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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:40  
clear_day Transit: 11:47  
SunsetSet: 15:53 south
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All Constellations » Pictor » 

HR1870

Altitude: -7.5°   Azimuth: 182.7°   Direction: South

HR1870 is a giant star in the constellation of Pictor.

HR1870 visual magnitude is 5.86. Because of its reltive faintness, HR1870 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 HR1870:

5.86
Giant

HR1870 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -7.5°
Azimuth: 182.7°
Direction: South

Celestial coordinates and finder chart of HR1870

HR1870 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR1870 are provided in the following table:

05h 31m 36s
-45° 55’ 31”
252.02°
-32.61°
Pictor

The simplified sky map below shows the position of HR1870 in the sky:

Finder chart HR1870 star
Simplified finder chart for HR1870.

Visibility of HR1870 from your location

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

HR1870 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR1870

The image below is a photograph of HR1870 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 HR1870 is 0.028 arcsec per year in Right Ascension and 0.038 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR1870 star
DSS2 image of HR1870. The red arrow shows the motion of HR1870 during the next 10000 years (4.67 arcmin in Right Ascension and 6.33 arcmin in declination);

Distance of HR1870 from the Sun and relative movement

HR1870 is distant 468.39 light years from the Sun and it is moving far from the Sun at the speed of 7 kilometers per second.

143.68 pc
468.39 ly
7 km/s
0.028 arcsec/year
0.038 arcsec/year

Spectral properties of HR1870

HR1870 belongs to spectral class K3 and has a luminosity class of III corresponding to a giant star.

0.07
K3III
4034K

The red dot in the diagram below shows where HR1870 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR1870. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1870

SAO217382
SAO217382