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🌎  Greenwich, United Kingdom [change]

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:

4.54
Sub-giant
48 Cassiopeiae is above the horizon from Greenwich, United Kingdom [change]. Altitude: 53°.

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:

02h 01m 57s
+70° 54’ 24”
128.69°
8.83°
Cassiopeia

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

Finder chart 48 Cassiopeiae star
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 21:30 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.

Image of 48 Cassiopeiae star
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.

35.83 pc
116.80 ly
-5 km/s
-0.067 arcsec/year
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.

1.77
A3IV
8486K

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

HR 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:

4.54
6.24
1.7
0.5 arcsec

Alternative designations of 48 Cassiopeiae

48 Cassiopeiae
SAO4554
SAO4554