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

HR2111

HR2111 is a double supergiant star in the constellation of Gemini.

HR2111 visual magnitude is 6.05. Because of its reltive faintness, HR2111 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 HR2111:

6.05
Supergiant
HR2111 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 4°.

Celestial coordinates and finder chart of HR2111

HR2111 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 HR2111 are provided in the following table:

06h 01m 00s
+27° 34’ 19”
182.9°
2.23°
Gemini

The simplified sky map below shows the position of HR2111 in the sky:

Finder chart HR2111 star
Simplified finder chart for HR2111.

Visibility of HR2111 from your location

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

Today's HR2111 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 62.4°
Max altitude: 66.1°
Azimuth: 297.6°
HR2111 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR2111

The image below is a photograph of HR2111 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 HR2111 is -0.001 arcsec per year in Right Ascension and -0.004 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR2111 star
DSS2 image of HR2111. The red arrow shows the motion of HR2111 during the next 100000 years (-1.67 arcmin in Right Ascension and -6.67 arcmin in declination);

Distance of HR2111 from the Sun and relative movement

HR2111 is distant 4,657.14 light years from the Sun and it is moving far from the Sun at the speed of 17 kilometers per second.

1,428.57 pc
4,657.14 ly
17 km/s
-0.001 arcsec/year
-0.004 arcsec/year

Spectral properties of HR2111

HR2111 belongs to spectral class B9 and has a luminosity class of I corresponding to a supergiant star.

-4.72
B9I
7795K

The red dot in the diagram below shows where HR2111 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR2111. Attribution: Richard Powell / CC BY-SA

HR2111 star system properties

HR2111 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 HR2111 double sysyem:

6.05
12.05
6
9.5 arcsec

Alternative designations of HR2111

SAO77837
SAO77837