BL Boötis (abbreviated to BL Boo) is a pulsating star in the constellation Boötes. It is the prototype of a class of anomalous Cepheids which is intermediate...
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larger than the Sun's, on average, 1.5 M☉. BL Boötis type stars are a subtype of RR Lyrae variables. T Boötis was a nova observed in April 1860 at a magnitude...
73 KB (8,387 words) - 15:54, 28 November 2024
W Virginis, Kappa Pavonis and BL Herculis. Anomalous Cepheids include: XZ Ceti (overtone pulsation mode) and BL Boötis. Smith, D. H. (1984). "Eddington's...
38 KB (4,299 words) - 17:36, 10 December 2024
White dwarf Chemically peculiar Am Ap/Bp CEMP HgMn He-weak Barium Lambda Boötis Lead Technetium Be Shell B[e] Helium Extreme Blue straggler Remnants Compact...
164 KB (18,070 words) - 03:05, 14 December 2024
— suddenly brightened in the 17th century WNC4 — Messier Object 40 Zeta Boötis — speckle binary test system Lists of astronomical objects Astronomical...
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White dwarf Chemically peculiar Am Ap/Bp CEMP HgMn He-weak Barium Lambda Boötis Lead Technetium Be Shell B[e] Helium Extreme Blue straggler Remnants Compact...
223 KB (21,869 words) - 14:23, 14 December 2024
planet atmospheres: including those of HD 189733 b and HD 209458 b, Tau Boötis b, HAT-P-11b, XO-1b, WASP-12b, WASP-17b, and WASP-19b. Stellar atmospheres:...
171 KB (20,170 words) - 17:38, 24 November 2024
expansion velocities for the ejecta. These have been classified as type Ic-BL or Ic-bl. Calcium-rich supernovae are a rare type of very fast supernova with...
201 KB (21,949 words) - 05:53, 23 December 2024
White dwarf Chemically peculiar Am Ap/Bp CEMP HgMn He-weak Barium Lambda Boötis Lead Technetium Be Shell B[e] Helium Extreme Blue straggler Remnants Compact...
116 KB (5,346 words) - 03:23, 11 November 2024
White dwarf Chemically peculiar Am Ap/Bp CEMP HgMn He-weak Barium Lambda Boötis Lead Technetium Be Shell B[e] Helium Extreme Blue straggler Remnants Compact...
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a peculiarity; it is a binary with the primary component being a Lambda Boötis star, meaning that it has solar-like amounts of carbon, nitrogen, and oxygen...
119 KB (11,804 words) - 17:42, 6 November 2024
Expressway Gwadar East Bay Expressway Mansehra-Muzaffarabad-Mirpur-Mangla Expressway Peshawar Northern Bypass Provincial Highways AJK BL GB ICT KP PJ SN...
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0038 Leo 11h 00m 04.3s +22° 49′ 59″ M3.0V 10.02 148.1986±0.0253 B M Xi Boötis A$ 22.0109±0.0081 Boötes 14h 51m 23.4s +19° 06′ 02″ G8Ve 4.70# 148.1793±0...
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older population II stars with low masses, including W Virginis variables, BL Herculis variables and RV Tauri variables. The Classical Cepheids are more...
20 KB (2,525 words) - 14:33, 1 October 2024
Archive". exoplanetarchive.ipac.caltech.edu. Retrieved 2024-01-05. "★ Xi Bootis B". Stellar Catalog. Retrieved 2024-01-07. Wood, Brian E.; Linsky, Jeffrey...
174 KB (13,871 words) - 23:53, 29 October 2024
950 QS Virginis A 7,658 Stein 2051 B 7,930 Ross 548 (ZZ Ceti) 8,209 CR Boötis A 8,350 DQ Herculis A 8,420 A slow, bright nova that reached peak brightness...
149 KB (13,182 words) - 14:20, 21 December 2024
11.99s +49° 13′ 42.4″ 36.6 Arcturus (α Boötis) K1.5III −0.05 −0.31 14h 15m 39.67s +19° 10′ 56.7″ 36.7 η Boötis A/B G0IV 2.68 2.41 13h 54m 41.08s +18° 23′ 51...
42 KB (960 words) - 10:19, 22 August 2024