HR684

Below the horizon. Rise: 21:58 | Tran: 3:38 | Set: 9:15

Alt: -18.60° Az: 287.32° Direction: West-North-West

HR684 is a main-sequence star of spectral class A3 in the constellation of Cetus.

HR684 visual magnitude is 6.5. Because of its faintness, HR684 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 HR684. The red arrow shows the motion of HR684 during the next 10000 years (6.83 arcmin in Right Ascension and 0.83 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 02h 20m 55s

Declination -04° 13’ 58”

Hour Angle 07h 39m 28s

Sideral Time 10h 00m 23s

J2000

Right Ascension 02h 19m 40s

Declination -04° 20’ 44”

Galactic Coordinates

Galactic Longitude 169.55°

Galactic Latitude -58.98°

Finder Chart

Simplified finder chart for HR684.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.5

Class Main-sequence

Absolute magnitude 0.38

Spectral Type A3V

Color Index (B-V) 0.08

Temperature 9226K

The red dot in the diagram below shows where HR684 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR684. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR684 is distant 545.15 light years from the Sun and it is moving far from the Sun at the speed of 18 kilometers per second.

Distance (parsec) 167.22

Distance (light year) 545.15

Radial Speed 18 km/s

Proper Motion RA 0.041 arcsec/y

Proper Motion Dec 0.005"/y

Alternative Designations

Henry Draper Catalogue HD14417

SAO Catalogue SAO129830

Hipparcos Catalogue HIP10854

Durchmusterung Catalogue BD-05 438

Visibility from Your Location

Today's HR684 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 94.2° RISE 21:58

Max altitude: 34.3° TRANSIT 3:38

Azimuth: 265.8° SET 9:15

Name:	Greenwich, UK
Latitude:	51° 28' 48.0" N
Longitude:	0° 0' 0.0" E
Timezone:	Europe/London

Location

Other stars in Cetus