We use cookies to deliver essential features and to measure their performance. Learn more.
Power our Servers! Donate Now!
public LocationGreenwich, UK
TimezoneEurope/London
Sunrise: 5:11 
Transit: 13:06 
Sunset: 21:00
sunny   (Daytime)   What's Visible Now?
All Constellations » Hydra » 

HR4040

Below the horizon.  Rise: 11:09 | Tran: 15:14 | Set: 19:19
Alt: -22.29°   Az: 95.80°   Direction: East

HR4040 is a double main-sequence star of spectral class F3 in the constellation of Hydra.

HR4040 visual magnitude is 6.57. Because of its faintness, HR4040 is not visible to the naked eye.

Image of HR4040 star
DSS2 image of HR4040. The red arrow shows the motion of HR4040 during the next 1000 years (-2.12 arcmin in Right Ascension and -0.63 arcmin in declination);

Celestial Coordinates

Apparent

10h 17m 55s
-20° 47’ 37”
17h 19m 48s
03h 37m 44s

J2000

10h 16m 45s
-20° 40’ 14”

Galactic Coordinates

260.84°
29.29°

Finder Chart

Finder chart HR4040 star
Simplified finder chart for HR4040.

Magnitude, Color, Spectral Class

6.57
Main-sequence

1.53
F3V
6481K

The red dot in the diagram below shows where HR4040 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4040. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR4040 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR4040 double sysyem:

6.57
10.07
3.5
1.3 arcsec

Distance, Radial Speed, Proper Motion

HR4040 is distant 332.65 light years from the Sun and it is moving towards the Sun at the speed of 1 kilometers per second.

102.04
332.65
-1 km/s
-0.127 arcsec/y
-0.038"/y

Alternative Designations

SAO178610
SAO178610

Visibility from Your Location

Today's HR4040 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 110.8°
Max altitude: 17.7°
Azimuth: 249.2°