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: 4:52  
clear_day Transit: 12:55  
SunsetSet: 20:59 south
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All Constellations » Puppis » 

HR3020

HR3020 is a sub-giant star in the constellation of Puppis.

HR3020 visual magnitude is 6.03. Because of its reltive faintness, HR3020 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 HR3020:

6.03
Sub-giant
HR3020 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR3020

HR3020 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 HR3020 are provided in the following table:

07h 45m 18s
-43° 45’ 07”
257.51°
-9.53°
Puppis

The simplified sky map below shows the position of HR3020 in the sky:

Finder chart HR3020 star
Simplified finder chart for HR3020.

Visibility of HR3020 from your location

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

HR3020 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR3020

The image below is a photograph of HR3020 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 HR3020 is -0.004 arcsec per year in Right Ascension and 0.002 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR3020 star
DSS2 image of HR3020. The red arrow shows the motion of HR3020 during the next 100000 years (-6.67 arcmin in Right Ascension and 3.33 arcmin in declination);

Distance of HR3020 from the Sun and relative movement

HR3020 is distant 885.87 light years from the Sun and it is moving far from the Sun at the speed of 35 kilometers per second.

271.74 pc
885.87 ly
35 km/s
-0.004 arcsec/year
0.002 arcsec/year

Spectral properties of HR3020

HR3020 belongs to spectral class B6 and has a luminosity class of IV corresponding to a sub-giant star.

-1.14
B6IV
11092K

The red dot in the diagram below shows where HR3020 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR3020. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3020

SAO218955
SAO218955