Sentences with phrase «dwarf companions»

As customary, it'll feature dozens of playable characters from the movies, like Biblo Baggins, Gandalf the Grey, and the dwarf companions, and various locations from the films.

And by the time the credits roll (some 16 minutes» worth), Bilbo Baggins and his dwarf companions — on a quest to reclaim the dwarven kingdom, and its treasure, from the fire - breathing squatter Smaug — are only halfway to their destination (as the dragon flies) and the end of chapter six in the book.

Stars with white dwarf companions are common; some of the brightest stars in the sky have white dwarf companions, like Sirius and Procyon.

Epsilon Indi is an orange - red dwarf star, with two methane brown dwarf companions in orbit around each other (more).

Note: Special thanks to Ken Croswell on studies revising previous estimates of the system's age based on analyses of its brown dwarf companions and to Mike Stevens for notifying us of the discovery of Epsilon Indi bb.

In 2010, a new study (which included better model atmosphere fitting) argued that the system is around six billion years old, even older than estimates of 3.7 to 4.3 billion years derived from a 2009 study based on mass and evolutionary models for the two brown dwarf companions Ba and Bb (Liu et al, 2010; and King et al, 2009), which are much older than an earlier age estimate of between 0.8 and 2.0 billion years based on the star's rotational speed (press release; Scholz et al, 2003; and Lachaume et al, 1999).

The grouping of these galaxies around the Milky Way Galaxy is mimicked in the case of the Andromeda Galaxy, which is also accompanied by several dwarf companions.

The Milky Way, M33, and the Andromeda Galaxy plus about 40 dwarf companions, comprise what is known as the «Local Group.»

We aim at investigat... ▽ More Direct imaging has led to the discovery of several giant planet and brown dwarf companions.

We used NaCo at VLT to explore t... ▽ More In anticipation of the VLT / SPHERE planet imager guaranteed time programs, we have conducted a preparatory survey of 86 stars between 2009 and 2013 in order to identify new faint comoving companions to ultimately carry out a comprehensive analysis of the occurence of giant planets and brown dwarf companions at wide (10 - 2000 AU) orbits around young, solar - type stars.

Finally, we analyze the sensitivity of our data to additional closer - in companions and reject the possibility of other massive brown dwarf companions down to 4 - 5 AU.

Our discoveries include 24 new L dwarf companions and one known L dwarf not previously identified as a companion.

No planetary or brown dwarf companions have been founded as yet (Lagrange et al, 2009).

Discoveries of Sun - like stars with host exoplanets as well as red dwarf companions have been common, and many appear to be old and stable enough for life to have evolved (RAS new releases of April 16 and April 19, 2011; and University of St. Andrews press release).

In all, the team found 17 candidate brown dwarf companions to red dwarf stars, one brown dwarf pair, and one brown dwarf with a planetary companion.

Close encounter Tracing the trajectory of the star and its brown dwarf companion back in time, Mamajek's team found with 98 % confidence that Scholz's star passed within the Solar System's Oort cloud, a reservoir of comets, about 70,000 years ago.

Previous studies show that it takes about 68 days for the pulsar to orbit its white dwarf companion, meaning they share an uncommonly wide orbit.

PSR J1713 +0747, as it is known, has a tiny white dwarf companion star, and the two orbit each other exceptionally predictably.

Astronomers have detected a sub-stellar object that used to be a star, after being consumed by its white dwarf companion.

Between August 24 and September 18, 2006, two teams of astronomers announced the discovery and direct imaging of a spectral type - T, methane brown dwarf companion (T7.5 + / - 0.5) to this star (PSU press release; Luhman et al, 2006; and Mugrauer et al 2006).

© Estate of John Whatmough — larger image (Artwork from Extrasolar Visions, used with permission from Whatmough) Glowing red through gravitational contraction, the candidate brown dwarf companion to Proxima Centauri is depicted with two moons (one eclipsing the flare star) with distant Alpha Centauri A and B at upper right, as imagined by Whatmough.

In 2006, astronomers discovered a very dim («mid-range»), red dwarf companion to HD 189733 A of spectral and luminosity type M V. Observed at a separation of 216 AUs from Star A, the companion star has a clockwise orbit that is nearly perpendicular to the orbital plane of transiting planet b around Star A (HD 189733 b or Ab).

Its red dwarf companion B was first detected through astrometric perturbations of Star A's motion in 1976 by Sarah Lee Lippincott and J.J. Lanning.

Between August 24 and September 18, 2006, two teams of astronomers announced the discovery and direct imaging of a brown dwarf companion to this star (press release; Luhman et al, 2006; and Mugrauer et al 2006 — more below).

We calibrate our formula using 44 wide binaries containing an F, G, K, or early M primary of known metallicity and a mid - to late - M dwarf companion.

