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Showing 2015Show all

271 papers · 1 filter

astro-ph.SR2015★ 12 cited

Diagnose Physical Conditions Near the Flare Energy-release Sites from Observations of Solar Microwave Type III Bursts

Baolin Tan, Marian Karlicky, Hana Meszarosova +1

In the physics of solar flares, it is crucial to diagnose the physical conditions near the flare energy-release sites. However, so far it is unclear how do diagnose these physical…

astro-ph.HE2015★ 27 cited

Multi-color optical monitoring of Mrk 501 from 2010 to 2015

Dingrong Xiong, Xiong Zhang, Tingfeng Yi +5

We have monitored the BL Lac object Mrk 501 in optical , and bands from 2010 to 2015. For Mrk 501, the presence of strong host galaxy component can affect the results of…

astro-ph.HE2015★ 51 cited

The Mass of the Black Hole in the X-ray Binary Nova Muscae 1991

Jianfeng Wu, Jerome A. Orosz, Jeffrey E. McClintock +4

The optical counterpart of the black-hole soft X-ray transient Nova Muscae 1991 has brightened by mag since its return to quiescence 23 years ago. We present the f…

astro-ph.HE2015★ 37 cited

The Spin of The Black Hole in the X-ray Binary Nova Muscae 1991

Zihan Chen, Lijun Gou, Jeffrey E. McClintock +5

The bright soft X-ray transient Nova Muscae 1991 was intensively observed during its entire 8-month outburst using the Large Area Counter (LAC) onboard the Ginga satellite. Recentl…

astro-ph.GA2015★ 117 cited

CHIMPS: the CO/CO (J=3-2) Heterodyne Inner Milky Way Plane Survey

A. J. Rigby, T. J. T. Moore, R. Plume +17

We present the CO/CO (J=3-2) Heterodyne Inner Milky Way Plane Survey (CHIMPS) which has been carried out using the Heterodyne Array Receiver Program on the 15 m James…

astro-ph.SR2015★ 22 cited

Numerical experiments on the detailed energy conversion and spectrum studies in a corona current sheet

Lei Ni, Jun Lin, Zhixing Mei +1

In this paper, we study the energy conversion and spectra in a corona current sheet by 2.5-dimensional MHD numerical simulations. Numerical results show that many Petschek-like fin…

astro-ph.HE2015★ 11 cited

Multi-Wavelength Observations of GRB 111228A and Implications for the Fireball and its environment

Li-Ping Xin, Yuan-Zhu Wang, Ting-Ting Lin +10

Observations of very early multi-wavelength afterglows are critical to reveal the properties of the radiating fireball and its environment as well as the central engine of gamma-ra…

astro-ph.EP2015★ 35 cited

The Pan-Pacific Planet Search. IV. Two super-Jupiters in a 3:5 resonance orbiting the giant star HD33844

Robert A. Wittenmyer, John Asher Johnson, R. P. Butler +9

We report the discovery of two giant planets orbiting the K giant HD 33844 based on radial velocity data from three independent campaigns. The planets move on nearly circular orbit…

astro-ph.GA2015★ 41 cited

Herschel Observations of Major Merger Pairs at z=0: Dust Mass and Star Formation

Chen Cao, Cong Kevin Xu, Donovan Domingue +13

We present Herschel PACS SPIRE far-infrared (FIR) and sub-mm imaging observations for a large K-band selected sample of 88 close major-merger pairs of galaxies (H-KPAIRs) in 6…

astro-ph.GA2015★ 34 cited

Planck cold clumps in the Orionis complex: I. Discovery of an extremely young Class 0 protostellar object and a proto-brown dwarf candidate in a bright rimmed clump PGCC G192.32-11.88

Tie Liu, Qizhou Zhang, Kee-Tae Kim +37

We are performing a series of observations with ground-based telescopes toward Planck Galactic cold clumps (PGCCs) in the Orionis complex in order to systematically investigate…

astro-ph.GA2015★ 2 cited

LAMOST 1: A Disrupted Satellite in the Constellation Draco

John J. Vickers, Martin C. Smith, Yonghui Hou +2

Using LAMOST spectroscopic data, we find a strong signal of a comoving group of stars in the constellation of Draco. The group, observed near the apocenter of its orbit, is 2.6 kpc…

astro-ph.GA2015★ 99 cited

Infrared color selection of massive galaxies at z > 3

T. Wang, D. Elbaz, C. Schreiber +29

We introduce a new color-selection technique to identify high-redshift, massive galaxies that are systematically missed by Lyman-break selection. The new selection is based on the…

astro-ph.GA2015★ 2 cited

An Isolated Compact Galaxy Triplet

Shuai Feng, Zheng-Yi Shao, Shi-Yin Shen +5

We report the discovery of an isolated compact galaxy triplet SDSS J084843.45+164417.3, which is first detected by the LAMOST spectral survey and then confirmed by the spectroscopi…

astro-ph.GA2015★ 33 cited

A sample of galaxy pairs identified from the LAMOST spectral survey and the Sloan Digital Sky Survey

