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, thank you!
🌎  Observing from: Greenwich, United Kingdom [change]

HR2705

HR2705 is a multiple hypergiant star in the constellation of Canis Major.

HR2705 visual magnitude is 6.23. Because of its reltive faintness, HR2705 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 HR2705:

6.23
Hypergiant
HR2705 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR2705

HR2705 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 HR2705 are provided in the following table:

07h 10m 09s
-18° 41’ 07”
231.68°
-4.43°
Canis Major

The simplified sky map below shows the position of HR2705 in the sky:

Finder chart HR2705 star
Simplified finder chart for HR2705.

Visibility of HR2705 from your location

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

Today's HR2705 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 108.7°
Max altitude: 19.8°
Azimuth: 251.3°
HR2705 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR2705

The image below is a photograph of HR2705 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 HR2705 is -0.01 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 HR2705 star
DSS2 image of HR2705. The red arrow shows the motion of HR2705 during the next 10000 years (-1.67 arcmin in Right Ascension and 2.67 arcmin in declination);

Distance of HR2705 from the Sun and relative movement

HR2705 is distant 162.35 light years from the Sun and it is moving far from the Sun at the speed of 33 kilometers per second.

49.80 pc
162.35 ly
33 km/s
-0.01 arcsec/year
0.016 arcsec/year

Spectral properties of HR2705

HR2705 belongs to spectral class F0

2.74
F0
6880K

The red dot in the diagram below shows where HR2705 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR2705. Attribution: Richard Powell / CC BY-SA

HR2705 star system properties

HR2705 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR2705 double sysyem:

6.23
11.23
5
0.8 arcsec

Alternative designations of HR2705

SAO152497
SAO152497