HR3698

HR3698 is a variable giant star in the constellation of Ursa Major.

HR3698 visual magnitude is 5.47. Because of its reltive faintness, HR3698 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 HR3698:

Color of HR3698 ⬤

Magnitude of HR3698 5.47

Class Giant

VISIBILITY RIGHT NOW HR3698 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 47°.

Celestial coordinates and finder chart of HR3698

HR3698 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR3698 are provided in the following table:

Right Ascension J2000 09h 21m 43s

Declination J2000 +56° 41’ 57”

Galactic Longitude 159.29°

Galactic Latitude 42.77°

Constellation Ursa Major

The simplified sky map below shows the position of HR3698 in the sky:

Simplified finder chart for HR3698.

Visibility of HR3698 from your location

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

HR3698 is circumpolar and transits at 21:21 UTC (altitude: 84.8°)

Digitized Sky Survey image of HR3698

The image below is a photograph of HR3698 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 HR3698 is -0.01 arcsec per year in Right Ascension and -0.008 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR3698. The red arrow shows the motion of HR3698 during the next 10000 years (-1.67 arcmin in Right Ascension and -1.33 arcmin in declination);

Distance of HR3698 from the Sun and relative movement

HR3698 is distant 476.61 light years from the Sun and it is moving far from the Sun at the speed of 21 kilometers per second.

Distance (parsec) 146.20 pc

Distance (light year) 476.61 ly

Heliocentric radial velocity 21 km/s

Proper Motion RA -0.01 arcsec/year

Proper Motion Dec -0.008 arcsec/year

Spectral properties of HR3698

HR3698 belongs to spectral class M4 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -0.35

Spectral Type M4III

Color Index (B-V) 1.61

Temperature of HR3698 3635K

The red dot in the diagram below shows where HR3698 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR3698. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3698

Henry Draper Catalogue HD80390

SAO Catalogue SAO27219

Hipparcos Catalogue HIP45915

Durchmusterung Catalogue BD+57 1214

FK5 Catalogue 2743

General Catalogue of Variable Stars CG UMa

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Other stars in Ursa Major