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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:04  
clear_day Transit: 12:06  
SunsetSet: 18:09
sunny DaytimeWhat's Visible Now?
All Constellations » Orion » 

HR1819

Altitude: -22.7°   Azimuth: 20.5°   Direction: North-North-East

HR1819 is a main-sequence star in the constellation of Orion.

HR1819 visual magnitude is 6.35. Because of its reltive faintness, HR1819 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR1819 is 0.014 arcsec per year in Right Ascension and -0.018 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR1819 star
DSS2 image of HR1819. The red arrow shows the motion of HR1819 during the next 10000 years (2.33 arcmin in Right Ascension and -3.00 arcmin in declination);

Key facts about HR1819

6.35
Main-sequence

HR1819 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -22.7°
Azimuth: 20.5°
Direction: North-North-East

Celestial coordinates and finder chart of HR1819

HR1819 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 HR1819 are provided in the following table:

05h 28m 34s
+13° 40’ 44”
190.93°
-11.42°
Orion

The simplified sky map below shows the position of HR1819 in the sky:

Finder chart HR1819 star
Simplified finder chart for HR1819.

Visibility of HR1819 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 HR1819 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: 76.3°
Max altitude: 52.2°
Azimuth: 283.7°

Distance of HR1819 from the Sun and relative movement

HR1819 is distant 321.82 light years from the Sun and it is moving far from the Sun at the speed of 25 kilometers per second.

98.72 pc
321.82 ly
25 km/s
0.014 arcsec/year
-0.018 arcsec/year

Spectral properties of HR1819

HR1819 belongs to spectral class A4 and has a luminosity class of V corresponding to a main-sequence star.

1.38
A4V
8571K

The red dot in the diagram below shows where HR1819 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1819. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1819

SAO94580
SAO94580