Топ-100 ★ Free online encyclopedia. Did you know? page 304

★ Free online encyclopedia. Did you know? page 304




                                               

Omicron Draconis

Omicron Draconis is a giant star in the constellation Draco located 322.93 light years from the Earth. It has a radius of 30 solar radii, and a luminosity of 269 suns. Its path in the night sky is circumpolar above the ecliptic, meaning the star ...

                                               

Pi Draconis

Pi Draconis, Latinized from π Draconis, is a solitary star in the northern circumpolar constellation of Draco. It is visible to the naked eye with an apparent visual magnitude of 4.59. Based upon an annual parallax shift of 14.25 mas as measured ...

                                               

Psi1 Draconis

Psi¹ Draconis, also designated 31 Draconis, is a triple star system in the northern constellation of Draco. The system is fairly close, and is located about 75 light-years from the Sun, based on its parallax. Psi1 of Draconis was considered a dou ...

                                               

Psi2 Draconis

Psi 2 Draconis is a solitary giant star in the northern circumpolar constellation of Draco, also designated 34 Draconis. It lies about a degree east of the brighter Psi 1 Draconis. 2 psi Draconis has apparent magnitude 5.45. and is located about ...

                                               

Rho Draconis

Rho Draconis is a solitary star in the northern circumpolar constellation of Draco. It is faintly visible to the naked eye with an apparent visual magnitude is 4.52. Based upon an annual parallax shift of 7.61 mas as measured from Earth, it is lo ...

                                               

Sigma Draconis

Sigma Draconis, also named Alsafi, is a 4.7-magnitude star located at a distance of 18.8 light-years from the Sun in the constellation of Draco.

                                               

Theta Draconis

Theta Draconis is a fourth-magnitude star in the northern circumpolar constellation of Draco. Parallax measurements place it at an estimated distance of 68.6 light-years from Earth.

                                               

TrES-2b

TrES-2b is an extrasolar planet orbiting the star GSC 03549-02811 located 750 light years away from the Solar System. The planet has been identified in 2011 as the darkest known exoplanet, reflecting less than 1% of any light that hits it. The pl ...

                                               

Upsilon Draconis

Upsilon Draconis is a binary star system in the northern circumpolar constellation of Draco. It is faintly visible to the naked eye with an apparent visual magnitude of 4.83. Based upon an annual parallax shift of 9.48 mas as measured from Earth, ...

                                               

WISEPA J184124.74+700038.0

WISEPA J184124.74+700038.0 is a binary system of brown dwarfs of spectral classes T5 + T5, located in constellation Draco at approximately 131 light-years from Earth. It is notable for being one of the first known binary brown dwarf systems.

                                               

Xi Draconis

Xi Draconis is a double or binary star in the northern circumpolar constellation of Draco. It has an apparent visual magnitude of 3.75. Based upon parallax measurements, it is located at a distance of 112.5 light-years from the Sun. At this dista ...

                                               

Zeta Draconis

Zeta Draconis is a binary star in the northern circumpolar constellation of Draco. With an apparent visual magnitude of +3.17, it is the fifth-brightest member of this generally faint constellation. Its distance from the Sun has been measured usi ...

                                               

2 Equulei

2 Equulei is a double star system in the constellation of Equuleus. The main component is a pair of 2 equ F-type main sequence star. As of 2015, the secondary had an angular separation of 2.90 seconds of arc along the position angle of 213° from ...

                                               

3 Equulei

3 Equulei is a single star located in the small northern constellation of Equuleus. It is faintly visible to the naked eye at an apparent visual magnitude of 5.6. Based upon an annual parallax shift of 4.24 mas, 3 Equulei is roughly 770 light-yea ...

                                               

4 Equulei

4 Equulei is a binary star system in the constellation of Equuleus, located about 3° to the east of Alpha Equulei. With an apparent visual magnitude of 5.94, it is just barely visible to the naked eye under good seeing conditions. The system show ...

                                               

6 Equulei

6 Equulei is a probable astrometric binary star system in the northern constellation of Equuleus, located 380 light years from the Sun. It is barely visible to the naked eye as a dim, white-hued star with an apparent visual magnitude of 6.07. The ...

