28 Hydrae

Below the horizon. Rise: 5:07 | Tran: 10:39 | Set: 16:11

Alt: -16.65° Az: 77.11° Direction: East-North-East

28 Hydrae is a giant star of spectral class K5 in the constellation of Hydra.

28 Hydrae visual magnitude is 5.59. Because of its faintness, 28 Hydrae 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 28 Hydrae. The red arrow shows the motion of 28 Hydrae during the next 10000 years (-2.00 arcmin in Right Ascension and -1.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 09h 26m 38s

Declination -05° 13’ 30”

Hour Angle 16h 38m 44s

Sideral Time 02h 05m 22s

J2000

Right Ascension 09h 25m 23s

Declination -05° 07’ 02”

Galactic Coordinates

Galactic Longitude 237.84°

Galactic Latitude 30.73°

Finder Chart

Simplified finder chart for 28 Hydrae.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.59

Class Giant

Absolute magnitude -0.99

Spectral Type K5III

Color Index (B-V) 1.52

Temperature 3764K

The red dot in the diagram below shows where 28 Hydrae is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 28 Hydrae. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

28 Hydrae is distant 674.95 light years from the Sun and it is moving far from the Sun at the speed of 5 kilometers per second.

Distance (parsec) 207.04

Distance (light year) 674.95

Radial Speed 5 km/s

Proper Motion RA -0.012 arcsec/y

Proper Motion Dec -0.008"/y

Alternative Designations

Flamsteed designation 28 Hydrae

Henry Draper Catalogue HD81420

SAO Catalogue SAO136832

Hipparcos Catalogue HIP46221

Durchmusterung Catalogue BD-04 2616

FK5 Catalogue 1245

Visibility from Your Location

Today's 28 Hydrae rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 95.2° RISE 5:07

Max altitude: 33.3° TRANSIT 10:39

Azimuth: 264.8° SET 16:11

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

Location

Other stars in Hydra