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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
north SunriseRise: 7:54  
clear_day Transit: 11:51  
SunsetSet: 15:49 south
sunny DaytimeWhat's Visible Now?
All Constellations » Hydra » 


Altitude: -42.0°   Azimuth: 276.2°   Direction: West

HR4130 is a main-sequence star in the constellation of Hydra.

HR4130 visual magnitude is 6.05. Because of its reltive faintness, HR4130 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 HR4130:


HR4130 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -42.0°
Azimuth: 276.2°
Direction: West

Celestial coordinates and finder chart of HR4130

HR4130 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 HR4130 are provided in the following table:

10h 31m 48s
-28° 14’ 15”

The simplified sky map below shows the position of HR4130 in the sky:

Finder chart HR4130 star
Simplified finder chart for HR4130.

Visibility of HR4130 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 HR4130 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: 118.2°
Max altitude: 10.3°
Azimuth: 241.8°

Digitized Sky Survey image of HR4130

The image below is a photograph of HR4130 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 HR4130 is -0.086 arcsec per year in Right Ascension and -0.016 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4130 star
DSS2 image of HR4130. The red arrow shows the motion of HR4130 during the next 10000 years (-14.33 arcmin in Right Ascension and -2.67 arcmin in declination);

Distance of HR4130 from the Sun and relative movement

HR4130 is distant 138.19 light years from the Sun and it is moving towards the Sun at the speed of 21 kilometers per second.

42.39 pc
138.19 ly
-21 km/s
-0.086 arcsec/year
-0.016 arcsec/year

Spectral properties of HR4130

HR4130 belongs to spectral class F7 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR4130 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4130. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4130