HR7538

HR7538 is a main-sequence star in the constellation of Sagittarius.

HR7538 visual magnitude is 6.05. Because of its reltive faintness, HR7538 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 HR7538:

Color of HR7538 ⬤

Magnitude of HR7538 6.05

Class Main-sequence

VISIBILITY RIGHT NOW HR7538 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 2°.

Celestial coordinates and finder chart of HR7538

HR7538 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 HR7538 are provided in the following table:

Right Ascension J2000 19h 49m 11s

Declination J2000 -28° 47’ 20”

Galactic Longitude 11.75°

Galactic Latitude -24.46°

Constellation Sagittarius

The simplified sky map below shows the position of HR7538 in the sky:

Simplified finder chart for HR7538.

Visibility of HR7538 from your location

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

Today's HR7538 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 118.8° RISE 5:26

Max altitude: 9.7° TRANSIT 8:31

Azimuth: 241.2° SET 11:35

RIGHT NOW HR7538 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR7538

The image below is a photograph of HR7538 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 HR7538 is 0.126 arcsec per year in Right Ascension and -0.096 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

DSS2 image of HR7538. The red arrow shows the motion of HR7538 during the next 1000 years (2.10 arcmin in Right Ascension and -1.60 arcmin in declination);

Distance of HR7538 from the Sun and relative movement

HR7538 is distant 148.52 light years from the Sun and it is moving towards the Sun at the speed of 34 kilometers per second.

Distance (parsec) 45.56 pc

Distance (light year) 148.52 ly

Heliocentric radial velocity -34 km/s

Proper Motion RA 0.126 arcsec/year

Proper Motion Dec -0.096 arcsec/year

Spectral properties of HR7538

HR7538 belongs to spectral class F2 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude 2.76

Spectral Type F2V

Color Index (B-V) 0.4

Temperature of HR7538 6880K

The red dot in the diagram below shows where HR7538 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7538. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7538

Henry Draper Catalogue HD187098

SAO Catalogue SAO188603

Hipparcos Catalogue HIP97515

Durchmusterung Catalogue CD-2916546

FK5 Catalogue 3582

Aitken Double Star Catalogue ADS12956

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Other stars in Sagittarius