HR3099

HR3099 is a variable giant star in the constellation of Puppis.

HR3099 visual magnitude is 6.33. Because of its reltive faintness, HR3099 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 HR3099:

Color of HR3099 ⬤

Magnitude of HR3099 6.33

Class Giant

VISIBILITY RIGHT NOW HR3099 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR3099

HR3099 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR3099 are provided in the following table:

Right Ascension J2000 07h 56m 22s

Declination J2000 -30° 17’ 07”

Galactic Longitude 246.92°

Galactic Latitude -0.86°

Constellation Puppis

The simplified sky map below shows the position of HR3099 in the sky:

Simplified finder chart for HR3099.

Visibility of HR3099 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 HR3099 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: 120.3° RISE 13:42

Max altitude: 8.2° TRANSIT 16:32

Azimuth: 239.7° SET 19:22

RIGHT NOW HR3099 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR3099

The image below is a photograph of HR3099 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 HR3099 is 0.004 arcsec per year in Right Ascension and -0.032 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR3099. The red arrow shows the motion of HR3099 during the next 10000 years (0.67 arcmin in Right Ascension and -5.33 arcmin in declination);

Distance of HR3099 from the Sun and relative movement

HR3099 is distant 1,220.97 light years from the Sun and it is moving far from the Sun at the speed of 21 kilometers per second.

Distance (parsec) 374.53 pc

Distance (light year) 1,220.97 ly

Heliocentric radial velocity 21 km/s

Proper Motion RA 0.004 arcsec/year

Proper Motion Dec -0.032 arcsec/year

Spectral properties of HR3099

HR3099 belongs to spectral class M6 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -1.54

Spectral Type M6III

Color Index (B-V) 1.66

Temperature of HR3099 3568K

The red dot in the diagram below shows where HR3099 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR3099. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3099

Henry Draper Catalogue HD65183

SAO Catalogue SAO198609

Hipparcos Catalogue HIP38792

Durchmusterung Catalogue CD-29 5189

General Catalogue of Variable Stars PX Pup

In Evidence

Other stars in Puppis