Chertan - θ Leonis (theta Leonis)

Above the horizon. Rise: 10:36 | Tran: 17:43 | Set: 0:51

Alt: 33.68° Az: 105.03° Direction: East-South-East

Chertan, also designated as θ Leonis (theta Leonis), is a variable main-sequence star of spectral class A2 in the constellation of Leo.

Chertan visual magnitude is 3.34. Because of its moderate brightness, Chertan 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.

Image of Chertan - θ Leonis (theta Leonis) star

DSS2 image of Chertan. The red arrow shows the motion of Chertan during the next 10000 years (-10.17 arcmin in Right Ascension and -13.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 11h 15m 34s

Declination +15° 17’ 24”

Hour Angle 20h 14m 19s

Sidereal Time 07h 29m 53s

J2000

Right Ascension 11h 14m 14s

Declination +15° 25’ 45”

Galactic Coordinates

Galactic Longitude 235.37°

Galactic Latitude 64.59°

Finder Chart

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Finder chart for Chertan - θ Leonis (theta Leonis).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 3.34

Class Main-sequence

Absolute magnitude -0.34

Spectral Type A2V

Color Index (B-V) -0.01

Temperature 10252K

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

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

Distance, Radial Speed, Proper Motion

Chertan is distant 177.56 light years from the Sun and it is moving far from the Sun at the speed of 8 kilometers per second.

Distance (parsec) 54.47

Distance (light year) 177.56

Radial Speed 8 km/s

Proper Motion RA -0.061 arcsec/y

Proper Motion Dec -0.079"/y

Alternative Designations

Proper Name Chertan

Bayer designation θ Leonis
(theta Leonis)

Flamsteed designation 70 Leonis

Henry Draper Catalogue HD97633

SAO Catalogue SAO99512

Hipparcos Catalogue HIP54879

Durchmusterung Catalogue BD+16 2234

FK5 Catalogue 423

General Catalogue of Variable Stars 5144

Visibility from Your Location

Today's Chertan - θ Leonis (theta Leonis) rise, transit and set times from Laufenburg, Germany are the following (all times relative to the local timezone Europe/Berlin):

Azimuth: 74.7° RISE 10:36

Max altitude: 57.7° TRANSIT 17:43

Azimuth: 285.3° SET 0:51

Name:	Laufenburg, Germany
Latitude:	47° 33' 54.4" N
Longitude:	8° 3' 37.6" E
Timezone:	Europe/Berlin

Set Location

Other stars in Leo