Penny Kemp, Andrew Robson, Giles Smith, Louis Blom-Cooper, Malcolm Turner, Edward Owen, Martin Narey, Andrew Billen, Tom Rowland, Neil Johnston, Raymond O'Rourke, Adam Sherwin Media Reporter, Tom Dyckhoff, David Aaronovitch, Gary Duncan, Simon Barnes, Peter Lansley, David R. Pudney, Linda Tsang, Jomathan Gornall, Philip Howard, Hilary Finch, David Pannick, David Chater, Rachel Campbell-Johnston, Bronwen Maddox Foreign Editor, Richard Irving, Matthew Hoggard, Will Pavia, Ginny Dougary, Helena Shovelton, Wendy Ide, James Hider, Charles Bushell, Kevin Eason, Geoff Brown, Joe Joseph, Ben Webster Transport Correspondent, Hillary Shaw, David McVay, John Rae, Valerie Elliott, Donald Hutera, Adrian Ryan, Dr Jason Twinn, Anthony E. Bottoms, Ian C. Curd, Jack Malvern, Steve Bird, Ann Treneman Politics Sketch, Dominic Walsh, James Doran Wall Street Correspondent, Dan Sabbagh Media Editor, Debra Craine, Paul Randolph, Tim Reid, Angela Jameson Industrial Correspondent, Dan Sabbagh, Libby Purves, Jonathan Clayton and Edward Owen, Alan Hamilton, Stephen Farrell, James Delingpole, Richard Lloyd Parry, Yin Dewick, Fiona McCann, David Hands, Charles Bremner, Liz Chong, David Charter, Tim Teeman, Richard Susskind, Hugo Rifkind, Derwent May, Caroline Merrell Banking Correspondent, Angela Jameson, Mark Hellowell, Peter Quayle, Russell Kempson, Emma Mahony, Tony Halpin Education Editor, Edward Fennell, Gary Duncan Economics Editor, Richard Giles, Gerard Baker, Oliver Kay, K. L. Samant, James Bone and David Charter, Richard Sarsfield, R. E. Porter, Simon de Bruxelles, Rob Wright, Woolf, Magnus Grimond, Gabriel Rozenberg, Neil Harman Tennis Correspondent, David Powell Athletics Correspondent, Michael Reilly, Raymond Keene, Russell Kempson and Matt Hughes, Christine Buckley, Matthew Pryor, Matt Dickinson, Matt Hughes, Christine Buckley Industrial Editor, Dr Tanya Byron, Kaveh Solhekol, Rosemary Bennett Deputy Political Editor, Peta Bee, Jeremy Page, Caroline Merrell, Richard Dyer, Jon Robins, Richard Ford, Nicola Woolcock and Richard lrving, David Mattin, Charles Wollaston, Gabriel Rozenberg Economics Reporter, Nick Hasell, Ian Loader, Jeremy Vine, David Hands Rugby Correspondent, Siân Morgan, John K. Harding, Julian Muscat, Paul Simons, Nick Szczepanik, Joanna Pitman, Ross Minett, Philip Webster Political Editor, Roger Boyes and Hildur Helga Sigurdardottir, Terence Morris, David Rose and Valerie Elliott, Douglas Hurd, Ian Johns, Dominic Maxwell, David Semmens, Ellie Slott Fisher, Caitlin Moran, Keith Blackmore, Alan Lee, Claudia Hammond, Seán McConville Allen of Abbeydale, Richard Beeston, Ben Webster, Jacqui Goddard, Jason Mellor and David McVay, Sarah McGurk, Martin Waller, Chris Ayres, Michael Horsnell, Carl Mortished International Business Editor, Steuat & Francis, Stephen Cragg, Stephen Dalton, Ben Hoyle, Nicola Woolcock, Frank Furedi, Tomislav Martinovic, Frances Gibb, Owen Slot, Olav Bjortomt, Sam Lister Health Correspondent, Patience Wheatcroft, Christopher Irvine,
... Fayed commits to Fulham Wenger closes in on Vela The Premiership Today Robson may try to come ... Rachel Campbell-Johnston Architecture Cities beyond London will star at next year's British Pavilion in Venice. ...
2005 - Gale Group | TDA
... Content Graphics Metrics Export Citation NASA/ADS The VELA star cloud. I. NGC 2547, TR 10, the GAM ... intermediate-band, large-scale photometric survey of the Vela star cloud are discussed. Attention is given to the ... the region of Gamma Velorum, and the HR stars. The similarity of the Alpha Persei cluster with the clusters in the Vela sheet is shown, and it is found that the Vela sheet, at least over the region surveyed, is nearly perpendicular to the line of sight. The probability is demonstrated that a thin sheet of coeval (2.5 x 10 to the 7th yr) stars, some 425 pc distant and with a similar ...
