48 Cassiopeiae

48 Cassiopeiae is a variable and multiple sub-giant star in the constellation of Cassiopeia.

48 Cassiopeiae visual magnitude is 4.54. Because of its moderate brightness, 48 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 48 Cassiopeiae:

Color of 48 Cassiopeiae ⬤

Magnitude of 48 Cassiopeiae 4.54

Class Sub-giant

VISIBILITY RIGHT NOW 48 Cassiopeiae is above the horizon from Greenwich, United Kingdom [change]. Altitude: 58°.

Celestial coordinates and finder chart of 48 Cassiopeiae

48 Cassiopeiae 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 48 Cassiopeiae are provided in the following table:

Right Ascension J2000 02h 01m 57s

Declination J2000 +70° 54’ 24”

Galactic Longitude 128.69°

Galactic Latitude 8.83°

Constellation Cassiopeia

The simplified sky map below shows the position of 48 Cassiopeiae in the sky:

Simplified finder chart for 48 Cassiopeiae.

Visibility of 48 Cassiopeiae from your location

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

48 Cassiopeiae is circumpolar and transits at 13:19 UTC (altitude: 70.6°)

Digitized Sky Survey image of 48 Cassiopeiae

The image below is a photograph of 48 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 48 Cassiopeiae is -0.067 arcsec per year in Right Ascension and 0.004 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of 48 Cassiopeiae. The red arrow shows the motion of 48 Cassiopeiae during the next 10000 years (-11.17 arcmin in Right Ascension and 0.67 arcmin in declination);

Distance of 48 Cassiopeiae from the Sun and relative movement

48 Cassiopeiae is distant 116.80 light years from the Sun and it is moving towards the Sun at the speed of 5 kilometers per second.

Distance (parsec) 35.83 pc

Distance (light year) 116.80 ly

Heliocentric radial velocity -5 km/s

Proper Motion RA -0.067 arcsec/year

Proper Motion Dec 0.004 arcsec/year

Spectral properties of 48 Cassiopeiae

48 Cassiopeiae belongs to spectral class A3 and has a luminosity class of IV corresponding to a sub-giant star.

Absolute magnitude 1.77

Spectral Type A3IV

Color Index (B-V) 0.16

Temperature of 48 Cassiopeiae 8486K

The red dot in the diagram below shows where 48 Cassiopeiae is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 48 Cassiopeiae. Attribution: Richard Powell / CC BY-SA

48 Cassiopeiae star system properties

48 Cassiopeiae 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 48 Cassiopeiae double sysyem:

Main star magnitude 4.54

Secondary star magnitude 6.24

Magnitude difference 1.7

Separation 0.5 arcsec

Alternative designations of 48 Cassiopeiae

Flamsteed designation 48 Cassiopeiae

Henry Draper Catalogue HD12111

SAO Catalogue SAO4554

Hipparcos Catalogue HIP9480

Durchmusterung Catalogue BD+70 153

General Catalogue of Variable Stars 694

Aitken Double Star Catalogue ADS1598

How to support us

In Evidence

Other stars in Cassiopeia