HR1609

Altitude: 32.2° Azimuth: 227.9° Direction: South-West

HR1609 is a variable and double main-sequence star in the constellation of Orion.

HR1609 visual magnitude is 7.03. Because of its reltive faintness, HR1609 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 HR1609:

Color of HR1609 ⬤

Magnitude of HR1609 7.03

Class Main-sequence

VISIBILITY RIGHT NOW

HR1609 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 32.2°
Azimuth: 227.9°
Direction: South-West

Celestial coordinates and finder chart of HR1609

HR1609 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 HR1609 are provided in the following table:

Right Ascension J2000 05h 00m 32s

Declination J2000 +03° 36’ 55”

Galactic Longitude 196.07°

Galactic Latitude -22.61°

Constellation Orion

The simplified sky map below shows the position of HR1609 in the sky:

Simplified finder chart for HR1609.

Visibility of HR1609 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 HR1609 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: 86.4° RISE 22:53

Max altitude: 42.1° TRANSIT 5:14

Azimuth: 273.6° SET 11:30

Digitized Sky Survey image of HR1609

The image below is a photograph of HR1609 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 HR1609 is 0.025 arcsec per year in Right Ascension and 0.001 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR1609. The red arrow shows the motion of HR1609 during the next 10000 years (4.17 arcmin in Right Ascension and 0.17 arcmin in declination);

Distance of HR1609 from the Sun and relative movement

HR1609 is distant 392.77 light years from the Sun and it is moving far from the Sun at the speed of 31 kilometers per second.

Distance (parsec) 120.48 pc

Distance (light year) 392.77 ly

Heliocentric radial velocity 31 km/s

Proper Motion RA 0.025 arcsec/year

Proper Motion Dec 0.001 arcsec/year

Spectral properties of HR1609

HR1609 belongs to spectral class B9 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude 1.63

Spectral Type B9V

Color Index (B-V)

Temperature of HR1609 10125K

The red dot in the diagram below shows where HR1609 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1609. Attribution: Richard Powell / CC BY-SA

HR1609 star system properties

HR1609 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR1609 double sysyem:

Main star magnitude 7.03

Secondary star magnitude 7.43

Magnitude difference 0.4

Separation 21.3 arcsec

Alternative designations of HR1609

Henry Draper Catalogue HD32039

SAO Catalogue SAO112304

Hipparcos Catalogue HIP23279

Durchmusterung Catalogue BD+03 736

General Catalogue of Variable Stars 1800

Aitken Double Star Catalogue ADS3597

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In Evidence

Other stars in Orion