SAO48589