HR1191

Altitude: -3.6° Azimuth: 9.1° Direction: North

HR1191 is a double main-sequence star in the constellation of Perseus.

HR1191 visual magnitude is 5.77. Because of its reltive faintness, HR1191 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 HR1191:

Color of HR1191 ⬤

Magnitude of HR1191 5.77

Class Main-sequence

VISIBILITY RIGHT NOW

HR1191 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -3.6°
Azimuth: 9.1°
Direction: North

Celestial coordinates and finder chart of HR1191

HR1191 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 HR1191 are provided in the following table:

Right Ascension J2000 03h 51m 53s

Declination J2000 +34° 21’ 33”

Galactic Longitude 160.23°

Galactic Latitude -15.14°

Constellation Perseus

The simplified sky map below shows the position of HR1191 in the sky:

Simplified finder chart for HR1191.

Visibility of HR1191 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 HR1191 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: 55.6° RISE 1:59

Max altitude: 72.9° TRANSIT 11:53

Azimuth: 304.4° SET 21:47

RIGHT NOW HR1191 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR1191

The image below is a photograph of HR1191 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 HR1191 is 0.002 arcsec per year in Right Ascension and -0.007 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

DSS2 image of HR1191. The red arrow shows the motion of HR1191 during the next 100000 years (3.33 arcmin in Right Ascension and -11.67 arcmin in declination);

Distance of HR1191 from the Sun and relative movement

HR1191 is distant 1,034.92 light years from the Sun and it is moving far from the Sun at the speed of 18 kilometers per second.

Distance (parsec) 317.46 pc

Distance (light year) 1,034.92 ly

Heliocentric radial velocity 18 km/s

Proper Motion RA 0.002 arcsec/year

Proper Motion Dec -0.007 arcsec/year

Spectral properties of HR1191

HR1191 belongs to spectral class B1 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude -1.74

Spectral Type B1V

Color Index (B-V) 0

Temperature of HR1191 10125K

The red dot in the diagram below shows where HR1191 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1191. Attribution: Richard Powell / CC BY-SA

HR1191 star system properties

HR1191 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 HR1191 double sysyem:

Main star magnitude 5.77

Secondary star magnitude 13.27

Magnitude difference 7.5

Separation 15.1 arcsec

Alternative designations of HR1191

Henry Draper Catalogue HD24131

SAO Catalogue SAO56761

Hipparcos Catalogue HIP18081

Durchmusterung Catalogue BD+33 728

In Evidence

Other stars in Perseus