18 Puppis

Below the horizon. Rise: 5:10 | Tran: 9:56 | Set: 14:42

Alt: -46.83° Az: 39.05° Direction: North-East

18 Puppis is a double main-sequence star of spectral class F6 in the constellation of Puppis.

18 Puppis visual magnitude is 5.54. Because of its faintness, 18 Puppis is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

DSS2 image of 18 Puppis. The red arrow shows the motion of 18 Puppis during the next 1000 years (-4.18 arcmin in Right Ascension and 1.02 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 08h 11m 48s

Declination -13° 52’ 25”

Hour Angle 13h 45m 25s

Sideral Time 21h 57m 14s

J2000

Right Ascension 08h 10m 39s

Declination -13° 47’ 57”

Galactic Coordinates

Galactic Longitude 234.57°

Galactic Latitude 10.61°

Finder Chart

Simplified finder chart for 18 Puppis.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.54

Class Main-sequence

Absolute magnitude 3.78

Spectral Type F6V

Color Index (B-V) 0.49

Temperature 6435K

The red dot in the diagram below shows where 18 Puppis is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 18 Puppis. Attribution: Richard Powell / CC BY-SA

Star System Properties

18 Puppis 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 18 Puppis double sysyem:

Main star magnitude 5.54

Secondary star magnitude 12.24

Magnitude difference 6.7

Separation 93 arcsec

Distance, Radial Speed, Proper Motion

18 Puppis is distant 73.31 light years from the Sun and it is moving far from the Sun at the speed of 38 kilometers per second.

Distance (parsec) 22.49

Distance (light year) 73.31

Radial Speed 38 km/s

Proper Motion RA -0.251 arcsec/y

Proper Motion Dec 0.061"/y

Alternative Designations

Flamsteed designation 18 Puppis

Henry Draper Catalogue HD68146

SAO Catalogue SAO153924

Hipparcos Catalogue HIP40035

Durchmusterung Catalogue BD-13 2420

Gliese Catalogue Gl 297.2A

FK5 Catalogue 2637

Visibility from Your Location

Today's 18 Puppis rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 103.9° RISE 5:10

Max altitude: 24.6° TRANSIT 9:56

Azimuth: 256.1° SET 14:42

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

Location

Other stars in Puppis