
Star profile
Wasat
Delta Geminorum · Gemini
What is Wasat
Wasat sits at the geometric centre of Gemini, its name from the Arabic «al-wasaṭ» meaning, quite simply, «the middle». A yellow-white F-class star 60 light-years away, it is a near neighbour close to the Sun in colour and temperature. The ecliptic passes by here: the Moon, the planets, and in 1930 the discovery of Pluto itself, all happened at a tiny angular distance from this otherwise unassuming star.
Where it is and when to see it
Wasat lies in the northern celestial hemisphere. It is visible to the naked eye under a dark sky. Its best month of the year is January, when it culminates around midnight.
- From London it culminates about 60° above the horizon.
- From New York it culminates about 71° above the horizon.
- From Sydney it culminates about 34° above the horizon.
It can be seen from anywhere north of 68° S.
It ranks no. 9 in brightness among the 74 stars of Gemini in our catalogue. To find it, start from Pollux, the brightest: it lies about 8° away (a fist at arm's length covers about 10°).
The light you see today left it about 61 years ago.
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A public signature from a real person. The chosen name is a symbolic denomination within Stelvia, with no official standing or IAU recognition: the sky is not for sale and belongs to no one.
Astronomical data for Wasat
- Constellation
- Gemini
- Apparent magnitude
- 3.50
- Distance
- 60.5 light years
- Coordinates (J2000)
- RA 110.031° · Dec 21.982°
- Catalogue
- HIP 35550 · HD 56986
A symbolic commemorative gift: neither the signature nor the chosen name implies ownership of the star or recognition by the IAU.
Other stars in Gemini
Gemini has 74 stars in Stelvia's catalogue. Here are a few of them.
- PolluxBeta Geminorum1.16
- CastorAlpha Geminorum1.58
- AlhenaGamma Geminorum1.93
- MebsutaEpsilon Geminorum3.06
- PropusEta Geminorum3.31
- AlzirrXi Geminorum3.35
- Kappa Geminorum3.57
- Lambda Geminorum3.58