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相关论文: IRAS 22150+6109 - a young B-type star with a large…

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IRAS F11119+3257 is a quasar-dominated Ultra-Luminous InfraRed Galaxy, with a partially obscured narrow-line seyfert 1 nucleus. In this paper, we present the NIR spectroscopy of F11119+3257, in which we find unusual Paschen emission lines,…

星系天体物理 · 物理学 2019-10-14 Xiang Pan , Hongyan Zhou , Wenjuan Liu , Bo Liu , Tuo Ji , Xiheng Shi , Shaohua Zhang , Peng Jiang , Huiyuan Wang , Lei Hao

We present a 350 micron APEX/SABOCA map of IRAS 05399-0121/SMM 1, which is a dense double-core system in Orion B9. We combined these data with our previous LABOCA 870-micron data. The spatial resolution of the new SABOCA image, ~3400 AU, is…

星系天体物理 · 物理学 2015-06-15 Oskari Miettinen , Stella S. R. Offner

We report interferometric observations of the high-mass star-forming object IRAS 23033+5951. Our observations reveal two massive molecular cloud cores, designated IRAS 23033+5951-MMS1 and IRAS 23033+5951-MMS2. MMS1 has already formed a…

天体物理学 · 物理学 2009-11-13 Michael A. Reid , Brenda C. Matthews

We report the discovery of a young, 0.16" binary, 2M2234+4041AB, found as the result of a Keck laser guide star adaptive optics imaging survey of young field ultracool dwarfs. Spatially resolved near-infrared photometry and spectroscopy…

A multi-wavelength investigation of the star forming complex IRAS 20286+4105, located in the Cygnus-X region, is presented here. Near-infrared K-band data is used to revisit the cluster / stellar group identified in previous studies. The…

太阳与恒星天体物理 · 物理学 2016-11-10 Varsha R , S. R. Das , A. Tej , S. Vig , S. K. Ghosh , D. K. Ojha

Using the 13.7 m telescope of Purple Mountain Observatory (PMO), a survey of J=1-0 lines of CO and its isotopes was carried out towards 98 methanol maser sources in January 2008. Eighty-five sources have infrared counterparts within one…

太阳与恒星天体物理 · 物理学 2015-06-04 Tie Liu , Yue-Fang Wu , Ke Wang

IRAS 21413+5442 and IRAS 21407+5441 are two massive star forming regions of high luminosity, likely associated with each other. Near-infrared photometry on these two IRAS sources was performed at UKIRT using the UFTI under excellent seeing…

天体物理学 · 物理学 2009-11-13 B. G. Anandarao , V. Venkata Raman , S. K. Ghosh , D. K. Ojha , M. S. N. Kumar

The mapping observations of CO $J=2-1$, CO $J=3-2$, $^{13}$CO $J=2-1$ and $^{13}$CO $J=3-2$ lines in the direction of IRAS 22506+5944 have been made. The results show that the cores in the $J=2-1$ transition lines have a similar morphology…

太阳与恒星天体物理 · 物理学 2010-01-29 Jin-Long Xu , Jun-Jie Wang

The physical conditions of the interstellar medium and stellar components in the regions of the southern Galactic star forming complexes associated with IRAS 10049-5657 and IRAS 10031-5632 have been investigated. These regions have been…

天体物理学 · 物理学 2009-11-13 S. Vig , S. K. Ghosh , D. K. Ojha , R. P. Verma

We present observations of the star formation region NGC 7129 taken with the Multiband Imaging Photometer for Spitzer (MIPS). A significant population of sources, likely pre-main sequence members of the young stellar cluster, is revealed…

Rest-frame 0.48-1.1 micron emission line strengths and molecular gas mass (H_2) upper limits for 3 luminous infrared sources - the hyperluminous infrared galaxies IR F09105+4108 (z=0.44), IR F15307+3252 (z=0.93), and the optically-selected…

天体物理学 · 物理学 2009-10-30 A. S. Evans , D. B. Sanders , R. M. Cutri , S. J. E. Radford , J. A. Surace , P. M. Solomon , D. Downes , C. Kramer

The Herbig Ae star HD 139614 is a group-Ib object, which featureless SED indicates disk flaring and a possible pre-transitional evolutionary stage. We present mid- and near-IR interferometric results collected with MIDI, AMBER and PIONIER…

The four-image gravitationally lensed quasar QSO 2237+0305 is microlensed by stars in the lens galaxy. The amplitude of microlensing variability can be used to infer the relative size of the quasar as a function of wavelength; this provides…

宇宙学与河外天体物理 · 物理学 2011-02-11 Eric Agol , Stephanie Gogarten , Varoujan Gorjian , Amy Kimball

We present an analysis of the IRAS 08589-4714 star-forming region. This region harbors candidate young stellar objects identified in the WISE and Herschel images using color index criteria and spectral energy distributions (SEDs). The SEDs…

太阳与恒星天体物理 · 物理学 2016-09-06 H. P. Saldaño , J. Vásquez , M. Gómez , C. E. Cappa , N. U. Duronea , M. Rubio

We report the detection of strong absorption and weak emission features in the 4--27 micron Spitzer-IRS spectrum of the distant ultraluminous infrared galaxy (ULIRG) IRAS F00183--7111 (z=0.327). The absorption features of CO2 and CO gas,…

Two Galactic star forming regions, one in a very early phase of evolution and another evolved one, associated with the IRAS sources 00338+6312 and 03595+5110 (RAFGL 5111) respectively have been studied in detail. These sources have been…

天体物理学 · 物理学 2009-10-31 B. Mookerjea , S. K. Ghosh , A. D. Karnik , T. N. Rengarajan , S. N. Tandon , R. P. Verma

We present Spitzer IRAC and IRS observations of the dark cloud L1287. The mid-infrared (MIR) IRAC images show deeply embedded infrared sources in the vicinity of the FU Orionis objects RNO 1B and RNO 1C suggesting their association with a…

天体物理学 · 物理学 2009-01-19 S. P. Quanz , Th. Henning , J. Bouwman , H. Linz , F. Lahuis

UVES spectra of the very young (~10^7 years) peculiar B-type star HR 6000 were analyzed in the near-UV and visual spectral regions (3050-9460 A) with the aim to extend to other spectral ranges the study made previously in the UV using IUE…

天体物理学 · 物理学 2009-11-13 F. Castelli , S. Hubrig

We present high resolution optical spectroscopic observations of IRAS 09425-6040, a peculiar, extremely red, C-rich AGB star showing prominent O-rich dust features in its ISO infrared spectrum attributed to crystalline silicates. Our…

天体物理学 · 物理学 2009-11-11 D. A. Garcia-Hernandez , C. Abia , A. Manchado , P. Garcia-Lario

The Spitzer-GLIMPSE point source catalog and images have been used to study a sample of 381 massive protostellar candidates. IRAC-Point source photometry was used to analyse colours, magnitudes and spectral indicies of the infrared…

天体物理学 · 物理学 2008-02-15 M. S. N. Kumar , J. M. C. Grave