                                               

9 Equulei

9 Equulei is an M-type star in the constellation Equuleus. It is an asymptotic giant branch star, a star that has exhausted its core helium and is now fusing both hydrogen and helium in shells outside the core. It is also a suspected variable sta ...

                                               

Alpha Equulei

Alpha Equulei, officially named Kitalpha, is a star in the constellation of Equuleus. It is a high proper motion star only 190 light years away.

                                               

Beta Equulei

Beta Equulei, Latinized from β Equulei, is the Bayer designation for a solitary star in the northern constellation of Equuleus. It is faintly visible to the naked eye with an apparent visual magnitude of 5.15. The annual parallax shift is 24.55 m ...

                                               

Delta Equulei

Delta Equulei, Latinized from δ Equulei, is the second brightest star in the constellation Equuleus. Delta Equulei is a binary star system about 60 light years away, with components of class G0 and F5. Their combined magnitude is 4.47, and their ...

                                               

Epsilon Equulei

Epsilon Equulei, Latinized from ε Equulei, is a star system of apparent magnitude +5.23 in the constellation of Equuleus. It is located 180 light years away from the Solar System, based on its parallax.

                                               

Gamma Equulei

Gamma Equulei, Latinized from γ Equulei, is a double star in the northern constellation of Equuleus. It is located at a distance of around 118 light-years from Earth and has a slightly variable apparent visual magnitude around 4.7.

                                               

HD 199942

HD 199942 is an A-type main sequence star in the constellation of Equuleus. At 235.2 light years away, this star shines dimly at an apparent magnitude of 5.98.

                                               

HD 200964

HD 200964 is a 7th magnitude star located approximately 237 light-years away in the constellation of Equuleus. It is a K-type subgiant with 44% more mass than the Sun, but cooler. At the age of 3 billion years, it indicates that it is an evolved ...

                                               

HD 202951

HD 202951 is a probable binary star system located in the northern constellation of Equuleus. It is near the lower limit of visibility to the naked eye, having an apparent visual magnitude of 5.97. The distance to this system can be estimated fro ...

                                               

U Equulei

U Equulei is a variable star in the Equuleus constellation with an apparent magnitude of +14.50 in the B band. It lies at an estimated distance of 5.000 light-years from the Solar System.

                                               

15 Eridani

15 Eridani is a binary star system in the equatorial constellation of Eridanus. It is visible to the naked eye as a faint, orange-hued star with an apparent visual magnitude of 4.875. Based upon parallax measurements, the system is located around ...

                                               

17 Eridani

17 Eridani is a single star in the equatorial constellation of Eridanus. It has the Bayer designation v Eridani, while 17 Eridani is the Flamsteed designation. This object is visible to the naked eye as a faint, white-hued star with an apparent v ...

                                               

39 Eridani

39 Eridani is a wide binary star system in the equatorial constellation of Eridanus. It is visible to the naked eye as a faint, orange-hued star with a combined apparent visual magnitude of 4.87. As of 2015, the components had an angular separati ...

                                               

40 Eridani

40 Eridani, also designated Omicron² Eridani, is a triple star system in the constellation of Eridanus. Based on parallax measurements taken during the Hipparcos mission, it is less than 17 light-years from the Sun. The main star of the system, d ...

                                               

45 Eridani

45 Eridani is a single star located around 700 light years away from the Sun in the equatorial constellation of Eridanus. It is visible to the naked eye as a faint, orange-hued star with an apparent visual magnitude of 4.91. This body is moving a ...

                                               

51 Eridani

51 Eridani is a star in the constellation Eridanus. It has an apparent magnitude of 5.22, meaning it is just visible to the unaided eye in suburban and rural skies. The primary stars absolute magnitude is 2.87. There is also a binary star named G ...

                                               

53 Eridani

53 Eridani, also designated l Eridani, is a binary star in the constellation of Eridanus. The system has a combined apparent magnitude of 3.87, making it visible to the naked eye even in inner city skies. Parallax estimates made by the Hipparcos ...

