HR4011

Altitude: 11.3° Azimuth: 174.5° Direction: South

HR4011 is a star in the constellation of Hydra.

HR4011 visual magnitude is 6.25. Because of its reltive faintness, HR4011 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR4011:

Color of HR4011 ⬤

Magnitude of HR4011 6.25

Class

VISIBILITY RIGHT NOW

HR4011 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 11.3°
Azimuth: 174.5°
Direction: South

Celestial coordinates and finder chart of HR4011

HR4011 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR4011 are provided in the following table:

Right Ascension J2000 10h 13m 19s

Declination J2000 -27° 01’ 44”

Galactic Longitude 264.63°

Galactic Latitude 23.84°

Constellation Hydra

The simplified sky map below shows the position of HR4011 in the sky:

Simplified finder chart for HR4011.

Visibility of HR4011 from your location

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

Today's HR4011 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 117.0° RISE 15:02

Max altitude: 11.5° TRANSIT 18:21

Azimuth: 243.0° SET 21:41

RIGHT NOW HR4011 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR4011

The image below is a photograph of HR4011 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of HR4011 is -0.056 arcsec per year in Right Ascension and 0.038 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR4011. The red arrow shows the motion of HR4011 during the next 10000 years (-9.33 arcmin in Right Ascension and 6.33 arcmin in declination);

Distance of HR4011 from the Sun and relative movement

HR4011 is distant 408.52 light years from the Sun and it is moving far from the Sun at the speed of 18 kilometers per second.

Distance (parsec) 125.31 pc

Distance (light year) 408.52 ly

Heliocentric radial velocity 18 km/s

Proper Motion RA -0.056 arcsec/year

Proper Motion Dec 0.038 arcsec/year

Spectral properties of HR4011

HR4011 belongs to spectral class A9

Absolute magnitude 0.76

Spectral Type A9

Color Index (B-V) 0.31

Temperature of HR4011 7399K

The red dot in the diagram below shows where HR4011 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4011. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4011

Henry Draper Catalogue HD88699

SAO Catalogue SAO178544

Hipparcos Catalogue HIP50066

Durchmusterung Catalogue CD-26 7752

In Evidence

Other stars in Hydra