Eridanus


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Eridanus

(ĭrĭd`ənəs), large southern constellationconstellation,
in common usage, group of stars that appear to form a configuration in the sky; properly speaking, a constellation is a definite region of the sky in which the configuration of stars is contained.
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 stretching SW from Orion for about 60°. Because of its long, winding shape it was identified with a river by many ancient civilizations; e.g., the Egyptians called it the Nile and the Babylonians called it the Euphrates. The brightest star in the constellation, AchernarAchernar
, brightest star in the constellation Eridanus; Bayer designation α Eridani; 1992 position R.A. 1h37.4m, Dec. −57°16'. A bluish-white white star with apparent magnitude 0.51, it is one of the 10 brightest stars in the entire sky.
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, marks the southern end of the river. Eridanus reaches its highest point in the evening sky in December.

Eridanus

(e-rid -ă-nŭs) (River) A long straggling constellation in the southern hemisphere extending from Orion toward the southern polar region. Except for the zero-magnitude Achernar (α), the brightest stars are of 2nd and 3rd magnitude. Zaurak (γ) is a red giant of apparent magnitude 2.95 and spectral type M1 IIIb, while Rana (δ) is somewhat hotter, an orange subgiant of apparent magnitude 3.54 and spectral type K0 IV. To the northwest of Zaurak lies Epsilon (Ɛ) Eridani, a star close to the Sun that may be a planetary system in the making (see Epsilon Eridani). The 3rd-magnitude Acamar (θ) is a fine double star, possibly once much brighter than it is now. Abbrev.: Eri; genitive form: Eridani; approx. position: RA 1.5 to 5h, dec 0° to –58°; area: 1138 sq deg.

Eridanus

 

a constellation of the southern hemisphere; its brightest star, Achernar, has a visual stellar magnitude of 0.5. The constellation is most easily viewed in October and November; it is visible in part from all regions of the USSR. (SeeSTELLAR SKY.)

Eridanus

[‚er·ə′dan·əs]
(astronomy)
A southern constellation made up of a long, crooked line of stars beginning near Rigel in the foot of Orion, and winding west and south to the first-magnitude star Achernar. Abbreviated Eri; Erid. Also known as River Po.
References in periodicals archive ?
These efforts garnered her an Orion 25mm Plossl eyepiece courtesy of Eridanus Optics.
In line with the Mediterranean Myth, Eridanus is not only reminiscent of that mythical river which watered the Elysian Fields of the Earthly Paradise, but also of the river which, according to Ovid's Metamorphosis, Phaethon had fallen into after his mythical adventure, in an attempt to drive the chariot of the Sun (Markson 179).
A juzgar por el recorrido descrito, la comitiva debio de embarcarse en el rio Ticino, afluente del Po que fluye cerca de Milan, y descender hacia el sureste hasta el Po, el mitico Eridanus.
The south is dominated by the brilliant display of winter constellations that are in such contrast to the previous incumbents of the meridian, Eridanus and Cetus.
I told them that Orion stands on the banks of the Eridanus River, accompanied by his faithful dogs, Canis Major and Canis Minor, and together they roam the night sky, hunting Lepus, the rabbit, and Taurus, the bull.
61), Engonasis, Lyna (62), Olor, Cepheus, Cassiopeia, Andromeda, Perseus, Auriga (63), Serpentario (64), Saestra (65), Aguila (66), Delphin (67), Pegasus, Deitoton, Pistrix, Eridanus (68), Lepus, Orion, Canis (69), Canicula, Argo (70), Centaurus, Ara, Hydra, Piscis notius, Corona Austra (71) y Circulo lacteo.
Towards the south lies Achernar in the constellation Eridanus.
No obstante, frente su amigo y editor Albert Erskine fantaseaba sobre grandes proyectos que nunca llego a concluir, como fue el caso de El viaje interminable, en cuyo centro estaria colocado Bajo el volcan, y que estaria integrado por la trilogia Oscuro como la tumba donde yace mi amigo, Eridanus y La mordida, asi como por Lunar Caustic y el libro de cuentos de Hear Us o Lord From Heaven Thy Dwelling Place.
The scientists from the University of Minnesota (itself a large void in the US) spotted "nothing" in the region of the constellation Eridanus, near Orion.
They spotted a remarkable drop in the number of galaxies in the region of the constellation Eridanus, south-west of Orion.
The void - in the Eridanus constellation, south-west of Orion - is just six billion trillion miles of nothing.

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