Your guide to the Solar System and the night sky
🌎 Location: Greenwich, United Kingdom [change]

HR4677

HR4677 is a double main-sequence star in the constellation of Virgo.

HR4677 visual magnitude is 6.99. Because of its reltive faintness, HR4677 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 HR4677:

6.99
Main-sequence
HR4677 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR4677

HR4677 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 HR4677 are provided in the following table:

12h 18m 09s
-03° 57’ 15”
287.17°
57.89°
Virgo

The simplified sky map below shows the position of HR4677 in the sky:

Finder chart HR4677 star
Simplified finder chart for HR4677.

Visibility of HR4677 from your location

Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's HR4677 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 94.0°
Max altitude: 34.6°
Azimuth: 266.0°
HR4677 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR4677

The image below is a photograph of HR4677 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 HR4677 is -0.017 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 HR4677 star
DSS2 image of HR4677. The red arrow shows the motion of HR4677 during the next 10000 years (-2.83 arcmin in Right Ascension and 2.67 arcmin in declination);

Distance of HR4677 from the Sun and relative movement

HR4677 is distant 254.89 light years from the Sun and it is moving far from the Sun at the speed of 1 kilometers per second.

78.19 pc
254.89 ly
1 km/s
-0.017 arcsec/year
0.016 arcsec/year

Spectral properties of HR4677

HR4677 belongs to spectral class F3 and has a luminosity class of V corresponding to a main-sequence star.

2.52
F3V
7101K

The red dot in the diagram below shows where HR4677 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4677. Attribution: Richard Powell / CC BY-SA

HR4677 star system properties

HR4677 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR4677 double sysyem:

6.99
7.39
0.4
20.1 arcsec

Alternative designations of HR4677

SAO138703
SAO138703