HR7504

Altitude: 29.5° Azimuth: 315.5° Direction: North-West

HR7504 is a multiple main-sequence star in the constellation of Cygnus.

HR7504 visual magnitude is 6.2. Because of its reltive faintness, HR7504 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 HR7504:

Color of HR7504 ⬤

Magnitude of HR7504 6.2

Class Main-sequence

VISIBILITY RIGHT NOW

HR7504 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 29.5°
Azimuth: 315.5°
Direction: North-West

Celestial coordinates and finder chart of HR7504

HR7504 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 HR7504 are provided in the following table:

Right Ascension J2000 19h 41m 52s

Declination J2000 +50° 31’ 02”

Galactic Longitude 83.34°

Galactic Latitude 13.2°

Constellation Cygnus

The simplified sky map below shows the position of HR7504 in the sky:

Simplified finder chart for HR7504.

Visibility of HR7504 from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

HR7504 is circumpolar and transits at 15:08 UTC (altitude: 89.0°)

Digitized Sky Survey image of HR7504

The image below is a photograph of HR7504 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 HR7504 is -0.134 arcsec per year in Right Ascension and -0.162 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

DSS2 image of HR7504. The red arrow shows the motion of HR7504 during the next 1000 years (-2.23 arcmin in Right Ascension and -2.70 arcmin in declination);

Distance of HR7504 from the Sun and relative movement

HR7504 is distant 69.81 light years from the Sun and it is moving towards the Sun at the speed of 27 kilometers per second.

Distance (parsec) 21.41 pc

Distance (light year) 69.81 ly

Heliocentric radial velocity -27 km/s

Proper Motion RA -0.134 arcsec/year

Proper Motion Dec -0.162 arcsec/year

Spectral properties of HR7504

HR7504 belongs to spectral class G2 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude 4.55

Spectral Type G2V

Color Index (B-V) 0.66

Temperature of HR7504 5742K

The red dot in the diagram below shows where HR7504 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7504. Attribution: Richard Powell / CC BY-SA

HR7504 star system properties

HR7504 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR7504 double sysyem:

Main star magnitude 6.2

Secondary star magnitude 6.4

Magnitude difference 0.2

Separation 39.2 arcsec

Alternative designations of HR7504

Henry Draper Catalogue HD186427

SAO Catalogue SAO31899

Hipparcos Catalogue HIP96901

Durchmusterung Catalogue BD+50 2848

Gliese Catalogue Gl 765.1B

Aitken Double Star Catalogue ADS12815

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