HR7501

Altitude: 54.7° Azimuth: 245.6° Direction: West-South-West

HR7501 is a variable giant star in the constellation of Cygnus.

HR7501 visual magnitude is 6.49. Because of its reltive faintness, HR7501 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 HR7501:

Color of HR7501 ⬤

Magnitude of HR7501 6.49

Class Giant

VISIBILITY RIGHT NOW

HR7501 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 54.7°
Azimuth: 245.6°
Direction: West-South-West

Celestial coordinates and finder chart of HR7501

HR7501 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 HR7501 are provided in the following table:

Right Ascension J2000 19h 42m 49s

Declination J2000 +29° 19’ 54”

Galactic Longitude 64.6°

Galactic Latitude 2.92°

Constellation Cygnus

The simplified sky map below shows the position of HR7501 in the sky:

Simplified finder chart for HR7501.

Visibility of HR7501 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 HR7501 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: 60.7° RISE 11:40

Max altitude: 67.9° TRANSIT 20:37

Azimuth: 299.3° SET 5:37

Digitized Sky Survey image of HR7501

The image below is a photograph of HR7501 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 HR7501 is 0.061 arcsec per year in Right Ascension and 0.047 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR7501. The red arrow shows the motion of HR7501 during the next 10000 years (10.17 arcmin in Right Ascension and 7.83 arcmin in declination);

Distance of HR7501 from the Sun and relative movement

HR7501 is distant 266.12 light years from the Sun and it is moving towards the Sun at the speed of 25 kilometers per second.

Distance (parsec) 81.63 pc

Distance (light year) 266.12 ly

Heliocentric radial velocity -25 km/s

Proper Motion RA 0.061 arcsec/year

Proper Motion Dec 0.047 arcsec/year

Spectral properties of HR7501

HR7501 belongs to spectral class F1 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude 1.93

Spectral Type F1III

Color Index (B-V) 0.33

Temperature of HR7501 7276K

The red dot in the diagram below shows where HR7501 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7501. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7501

Henry Draper Catalogue HD186357

SAO Catalogue SAO87612

Hipparcos Catalogue HIP96988

Durchmusterung Catalogue BD+28 3447

General Catalogue of Variable Stars V1276 Cyg

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In Evidence

Other stars in Cygnus