HR7241

HR7241 is a variable giant star in the constellation of Sagittarius.

HR7241 visual magnitude is 6.29. Because of its reltive faintness, HR7241 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 HR7241:

Color of HR7241 ⬤

Magnitude of HR7241 6.29

Class Giant

VISIBILITY RIGHT NOW HR7241 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 15°.

Celestial coordinates and finder chart of HR7241

HR7241 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR7241 are provided in the following table:

Right Ascension J2000 19h 07m 08s

Declination J2000 -18° 44’ 16”

Galactic Longitude 17.75°

Galactic Latitude -11.78°

Constellation Sagittarius

The simplified sky map below shows the position of HR7241 in the sky:

Simplified finder chart for HR7241.

Visibility of HR7241 from your location

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

Today's HR7241 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 108.7° RISE 2:47

Max altitude: 19.8° TRANSIT 7:05

Azimuth: 251.3° SET 11:22

RIGHT NOW HR7241 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR7241

The image below is a photograph of HR7241 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 HR7241 is 0.019 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 HR7241. The red arrow shows the motion of HR7241 during the next 10000 years (3.17 arcmin in Right Ascension and -0.67 arcmin in declination);

Distance of HR7241 from the Sun and relative movement

HR7241 is distant 724.44 light years from the Sun and it is moving towards the Sun at the speed of 11 kilometers per second.

Distance (parsec) 222.22 pc

Distance (light year) 724.44 ly

Heliocentric radial velocity -11 km/s

Proper Motion RA 0.019 arcsec/year

Proper Motion Dec -0.004 arcsec/year

Spectral properties of HR7241

HR7241 belongs to spectral class B8 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -0.44

Spectral Type B8III

Color Index (B-V) -0.04

Temperature of HR7241 10653K

The red dot in the diagram below shows where HR7241 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7241. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7241

Henry Draper Catalogue HD177863

SAO Catalogue SAO162204

Hipparcos Catalogue HIP93887

Durchmusterung Catalogue BD-18 5206

General Catalogue of Variable Stars 11743

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Other stars in Sagittarius