Theta Centauri or θ Centauri, officially named Menkent (/ˈmɛŋkɛnt/), is a single star in the southern constellation of Centaurus, the centaur. With an...
12 KB (1,028 words) - 05:17, 2 August 2024
under intense magnification due to its distance. The northerly star Theta Centauri, officially named Menkent, is an orange giant star of magnitude 2.06...
23 KB (2,825 words) - 19:50, 10 August 2024
system 2.02 1.86 Polaris Triple star system 2.05 2.01 Mirach Star 2.05 Theta Centauri Star 2.06 2.02 Alpheratz Binary star system 2.06 2.04 Saiph Star 2.067...
37 KB (1,546 words) - 21:08, 17 March 2024
Menkent Mankib ul-Qanṭūris the Shoulder of the Centaur منكب قنطورس Theta Centauri Menkib Al-Mankib uth-Thurayyā the Shoulder (of the Pleiades) منكب الثّريّا...
35 KB (572 words) - 04:47, 2 July 2024
30 November 1872 which read Biela touched Earth on 27th. search near Theta Centauri, a message so esoteric that it caught the fancy of the newspapers of...
13 KB (1,453 words) - 10:48, 27 May 2024
Michael Robert; et al. (January 2011), "Public Kepler Data on the Bright Star Theta Cygni", Bulletin of the American Astronomical Society, 43: 140.07, Bibcode:2011AAS...
31 KB (1,429 words) - 08:45, 22 August 2024
3.69 × 3.43 1.91 ± 0.02 2.28 (2.25–2.31) The nearest F-type giant. Theta Centauri (Menkent) 58.8±0.2 K0 III 10.6 1.27 2.06 Eta Serpentis 60.5±0.2 K0III-IV...
44 KB (3,634 words) - 22:14, 16 July 2024
objects), and with the first-magnitude stars Alpha Centauri (the closest star to the Sun) and Beta Centauri pointing at the cross, distinguishing the cross...
29 KB (3,204 words) - 04:10, 12 July 2024
angle of one arcsecond (1/3600 of a degree). The nearest star, Proxima Centauri, is about 1.3 parsecs (4.2 light-years) from the Sun: from that distance...
28 KB (3,278 words) - 16:41, 1 September 2024
Alpha Centauri system (AB) and Proxima Centauri (thus α Cen C): Actually a three-star system Alpha1 and Alpha2 Capricorni Theta Muscae and Theta Muscae...
17 KB (1,946 words) - 19:53, 4 August 2024
Observatory, stating that "Biela touched Earth on 27th: search near Theta Centauri". Pogson began searching for the comet at around 4 a.m. local time on...
6 KB (753 words) - 20:13, 5 April 2018
the brightest star in the constellation of Centaurus is known as Alpha Centauri. For historical reasons, the Greek designations of some constellations...
105 KB (8,220 words) - 23:59, 2 September 2024
}\right\}&\left\{\Gamma _{\theta t}^{\theta },\Gamma _{\theta r}^{\theta },\Gamma _{\theta \theta }^{\theta },\Gamma _{\theta \phi }^{\theta }\right\}&\left\{\Gamma...
35 KB (4,439 words) - 00:58, 26 August 2024
Solar System (the only stars closer are the Alpha Centauri binary star system and Proxima Centauri), lies in Ophiuchus. It is located to the left of β...
49 KB (4,395 words) - 21:18, 23 July 2024
{v}}_{r}} ) versus azimuthal velocity ( v θ {\displaystyle {\boldsymbol {v}}_{\theta }} ) of stars (See spherical coordinate system), using data from the Gaia...
11 KB (1,005 words) - 22:05, 17 July 2024
± 10 2 B6 V + B8 V 3.9 to 4.4 SZ Piscium 306 ± 5 1 K1IV + F8V 7.18 Eta Centauri 306 ± 6 1 B1.5 Vne +2.35 Rho Persei (Gorgonea Tertia) 308 ± 7 1 M4 II +1...
5 KB (265 words) - 17:04, 2 September 2024
bright deep-sky objects visible in the Southern Hemisphere, such as Omega Centauri, Centaurus A, the Jewel Box, and 47 Tucanae. Moore compiled a list of 109...
33 KB (740 words) - 00:17, 23 August 2024
depending upon the quality of its asset portfolio. Subsequent SIVs, such as Centauri and Dorada, raised the leverage to around 20 times. Typically banks are...
29 KB (4,035 words) - 18:49, 26 August 2023
apparent magnitude are, from brightest to dimmest, Sirius, Canopus, Alpha Centauri, Arcturus, Vega, Capella, Rigel, Procyon, Achernar, and Betelgeuse In modern...
23 KB (2,317 words) - 19:07, 21 July 2024
are used, such as for A Centauri (A Cen), D Centauri (D Cen), G Scorpii (G Sco), P Cygni (P Cyg), b Sagittarii (b Sgr), d Centauri (d Cen) and s Carinae...
50 KB (6,481 words) - 17:19, 5 April 2024
radius. In radians, it is θ 1 = 4 G M c 2 D L S D S D L , {\displaystyle \theta _{1}={\sqrt {{\frac {4GM}{c^{2}}}\;{\frac {D_{LS}}{D_{S}D_{L}}}}},} where...
20 KB (2,393 words) - 19:24, 16 July 2024
Centauri system, the ISV Venture Star, uses solar sails as a means of propulsion to accelerate the vehicle away from the Earth towards Alpha Centauri...
96 KB (11,377 words) - 16:23, 6 September 2024
Tauri) 450 ± 8 1 B8Vne 4.77 - 5.50 Part of Pleiades Cluster (M45). V1400 Centauri (1SWASP J140747.93−394542.6/J1407) 450.8 ± 0.9 1 K5 IVe Li 12.2–15.6 Has...
5 KB (172 words) - 06:47, 7 September 2024
ds^{2}=-c^{2}dt^{2}+R(t)^{2}\left({\frac {dr^{2}}{1-kr^{2}}}+r^{2}d\theta ^{2}+r^{2}\sin ^{2}\theta \,d\phi ^{2}\right)} where (r, θ, φ) correspond to a spherical...
158 KB (16,435 words) - 06:47, 5 September 2024
Aldhanab). Confusingly, Alnair was also given as the proper name for Zeta Centauri in an astronomical ephemerides in the middle of the 20th century. In 2016...
19 KB (1,555 words) - 07:19, 21 August 2024
to Earth. HD 23753 420 ± 10 1 B9 Vn 5.44 Part of Pleiades Cluster (M45). Theta Antliae 430 1 A8 Vm + G7 III 4.79 Celaeno (16 Tauri) 430 1 B7IV +5.448 Part...
6 KB (133 words) - 06:48, 7 September 2024
Nebula, Hyades, Pleiades and the Alpha Persei Cluster (with Eta Carinae, Theta Tauri, Alcyone and Mirfak as the brightest stars of the latter four). Absolute...
16 KB (817 words) - 20:44, 27 March 2024
Australe, Norma and Lupus, Circinus lies adjacent to the Alpha and Beta Centauri stars. As it is at declination −50° to −70°, the whole constellation is...
31 KB (3,344 words) - 16:59, 17 July 2024
and the fifth-brightest star in all, surpassed only by Arcturus, Alpha Centauri, Canopus, and Sirius. Vega was the pole star in the year 12,000 BCE, and...
68 KB (7,573 words) - 23:23, 16 July 2024
Barnard's Star, about 6 light-years away. After the Sun and the Alpha Centauri system, it is the nearest known star. Being a red dwarf with an apparent...
22 KB (2,421 words) - 16:48, 23 August 2024