A radial velocity survey of low Galactic latitude structures - II. The Monoceros Ring behind the Canis Major dwarf galaxy
نویسندگان
چکیده
منابع مشابه
A radial velocity survey of low Galactic latitude structures: I. Kinematics of the Canis Major dwarf galaxy
As part of a radial velocity survey of low Galactic latitude structures that we undertook with the 2dF spectrograph on the AAT, we present the radial velocities of more than 1400 Red Giant Branch and Red Clump stars towards the centre of the Canis Major dwarf galaxy. With a mean velocity of 69 ± 12 km s at a Heliocentric distance of 5.5 kpc and 114± 2 km s at 8.5 kpc, these stars present a pecu...
متن کاملA radial velocity survey of low Galactic latitude structures: III. The Monoceros Ring in front of the Carina and Andromeda galaxies
As part of our radial velocity survey of low Galactic latitude structures that surround the Galactic disc, we report the detection of the so called Monoceros Ring in the foreground of the Carina dwarf galaxy at Galactic coordinates (l, b) = (260◦,−22◦) based on VLT/FLAMES observations of the dwarf galaxy. At this location, 20 degrees in longitude greater than previous detections, the Ring has a...
متن کاملThe Canis Major dwarf galaxy as the progenitor of the Monoceros tidal stream
The Sloan Digital Sky Survey has recently discovered a coherent ring of stars at low galactic latitude that is believed to be the tidal stream of a merging dwarf galaxy in the Galactic plane (named the Monoceros tidal stream). The existence and location of the core of its progenitor galaxy is still controversial. The best candidate is the Canis Major dwarf galaxy, a distinct overdensity of red ...
متن کاملThe Globular Cluster System of the Canis Major Dwarf Galaxy
Prompted by the discovery of the accreted Canis Major dwarf galaxy and its associated globular cluster (GC) system (Martin et al.), we investigate the contribution of accreted GCs to the Galactic system. The Canis Major GCs, and those associated with the Sagittarius dwarf galaxy, exhibit a range of galactocentric radii, prograde and retro-grade motions, and horizontal branch morphologies, indic...
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ژورنال
عنوان ژورنال: Monthly Notices of the Royal Astronomical Society: Letters
سال: 2005
ISSN: 1745-3925,1745-3933
DOI: 10.1111/j.1745-3933.2005.00095.x