We use cookies to deliver essential features and to measure their performance. Learn more.
Help us keep TheSkyLive 100% free & ads-free, donate now!
Home
Search Objects
Major Solar System Objects
Comets
Asteroids
Spacecrafts
Star Maps
Orbits
public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:12 
Transit: 12:14 
Sunset: 17:16
sleep   (Nighttime)  
What's Visible Now • Tonight Timeline
Search  close
All Constellations » Pegasus » 

Helvetios - 51 Pegasi

Above the horizon.  Rise: 5:19 | Tran: 13:11 | Set: 21:03
Alt: 1.91°   Az: 302.10°   Direction: West-North-West

Helvetios, also designated as 51 Pegasi , is a variable sub-giant star of spectral class G2 in the constellation of Pegasus.

Helvetios visual magnitude is 5.49. Because of its faintness, Helvetios 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 Helvetios - 51 Pegasi star
DSS2 image of Helvetios. The red arrow shows the motion of Helvetios during the next 1000 years (3.40 arcmin in Right Ascension and 0.98 arcmin in declination);

Celestial Coordinates

Apparent

22h 58m 41s
+20° 54’ 13”
07h 39m 59s
06h 38m 40s

J2000

22h 57m 27s
+20° 46’ 08”

Galactic Coordinates

90.06°
-34.73°

Finder Chart

loader
  Loading map...
Finder chart for Helvetios - 51 Pegasi.

Magnitude, Color, Spectral Class

5.49
Sub-giant

4.56
G2IV
5706K

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

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

Distance, Radial Speed, Proper Motion

Helvetios is distant 50.08 light years from the Sun and it is moving towards the Sun at the speed of 31 kilometers per second.

15.36
50.08
-31 km/s
0.204 arcsec/y
0.059"/y

Alternative Designations

Helvetios
SAO90896
SAO90896

Visibility from Your Location

Today's Helvetios - 51 Pegasi rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 69.1°
Max altitude: 59.4°
Azimuth: 290.9°