50 Years of Brown Dwarfs: From Prediction to Discovery to by Viki Joergens (auth.), Viki Joergens (eds.)

By Viki Joergens (auth.), Viki Joergens (eds.)

The years 2012/2013 mark the fiftieth anniversary of the theoretical prediction that Brown Dwarfs, i.e. degenerate gadgets that are simply now not tremendous adequate to maintain strong hydrogen fusion, exist. a few twenty years after their discovery, how Brown Dwarfs shape remains to be one of many major open questions within the concept of celebrity formation.

In this quantity, the pioneers of Brown Dwarf learn overview the heritage of the theoretical prediction and the next discovery of Brown Dwarfs. After an advent, written by means of Viki Joergens, reviewing Shiv Kumar's theoretical prediction of the lifestyles of brown dwarfs, Takenori Nakano experiences his and Hayashi's calculation of the Hydrogen Burning minimal Mass. either predictions occurred within the early Nineteen Sixties. Jill Tarter then writes at the creation of the time period 'Brown Dwarf', ahead of Ben Oppenheimer, Rafael Rebolo and Gibor Basri describe their first discovery of Brown Dwarfs within the Nineties. finally, Michael Cushing and Isabelle Baraffe describe the advance of the sector to the present state-of-the-art.

While the booklet is principally geared toward the Brown Dwarf study neighborhood, the outline of the pioneering interval in a systematic box will allure normal readers attracted to astronomy as well.

Show description

Read or Download 50 Years of Brown Dwarfs: From Prediction to Discovery to Forefront of Research PDF

Similar research books

Advances in Down Syndrome Research

"Advances in Down Syndrome learn” represents up to date study in different components of Down Syndrome (DS). a brand new promising animal version of DS is pronounced and this opens new possibilities to review pathomechanisms and pharmacological techniques because it is greater than tricky to hold out stories in people and the scientific positive aspects are hugely variable.

Progress in Drug Research / Fortschritte der Arzneimittelforschung / Progrès des recherches pharmaceutiques

Quantity 39 of "Progress in Drug examine" comprises 8 studies and some of the indexes which facilitate its use and identify the con­ nection with the former volumes. The articles during this quantity take care of polyamines as tumor markers; the histamine (H3)-receptor and its function as a common regulatory procedure; with cytokines as immunosti­ mulants and immunosuppressants in addition to capability anticancer brokers; with fibrinolysis and scientific use of thrombolytic brokers; and with catechol O-methyltransferase and its inhibitors, that are of strength curiosity within the therapy of Parkinson's ailment.

Additional info for 50 Years of Brown Dwarfs: From Prediction to Discovery to Forefront of Research

Sample text

In the following months, using the images recorded in 1986 by Jameson and Skillen, we measured the proper motion of Teide 1, which also resulted consistent with membership in the Pleiades. Teide 1 was recorded in the 1986 images, although the object was not previously noticed/reported, possibly because it was located at the edge of the detector in a region where the photometry was considered uncertain. However, we found these images extremely useful for astrometry. Based on the photometric, spectroscopic and astrometric data, we arrived to the conclusion that the new object was the coolest- and lowest-luminosity dwarf ever found in the Pleiades.

Astrophys. J. : Lithium in Brown Dwarf candidates: the mass and age of the faintest Pleiades stars. Astrophys. J. : A low-temperature companion to a white dwarf star. : The substellar population of sigma Orionis: a deep wide survey. Astrophys. J. : Pleiades low-mass brown dwarfs: the cluster L dwarf sequence. Astron. Astrophy. : Near-infrared lowresolution spectroscopy of Pleiades L-type brown dwarfs. Astron. Astrophys. : Brown dwarfs and very low-mass stars in the Pleiades cluster: a deep wide-field imaging survey.

This imposes several observational constraints on search techniques. One is that the search should be conducted as redward as possible in the optical band, or even better, at near infrared wavelengths. The technology to do this efficiently did not really come into its own until the 1990s. Red sensitivities of photographic film were not high, and CCDs were only G. edu V. 1007/978-3-319-01162-2 5, © Springer International Publishing Switzerland 2014 51 52 G. Basri introduced in the previous decade.

Download PDF sample

Rated 4.12 of 5 – based on 19 votes