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

HR2722

HR2722 is a multiple star in the constellation of Gemini.

HR2722 visual magnitude is 6.89. Because of its reltive faintness, HR2722 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 HR2722:

6.89
HR2722 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 63°.

Celestial coordinates and finder chart of HR2722

HR2722 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 HR2722 are provided in the following table:

07h 14m 26s
+24° 42’ 38”
192.84°
15.76°
Gemini

The simplified sky map below shows the position of HR2722 in the sky:

Finder chart HR2722 star
Simplified finder chart for HR2722.

Visibility of HR2722 from your location

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

Today's HR2722 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 65.3°
Max altitude: 63.2°
Azimuth: 294.7°
HR2722 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR2722

The image below is a photograph of HR2722 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 HR2722 is 0.003 arcsec per year in Right Ascension and -0.016 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR2722 star
DSS2 image of HR2722. The red arrow shows the motion of HR2722 during the next 10000 years (0.50 arcmin in Right Ascension and -2.67 arcmin in declination);

Distance of HR2722 from the Sun and relative movement

HR2722 is distant 683.44 light years from the Sun and it is moving far from the Sun at the speed of 3 kilometers per second.

209.64 pc
683.44 ly
3 km/s
0.003 arcsec/year
-0.016 arcsec/year

Spectral properties of HR2722

HR2722 belongs to spectral class A1 HR2722 is also a SrCr chemically peculiar star.

0.28
A1
10516K

The red dot in the diagram below shows where HR2722 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR2722. Attribution: Richard Powell / CC BY-SA

HR2722 star system properties

HR2722 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR2722 double sysyem:

6.89
10.39
3.5
27.5 arcsec

Alternative designations of HR2722

SAO79191
SAO79191