Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:48  
clear_day Transit: 12:56  
SunsetSet: 21:05 south
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All Constellations » Orion » 

HR1571

HR1571 is a variable giant star in the constellation of Orion.

HR1571 visual magnitude is 5.33. Because of its reltive faintness, HR1571 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 HR1571:

5.33
Giant
HR1571 is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 46°.

Celestial coordinates and finder chart of HR1571

HR1571 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 HR1571 are provided in the following table:

04h 54m 47s
+07° 46’ 45”
191.44°
-21.59°
Orion

The simplified sky map below shows the position of HR1571 in the sky:

Finder chart HR1571 star
Simplified finder chart for HR1571.

Visibility of HR1571 from your location

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

Today's HR1571 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 82.2°
Max altitude: 46.3°
Azimuth: 277.8°
HR1571 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR1571

The image below is a photograph of HR1571 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 HR1571 is -0.021 arcsec per year in Right Ascension and -0.027 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR1571 star
DSS2 image of HR1571. The red arrow shows the motion of HR1571 during the next 10000 years (-3.50 arcmin in Right Ascension and -4.50 arcmin in declination);

Distance of HR1571 from the Sun and relative movement

HR1571 is distant 441.14 light years from the Sun and it is moving towards the Sun at the speed of 5 kilometers per second.

135.32 pc
441.14 ly
-5 km/s
-0.021 arcsec/year
-0.027 arcsec/year

Spectral properties of HR1571

HR1571 belongs to spectral class K1

-0.33
K1
4270K

The red dot in the diagram below shows where HR1571 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1571. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1571

SAO112203
SAO112203