HR3750

Altitude: -20.3° Azimuth: 73.6° Direction: East-North-East

HR3750 is a double main-sequence star in the constellation of Hydra.

HR3750 visual magnitude is 5.38. Because of its reltive faintness, HR3750 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 HR3750:

Color of HR3750 ⬤

Magnitude of HR3750 5.38

Class Main-sequence

VISIBILITY RIGHT NOW

HR3750 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -20.3°
Azimuth: 73.6°
Direction: East-North-East

Celestial coordinates and finder chart of HR3750

HR3750 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 HR3750 are provided in the following table:

Right Ascension J2000 09h 27m 46s

Declination J2000 -06° 04’ 15”

Galactic Longitude 239.15°

Galactic Latitude 30.65°

Constellation Hydra

The simplified sky map below shows the position of HR3750 in the sky:

Simplified finder chart for HR3750.

Visibility of HR3750 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 HR3750 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: 96.1° RISE 23:21

Max altitude: 32.4° TRANSIT 4:52

Azimuth: 263.9° SET 10:20

Digitized Sky Survey image of HR3750

The image below is a photograph of HR3750 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 HR3750 is -0.224 arcsec per year in Right Ascension and -0.074 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

DSS2 image of HR3750. The red arrow shows the motion of HR3750 during the next 1000 years (-3.73 arcmin in Right Ascension and -1.23 arcmin in declination);

Distance of HR3750 from the Sun and relative movement

HR3750 is distant 101.84 light years from the Sun and it is moving far from the Sun at the speed of 54 kilometers per second.

Distance (parsec) 31.24 pc

Distance (light year) 101.84 ly

Heliocentric radial velocity 54 km/s

Proper Motion RA -0.224 arcsec/year

Proper Motion Dec -0.074 arcsec/year

Spectral properties of HR3750

HR3750 belongs to spectral class G2 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude 2.91

Spectral Type G2V

Color Index (B-V) 0.64

Temperature of HR3750 5815K

The red dot in the diagram below shows where HR3750 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR3750. Attribution: Richard Powell / CC BY-SA

HR3750 star system properties

HR3750 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR3750 double sysyem:

Main star magnitude 5.38

Secondary star magnitude 6.18

Magnitude difference 0.8

Separation 0.2 arcsec

Alternative designations of HR3750

Henry Draper Catalogue HD81809

SAO Catalogue SAO136872

Hipparcos Catalogue HIP46404

Durchmusterung Catalogue BD-05 2802

Gliese Catalogue Gl 344 A

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In Evidence

Other stars in Hydra