HR3919

Altitude: -32.0° Azimuth: 267.5° Direction: West

HR3919 is a giant star in the constellation of Hydra.

HR3919 visual magnitude is 4.88. Because of its moderate brightness, HR3919 should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about HR3919:

Color of HR3919 ⬤

Magnitude of HR3919 4.88

Class Giant

VISIBILITY RIGHT NOW

HR3919 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -32.0°
Azimuth: 267.5°
Direction: West

Celestial coordinates and finder chart of HR3919

HR3919 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 HR3919 are provided in the following table:

Right Ascension J2000 09h 54m 12s

Declination J2000 -25° 55’ 57”

Galactic Longitude 260.31°

Galactic Latitude 21.92°

Constellation Hydra

The simplified sky map below shows the position of HR3919 in the sky:

Simplified finder chart for HR3919.

Visibility of HR3919 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 HR3919 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: 115.9° RISE 7:14

Max altitude: 12.6° TRANSIT 10:42

Azimuth: 244.1° SET 14:10

Digitized Sky Survey image of HR3919

The image below is a photograph of HR3919 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 HR3919 is -0.18 arcsec per year in Right Ascension and 0.054 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

DSS2 image of HR3919. The red arrow shows the motion of HR3919 during the next 1000 years (-3.00 arcmin in Right Ascension and 0.90 arcmin in declination);

Distance of HR3919 from the Sun and relative movement

HR3919 is distant 335.74 light years from the Sun and it is moving far from the Sun at the speed of 51 kilometers per second.

Distance (parsec) 102.99 pc

Distance (light year) 335.74 ly

Heliocentric radial velocity 51 km/s

Proper Motion RA -0.18 arcsec/year

Proper Motion Dec 0.054 arcsec/year

Spectral properties of HR3919

HR3919 belongs to spectral class K2 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -0.18

Spectral Type K2III

Color Index (B-V) 1.23

Temperature of HR3919 4251K

The red dot in the diagram below shows where HR3919 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR3919. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3919

Henry Draper Catalogue HD85859

SAO Catalogue SAO178158

Hipparcos Catalogue HIP48559

Durchmusterung Catalogue CD-25 7585

FK5 Catalogue 2792

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In Evidence

Other stars in Hydra