HR4257

HR4257 is a variable and multiple giant star in the constellation of Carina.

HR4257 visual magnitude is 3.78. Because of its moderate brightness, HR4257 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 HR4257:

Color of HR4257 ⬤

Magnitude of HR4257 3.78

Class Giant

VISIBILITY RIGHT NOW HR4257 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR4257

HR4257 is situated south of the celestial equator, as such, it is more easily visible from the southern emisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR4257 are provided in the following table:

Right Ascension J2000 10h 53m 29s

Declination J2000 -58° 51’ 11”

Galactic Longitude 288.18°

Galactic Latitude 0.6°

Constellation Carina

The simplified sky map below shows the position of HR4257 in the sky:

Simplified finder chart for HR4257.

Visibility of HR4257 from your location

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

HR4257 is currently not visible from Greenwich, United Kingdom [change]

Digitized Sky Survey image of HR4257

The image below is a photograph of HR4257 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 HR4257 is 0.067 arcsec per year in Right Ascension and 0.03 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR4257. The red arrow shows the motion of HR4257 during the next 10000 years (11.17 arcmin in Right Ascension and 5.00 arcmin in declination);

Distance of HR4257 from the Sun and relative movement

HR4257 is distant 96.71 light years from the Sun and it is moving far from the Sun at the speed of 8 kilometers per second.

Distance (parsec) 29.66 pc

Distance (light year) 96.71 ly

Heliocentric radial velocity 8 km/s

Proper Motion RA 0.067 arcsec/year

Proper Motion Dec 0.03 arcsec/year

Spectral properties of HR4257

HR4257 belongs to spectral class K1 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude 1.42

Spectral Type K1III

Color Index (B-V) 0.95

Temperature of HR4257 4866K

The red dot in the diagram below shows where HR4257 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4257. Attribution: Richard Powell / CC BY-SA

HR4257 star system properties

HR4257 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR4257 double sysyem:

Main star magnitude 3.78

Secondary star magnitude 6.48

Magnitude difference 2.7

Separation 153.9 arcsec

Alternative designations of HR4257

Henry Draper Catalogue HD94510

SAO Catalogue SAO238574

Hipparcos Catalogue HIP53253

Durchmusterung Catalogue CP-58 2834

Gliese Catalogue Gl 404.1

General Catalogue of Variable Stars 5011

How to support us

In Evidence

Other stars in Carina