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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: 6:35  
clear_day Transit: 12:10  
SunsetSet: 17:45
wb_twilight Nautical TwilightWhat's Visible Now?
All Constellations » Antlia » 

HR4194

Altitude: -22.0°   Azimuth: 244.7°   Direction: West-South-West

HR4194 is a double hypergiant star in the constellation of Antlia.

HR4194 visual magnitude is 5.64. Because of its reltive faintness, HR4194 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 HR4194 is -0.029 arcsec per year in Right Ascension and 0.002 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4194 star
DSS2 image of HR4194. The red arrow shows the motion of HR4194 during the next 10000 years (-4.83 arcmin in Right Ascension and 0.33 arcmin in declination);

Key facts about HR4194

5.64
Hypergiant

HR4194 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -22.0°
Azimuth: 244.7°
Direction: West-South-West

Celestial coordinates and finder chart of HR4194

HR4194 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 HR4194 are provided in the following table:

10h 42m 43s
-32° 42’ 56”
273.85°
22.79°
Antlia

The simplified sky map below shows the position of HR4194 in the sky:

Finder chart HR4194 star
Simplified finder chart for HR4194.

Visibility of HR4194 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 HR4194 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: 122.7°
Max altitude: 5.8°
Azimuth: 237.3°

Distance of HR4194 from the Sun and relative movement

HR4194 is distant 604.82 light years from the Sun and it is moving far from the Sun at the speed of 4 kilometers per second.

185.53 pc
604.82 ly
4 km/s
-0.029 arcsec/year
0.002 arcsec/year

Spectral properties of HR4194

HR4194 belongs to spectral class A0 and has a luminosity class of V corresponding to a hypergiant star.

-0.70
A0V
10125K

The red dot in the diagram below shows where HR4194 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR4194. Attribution: Richard Powell / CC BY-SA

HR4194 star system properties

HR4194 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 HR4194 double sysyem:

5.64
13.84
8.2
17.4 arcsec

Alternative designations of HR4194

SAO201665
SAO201665