                                               

58 Eridani

58 Eridani is a main-sequence star in the constellation Eridanus. It is considered a solar analogue, which means it has similar physical properties to the Sun. The star has a relatively high proper motion across the sky, and it is located about 4 ...

                                               

64 Eridani

64 Eridani is a single, yellow-white hued star in the constellation Eridanus having variable star designation S Eridani. It is faintly visible to the naked eye with an apparent visual magnitude of 4.77. The annual parallax shift is measured at 12 ...

                                               

66 Eridani

66 Eridani is a binary star in the constellation of Eridanus. The combined apparent magnitude of the system is 5.12 on average. Parallax measurements by Hipparcos put the system at some 309 light-years away. It is a spectroscopic binary: the two ...

                                               

82 G. Eridani

82 G. Eridani is a star about 20 light years away from Earth in the constellation Eridanus. It is a main-sequence star with a stellar classification of G6 V, and it hosts a system of at least three planets and a dust disk.

                                               

Beta Eridani

Beta Eridani, formally named Cursa, is the second-brightest star in the constellation of Eridanus, located in the northeast end of this constellation near the shared border with Orion. The apparent visual magnitude of this star is 2.796, so it ca ...

                                               

Chi Eridani

χ Eridani is a binary star system in the constellation Eridanus. It is visible to the naked eye with an apparent visual magnitude of 3.70. The distance to this system, as determined using the parallax method, is around 58 light years. The pair ha ...

                                               

Delta Eridani

Delta Eridani is a 3.54 magnitude star in the constellation of Eridanus. It is sometimes called Rana. Rana means "the frog" in Latin, but derivation of this name is uncertain.

                                               

EF Eridani

EF Eridani is a variable star of the type known as polars, AM Herculis stars, or magnetic cataclysmic variable stars. Historically it has varied between apparent magnitudes 14.5 and 17.3, although since 1995 it has generally remained at the lower ...

                                               

Epsilon Eridani b

Epsilon Eridani b, formally named Ægir, is a proposed and unconfirmed extrasolar planet approximately 10 light-years away orbiting the star Epsilon Eridani, in the constellation of Eridanus.

                                               

ESO 198-13

This galaxy has three ring structures. There is a small bright inner ring located close to the nucleus. This feature has been interpreted as a nuclear ring due to being similar to the nuclear rings in a Barred Galaxy e.g. NGC 1512, NGC 4314. Also ...

                                               

Eta Eridani

Eta Eridani, officially named Azha, is a giant star in the constellation of Eridanus. Based on parallax measurements taken during the Hipparcos mission, it is approximately 137 light-years from the Sun.

                                               

Gamma Eridani

Gamma Eridani, formally named Zaurak, is a variable star in the constellation of Eridanus. It is visible to the naked eye with an apparent visual magnitude that varies around 2.9, and lies at a distance of about 203 light years from the Sun, as d ...

                                               

Gliese 180

Gliese 180, is a red dwarf star, known to have two planets Gliese 180 b and Gliese 180 c. It is located approximately 40 light-years away from Earth. According to the planetary habitability laboratory PHL to Puerto Rico, both worlds in the system ...

                                               

Gliese 1062

Gliese 1062 is a M-type subdwarf star in the constellation Eridanus. The star has a total proper motion of 3.033 "/yr, making it the 25th-fastest-moving star in terms of angular position as seen from Earth, and its radial velocity is -18 km/s. At ...

                                               

HD 10647

HD 10647 is a 6th-magnitude yellow-white dwarf star, 57 light-years away in the constellation of Eridanus. The star is visible to the unaided eye under very dark skies. It is slightly hotter and more luminous than the Sun, and at 1.750 million ye ...

                                               

HD 10647 b

HD 10647 b, also catalogued as q 1 Eridani b, is an extrasolar planet approximately 57 light-years away in the constellation of Eridanus. The planet is a mid-Jovian that orbits 103% farther from the star than Earth to the Sun. It takes about 33 m ...

                                               

HD 17925

HD 17925 is a solitary K-type main sequence star located 34 light-years away, in the constellation Eridanus. It is a likely member of the Local Association of nearby, co-moving stars. The spectrum shows a strong abundance of lithium, indicating t ...

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