HR4901
HR4901 is a variable and double main-sequence star in the constellation of Virgo.
HR4901 visual magnitude is 6. Because of its reltive faintness, HR4901 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.
The proper motion of HR4901 is -0.141 arcsec per year in Right Ascension and 0.013 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.
Key facts about HR4901
HR4901 is above the horizon from Greenwich, United Kingdom.
Altitude: 7.2°
Azimuth: 240.9°
Direction: West-South-West
Celestial coordinates and finder chart of HR4901
HR4901 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 HR4901 are provided in the following table:
The simplified sky map below shows the position of HR4901 in the sky:
Visibility of HR4901 from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London
Today's HR4901 rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):
Distance of HR4901 from the Sun and relative movement
HR4901 is distant 217.62 light years from the Sun and it is moving towards the Sun at the speed of 24 kilometers per second.
Spectral properties of HR4901
HR4901 belongs to spectral class A2 and has a luminosity class of V corresponding to a main-sequence star.
The red dot in the diagram below shows where HR4901 is situated in the Hertzsprung–Russell diagram.
HR4901 star system properties
HR4901 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR4901 double sysyem: