θ Antliae (theta Antliae)

Below the horizon. Rise: 15:34 | Tran: 18:46 | Set: 21:59

Alt: -22.63° Az: 253.14° Direction: West-South-West

θ Antliae is a double main-sequence star of spectral class A8 in the constellation of Antlia.

θ Antliae visual magnitude is 4.79. Because of its moderate brightness, θ Antliae 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 θ Antliae. The red arrow shows the motion of θ Antliae during the next 10000 years (-7.83 arcmin in Right Ascension and 5.83 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 09h 45m 20s

Declination -27° 53’ 12”

Hour Angle 06h 07m 49s

Sidereal Time 15h 53m 10s

J2000

Right Ascension 09h 44m 12s

Declination -27° 46’ 09”

Galactic Coordinates

Galactic Longitude 259.89°

Galactic Latitude 19.06°

Finder Chart

Loading map...

Finder chart for θ Antliae (theta Antliae).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.79

Class Main-sequence

Absolute magnitude -0.57

Spectral Type A8V

Color Index (B-V) 0.51

Temperature 6344K

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

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

Star System Properties

θ Antliae 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 θ Antliae double sysyem:

Main star magnitude 4.79

Secondary star magnitude 4.99

Magnitude difference 0.2

Separation 0.1 arcsec

Distance, Radial Speed, Proper Motion

θ Antliae is distant 383.98 light years from the Sun and it is moving far from the Sun at the speed of 24 kilometers per second.

Distance (parsec) 117.79

Distance (light year) 383.98

Radial Speed 24 km/s

Proper Motion RA -0.047 arcsec/y

Proper Motion Dec 0.035"/y

Alternative Designations

Bayer designation θ Antliae
(theta Antliae)

Henry Draper Catalogue HD84367

SAO Catalogue SAO177908

Hipparcos Catalogue HIP47758

Durchmusterung Catalogue CD-27 6881

Gliese Catalogue Gl 366.1A

FK5 Catalogue 366

Visibility from Your Location

Today's θ Antliae (theta Antliae) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 117.9° RISE 15:34

Max altitude: 10.6° TRANSIT 18:46

Azimuth: 242.1° SET 21:59

Set Location

Other stars in Antlia