Universe Guide

ZZ Geminorum (Carbon Star) Facts

ZZ Geminorum Facts

ZZ Geminorum's Alternative Names

The Id of the star in the Henry Draper catalogue is HD44653.

ZZ Geminorum has alternative name(s) :- ZZ Gem.

More details on objects' alternative names can be found at Star Names .

Location of ZZ Geminorum

The location of the Carbon star in the night sky is determined by the Right Ascension (R.A.) and Declination (Dec.), these are equivalent to the Longitude and Latitude on the Earth. The Right Ascension is how far expressed in time (hh:mm:ss) the star is along the celestial equator. If the R.A. is positive then its eastwards. The Declination is how far north or south the object is compared to the celestial equator and is expressed in degrees. For ZZ Geminorum, the location is 06h 24m 01.2426 and +25° 01` 52.922 .

Radial Velocity and Proper Motion of ZZ Geminorum

Proper Motion

All stars like planets orbit round a central spot, in the case of planets, its the central star such as the Sun. In the case of a star, its the galactic centre. The constellations that we see today will be different than they were 50,000 years ago or 50,000 years from now. Proper Motion details the movements of these stars and are measured in milliarcseconds. The star is moving -1.54 milliarcseconds/year towards the north and 1.28 milliarcseconds/year east if we saw them in the horizon.

Radial Velocity

The Radial Velocity, that is the speed at which the star is moving away/towards the Sun is 76.00 km/s . When the value is negative then the star and the Sun are getting closer to one another, likewise, a positive number means that two stars are moving away. Its nothing to fear as the stars are so far apart, they won't collide in our life-time, if ever.

Physical Properties (Colour) of ZZ Geminorum

ZZ Geminorum Colour and Temperature

ZZ Geminorum has a spectral type of C5,3e. This means the star is a carbon red Carbon star.

Distance to ZZ Geminorum

The Parallax of the star is given as 0.83 which gives a calculated distance to ZZ Geminorum of 3929.68 light years from the Earth or 1204.82 parsecs. It is about 23,101,116,556,492,129.25 miles from Earth.

The star is roughly 248,510,232.22 Astronomical Units from the Earth/Sun give or take a few. An Astronomical Unit is the distance between Earth and the Sun. The number of A.U. is the number of times that the star is from the Earth compared to the Sun.

Time to Travel to ZZ Geminorum

A note about the calculations, when I'm talking about years, I'm talking non-leap years only (365 days).

If you were to drive there at about 120 m.p.h. in a car with an infinity engine so you didn't have to pull over for petrol, it would take you 192,509,304,637,434.41 hours or 21,975,948,017.97 years.

At the time of writing, the fastest probe so far created is the New Horizon probe which is travelling at a speed of 33,000 m.p.h. If the probe was travelling to ZZ Geminorum then it would take 700,033,835,045.22 hours / 79,912,538.25 years to get there. Speed Ref: N.A.S.A.

It would to take a spaceship journey travelling at the speed of light, 3929.68 years to get there. We don't have the technology or spaceship that can carry people over that distance yet.

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Additional ZZ Geminorum Facts and Figures

Visual Facts

Primary / Proper / Traditional NameZZ Geminorum
Alternative NamesZZ Gem, HD 44653
Spectral TypeC5,3e
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star TypeCarbon Star
GalaxyMilky Way
Right Ascension (R.A.)06h 24m 01.2426
Declination (Dec.)+25° 01` 52.922
Distance from Earth0.83 Parallax (milliarcseconds)
 3929.68 Light Years
 1204.82 Parsecs
 248,510,232.22 Astronomical Units
Proper Motion Dec.-1.54 milliarcseconds/year
Proper Motion RA.1.28 milliarcseconds/year
Radial Velocity76.00 km/s

Companions (Multi-Star and Exoplanets) Facts

Exoplanet CountNone/Unaware

Related Stars

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