HR7772

HR7772 is a variable star in the constellation of Aquila.

HR7772 visual magnitude is 6.63. Because of its reltive faintness, HR7772 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 HR7772:

Color of HR7772 ⬤

Magnitude of HR7772 6.63

Class

VISIBILITY RIGHT NOW HR7772 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR7772

HR7772 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 HR7772 are provided in the following table:

Right Ascension J2000 20h 20m 26s

Declination J2000 -06° 21’ 42”

Galactic Longitude 37.47°

Galactic Latitude -22.67°

Constellation Aquila

The simplified sky map below shows the position of HR7772 in the sky:

Simplified finder chart for HR7772.

Visibility of HR7772 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 HR7772 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: 96.4° RISE 23:09

Max altitude: 32.2° TRANSIT 4:38

Azimuth: 263.6° SET 10:05

RIGHT NOW HR7772 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR7772

The image below is a photograph of HR7772 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 HR7772 is -0.081 arcsec per year in Right Ascension and -0.09 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR7772. The red arrow shows the motion of HR7772 during the next 10000 years (-13.50 arcmin in Right Ascension and -15.00 arcmin in declination);

Distance of HR7772 from the Sun and relative movement

HR7772 is distant 602.59 light years from the Sun and it is moving far from the Sun at the speed of 43 kilometers per second.

Distance (parsec) 184.84 pc

Distance (light year) 602.59 ly

Heliocentric radial velocity 43 km/s

Proper Motion RA -0.081 arcsec/year

Proper Motion Dec -0.09 arcsec/year

Spectral properties of HR7772

HR7772 belongs to spectral class K5

Absolute magnitude 0.30

Spectral Type K5

Color Index (B-V) 1.55

Temperature of HR7772 3720K

The red dot in the diagram below shows where HR7772 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7772. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7772

Henry Draper Catalogue HD193429

SAO Catalogue SAO144313

Hipparcos Catalogue HIP100283

Durchmusterung Catalogue BD-06 5451

FK5 Catalogue 3628

General Catalogue of Variable Stars 13013

In Evidence

Other stars in Aquila