Arp 299: A Second Merging System with Two Active Nuclei?
نویسندگان
چکیده
منابع مشابه
Molecular gas in the system of merging galaxies Arp 299 ?
We present new observations of the merging system Arp 299 obtained with the IRAM Plateau de Bure interferometer. We have observed the 12CO(1 − 0), 12CO(2 − 1), 13CO(1 − 0) and HCN(1-0)lines. For the 12CO(1 − 0) line, short spacings were recovered by using 30m data; about half of the total flux is found in weak and extended emission filtered out by the interferometer. The 12CO(1 − 0)map shows th...
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متن کاملTidal Tail in the Luminous Infrared Merger Arp 299
We present VLA H i observations and UH88 ′′ deep optical Band R-band observations of the IR luminous merger Arp 299 (= NGC 3690 + IC 694). These data reveal a gas-rich (M HI = 3.3 × 10 9 M ⊙) optically faint (µ B ∼ >27 mag arcsec −2 , µ R ∼ >26 mag arcsec −2) tidal tail with a length of over 180 kpc. The size of this tidal feature necessitates an old interaction age for the merger (∼ >750 Myr s...
متن کاملA Focused, Hard X-ray Look at Arp 299 with Nustar
We report on simultaneous observations of the local starburst system Arp 299 with NuSTAR and Chandra, which provides the first resolved images of this galaxy up to energies of ∼ 45 keV. Fitting the 3–40 keV spectrum reveals a column density of NH ∼ 4×10 24 cm, characteristic of a Compton-thick AGN, and a 10−30 keV luminosity of 1.2×10 ergs s. The hard X-rays detected by NuSTAR above 10 keV are ...
متن کاملA 180 Kiloparsec Tidal Tail in the Luminous Infrared Merger Arp 299
We present VLA H I observations and University of Hawaii 88 inch (2.2 m) deep optical Band R-band observations of the IR-luminous merger Arp 299 (\NGC 3690 ] IC 694). These data reveal a gas-rich optically faint mag arcsec~2, mag arcsec~2) tidal tail (MH I\ 3.3] 109 M_) (kB Z 27 kR Z 26 with a length of over 180 kpc. The size of this tidal feature necessitates an old interaction age for the mer...
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ژورنال
عنوان ژورنال: The Astrophysical Journal
سال: 2004
ISSN: 0004-637X,1538-4357
DOI: 10.1086/379887