HR4490 is a double main-sequence star in the constellation of Crater.
HR4490 visual magnitude is 6.21. Because of its reltive faintness, HR4490 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 HR4490:
HR4490 is below the horizon from Greenwich, United Kingdom .
Celestial coordinates and finder chart of HR4490
HR4490 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 HR4490 are provided in the following table:
The simplified sky map below shows the position of HR4490 in the sky:
Visibility of HR4490 from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Today's HR4490 rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):
Digitized Sky Survey image of HR4490
The image below is a photograph of HR4490 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 HR4490 is -0.038 arcsec per year in Right Ascension and -0.011 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of HR4490 from the Sun and relative movement
HR4490 is distant 597.07 light years from the Sun and it is moving far from the Sun at the speed of 5 kilometers per second.
Spectral properties of HR4490
HR4490 belongs to spectral class A1 and has a luminosity class of V corresponding to a main-sequence star.
The red dot in the diagram below shows where HR4490 is situated in the Hertzsprung–Russell diagram.
HR4490 star system properties
HR4490 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 HR4490 double sysyem: