HR7996

HR7996 is a giant star in the constellation of Cygnus.

HR7996 visual magnitude is 6.44. Because of its reltive faintness, HR7996 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 HR7996:

Color of HR7996 ⬤

Magnitude of HR7996 6.44

Class Giant

VISIBILITY RIGHT NOW HR7996 is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 5°.

Celestial coordinates and finder chart of HR7996

HR7996 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 HR7996 are provided in the following table:

Right Ascension J2000 20h 52m 00s

Declination J2000 +32° 50’ 57”

Galactic Longitude 75.83°

Galactic Latitude -7.36°

Constellation Cygnus

The simplified sky map below shows the position of HR7996 in the sky:

Simplified finder chart for HR7996.

Visibility of HR7996 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 HR7996 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: 57.2° RISE 19:48

Max altitude: 71.4° TRANSIT 5:26

Azimuth: 302.8° SET 14:59

RIGHT NOW HR7996 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR7996

The image below is a photograph of HR7996 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 HR7996 is -0.009 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.

DSS2 image of HR7996. The red arrow shows the motion of HR7996 during the next 100000 years (-15.00 arcmin in Right Ascension and 10.00 arcmin in declination);

Distance of HR7996 from the Sun and relative movement

HR7996 is distant 1,952.10 light years from the Sun and it is moving towards the Sun at the speed of 18 kilometers per second.

Distance (parsec) 598.80 pc

Distance (light year) 1,952.10 ly

Heliocentric radial velocity -18 km/s

Proper Motion RA -0.009 arcsec/year

Proper Motion Dec 0.006 arcsec/year

Spectral properties of HR7996

HR7996 belongs to spectral class B3 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -2.45

Spectral Type B3III

Color Index (B-V) -0.15

Temperature of HR7996 12489K

The red dot in the diagram below shows where HR7996 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7996. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7996

Henry Draper Catalogue HD198820

SAO Catalogue SAO70596

Hipparcos Catalogue HIP102993

Durchmusterung Catalogue BD+32 3974

In Evidence

Other stars in Cygnus