Tópico(s): Astrophysics and
1980 - IOP Publishing | The Astrophysical Journal
... Content Graphics Metrics Export Citation NASA/ADS The VELA star cloud. II. Early-type stars and long-period cepheids near the VELA Pulsar. Eggen, O. J. Abstract Intermediate band, H-beta and RI observations of some 200 stars and three Cepheids in a small region centered on the Vela pulsar have shown the presence of additional members ... the three Cepheids, plus AH Vel in the Vela sheet and two other southern Cepheids discussed previously, all based on an independent photometric luminosity calibration, do not indicate a need for a major revision of the zero point of the period-luminosity relation. Publication: The Astrophysical Journal Supplement Series Pub Date: November 1982 DOI: 10.1086/190825 Bibcode: 1982ApJS...50..199E Keywords: Cepheid Variables; Early Stars; Pulsars; H Beta Line; Radio Interferometers; Stellar Luminosity; ...
Tópico(s): Astronomical Observations and Instrumentation
1982 - Institute of Physics | The Astrophysical Journal Supplement Series
... B8 - A0 in a 10°×10° region in Vela, and all the CPD stars in a small adjacent region, are discussed. The ... Tauri stars in Taurus. The B8 to A0 stars more distant then the Vela Sheet (550 - 700 pc) show a very large ...
Tópico(s): Stellar, planetary, and galactic studies
1986 - Institute of Physics | The Astronomical Journal
A. C. Danks, Kenneth R. Sembach,
... Several of the highest-velocity components toward the Vela stars have unusually small values of N(Ca II)/ ... of the high-velocity gas absorption toward three stars separated by less than 6' in IC 2395 suggest that some of the high-velocity gas in the Vela region may be accelerated by events other than ...
Tópico(s): Solar and Space Plasma Dynamics
1995 - Institute of Physics | The Astronomical Journal
T. Cantat-Gaudin, Michela Mapelli, L. Balaguer-Núñez, C. Jordi, G. G. Sacco, A. Vallenari,
... Vela OB2. We characterise the distribution of the Vela OB2 stars on a large spatial scale, and study its ... the expansion of the shell happened before the Vela OB2 stars formed, imprinted the expansion in the gas the ...
Tópico(s): Astro and Planetary Science
2018 - EDP Sciences | Astronomy and Astrophysics
Yasushi Nakajima, Kengo Tachihara, Tomoyuki Hanawa, Makoto Nakano,
... main-sequence stars in the Orion, Ophiuchus, Chamaeleon, Vela, and Lupus star-forming regions. We calculate the average surface density of companions, Σ(θ), as a function of angular distance, θ, from ...
Tópico(s): Stellar, planetary, and galactic studies
1998 - IOP Publishing | The Astrophysical Journal
L. Podio, F. Bacciotti, B. Nisini, J. Eislöffel, F. Massi, T. Giannini, T. P. Ray,
... Herbig-Haro jets located in the Orion and Vela star forming regions, through combined optical-infrared spectral diagnostics. ...
Tópico(s): Astro and Planetary Science
2006 - EDP Sciences | Astronomy and Astrophysics
Joaquin Estevez-Delgado, Noel Enrique Rodríguez Maya, José Martínez Peña, Arthur Cleary-Balderas, J. Fuentes,
... radius [Formula: see text] km that matches the star Vela X-1. Also, the interval of the central density [Formula: see text], which is consistent with the expected magnitudes for this type of stars, which shows that the behavior is accurate for ...
Tópico(s): Black Holes and Theoretical Physics
2021 - World Scientific | Modern Physics Letters A
Mehedi Kalam, Sk. Monowar Hossein, Sajahan Molla,
... binaries, namely Cen X-3, SMC X-1, Vela X-1 and Her X-1 studied by [M. L. Rawls et al., Astrophys. J. 730, 25 (2011)]. Interestingly, we see that density of the star does not vanishes at the boundary though it ...
Tópico(s): Stellar, planetary, and galactic studies
2016 - World Scientific | Modern Physics Letters A
H. F. Chau, P. M. McCulloch, Radha Nandkumar, David Pines,
... Vortices; Astrophysics; DENSE MATTER; STARS: PULSARS: INDIVIDUAL NAME: VELA PULSAR; STARS: NEUTRON full text sources ADS | data products SIMBAD ( ...
