40 Sextantis

Above the horizon. Rise: 6:41 | Tran: 12:18 | Set: 17:55

Alt: 22.50° Az: 130.27° Direction: South-East

40 Sextantis is a double sub-giant star of spectral class A2 in the constellation of Sextans.

40 Sextantis visual magnitude is 6.61. Because of its faintness, 40 Sextantis is not visible to the naked eye.

DSS2 image of 40 Sextantis. The red arrow shows the motion of 40 Sextantis during the next 10000 years (-8.17 arcmin in Right Ascension and -2.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 10h 50m 32s

Declination -04° 09’ 19”

Hour Angle 21h 00m 06s

Sideral Time 07h 50m 38s

J2000

Right Ascension 10h 49m 17s

Declination -04° 01’ 27”

Galactic Coordinates

Galactic Longitude 254.8°

Galactic Latitude 47.11°

Finder Chart

Simplified finder chart for 40 Sextantis.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.61

Class Sub-giant

Absolute magnitude 1.70

Spectral Type A2IV

Color Index (B-V) 0.22

Temperature 8011K

The red dot in the diagram below shows where 40 Sextantis is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 40 Sextantis. Attribution: Richard Powell / CC BY-SA

Star System Properties

40 Sextantis is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the 40 Sextantis double sysyem:

Main star magnitude 6.61

Secondary star magnitude 7.31

Magnitude difference 0.7

Separation 2.2 arcsec

Distance, Radial Speed, Proper Motion

40 Sextantis is distant 312.56 light years from the Sun and it is moving far from the Sun at the speed of 14 kilometers per second.

Distance (parsec) 95.88

Distance (light year) 312.56

Radial Speed 14 km/s

Proper Motion RA -0.049 arcsec/y

Proper Motion Dec -0.012"/y

Alternative Designations

Flamsteed designation 40 Sextantis

Henry Draper Catalogue HD93742

SAO Catalogue SAO137808

Hipparcos Catalogue HIP52913

Durchmusterung Catalogue BD-03 2999

Aitken Double Star Catalogue ADS7936

Visibility from Your Location

Today's 40 Sextantis rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 94.2° RISE 6:41

Max altitude: 34.4° TRANSIT 12:18

Azimuth: 265.8° SET 17:55

Name:	Greenwich, UK
Latitude:	51° 28' 48.0" N
Longitude:	0° 0' 0.0" E
Timezone:	Europe/London

Location

Other stars in Sextans