HR4532

HR4532 is a variable giant star in the constellation of Hydra.

HR4532 visual magnitude is 5.11. Because of its reltive faintness, HR4532 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 HR4532:

Color of HR4532 ⬤

Magnitude of HR4532 5.11

Class Giant

VISIBILITY RIGHT NOW HR4532 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR4532

HR4532 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR4532 are provided in the following table:

Right Ascension J2000 11h 48m 45s

Declination J2000 -26° 44’ 58”

Galactic Longitude 286.01°

Galactic Latitude 34.05°

Constellation Hydra

The simplified sky map below shows the position of HR4532 in the sky:

Simplified finder chart for HR4532.

Visibility of HR4532 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 HR4532 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: 116.7° RISE 16:46

Max altitude: 11.8° TRANSIT 20:08

Azimuth: 243.3° SET 23:30

RIGHT NOW HR4532 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR4532

The image below is a photograph of HR4532 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 HR4532 is -0.032 arcsec per year in Right Ascension and -0.01 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR4532. The red arrow shows the motion of HR4532 during the next 10000 years (-5.33 arcmin in Right Ascension and -1.67 arcmin in declination);

Distance of HR4532 from the Sun and relative movement

HR4532 is distant 476.61 light years from the Sun and it is moving far from the Sun at the speed of 7 kilometers per second.

Distance (parsec) 146.20 pc

Distance (light year) 476.61 ly

Heliocentric radial velocity 7 km/s

Proper Motion RA -0.032 arcsec/year

Proper Motion Dec -0.01 arcsec/year

Spectral properties of HR4532

HR4532 belongs to spectral class M4 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -0.71

Spectral Type M4III

Color Index (B-V) 1.6

Temperature of HR4532 3649K

The red dot in the diagram below shows where HR4532 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4532. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4532

Henry Draper Catalogue HD102620

SAO Catalogue SAO180208

Hipparcos Catalogue HIP57613

Durchmusterung Catalogue CD-26 8789

FK5 Catalogue 1305

General Catalogue of Variable Stars II Hya

In Evidence

Other stars in Hydra