Tópico(s): Pulsars and Gravitational Waves Research
1993 - IOP Publishing | The Astrophysical Journal
M. A. Alpar, H. F. Chau, K. S. Cheng, David Pines,
... Models; Astrophysics; DENSE MATTER; STARS: PULSARS: INDIVIDUAL NAME: VELA PULSAR; STARS: NEUTRON full text sources ADS | data products SIMBAD ( ...
Tópico(s): Pulsars and Gravitational Waves Research
1993 - IOP Publishing | The Astrophysical Journal
Spencer Beloin, Sophia Han, Andrew W. Steiner, Dany Page,
... show that this result only holds if the Vela neutron star is not included in the data set. If ... the gaps increase significantly to attempt to reproduce Vela's lower temperature given its young age. Further including neutron stars believed to have carbon atmospheres increases the neutron ...
Tópico(s): High-pressure geophysics and materials
2018 - American Physical Society | Physical review. C
M. S. Strickman, J. E. Grove, W. N. Johnson, R. E. Kinzer, R. A. Kroeger, J. D. Kurfess, D. A. Grabelsky, S. M. Matz, W. R. Purcell, M. P. Ulmer, G. V. Jung,
... Keywords: GAMMA RAYS: OBSERVATIONS; STARS: PULSARS: INDIVIDUAL NAME: VELA PULSAR; STARS: PULSARS: INDIVIDUAL NAME: GEMINGA full text sources ADS | ...
Tópico(s): Superconducting Materials and Applications
1996 - IOP Publishing | The Astrophysical Journal
Piyali Bhar, S. K. Maurya, Yashwant Gupta, Tuhina Manna,
... J 1808.4-3658 (SS1), Her X - 1, Vela X-12, PSR J1614-2230 and Cen X - 3. We have reported our results in details for compact star Her X-1 on the ground of physical ...
Tópico(s): Pulsars and Gravitational Waves Research
2016 - Springer Science+Business Media | The European Physical Journal A
R. D. Jeffries, T. Naylor, F. M. Walter, Monica Pozzo, C. R. Devey,
... event to have produced all the stars in Vela OB2. Instead, star formation must have started at several sites within ...
Tópico(s): Astrophysical Phenomena and Observations
2009 - Oxford University Press | Monthly Notices of the Royal Astronomical Society
Davood Momeni, G. Abbas, Saeed Mian Qaisar, M. Zaid Zaz, Ratbay Myrzakulov,
... for mass and radius of the different strange stars, RX J 1856–37, Her X-1, and Vela X-12, have been utilized to find the values of unknown constants in Krori and Barua metrics. The physical parameters like anisotropy, stability, and redshift of the stars have been examined in detail.
Tópico(s): Geophysics and Gravity Measurements
2018 - NRC Research Press | Canadian Journal of Physics
Vladimír Dániel, A. Inneman, L. Pı́na, V. Zadražil, Tomáš Báča, Veronika Stehlíková, Ondřej Nentvich, M. Urban, V. Maršíková, Randall L. McEntaffer, James H. Tutt, Taylor C. Schulz,
... objective (hard LE X-ray telescope) is the Vela neutron star observation. The hard LE telescope consists of two ...
Tópico(s): Gamma-ray bursts and supernovae
2017 - SPIE | Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE
... rays in the strong magnetic field surrounding the star. The present observational limit of pulsed x rays from the Vela pulsar (PSR 0833-45) is not small enough ...
Tópico(s): Astrophysics and Cosmic Phenomena
1986 - American Physical Society | Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields
I. Platais, V. Kozhurina-Platais, F. van Leeuwen,
... using Hipparcos Catalogue data, restricting the sample to stars with parallaxes above 2 mas (d ≲ 500 pc). Two new OB associations have been identified in the Carina-Vela and Cepheus-Cygnus-Lyra-Vulpecula regions. A very ...
Tópico(s): Astro and Planetary Science
1998 - Institute of Physics | The Astronomical Journal
Ksh. Newton Singh, Piyali Bhar, Neeraj Pant,
... us gives satisfactory description of realistic astrophysical compact stars. The model of this paper is compatible with observational data of compact objects like RX J1856-37, Her X-1, Vela X-12 and Cen X-3. A particular ...
Tópico(s): Geophysics and Gravity Measurements
2016 - World Scientific | International Journal of Modern Physics D
P. E. Boynton, J. E. Deeter, F. K. Lamb, G. Zylstra,
... Series Analysis; Astrophysics; PULSARS; STARS: INDIVIDUAL CONSTELLATION NAME: VELA X-1; STARS: NEUTRON; X-RAYS: BINARIES full text sources ADS | ...
