Home
Search Objects
Major Solar System Objects
Comets
Asteroids
Spacecrafts
Star Maps
Orbits
public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:05 
Transit: 12:56 
Sunset: 20:48
warning Set your observing location to get relevant data
Search  close
All Constellations » Hydra » 

2 Hydrae

Above the horizon.  Rise: 12:03 | Tran: 17:41 | Set: 23:18
Alt: 26.20°   Az: 221.82°   Direction: South-West

2 Hydrae is a variable and double giant star of spectral class A5 in the constellation of Hydra.

2 Hydrae visual magnitude is 5.59. Because of its faintness, 2 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 2 Hydrae star
DSS2 image of 2 Hydrae. The red arrow shows the motion of 2 Hydrae during the next 10000 years (-8.83 arcmin in Right Ascension and -10.17 arcmin in declination);

Celestial Coordinates

Apparent

08h 27m 43s
-04° 04’ 19”
02h 27m 26s
10h 55m 09s

J2000

08h 26m 27s
-03° 59’ 14”

Galactic Coordinates

227.96°
19.02°

Finder Chart

loader
  Loading map...
Finder chart for 2 Hydrae.

Magnitude, Color, Spectral Class

5.59
Giant

1.96
A5III
8011K

The red dot in the diagram below shows where 2 Hydrae is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 2 Hydrae. Attribution: Richard Powell / CC BY-SA

Star System Properties

2 Hydrae is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the 2 Hydrae double sysyem:

5.59
9.39
3.8
72.8 arcsec

Distance, Radial Speed, Proper Motion

2 Hydrae is distant 173.13 light years from the Sun and it is moving far from the Sun at the speed of 27 kilometers per second.

53.11
173.13
27 km/s
-0.053 arcsec/y
-0.061"/y

Alternative Designations

SAO135916
SAO135916

Visibility from Your Location

Today's 2 Hydrae rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 94.1°
Max altitude: 34.4°
Azimuth: 265.9°