4 Puppis

4 Puppis is a hypergiant star in the constellation of Puppis.

4 Puppis visual magnitude is 5.04. Because of its reltive faintness, 4 Puppis should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about 4 Puppis:

Color of 4 Puppis ⬤

Magnitude of 4 Puppis 5.04

Class Hypergiant

VISIBILITY RIGHT NOW 4 Puppis is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 4°.

Celestial coordinates and finder chart of 4 Puppis

4 Puppis is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 4 Puppis are provided in the following table:

Right Ascension J2000 07h 45m 56s

Declination J2000 -14° 33’ 50”

Galactic Longitude 232.14°

Galactic Latitude 5.07°

Constellation Puppis

The simplified sky map below shows the position of 4 Puppis in the sky:

Simplified finder chart for 4 Puppis.

Visibility of 4 Puppis from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's 4 Puppis rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 104.6° RISE 11:40

Max altitude: 24.0° TRANSIT 16:22

Azimuth: 255.4° SET 21:04

RIGHT NOW 4 Puppis is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 4 Puppis

The image below is a photograph of 4 Puppis from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of 4 Puppis is -0.012 arcsec per year in Right Ascension and 0.006 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of 4 Puppis. The red arrow shows the motion of 4 Puppis during the next 10000 years (-2.00 arcmin in Right Ascension and 1.00 arcmin in declination);

Distance of 4 Puppis from the Sun and relative movement

4 Puppis is distant 236.23 light years from the Sun and it is moving towards the Sun at the speed of 2 kilometers per second.

Distance (parsec) 72.46 pc

Distance (light year) 236.23 ly

Heliocentric radial velocity -2 km/s

Proper Motion RA -0.012 arcsec/year

Proper Motion Dec 0.006 arcsec/year

Spectral properties of 4 Puppis

4 Puppis belongs to spectral class F0 and has a luminosity class of V corresponding to a hypergiant star.

Absolute magnitude 0.74

Spectral Type F0V

Color Index (B-V) 0.33

Temperature of 4 Puppis 7276K

The red dot in the diagram below shows where 4 Puppis is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 4 Puppis. Attribution: Richard Powell / CC BY-SA

Alternative designations of 4 Puppis

Flamsteed designation 4 Puppis

Henry Draper Catalogue HD62952

SAO Catalogue SAO153372

Hipparcos Catalogue HIP37891

Durchmusterung Catalogue BD-14 2199

FK5 Catalogue 1202

In Evidence

Other stars in Puppis