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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
SunriseRise: 6:42  
clear_day Transit: 12:10  
SunsetSet: 17:40
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All Constellations » Virgo » 

Elgafar - φ Virginis (phi Virginis)

Altitude: 14.3°   Azimuth: 112.6°   Direction: East-South-East

Elgafar, also designated as φ Virginis (phi Virginis), is a variable and multiple sub-giant star in the constellation of Virgo.

Elgafar visual magnitude is 4.81. Because of its moderate brightness, Elgafar should be easily visible from locations with dark skies, while it can be barely visible, or not visible at all, from skies affected by light pollution.

The proper motion of Elgafar is -0.139 arcsec per year in Right Ascension and -0.002 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of Elgafar - φ Virginis (phi Virginis) star
DSS2 image of Elgafar. The red arrow shows the motion of Elgafar during the next 1000 years (-2.32 arcmin in Right Ascension and -0.03 arcmin in declination);

Key facts about Elgafar

4.81
Sub-giant

Elgafar - φ Virginis (phi Virginis) is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 14.3°
Azimuth: 112.6°
Direction: East-South-East

Celestial coordinates and finder chart of Elgafar

Elgafar 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 Elgafar are provided in the following table:

14h 28m 12s
-02° 13’ 41”
345.22°
52.51°
Virgo

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

Finder chart Elgafar - φ Virginis (phi Virginis) star
Simplified finder chart for Elgafar - φ Virginis (phi Virginis).

Visibility of Elgafar 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 Elgafar - φ Virginis (phi Virginis) 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: 92.2°
Max altitude: 36.3°
Azimuth: 267.8°

Distance of Elgafar from the Sun and relative movement

Elgafar is distant 134.99 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

41.41 pc
134.99 ly
-10 km/s
-0.139 arcsec/year
-0.002 arcsec/year

Spectral properties of Elgafar

Elgafar belongs to spectral class G2 and has a luminosity class of IV corresponding to a sub-giant star.

1.72
G2IV
5602K

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

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

Elgafar star system properties

Elgafar is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the Elgafar double sysyem:

4.81
8.71
3.9
5.1 arcsec

Alternative designations of Elgafar

Elgafar
φ Virginis
(phi Virginis)
105 Virginis
SAO139951
SAO139951
Gl 550.2A