In Evidence

3I/ATLAS: A Month-by-Month Observing Guide

Discover how to observe the interstellar comet 3I/ATLAS as it passes through the inner Solar System in 2025 Read more...

Other stars in Corvus

All Constellations » Corvus »

HR4809

Below the horizon. Rise: 15:20 | Tran: 18:57 | Set: 22:33

Alt: -46.56° Az: 22.54° Direction: North-North-East

HR4809 is a dwarf star of spectral class A6 in the constellation of Corvus.

HR4809 visual magnitude is 6. Because of its faintness, HR4809 is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

DSS2 image of HR4809. The red arrow shows the motion of HR4809 during the next 1000 years (-1.98 arcmin in Right Ascension and 0.42 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 12h 40m 05s

Declination -18° 23’ 25”

Hour Angle 13h 04m 30s

Sidereal Time 01h 44m 35s

J2000

Right Ascension 12h 38m 44s

Declination -18° 15’ 01”

Galactic Coordinates

Galactic Longitude 298.71°

Galactic Latitude 44.52°

Finder Chart

Loading map...

Finder chart for HR4809.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6

Class Dwarf

Absolute magnitude 2.03

Spectral Type A6

Color Index (B-V) 0.29

Temperature 7526K

The red dot in the diagram below shows where HR4809 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4809. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR4809 is distant 202.86 light years from the Sun and it is moving towards the Sun at the speed of 13 kilometers per second.

Distance (parsec) 62.23

Distance (light year) 202.86

Radial Speed -13 km/s

Proper Motion RA -0.119 arcsec/y

Proper Motion Dec 0.025"/y

Alternative Designations

Henry Draper Catalogue HD109931

SAO Catalogue SAO157415

Hipparcos Catalogue HIP61688

Durchmusterung Catalogue BD-17 3668

FK5 Catalogue 3010

Visibility from Your Location

Today's HR4809 rise, transit and set times from Finström, Aland are the following (all times relative to the local timezone Europe/Mariehamn):

Azimuth: 108.4° RISE 15:20

Max altitude: 11.3° TRANSIT 18:57

Azimuth: 251.6° SET 22:33

Name:	Finström, Aland
Latitude:	60° 16' 0.1" N
Longitude:	19° 55' 59.9" E
Timezone:	Europe/Mariehamn

Set Location