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: 4:44  
clear_day Transit: 12:57  
SunsetSet: 21:11 south
sunny DaytimeWhat's Visible Now
All Constellations » Hydra » 


Altitude: -19.3°   Azimuth: 95.8°   Direction: East

HR4152 is a main-sequence star in the constellation of Hydra.

HR4152 visual magnitude is 6.49. Because of its reltive faintness, HR4152 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 HR4152:


HR4152 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -19.3°
Azimuth: 95.8°
Direction: East

Celestial coordinates and finder chart of HR4152

HR4152 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 HR4152 are provided in the following table:

10h 35m 38s
-18° 34’ 09”

The simplified sky map below shows the position of HR4152 in the sky:

Finder chart HR4152 star
Simplified finder chart for HR4152.

Visibility of HR4152 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 HR4152 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: 108.6°
Max altitude: 20.0°
Azimuth: 251.4°
HR4152 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR4152

The image below is a photograph of HR4152 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 HR4152 is 0.009 arcsec per year in Right Ascension and 0.008 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR4152 star
DSS2 image of HR4152. The red arrow shows the motion of HR4152 during the next 100000 years (15.00 arcmin in Right Ascension and 13.33 arcmin in declination);

Distance of HR4152 from the Sun and relative movement

HR4152 is distant 235.04 light years from the Sun and it is moving towards the Sun at the speed of 7 kilometers per second.

72.10 pc
235.04 ly
-7 km/s
0.009 arcsec/year
0.008 arcsec/year

Spectral properties of HR4152

HR4152 belongs to spectral class A7 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR4152 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4152. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4152