Tópico(s): Astro and Planetary Science
1986 - IOP Publishing | The Astrophysical Journal
Yang Chen, Ping Zhou, You‐Hua Chu,
... used to infer the masses of the massive star progenitors of supernova remnants (SNRs) that are discovered to evolve in molecular cavities, while few other means are available for inferring the properties of SNR progenitors. We have used this method to estimate the initial masses of the progenitors of eight SNRs: Kes 69, Kes 75, Kes 78, 3C 396, 3C 397, HC 40, Vela, and RX J1713−3946.
Tópico(s): Astrophysics and
2013 - IOP Publishing | The Astrophysical Journal Letters
Bram Boroson, Richard McCray, T. R. Kallman, F. Nagase,
... 1996ApJ...465..940B Keywords: STARS: INDIVIDUAL CONSTELLATION NAME: VELA X-1; STARS: OSCILLATIONS; X-RAYS: STARS full text sources ADS | ...
Tópico(s): Stellar, planetary, and galactic studies
1996 - IOP Publishing | The Astrophysical Journal
P. E. Boynton, J. E. Deeter, F. K. Lamb, G. Zylstra, S. H. Pravdo, N. E. White, K. S. Wood, D. Yentis,
... study of the 283 s pulsing X-ray star Vela X-1 using pulse timing techniques. It is found that the frequency variations in this source are consistent with the occurrence of a succession of temporally unresolved events which can be characterized mathematically as second-order red noise in the pulse phase. Publication: The Astrophysical Journal Pub Date: August 1984 DOI: 10.1086/184332 Bibcode: 1984ApJ...283L..53B Keywords: Binary Stars; Neutron Stars; Stellar Mass Accretion; Stellar Oscillations; Stellar ...
Tópico(s): Astronomical Observations and Instrumentation
1984 - IOP Publishing | The Astrophysical Journal
George Wallerstein, Kalpana K. Gilroy,
Nine stars from the Vela Remnant and seven stars in the Eta Carinae complex are examined with CCD spectrograms with high signal-to-noise ratios for data regarding the ...
Tópico(s): Astronomical Observations and Instrumentation
1992 - Institute of Physics | The Astronomical Journal
Jonathan Woo, G. W. Clark, Charles S. Day, F. Nagase, Toshiaki Takeshima,
... ECLIPSING; ISM: DUST; EXTINCTION; STARS: PULSARS: INDIVIDUAL NAME: VELA X-1; STARS: PULSARS: INDIVIDUAL NAME: CENTAURUS X-3; X-RAYS: ...
Tópico(s): Geological and Geochemical Analysis
1994 - IOP Publishing | The Astrophysical Journal
... Luminosity; Astrophysics; STARS: ACCRETION; STARS: INDIVIDUAL CONSTELLATION NAME: VELA X-1; STARS: NEUTRON; X-RAYS: BINARIES; X-RAYS: SPECTRA full ...
Tópico(s): SAS software applications and methods
1990 - IOP Publishing | The Astrophysical Journal
Produção Nacional
Revisado por pares
William H. Allen, I. A. Bond, E. Budding, M. J. Conway, A. Daniel, K. B. Fenton, H. Fujii, Z. Fujii, N. Hayashida, K. Hibino, Mitsuhiko Honda, J. E. Humble, S. Kabe, K. Kasahara, T. Kifune, Grant Lythe, A. Masaike, Y. Matsubara, K. Mitsui, Yoshio Miura, M. Mori, Y. Muraki, M. Nagano, T. Nakamura, M. Nishizawa, P. M. Norris, S. Ogio, To. Saito, M. Sakata, H. Sato, Hideyuki Shimizu, M. Spencer, J. R. Storey, T. Tanimori, M. Teshima, S. Torii, A. Wadsworth, Y. Watase, Michael D. Woodhams, Y. Yamamoto, P. C. M. Yock, T. Yuda, The JANZOS Collaboration,
... A; GAMMA RAYS: OBSERVATIONS; STARS: INDIVIDUAL CONSTELLATION NAME: VELA X-1; STARS: INDIVIDUAL CONSTELLATION NAME: CENTAURUS X-3; STARS: INDIVIDUAL ...
Tópico(s): Particle Detector Development and Performance
1993 - IOP Publishing | The Astrophysical Journal
Hirokazu Odaka, D. Khangulyan, Yasuyuki Tanaka, Shin Watanabe, Tadayuki Takahashi, Kazuo Makishima,
... of the wide-band X-ray spectrum of Vela X-1, the brightest wind-fed accreting neutron star, on a short timescale of 2 ks by ...
Tópico(s): Astrophysics and Cosmic Phenomena
2013 - IOP Publishing | The Astrophysical Journal