Home
Search Objects
Major Solar System Objects
Comets
Asteroids
Spacecrafts
Star Maps
Orbits
public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:03 
Transit: 12:56 
Sunset: 20:50
warning Set your observing location to get relevant data
wb_twilight   (Nautical Twilight)  
Planets Visible Tonight
Planets Visible Tonight
 • 
What's Visible Now • Tonight Sky
Search  close
All Constellations » Hydra » 

47 Hydrae

Above the horizon.  Rise: 19:33 | Tran: 23:08 | Set: 2:47
Alt: 13.02°   Az: 171.65°   Direction: South

47 Hydrae is a main-sequence star of spectral class B8 in the constellation of Hydra.

47 Hydrae visual magnitude is 5.15. Because of its faintness, 47 Hydrae is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Image of 47 Hydrae star
DSS2 image of 47 Hydrae. The red arrow shows the motion of 47 Hydrae during the next 10000 years (-8.17 arcmin in Right Ascension and -4.83 arcmin in declination);

Celestial Coordinates

Apparent

13h 59m 57s
-25° 05’ 41”
23h 24m 03s
13h 24m 00s

J2000

13h 58m 31s
-24° 58’ 19”

Galactic Coordinates

321.66°
35.45°

Finder Chart

loader
  Loading map...
Finder chart for 47 Hydrae.

Magnitude, Color, Spectral Class

5.15
Main-sequence
47 Hydrae is also a Sh chemically peculiar star.

0.06
B8V
11573K

The red dot in the diagram below shows where 47 Hydrae is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 47 Hydrae. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

47 Hydrae is distant 339.23 light years from the Sun and it is moving far from the Sun at the speed of 5 kilometers per second.

104.06
339.23
5 km/s
-0.049 arcsec/y
-0.029"/y

Alternative Designations

SAO182134
SAO182134

Visibility from Your Location

Today's 47 Hydrae rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 115.1°
Max altitude: 13.4°
Azimuth: 244.9°