HR4522

Below the horizon. Rise: 11:13 | Tran: 17:11 | Set: 23:13

Alt: -7.38° Az: 207.80° Direction: South-South-West

HR4522 is a variable and double supergiant star of spectral class G5 in the constellation of Centaurus.

HR4522 visual magnitude is 4.11. Because of its moderate brightness, HR4522 is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

DSS2 image of HR4522. The red arrow shows the motion of HR4522 during the next 10000 years (-4.50 arcmin in Right Ascension and -2.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 11h 47m 45s

Declination -61° 19’ 12”

Hour Angle 07h 01m 47s

Sidereal Time 18h 49m 32s

J2000

Right Ascension 11h 46m 30s

Declination -61° 10’ 41”

Galactic Coordinates

Galactic Longitude 295.19°

Galactic Latitude 0.71°

Finder Chart

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Finder chart for HR4522.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.11

Class Supergiant

Absolute magnitude -1.51

Spectral Type G5I

Color Index (B-V) 0.9

Temperature 4996K

The red dot in the diagram below shows where HR4522 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4522. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR4522 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR4522 double sysyem:

Main star magnitude 4.11

Secondary star magnitude 12.91

Magnitude difference 8.8

Separation 25 arcsec

Distance, Radial Speed, Proper Motion

HR4522 is distant 434.09 light years from the Sun and it is moving towards the Sun at the speed of 3 kilometers per second.

Distance (parsec) 133.16

Distance (light year) 434.09

Radial Speed -3 km/s

Proper Motion RA -0.027 arcsec/y

Proper Motion Dec -0.015"/y

Alternative Designations

Henry Draper Catalogue HD102350

SAO Catalogue SAO251579

Hipparcos Catalogue HIP57439

Durchmusterung Catalogue CP-60 3325

FK5 Catalogue 443

General Catalogue of Variable Stars 5325

Visibility from Your Location

Today's HR4522 rise, transit and set times from Cayambe, Ecuador are the following (all times relative to the local timezone America/Guayaquil):

Azimuth: 151.3° RISE 11:13

Max altitude: 28.6° TRANSIT 17:11

Azimuth: 208.7° SET 23:13

Name:	Cayambe, Ecuador
Latitude:	0° 2' 27.0" N
Longitude:	78° 8' 42.7" W
Timezone:	America/Guayaquil

Set Location

Other stars in Centaurus