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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:18 
Transit: 12:14 
Sunset: 17:11
wb_twilight   (Nautical Twilight)  
What's Visible Now • Tonight Timeline
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All Constellations » Cetus » 

HR404

Below the horizon.  Rise: 10:26 | Tran: 15:49 | Set: 21:13
Alt: -33.90°   Az: 51.99°   Direction: North-East

HR404 is a double main-sequence star of spectral class F3 in the constellation of Cetus.

HR404 visual magnitude is 5.91. Because of its faintness, HR404 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.

Image of HR404 star
DSS2 image of HR404. The red arrow shows the motion of HR404 during the next 10000 years (7.00 arcmin in Right Ascension and 0.50 arcmin in declination);

Celestial Coordinates

Apparent

01h 25m 36s
-06° 47’ 03”
14h 44m 45s
16h 10m 21s

J2000

01h 24m 20s
-06° 54’ 52”

Galactic Coordinates

145.55°
-68.33°

Finder Chart

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  Loading map...
Finder chart for HR404.

Magnitude, Color, Spectral Class

5.91
Main-sequence

2.65
F3V
6827K

The red dot in the diagram below shows where HR404 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR404. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR404 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 HR404 double sysyem:

5.91
6.11
0.2
0.2 arcsec

Distance, Radial Speed, Proper Motion

HR404 is distant 145.99 light years from the Sun and it is moving far from the Sun at the speed of 32 kilometers per second.

44.78
145.99
32 km/s
0.042 arcsec/y
0.003"/y

Alternative Designations

SAO129277
SAO129277

Visibility from Your Location

Today's HR404 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 96.8°
Max altitude: 31.7°
Azimuth: 263.2°