HR3457

Altitude: -64.8° Azimuth: 234.0° Direction: South-West

HR3457 is a variable and double giant star in the constellation of Carina.

HR3457 visual magnitude is 4.33. Because of its moderate brightness, HR3457 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 HR3457:

Color of HR3457 ⬤

Magnitude of HR3457 4.33

Class Giant

VISIBILITY RIGHT NOW

HR3457 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -64.8°
Azimuth: 234.0°
Direction: South-West

Celestial coordinates and finder chart of HR3457

HR3457 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 HR3457 are provided in the following table:

Right Ascension J2000 08h 40m 36s

Declination J2000 -59° 45’ 39”

Galactic Longitude 275.82°

Galactic Latitude -10.86°

Constellation Carina

The simplified sky map below shows the position of HR3457 in the sky:

Simplified finder chart for HR3457.

Visibility of HR3457 from your location

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

HR3457 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR3457

The image below is a photograph of HR3457 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 HR3457 is -0.001 arcsec per year in Right Ascension and 0 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

DSS2 image of HR3457. The red arrow shows the motion of HR3457 during the next 100000 years (-1.67 arcmin in Right Ascension and 0.00 arcmin in declination);

Distance of HR3457 from the Sun and relative movement

HR3457 is distant 1,411.26 light years from the Sun and it is moving far from the Sun at the speed of 13 kilometers per second.

Distance (parsec) 432.90 pc

Distance (light year) 1,411.26 ly

Heliocentric radial velocity 13 km/s

Proper Motion RA -0.001 arcsec/year

Spectral properties of HR3457

HR3457 belongs to spectral class B1 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -3.85

Spectral Type B1III

Color Index (B-V) -0.11

Temperature of HR3457 11744K

The red dot in the diagram below shows where HR3457 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR3457. Attribution: Richard Powell / CC BY-SA

HR3457 star system properties

HR3457 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 HR3457 double sysyem:

Main star magnitude 4.33

Secondary star magnitude 13.23

Magnitude difference 8.9

Separation 15.7 arcsec

Alternative designations of HR3457

Henry Draper Catalogue HD74375

SAO Catalogue SAO236181

Hipparcos Catalogue HIP42568

Durchmusterung Catalogue CP-59 1080

FK5 Catalogue 2685

General Catalogue of Variable Stars V343 Car

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In Evidence

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