1 Hydrae

Above the horizon. Rise: 2:41 | Tran: 8:20 | Set: 13:58

Alt: 32.92° Az: 160.25° Direction: South-South-East

1 Hydrae is a main-sequence star of spectral class F3 in the constellation of Hydra.

1 Hydrae visual magnitude is 5.61. Because of its faintness, 1 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 1 Hydrae. The red arrow shows the motion of 1 Hydrae during the next 1000 years (-3.50 arcmin in Right Ascension and -0.40 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 08h 25m 49s

Declination -03° 49’ 57”

Hour Angle 22h 53m 55s

Sideral Time 07h 19m 44s

J2000

Right Ascension 08h 24m 34s

Declination -03° 45’ 03”

Galactic Coordinates

Galactic Longitude 227.5°

Galactic Latitude 18.74°

Finder Chart

Simplified finder chart for 1 Hydrae.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.61

Class Main-sequence

Absolute magnitude 3.44

Spectral Type F3V

Color Index (B-V) 0.46

Temperature 6576K

The red dot in the diagram below shows where 1 Hydrae is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 1 Hydrae. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

1 Hydrae is distant 88.71 light years from the Sun and it is moving far from the Sun at the speed of 72 kilometers per second.

Distance (parsec) 27.21

Distance (light year) 88.71

Radial Speed 72 km/s

Proper Motion RA -0.21 arcsec/y

Proper Motion Dec -0.024"/y

Alternative Designations

Flamsteed designation 1 Hydrae

Henry Draper Catalogue HD70958

SAO Catalogue SAO135877

Hipparcos Catalogue HIP41211

Durchmusterung Catalogue BD-03 2333

Gliese Catalogue Gl 306

Visibility from Your Location

Today's 1 Hydrae rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 93.8° RISE 2:41

Max altitude: 34.7° TRANSIT 8:20

Azimuth: 266.2° SET 13:58

Set Location

Other stars in Hydra