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

HR2021

HR2021 is a double giant star in the constellation of Lepus.

HR2021 visual magnitude is 5.49. Because of its reltive faintness, HR2021 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 HR2021:

5.49
Giant
HR2021 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR2021

HR2021 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 HR2021 are provided in the following table:

05h 49m 36s
-14° 29’ 00”
219.35°
-20.1°
Lepus

The simplified sky map below shows the position of HR2021 in the sky:

Finder chart HR2021 star
Simplified finder chart for HR2021.

Visibility of HR2021 from your location

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

Today's HR2021 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 104.5°
Max altitude: 24.0°
Azimuth: 255.5°
HR2021 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR2021

The image below is a photograph of HR2021 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 HR2021 is -0.025 arcsec per year in Right Ascension and -0.044 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR2021 star
DSS2 image of HR2021. The red arrow shows the motion of HR2021 during the next 10000 years (-4.17 arcmin in Right Ascension and -7.33 arcmin in declination);

Distance of HR2021 from the Sun and relative movement

HR2021 is distant 310.18 light years from the Sun and it is moving towards the Sun at the speed of 2 kilometers per second.

95.15 pc
310.18 ly
-2 km/s
-0.025 arcsec/year
-0.044 arcsec/year

Spectral properties of HR2021

HR2021 belongs to spectral class G6

0.60
G6
5051K

The red dot in the diagram below shows where HR2021 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR2021. Attribution: Richard Powell / CC BY-SA

HR2021 star system properties

HR2021 is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the HR2021 double sysyem:

5.49
8.49
3
2.6 arcsec

Alternative designations of HR2021

SAO150845
SAO150845