Blog page 146




                                               

V4046 Sagittarii

V4046 Sagittarii is a young binary consisting of two K-type main-sequence stars. The two stars are about 271 light-years away from the Earth. The two stars orbit each other every 2.42 days on a circular orbit. V4046 Sagittarii is surrounded by a ...

                                               

V4199 Sagittarii

V4199 Sagittarii is a star in the constellation Sagittarius. It is a slowly pulsating B star that varies between apparent magnitudes 6.22 and 6.28 over a period of 1.23825 days.

                                               

V4381 Sagittarii

V4381 Sagittarii is a variable star in the constellation Sagittarius. A white supergiant of spectral type A2/A3Iab, it is an Alpha Cygni variable that varies between apparent photographic magnitudes 6.57 and 6.62. Its visual apparent magnitude is ...

                                               

VX Sagittarii

VX Sagittarii is a red supergiant or red hypergiant located more than 1.5 kiloparsec away from the Sun in the constellation of Sagittarius. It is a pulsating variable star with an unusually large magnitude range. It is also one of the largest sta ...

                                               

W33A

W33A is a protostar located approximately 12.000 light-years away from Earth, in the constellation Sagittarius. As a star in the early stages of formation, so has attracted the interest of astronomers, who observed that while the protostar is acc ...

                                               

Westerhout 31

As happens with other similar star-forming regions, Westerhout 31s location in the Milky Way obscures it so much due to the interstellar dust located between it and the Solar System that it cannot be studied with optical telescopes and for its ob ...

                                               

WR 102c

WR 102c is a Wolf–Rayet star located in the constellation Sagittarius towards the galactic centre. It is only a few parsecs from the Quintuplet Cluster, within the Sickle Nebula.

                                               

WR 102ea

WR 102ea is a Wolf–Rayet star in the Sagittarius constellation. It is the second most luminous star in the Quintuplet cluster after WR 102hb. With a luminosity of 2.500.000 times solar, it is also one of the most luminous stars known. Despite the ...

                                               

WR 102ka

WR 102ka lies near the Galactic Center and is essentially totally obscured in visible wavelengths. Thus it must be observed in longer wavelength infrared light, which is able to penetrate the dust. WR 102ka was catalogued in 2002 and 2003 by infr ...

                                               

WR 111

WR 111 is a Wolf-Rayet star in the constellation Sagittarius. It is magnitude 7.8 and lies about 5.150 light-years away. It is one of the brightest and most closely studied WR stars.

                                               

X Sagittarii

X Sagittarii is a bright giant Cepheid variable star in the constellation Sagittarius. This variable star changes in apparent magnitude from 4.90 to 4.20 magnitude with a period of 7.01 days. Its change in brightness is accompanied by a change in ...

                                               

Xi1 Sagittarii

Xi 1 Sagittarii is a solitary, blue-white hued star in the zodiac constellation of Sagittarius. It is visible to the naked eye with an apparent visual magnitude of +5.06. Based upon a small annual parallax shift of 1.58 mas as seen from Earth, th ...

                                               

Y Sagittarii

Y Sagittarii is a variable star in the constellation of Sagittarius. It is a Cepheid variable in apparent magnitude +5.77. This star is the third-brightest in this constellation after X Sagittarii and W Sagittarii. The measure of its parallax by ...

                                               

Zeta Sagittarii

Zeta Sagittarii is a triple star system and the third-brightest star in the constellation of Sagittarius. Based upon parallax measurements, it is about 88 ly from the Sun. The three components are designated Zeta Sagittarii A officially named Asc ...

                                               

1 Scorpii

1 Scorpii, or b Scorpii, is a single star in the southern zodiac constellation of Scorpius. It has an apparent magnitude of 4.63, which is bright enough to be faintly visible to the naked eye on a dark night. The star shows an annual parallax shi ...

                                               

2 Scorpii

2 Scorpii is a double star in the southern zodiac constellation of Scorpius. The brighter component has an apparent visual magnitude of 4.69, which is bright enough to be visible to the naked eye, while the fainter star is of magnitude 6.98. The ...

                                               

4 Scorpii

4 Scorpii is a single star in the southern zodiac constellation of Scorpius. With an apparent visual magnitude of +5.6, it is dimly visible to the naked eye under good viewing conditions. The distance to this star can be estimated from its annual ...

