HR7739 is a variable and multiple main-sequence star in the constellation of Vulpecula.
HR7739 visual magnitude is 4.78. Because of its moderate brightness, HR7739 should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.
The table below summarizes the key facts about HR7739:
Celestial coordinates and finder chart of HR7739
HR7739 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR7739 are provided in the following table:
The simplified sky map below shows the position of HR7739 in the sky:
Visibility of HR7739 from your location
Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Today's HR7739 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):
Digitized Sky Survey image of HR7739
The image below is a photograph of HR7739 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 HR7739 is 0.008 arcsec per year in Right Ascension and -0.006 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.
Distance of HR7739 from the Sun and relative movement
HR7739 is distant 1,198.53 light years from the Sun and it is moving towards the Sun at the speed of 7 kilometers per second.
Spectral properties of HR7739
HR7739 belongs to spectral class B3 and has a luminosity class of V corresponding to a main-sequence star.
The red dot in the diagram below shows where HR7739 is situated in the Hertzsprung–Russell diagram.
HR7739 star system properties
HR7739 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR7739 double sysyem: