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public LocationGreenwich, United Kingdom
TimezoneEurope/London
Sunrise: 5:19 
Transit: 12:55 
Sunset: 20:32
sunny   (Daytime)   What's Visible Now?

Ukdah - ι Hydrae (iota Hydrae)

Altitude: -29.0°   Azimuth: 48.7°   Direction: North-East

Ukdah, also designated as ι Hydrae (iota Hydrae), is a variable giant star in the constellation of Hydra.

Ukdah visual magnitude is 3.91. Because of its moderate brightness, Ukdah should be easily visible from locations with dark skies, while it can be barely visible, or not visible at all, from skies affected by light pollution.

The proper motion of Ukdah is 0.049 arcsec per year in Right Ascension and -0.064 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of Ukdah - ι Hydrae (iota Hydrae) star
DSS2 image of Ukdah. The red arrow shows the motion of Ukdah during the next 10000 years (8.17 arcmin in Right Ascension and -10.67 arcmin in declination);

Key facts about Ukdah

3.91
Giant

Ukdah - ι Hydrae (iota Hydrae) is below the horizon from Greenwich, United Kingdom.

Altitude: -29.0°
Azimuth: 48.7°
Direction: North-East

Celestial coordinates and finder chart of Ukdah

Ukdah is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of Ukdah are provided in the following table:

09h 39m 51s
-01° 08’ 34”
236.49°
35.98°
Hydra

The simplified sky map below shows the position of Ukdah in the sky:

Finder chart Ukdah - ι Hydrae (iota Hydrae) star
Simplified finder chart for Ukdah - ι Hydrae (iota Hydrae).

Visibility of Ukdah from your location

Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's Ukdah - ι Hydrae (iota Hydrae) rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):

Azimuth: 91.1°
Max altitude: 37.4°
Azimuth: 268.9°

Distance of Ukdah from the Sun and relative movement

Ukdah is distant 275.57 light years from the Sun and it is moving far from the Sun at the speed of 23 kilometers per second.

84.53 pc
275.57 ly
23 km/s
0.049 arcsec/year
-0.064 arcsec/year

Spectral properties of Ukdah

Ukdah belongs to spectral class K2 and has a luminosity class of III corresponding to a giant star.

-0.73
K2III
4086K

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

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

Alternative designations of Ukdah

Ukdah
ι Hydrae
(iota Hydrae)
SAO137035
SAO137035