Finally, we resolve our new L dwarf companion to HIP 6407 into a tight (0.13 arcsecond, 7.4 AU) L1 + T3 binary, making the system a hierarchical triple.

We present new high - contrast data obtained during the commissioning of the SPHERE instrument at... ▽ More GJ758 B is a brown dwarf companion to a nearby (15.76 pc) solar - type, metal - rich (M / H = +0.2 dex) main - sequence star (G9V) that was discovered with Subaru / HiCIAO in 2009.

The comparison of the two datasets suggests rapid evolution of the inner regions of the disk, potentially driven by the interaction with the close - in M - dwarf companion, around which no polarimetric signal is detected.

12 systems were resolved as new binaries, including the discovery of a new white dwarf companion to the star HD8049.

The star was once suspected of having a spectroscopic companion and later a brown dwarf companion (Bernstein ESA SP402 - 97).

Abstract: GJ758 B is a brown dwarf companion to a nearby (15.76 pc) solar - type, metal - rich (M / H = +0.2 dex) main - sequence star (G9V) that was discovered with Subaru / HiCIAO in 2009.

Thus, US 708 could have originally resided in an ultra compact binary system, transferring helium to a massive white dwarf companion, ultimately triggering a thermonuclear explosion of a type Ia supernova.

Sirius A is substantially larger than Sol, although its white dwarf companion B is smaller than Jupiter (more from ESO).

Abstract: In a search for common proper motion companions using the VISTA Hemisphere Survey and 2MASS catalogs we have identified a very red (J - Ks = 2.47 mag) late - L dwarf companion of a previously unrecognized M dwarf VHS J125601.92 - 125723.9, located at a projected angular separation of 8.06» + / -0.03».

Methane, carbon monoxide, and water molecules were detected in the relatively cool atmosphere of the brown dwarf companion (more).

Abstract: In this paper we present the results of the SPHERE observation of the HD 284149 system, aimed at a more detailed characterisation of both the primary and its brown dwarf companion.

On January 7, 2002, astronomers announced the discovery of a brown dwarf companion to this Sol - type star using direct imaging (see press release and graphics), whose mass and orbit were subsequently refined with 24 years of radial - velocity observations — Crepp et al, 2012, with more details below).

From low - resolution optical and near - IR spectroscopy we classified the primary and the companion as an M7.5 +... ▽ More In a search for common proper motion companions using the VISTA Hemisphere Survey and 2MASS catalogs we have identified a very red (J - Ks = 2.47 mag) late - L dwarf companion of a previously unrecognized M dwarf VHS J125601.92 - 125723.9, located at a projected angular separation of 8.06» + / -0.03».

Like Mira, Gacrux may have a white dwarf companion.

Epsilon Indi ba is so cool that methane has been detected in its atmosphere and so it has been classified as the earliest T - type (T1 V), methane brown dwarf (McCaughrean et al, 2003)-- a «T - dwarf»), like the brown dwarf companion to Gliese 229.

In August 2003, the same team of astronomers as well as another team of astronomers (including Gordon Walker, Suzie Ramsay Howat, Kevin Volk, Robert Blum, David Balam, and Verne Smith) found that the brown dwarf had its own brown dwarf companion designated «bb» (Gemini press release and IAUC 8188).

We observed the target with th... ▽ More We report the discovery of a bright, brown dwarf companion to the star HIP 64892, imaged with VLT / SPHERE during the SHINE exoplanet survey.

The known brown dwarf companion (HD 284149 b) is clearly visible in the IRDIS images.

Moreover, the brown dwarf companion to 15 Sge may eventually prove to have a highly circular orbit that is coplanar with the circumstellar disk so that planets formed in inner orbits around the star.

In August 2003, the same team (as well as another team) of astronomers discovered that the brown dwarf had its own brown dwarf companion (Gemini press release — more below).

This Hubble image also shows white dwarf companion Sirius B, at lower left (more).

Note: Thanks to Andrew James for notifying us of updated mass and orbit information for the brown dwarf companion to this star.

David Aguilar, Harvard - Smithsonian Center for Astrophysics — larger «day» and «night» images At maximum brightness, Mira would light up a hypothetical planetary companion, but at its most dark, the giant star's small, hot white dwarf companion would become visible (more discussion with illustration).

HD 147513 A is a so - called young «Barium dwarf» (s - process element rich but comparatively carbon deficient) star that was probably enriched by an asymptotic branch giant (AGB) star (see Gacrux) but is now a very dim, white dwarf companion, which has an observed separation of around 4,400 AUs — 5.7» at a HIPPARCOS distance estimate of 42.0 ly (Porto de Mello and da Silva, 1997; and Poveda et al, 1993, pp. 74 - 75).

On the other hand, the discovery of a brown dwarf companion in a wide orbit that could perturb dormant comets in an Oort Cloud around Epsilon Indi inwards towards the star's inner planetary regions may periodically shower an Earth - type, inner planet with catastrophic impacts.