HR7211

HR7211 is a hypergiant star in the constellation of Sagittarius.

HR7211 visual magnitude is 5.5. Because of its reltive faintness, HR7211 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 HR7211:

Color of HR7211 ⬤

Magnitude of HR7211 5.5

Class Hypergiant

VISIBILITY RIGHT NOW HR7211 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR7211

HR7211 is situated south of the celestial equator, as such, it is more easily visible from the southern emisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR7211 are provided in the following table:

Right Ascension J2000 19h 04m 25s

Declination J2000 -31° 02’ 48”

Galactic Longitude 5.88°

Galactic Latitude -16.16°

Constellation Sagittarius

The simplified sky map below shows the position of HR7211 in the sky:

Simplified finder chart for HR7211.

Visibility of HR7211 from your location

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

Today's HR7211 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 121.0° RISE 5:04

Max altitude: 7.5° TRANSIT 7:46

Azimuth: 239.0° SET 10:29

RIGHT NOW HR7211 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR7211

The image below is a photograph of HR7211 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 HR7211 is 0.014 arcsec per year in Right Ascension and -0.016 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR7211. The red arrow shows the motion of HR7211 during the next 10000 years (2.33 arcmin in Right Ascension and -2.67 arcmin in declination);

Distance of HR7211 from the Sun and relative movement

HR7211 is distant 546.06 light years from the Sun and it is moving towards the Sun at the speed of 26 kilometers per second.

Distance (parsec) 167.50 pc

Distance (light year) 546.06 ly

Heliocentric radial velocity -26 km/s

Proper Motion RA 0.014 arcsec/year

Proper Motion Dec -0.016 arcsec/year

Spectral properties of HR7211

HR7211 belongs to spectral class A0 and has a luminosity class of IV corresponding to a hypergiant star.

Absolute magnitude -0.62

Spectral Type A0IV

Color Index (B-V) 0.03

Temperature of HR7211 9766K

The red dot in the diagram below shows where HR7211 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7211. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7211

Henry Draper Catalogue HD177074

SAO Catalogue SAO210883

Hipparcos Catalogue HIP93667

Durchmusterung Catalogue CD-3116306

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In Evidence

Other stars in Sagittarius