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

HR71

HR71 is a hypergiant star in the constellation of Andromeda.

HR71 visual magnitude is 5.87. Because of its reltive faintness, HR71 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 HR71:

5.87
Hypergiant
HR71 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR71

HR71 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 HR71 are provided in the following table:

00h 18m 38s
+31° 31’ 01”
114.79°
-30.84°
Andromeda

The simplified sky map below shows the position of HR71 in the sky:

Finder chart HR71 star
Simplified finder chart for HR71.

Visibility of HR71 from your location

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

Today's HR71 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 58.5°
Max altitude: 70.0°
Azimuth: 301.5°
HR71 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR71

The image below is a photograph of HR71 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 HR71 is 0.058 arcsec per year in Right Ascension and -0.006 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR71 star
DSS2 image of HR71. The red arrow shows the motion of HR71 during the next 10000 years (9.67 arcmin in Right Ascension and -1.00 arcmin in declination);

Distance of HR71 from the Sun and relative movement

HR71 is distant 543.33 light years from the Sun and it is moving towards the Sun at the speed of 5 kilometers per second.

166.67 pc
543.33 ly
-5 km/s
0.058 arcsec/year
-0.006 arcsec/year

Spectral properties of HR71

HR71 belongs to spectral class A0 and has a luminosity class of IV corresponding to a hypergiant star.

-0.24
A0IV
10252K

The red dot in the diagram below shows where HR71 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR71. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR71

SAO53803
SAO53803