Shiyin Shen, M. Argudo-Fernández, Li Chen +23

A small fraction() of SDSS main sample galaxies(MGs) have not been targeted with spectroscopy due to the the fiber collision effect. These galaxies have been compiled into t…

astro-ph.GA2015★ 9 cited

A Direct Linkage Between AGN Outflows in The Narrow-line Regions and The X-ray Emission From The Accretion disks

J. Wang, D. W. Xu, J. Y. Wei

The origin of outflow in narrow-line region (NLR) of active galactic nucleus (AGN) is studied in this paper by focusing on the relationship between the [\ion{O}{3}]5007 line pro…

astro-ph.HE2015★ 33 cited

Relativistic baryonic jets from an ultraluminous supersoft X-ray source

Ji-Feng Liu, Yu Bai, Song Wang +10

The formation of relativistic jets by an accreting compact object is one of the fundamental mysteries of astrophysics. While the theory is poorly understood, observations of relati…

astro-ph.SR2015★ 46 cited

The JCMT Gould Belt Survey: A First Look at Dense Cores in Orion B

H. Kirk, J. Di Francesco, D. Johnstone +54

We present a first look at the SCUBA-2 observations of three sub-regions of the Orion B molecular cloud: LDN 1622, NGC 2023/2024, and NGC 2068/2071, from the JCMT Gould Belt Legacy…

astro-ph.SR2015★ 17 cited

Investigation of intergranular bright points from the New Vacuum Solar Telescope

Kai-Fan Ji, Jian-ping Xiong, Yong-yuan Xiang +4

Six high-resolution TiO-band image sequences from the New Vacuum Solar Telescope (NVST) are used to investigate the properties of intergranular bright points (igBPs). We detect the…

astro-ph.HE2015★ 396 cited

Dense magnetized plasma associated with a fast radio burst

Kiyoshi Masui, Hsiu-Hsien Lin, Jonathan Sievers +15

Fast Radio Bursts are bright, unresolved, non-repeating, broadband, millisecond flashes, found primarily at high Galactic latitudes, with dispersion measures much larger than expec…

astro-ph.SR2015★ 9 cited

The VMC Survey. XVIII. Radial dependence of the low-mass, 0.55--0.82 stellar mass function in the Galactic globular cluster 47 Tucanae

Chaoli Zhang, Chengyuan Li, Richard de Grijs +12

We use near-infrared observations obtained as part of the {\sl Visible and Infrared Survey Telescope for Astronomy} (VISTA) Survey of the Magellanic Clouds (VMC), as well as two co…

astro-ph.EP2015★ 73 cited

Campaign 9 of the Mission: Observational Parameters, Scientific Drivers, and Community Involvement for a Simultaneous Space- and Ground-based Microlensing Survey

Calen B. Henderson, Radosław Poleski, Matthew Penny +118

's Campaign 9 (C9) will conduct a 3.7 deg survey toward the Galactic bulge from 7/April through 1/July of 2016 that will leverage the spatial separation between…

astro-ph.SR2015★ 23 cited

Spitzer Microlensing Program as a Probe for Globular Cluster Planets. Analysis of OGLE-2015-BLG-0448

Radosław Poleski, Wei Zhu, Grant W. Christie +83

The microlensing event OGLE-2015-BLG-0448 was observed by Spitzer and lay within the tidal radius of the globular cluster NGC 6558. The event had moderate magnification and was int…

astro-ph.CO2015★ 86 cited

Constraints on the identity of the dark matter from strong gravitational lenses

Ran Li, Carlos S. Frenk, Shaun Cole +3

The cold dark matter (CDM) cosmological model unambigously predicts that a large number of haloes should survive as subhaloes when they are accreted into a larger halo. The CDM mod…

astro-ph.GA2015★ 38 cited

Evidence for the rapid formation of low mass early-type galaxies in dense environments

Yiqing Liu, Eric W. Peng, John Blakeslee +6

We explore the environmental dependence of star formation timescales in low mass galaxies using the [/Fe] abundance ratio as an evolutionary clock. We present integrated [/Fe…