HR3774

Altitude: 46.4° Azimuth: 337.3° Direction: North-North-West

HR3774 is a main-sequence star in the constellation of Draco.

HR3774 visual magnitude is 6.46. Because of its reltive faintness, HR3774 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 HR3774:

Color of HR3774 ⬤

Magnitude of HR3774 6.46

Class Main-sequence

VISIBILITY RIGHT NOW

HR3774 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 46.4°
Azimuth: 337.3°
Direction: North-North-West

Celestial coordinates and finder chart of HR3774

HR3774 is situated close to the northern celestial pole and, as such, it is visible for most part of the year from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR3774 are provided in the following table:

Right Ascension J2000 09h 36m 06s

Declination J2000 +74° 19’ 04”

Galactic Longitude 137.63°

Galactic Latitude 36.68°

Constellation Draco

The simplified sky map below shows the position of HR3774 in the sky:

Simplified finder chart for HR3774.

Visibility of HR3774 from your location

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

HR3774 is circumpolar and transits at 04:37 UTC (altitude: 67.2°)

Digitized Sky Survey image of HR3774

The image below is a photograph of HR3774 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 HR3774 is -0.016 arcsec per year in Right Ascension and -0.07 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR3774. The red arrow shows the motion of HR3774 during the next 10000 years (-2.67 arcmin in Right Ascension and -11.67 arcmin in declination);

Distance of HR3774 from the Sun and relative movement

HR3774 is distant 446.58 light years from the Sun and it is moving towards the Sun at the speed of 11 kilometers per second.

Distance (parsec) 136.99 pc

Distance (light year) 446.58 ly

Heliocentric radial velocity -11 km/s

Proper Motion RA -0.016 arcsec/year

Proper Motion Dec -0.07 arcsec/year

Spectral properties of HR3774

HR3774 belongs to spectral class B9 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude 0.78

Spectral Type B9V

Color Index (B-V) -0.1

Temperature of HR3774 11573K

The red dot in the diagram below shows where HR3774 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR3774. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3774

Henry Draper Catalogue HD82327

SAO Catalogue SAO6900

Hipparcos Catalogue HIP47119

Durchmusterung Catalogue BD+74 402

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In Evidence

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