HR4282

HR4282 is a variable and double main-sequence star in the constellation of Hydra.

HR4282 visual magnitude is 5.71. Because of its reltive faintness, HR4282 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 HR4282:

Color of HR4282 ⬤

Magnitude of HR4282 5.71

Class Main-sequence

VISIBILITY RIGHT NOW HR4282 is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 1°.

Celestial coordinates and finder chart of HR4282

HR4282 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 HR4282 are provided in the following table:

Right Ascension J2000 10h 59m 13s

Declination J2000 -33° 44’ 13”

Galactic Longitude 277.67°

Galactic Latitude 23.57°

Constellation Hydra

The simplified sky map below shows the position of HR4282 in the sky:

Simplified finder chart for HR4282.

Visibility of HR4282 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 HR4282 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: 123.7° RISE 17:04

Max altitude: 4.8° TRANSIT 19:15

Azimuth: 236.3° SET 21:26

RIGHT NOW HR4282 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR4282

The image below is a photograph of HR4282 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 HR4282 is 0.016 arcsec per year in Right Ascension and -0.043 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR4282. The red arrow shows the motion of HR4282 during the next 10000 years (2.67 arcmin in Right Ascension and -7.17 arcmin in declination);

Distance of HR4282 from the Sun and relative movement

HR4282 is distant 158.56 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

Distance (parsec) 48.64 pc

Distance (light year) 158.56 ly

Heliocentric radial velocity -10 km/s

Proper Motion RA 0.016 arcsec/year

Proper Motion Dec -0.043 arcsec/year

Spectral properties of HR4282

HR4282 belongs to spectral class F2 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude 2.28

Spectral Type F2V

Color Index (B-V) 0.37

Temperature of HR4282 7044K

The red dot in the diagram below shows where HR4282 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4282. Attribution: Richard Powell / CC BY-SA

HR4282 star system properties

HR4282 is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the HR4282 double sysyem:

Main star magnitude 5.71

Secondary star magnitude 8.71

Magnitude difference 3

Separation 1.8 arcsec

Alternative designations of HR4282

Henry Draper Catalogue HD95221

SAO Catalogue SAO201976

Hipparcos Catalogue HIP53699

Durchmusterung Catalogue CD-33 7401

General Catalogue of Variable Stars 5041

In Evidence

Other stars in Hydra