HR1217

HR1217 is a variable star in the constellation of Eridanus.

HR1217 visual magnitude is 6. Because of its reltive faintness, HR1217 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 HR1217:

Color of HR1217 ⬤

Magnitude of HR1217 6

Class

VISIBILITY RIGHT NOW HR1217 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR1217

HR1217 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR1217 are provided in the following table:

Right Ascension J2000 03h 55m 16s

Declination J2000 -12° 05’ 57”

Galactic Longitude 202.97°

Galactic Latitude -44.47°

Constellation Eridanus

The simplified sky map below shows the position of HR1217 in the sky:

Simplified finder chart for HR1217.

Visibility of HR1217 from your location

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

Today's HR1217 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 102.1° RISE 10:59

Max altitude: 26.4° TRANSIT 15:55

Azimuth: 257.9° SET 20:51

RIGHT NOW HR1217 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR1217

The image below is a photograph of HR1217 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 HR1217 is -0.055 arcsec per year in Right Ascension and -0.04 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR1217. The red arrow shows the motion of HR1217 during the next 10000 years (-9.17 arcmin in Right Ascension and -6.67 arcmin in declination);

Distance of HR1217 from the Sun and relative movement

HR1217 is distant 159.73 light years from the Sun and it is moving far from the Sun at the speed of 22 kilometers per second.

Distance (parsec) 49.00 pc

Distance (light year) 159.73 ly

Heliocentric radial velocity 22 km/s

Proper Motion RA -0.055 arcsec/year

Proper Motion Dec -0.04 arcsec/year

Spectral properties of HR1217

HR1217 belongs to spectral class A5 HR1217 is also a SrCrEu chemically peculiar star.

Absolute magnitude 2.55

Spectral Type A5

Color Index (B-V) 0.32

Temperature of HR1217 7337K

The red dot in the diagram below shows where HR1217 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1217. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1217

Henry Draper Catalogue HD24712

SAO Catalogue SAO149251

Hipparcos Catalogue HIP18339

Durchmusterung Catalogue BD-12 752

General Catalogue of Variable Stars DO Eri

How to support us

In Evidence

Other stars in Eridanus