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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: 6:48  
clear_day Transit: 12:11  
SunsetSet: 17:34
sleep NighttimeWhat's Visible Now?
All Constellations » Hydra » 

HR3802

Altitude: 24.6°   Azimuth: 188.7°   Direction: South

HR3802 is a giant star in the constellation of Hydra.

HR3802 visual magnitude is 5.94. Because of its reltive faintness, HR3802 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR3802 is -0.008 arcsec per year in Right Ascension and 0.003 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR3802 star
DSS2 image of HR3802. The red arrow shows the motion of HR3802 during the next 100000 years (-13.33 arcmin in Right Ascension and 5.00 arcmin in declination);

Key facts about HR3802

5.94
Giant

HR3802 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 24.6°
Azimuth: 188.7°
Direction: South

Celestial coordinates and finder chart of HR3802

HR3802 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 HR3802 are provided in the following table:

09h 32m 55s
-13° 31’ 00”
246.7°
27°
Hydra

The simplified sky map below shows the position of HR3802 in the sky:

Finder chart HR3802 star
Simplified finder chart for HR3802.

Visibility of HR3802 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 HR3802 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: 103.5°
Max altitude: 25.0°
Azimuth: 256.5°

Distance of HR3802 from the Sun and relative movement

HR3802 is distant 823.23 light years from the Sun and it is moving far from the Sun at the speed of 28 kilometers per second.

252.53 pc
823.23 ly
28 km/s
-0.008 arcsec/year
0.003 arcsec/year

Spectral properties of HR3802

HR3802 belongs to spectral class K5 and has a luminosity class of III corresponding to a giant star.

-1.07
K5III
3794K

The red dot in the diagram below shows where HR3802 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR3802. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3802

SAO155281
SAO155281