HR7512

HR7512 is a multiple giant star in the constellation of Cygnus.

HR7512 visual magnitude is 6.05. Because of its reltive faintness, HR7512 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 HR7512:

Color of HR7512 ⬤

Magnitude of HR7512 6.05

Class Giant

VISIBILITY RIGHT NOW HR7512 is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 63°.

Celestial coordinates and finder chart of HR7512

HR7512 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 HR7512 are provided in the following table:

Right Ascension J2000 19h 43m 51s

Declination J2000 +34° 09’ 45”

Galactic Longitude 68.92°

Galactic Latitude 5.11°

Constellation Cygnus

The simplified sky map below shows the position of HR7512 in the sky:

Simplified finder chart for HR7512.

Visibility of HR7512 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 HR7512 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: 55.8° RISE 18:19

Max altitude: 72.7° TRANSIT 4:14

Azimuth: 304.2° SET 14:05

RIGHT NOW HR7512 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR7512

The image below is a photograph of HR7512 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 HR7512 is -0.002 arcsec per year in Right Ascension and 0.003 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

DSS2 image of HR7512. The red arrow shows the motion of HR7512 during the next 100000 years (-3.33 arcmin in Right Ascension and 5.00 arcmin in declination);

Distance of HR7512 from the Sun and relative movement

HR7512 is distant 900.55 light years from the Sun and it is moving towards the Sun at the speed of 11 kilometers per second.

Distance (parsec) 276.24 pc

Distance (light year) 900.55 ly

Heliocentric radial velocity -11 km/s

Proper Motion RA -0.002 arcsec/year

Proper Motion Dec 0.003 arcsec/year

Spectral properties of HR7512

HR7512 belongs to spectral class B8 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -1.16

Spectral Type B8III

Color Index (B-V) -0.06

Temperature of HR7512 10941K

The red dot in the diagram below shows where HR7512 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7512. Attribution: Richard Powell / CC BY-SA

HR7512 star system properties

HR7512 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 HR7512 double sysyem:

Main star magnitude 6.05

Secondary star magnitude 13.35

Magnitude difference 7.3

Separation 33.9 arcsec

Alternative designations of HR7512

Henry Draper Catalogue HD186568

SAO Catalogue SAO68764

Hipparcos Catalogue HIP97087

Durchmusterung Catalogue BD+33 3572

Aitken Double Star Catalogue ADS12852

In Evidence

Other stars in Cygnus