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🌎  Greenwich, United Kingdom [change]

HR1945

HR1945 is a double sub-giant star in the constellation of Auriga.

HR1945 visual magnitude is 6.43. Because of its reltive faintness, HR1945 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 HR1945:

6.43
Sub-giant
HR1945 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR1945

HR1945 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 HR1945 are provided in the following table:

05h 41m 21s
+29° 29’ 15”
179.04°
-0.5°
Auriga

The simplified sky map below shows the position of HR1945 in the sky:

Finder chart HR1945 star
Simplified finder chart for HR1945.

Visibility of HR1945 from your location

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

Today's HR1945 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 60.5°
Max altitude: 68.0°
Azimuth: 299.5°
HR1945 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR1945

The image below is a photograph of HR1945 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 HR1945 is 0.019 arcsec per year in Right Ascension and -0.029 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR1945 star
DSS2 image of HR1945. The red arrow shows the motion of HR1945 during the next 10000 years (3.17 arcmin in Right Ascension and -4.83 arcmin in declination);

Distance of HR1945 from the Sun and relative movement

HR1945 is distant 502.31 light years from the Sun and it is moving far from the Sun at the speed of 18 kilometers per second.

154.08 pc
502.31 ly
18 km/s
0.019 arcsec/year
-0.029 arcsec/year

Spectral properties of HR1945

HR1945 belongs to spectral class B8 and has a luminosity class of IV corresponding to a sub-giant star.

0.49
B8IV
11744K

The red dot in the diagram below shows where HR1945 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1945. Attribution: Richard Powell / CC BY-SA

HR1945 star system properties

HR1945 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR1945 double sysyem:

6.43
6.83
0.4
26.1 arcsec

Alternative designations of HR1945

SAO77393
SAO77393