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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
SunriseRise: 7:01  
clear_day Transit: 12:12  
SunsetSet: 17:24
sunny DaytimeWhat's Visible Now?
All Constellations » Leo Minor » 


Altitude: -0.6°   Azimuth: 351.4°   Direction: North

HR3993 is a variable giant star in the constellation of Leo Minor.

HR3993 visual magnitude is 5.85. Because of its reltive faintness, HR3993 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The proper motion of HR3993 is -0.021 arcsec per year in Right Ascension and -0.031 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR3993 star
DSS2 image of HR3993. The red arrow shows the motion of HR3993 during the next 10000 years (-3.50 arcmin in Right Ascension and -5.17 arcmin in declination);

Key facts about HR3993


HR3993 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -0.6°
Azimuth: 351.4°
Direction: North

Celestial coordinates and finder chart of HR3993

HR3993 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 HR3993 are provided in the following table:

10h 11m 12s
+37° 24’ 06”
Leo Minor

The simplified sky map below shows the position of HR3993 in the sky:

Finder chart HR3993 star
Simplified finder chart for HR3993.

Visibility of HR3993 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 HR3993 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: 52.6°
Max altitude: 75.9°
Azimuth: 307.4°

Distance of HR3993 from the Sun and relative movement

HR3993 is distant 602.59 light years from the Sun and it is moving far from the Sun at the speed of 9 kilometers per second.

184.84 pc
602.59 ly
9 km/s
-0.021 arcsec/year
-0.031 arcsec/year

Spectral properties of HR3993

HR3993 belongs to spectral class K3


The red dot in the diagram below shows where HR3993 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR3993. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3993