HR7530

Altitude: 4.7° Azimuth: 325.3° Direction: North-West

HR7530 is a multiple hypergiant star in the constellation of Cygnus.

HR7530 visual magnitude is 6.09. Because of its reltive faintness, HR7530 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 HR7530:

Color of HR7530 ⬤

Magnitude of HR7530 6.09

Class Hypergiant

VISIBILITY RIGHT NOW

HR7530 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 4.7°
Azimuth: 325.3°
Direction: North-West

Celestial coordinates and finder chart of HR7530

HR7530 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 HR7530 are provided in the following table:

Right Ascension J2000 19h 45m 51s

Declination J2000 +35° 00’ 46”

Galactic Longitude 69.87°

Galactic Latitude 5.17°

Constellation Cygnus

The simplified sky map below shows the position of HR7530 in the sky:

Simplified finder chart for HR7530.

Visibility of HR7530 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 HR7530 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: 55.0° RISE 10:32

Max altitude: 73.5° TRANSIT 20:36

Azimuth: 305.0° SET 6:43

Digitized Sky Survey image of HR7530

The image below is a photograph of HR7530 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 HR7530 is 0.021 arcsec per year in Right Ascension and -0.004 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR7530. The red arrow shows the motion of HR7530 during the next 10000 years (3.50 arcmin in Right Ascension and -0.67 arcmin in declination);

Distance of HR7530 from the Sun and relative movement

HR7530 is distant 424.48 light years from the Sun and it is moving towards the Sun at the speed of 19 kilometers per second.

Distance (parsec) 130.21 pc

Distance (light year) 424.48 ly

Heliocentric radial velocity -19 km/s

Proper Motion RA 0.021 arcsec/year

Proper Motion Dec -0.004 arcsec/year

Spectral properties of HR7530

HR7530 belongs to spectral class K0 and has a luminosity class of II corresponding to a hypergiant star.

Absolute magnitude 0.52

Spectral Type K0II

Color Index (B-V) 1.06

Temperature of HR7530 4603K

The red dot in the diagram below shows where HR7530 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7530. Attribution: Richard Powell / CC BY-SA

HR7530 star system properties

HR7530 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR7530 double sysyem:

Main star magnitude 6.09

Secondary star magnitude 8.49

Magnitude difference 2.4

Separation 44.6 arcsec

Alternative designations of HR7530

Henry Draper Catalogue HD186927

SAO Catalogue SAO68810

Hipparcos Catalogue HIP97242

Durchmusterung Catalogue BD+34 3701

Aitken Double Star Catalogue ADS12900

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Other stars in Cygnus