                                               

12 Scorpii

12 Scorpii is a probable triple star system in the zodiac constellation of Scorpius, located about 300 light years away from the Sun. It has the Bayer designation c 1 Scorpii ; 12 Scorpii is the Flamsteed designation. This system is faintly visib ...

                                               

13 Scorpii

13 Scorpii, also known by its Bayer designation c 2 Scorpii, is a binary star in the constellation Scorpius. Its apparent magnitude is 4.57, meaning it can be faintly seen with the naked eye. Based on parallax estimates made by the Hipparcos spac ...

                                               

18 Scorpii

18 Scorpii is a solitary star located at a distance of some 45.3 light-years from Earth at the northern edge of the Scorpius constellation. It has an apparent visual magnitude of 5.5, which is bright enough to be seen with the naked eye outside o ...

                                               

22 Scorpii

22 Scorpii is a single star in the southern zodiac constellation of Scorpius. It is faintly visible to the naked eye with an apparent visual magnitude of 4.78. The distance to this star can be estimated from its annual parallax shift of 7.89 ± 0. ...

                                               

25 Scorpii

25 Scorpii is a star in the zodiac constellation of Scorpius, located about 920 light years away from the Sun. Its apparent magnitude is 6.71, so its apparent brightness is at the limit of human eyesight and can only be seen under excellent condi ...

                                               

AH Scorpii

AH Scorpii is a red supergiant variable star located in the constellation Scorpius. It is one of the largest stars known at 1.411 R ☉. AH Sco is a semiregular variable star with a main period of 714 days. The total visual magnitude range is 6.5 - ...

                                               

Antares

Antares, designated α Scorpii, is on average the fifteenth-brightest star in the night sky, and the brightest object in the constellation of Scorpius. Distinctly reddish when viewed with the naked eye, Antares is a slow irregular variable star th ...

                                               

AR Scorpii

AR Scorpii is a binary pulsar that consists of white dwarf and a red dwarf. It is the first "white dwarf-pulsar" to be discovered. The 3.56-hour period in AR Scos light curve caused it to be misclassified as a Delta Scuti variable, but in 2016, t ...

                                               

Beta Scorpii

Beta Scorpii is a multiple star system in the southern zodiac constellation of Scorpius. It bore the traditional proper name of Acrab, though the International Astronomical Union now regards that name as applying only to the β Scorpii Aa component.

                                               

Chi Scorpii

Chi Scorpii, Latinized from χ Scorpii, is a single star in the zodiac constellation of Scorpius. It has an orange hue and can be faintly seen with the naked eye with an apparent visual magnitude of 5.22. Based upon parallax measurements, this sta ...

                                               

Delta Scorpii

Delta Scorpii is a binary star in the constellation of Scorpius. The primary star is named Dschubba.

                                               

Djorgovski 1

Djorgovski 1 is a globular cluster discovered in 1986 by George Djorgovski who was looking for possible obscured globular clusters using the IRAS Point Source Catalog. Studies show that its stars are "metal-poor" - they contain hydrogen and heliu ...

                                               

Epsilon Scorpii

Epsilon Scorpii, formally named Larawag, is a star in the southern zodiac constellation of Scorpius. It has an apparent visual magnitude of +2.3, making it the fifth-brightest member of the constellation. Parallax measurements made during the Hip ...

                                               

Eta Scorpii

Eta Scorpii is a star in the southern zodiac constellation of Scorpius. With an apparent visual magnitude of 3.33, this is one of the brighter members of the Scorpius and is the furthest south of the constellation stars with a Bayer designation. ...

                                               

G Scorpii

G Scorpii, also named Fuyue, is a star in the constellation of Scorpius. It has an apparent magnitude of +3.19. It is approximately 126 light-years from the Sun.

                                               

GCRT J1745−3009

A group of astronomers from Sweet Briar College and the Naval Research Laboratory detected transient emission from two sources in 1998 while studying the Galactic Center. They then began monitoring the region specifically looking for transient so ...

                                               

Gliese 667

Gliese 667 is a triple-star system in the constellation Scorpius lying at a distance of about 6.8 pc from Earth. All three of the stars have masses smaller than the Sun. There is a 12th magnitude star close to the other three, but it is not gravi ...

