Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:50  
clear_day Transit: 12:56  
SunsetSet: 21:02 south
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All Constellations » Vulpecula » 

HR7222

HR7222 is a variable giant star in the constellation of Vulpecula.

HR7222 visual magnitude is 6.52. Because of its reltive faintness, HR7222 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 HR7222:

6.52
Giant
HR7222 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR7222

HR7222 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 HR7222 are provided in the following table:

19h 03m 42s
+21° 16’ 04”
53.3°
6.95°
Vulpecula

The simplified sky map below shows the position of HR7222 in the sky:

Finder chart HR7222 star
Simplified finder chart for HR7222.

Visibility of HR7222 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 HR7222 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: 68.7°
Max altitude: 59.8°
Azimuth: 291.3°
HR7222 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR7222

The image below is a photograph of HR7222 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 HR7222 is 0.022 arcsec per year in Right Ascension and -0.021 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR7222 star
DSS2 image of HR7222. The red arrow shows the motion of HR7222 during the next 10000 years (3.67 arcmin in Right Ascension and -3.50 arcmin in declination);

Distance of HR7222 from the Sun and relative movement

HR7222 is distant 401.48 light years from the Sun and it is moving far from the Sun at the speed of 5 kilometers per second.

123.15 pc
401.48 ly
5 km/s
0.022 arcsec/year
-0.021 arcsec/year

Spectral properties of HR7222

HR7222 belongs to spectral class F2 and has a luminosity class of III corresponding to a giant star.

1.07
F2III
7337K

The red dot in the diagram below shows where HR7222 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7222. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7222

SAO86753
SAO86753