ρ Cassiopeiae (rho Cassiopeiae)

ρ Cassiopeiae is a variable star in the constellation of Cassiopeia.

ρ Cassiopeiae visual magnitude is 4.54. Because of its moderate brightness, ρ Cassiopeiae should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about ρ Cassiopeiae:

Color of ρ Cassiopeiae ⬤

Magnitude of ρ Cassiopeiae 4.54

Class

VISIBILITY RIGHT NOW ρ Cassiopeiae (rho Cassiopeiae) is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 74°.

Celestial coordinates and finder chart of ρ Cassiopeiae

ρ Cassiopeiae 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 ρ Cassiopeiae are provided in the following table:

Right Ascension J2000 23h 54m 23s

Declination J2000 +57° 29’ 57”

Galactic Longitude 115.3°

Galactic Latitude -4.52°

Constellation Cassiopeia

The simplified sky map below shows the position of ρ Cassiopeiae in the sky:

Finder chart ρ Cassiopeiae (rho Cassiopeiae) star

Simplified finder chart for ρ Cassiopeiae (rho Cassiopeiae).

Visibility of ρ Cassiopeiae from your location

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

ρ Cassiopeiae (rho Cassiopeiae) is circumpolar and transits at 07:24 UTC (altitude: 84.0°)

Digitized Sky Survey image of ρ Cassiopeiae

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

Image of ρ Cassiopeiae (rho Cassiopeiae) star

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

Distance of ρ Cassiopeiae from the Sun and relative movement

ρ Cassiopeiae is distant 11,642.86 light years from the Sun and it is moving towards the Sun at the speed of 43 kilometers per second.

Distance (parsec) 3,571.43 pc

Distance (light year) 11,642.86 ly

Heliocentric radial velocity -43 km/s

Proper Motion RA -0.002 arcsec/year

Proper Motion Dec -0.002 arcsec/year

Spectral properties of ρ Cassiopeiae

ρ Cassiopeiae belongs to spectral class G2

Absolute magnitude -8.22

Spectral Type G2

Color Index (B-V) 1.22

Temperature of ρ Cassiopeiae 4270K

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

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

Alternative designations of ρ Cassiopeiae

Bayer designation ρ Cassiopeiae
(rho Cassiopeiae)

Flamsteed designation 7 Cassiopeiae

Henry Draper Catalogue HD224014

SAO Catalogue SAO35879

Hipparcos Catalogue HIP117863

Durchmusterung Catalogue BD+56 3111

FK5 Catalogue 899

General Catalogue of Variable Stars Rho Cas

In Evidence

Other stars in Cassiopeia