                                               

Gliese 667 Cb

Gliese 667 Cb is an exoplanet orbiting the star Gliese 667 C, a member of the Gliese 667 triple-star system. It is the most massive planet discovered in the system and is likely a super-Earth or a mini-Neptune. Orbital-stability analysis indicate ...

                                               

Gliese 667 Cc

Gliese 667 Cc is an exoplanet orbiting within the habitable zone of the red dwarf star Gliese 667 C, which is a member of the Gliese 667 triple star system, approximately 23.62 light-years away in the constellation of Scorpius. The exoplanet was ...

                                               

Gliese 682

Gliese 682 or GJ 682 is a red dwarf. It is listed as the 49th-nearest known star to the Sun, being about 16 light years away from the Earth. Even though it is close by, it is dim with a magnitude of 10.95 and thus requires a telescope to be seen. ...

                                               

H Scorpii

H Scorpii is a star in the constellation Scorpius. Its apparent magnitude is 4.18. It was initially given the Bayer designation Beta Normae by Lacaille but later moved from Norma to Scorpius. Located around 343 light-years distant, it shines with ...

                                               

HD 142250

HD 142250 is a star in the constellation Scorpius. It has a visual apparent magnitude of 6.10, being visible to the naked eye only in excellent seeing conditions. From parallax measurements, it is located about 500 light-years away from Earth. Th ...

                                               

HD 143787

HD 143787 is a single star in the southern constellation of Scorpius. It is a fifth magnitude star – apparent visual magnitude of 4.973, and hence is visible to the unaided eye. The distance to HD 143787 can be estimated from its annual parallax ...

                                               

HD 145377 b

HD 145377 b is an extrasolar planet located approximately 180 light-years awayThis planet was discovered on October 26, 2008 by Moutou et al. using the HARPS spectrograph on ESOs 3.6 meter telescope installed at La Silla Observatory in Atacama de ...

                                               

HD 146624

HD 146624 is a single, white-hued star in the southern zodiac constellation of Scorpius. It is faintly visible to the naked eye, having an apparent visual magnitude of 4.80. The distance to HD 146624 can be estimated from its annual parallax shif ...

                                               

HD 151932

HD 151932, also known as WR 78, is a Wolf-Rayet star located in the constellation Scorpius, close to the galactic plane. Its distance is around 1.300 parsecs away from the Earth. Despite being a blue-colored Wolf-Rayet star, it is extremely redde ...

                                               

HD 153950 b

HD 153950 b is an extrasolar planet located approximately 162 light-years awayThis planet was discovered on October 26, 2008 by Moutou et al. using the HARPS spectrograph on ESOs 3.6 meter telescope installed at La Silla Observatory in Atacama de ...

                                               

HD 159868

HD 159868 is a yellow dwarf star approximately 182.5 light-years away in the constellation of Scorpius. The star is thought to be 3.05 times more luminous than the Sun, yet the metallicity is identical to the Sun.

                                               

HD 159868 b

HD 159868 b is an extrasolar planet that orbits HD 159868. It is a jovian planet. The orbit is extremely eccentric at the average distance of 2 AU. The orbital distance ranges from as close as 0.62 AU to as far as 3.38 AU.

                                               

HD 160529

HD 160529 is a Luminous Blue Variable star located in the constellation of Scorpius. With an apparent magnitude of around +6.8 cannot be seen with the naked eye except under very favourable conditions, but its easy to see with binoculars or amate ...

                                               

HD 161840

HD 161840 is a single, blue-white hued star in the southern zodiac constellation of Scorpius. It is faintly visible to the naked eye with an apparent visual magnitude of 4.79. With an annual parallax shift of 6.5 mas it is located roughly 500 lig ...

                                               

HD 162020

HD 162020 b is a brown dwarf with mass 15.0 M J. The mass is minimum since inclination is not known. This planetar orbits very close to the star at a distance of 0.075 AU. Despite of this, it has an eccentric orbit of 27.7%. The distance from the ...

                                               

HIP 79431 b

HIP 79431 b is an extrasolar planet discovered by the W. M. Keck Observatory in 2010. The planet is found in an M type dwarf star catalogued as HIP 79431 and is located within the Scorpius constellation approximately 47 light years away from the ...