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Nebulae around symbiotic Miras look very much like genuine planetary nebulae, although they are formed in a slightly different way. We present near infrared photometry of known and suspected symbiotic nebulae obtained with the Deep Near…

天体物理学 · 物理学 2011-05-23 S. Schmeja , S. Kimeswenger

Archival data from the WISE satellite reveals infrared flux variations of tens of per cent around numerous dusty white dwarfs. Data spanning more than seven years reveal more than half of known systems are varying in the 3.4 micron band,…

太阳与恒星天体物理 · 物理学 2019-02-13 Andrew Swan , Jay Farihi , Thomas G. Wilson

We present the optical to mid-infrared SEDs of 11 debris disk candidates from $Spitzer$ SWIRE fields. All these candidates are selected from SWIRE 24$\mu$m sources matched with both the SDSS star catalog and the 2MASS point source catalog.…

太阳与恒星天体物理 · 物理学 2015-06-04 Hong Wu , Chao-Jian Wu , Chen Cao , Sebastian Wolf , Jing-Yao Hu

We present a search for debris discs amongst M-dwarf members of nearby, young (5-150 Myr) moving groups (MGs) using infrared (IR) photometry, primarily from the Wide Infrared Survey Explorer (WISE). A catalogue of 100 MG M-dwarfs that have…

太阳与恒星天体物理 · 物理学 2017-05-31 Alex S. Binks , Robin D. Jeffries

We present results from a systematic infrared (IR) census of R Coronae Borealis (RCB) stars in the Milky Way, using data from the Palomar Gattini IR (PGIR) survey. R Coronae Borealis stars are dusty, erratic variable stars presumably formed…

In this work we describe a large new sample of contact binary stars extracted in a uniform manner from sky patrol data taken by the ROTSE-I telescope. Extensive ROTSE-I light curve data is combined with J, H, and K band near-infrared data…

天体物理学 · 物理学 2008-11-26 S. J. Gettel , M. T. Geske , T. A. McKay

Early-type stars are short lived and scarce in comparison with other types. Based on the recently released catalogs of early type stars from the largest LAMOST spectroscopic survey, the intrinsic colors of the stars with effective…

太阳与恒星天体物理 · 物理学 2020-04-22 Dingshan Deng , Yang Sun , Mingjie Jian , Biwei Jiang , Haibo Yuan

The Sloan Digital Sky Survey (SDSS) and Wide-field Infrared Survey Explorer (WISE) provide information about the surface composition of about 100,000 minor planets. The resulting visible colors and albedos enabled us to group them in…

地球与行星天体物理 · 物理学 2016-06-29 M. Popescu , J. Licandro , D. Morate , J. de Leon , D. A. Nedelcu , R. Rebolo , R. G. McMahon , E. Gonzalez-Solares , M. Irwin

The morphology of the IR emission and the properties of discrete FIR sources in M31 disk are studied using the HiRes maps from IRAS. Very thin and bright FIR arm segments are shown in these maps, which have similar structure as the HI gas…

天体物理学 · 物理学 2009-10-28 Cong Xu , George Helou

We present a set of 6-12 micron ISOPHOT-S spectra of the general interstellar medium of the Milky Way. This part of the spectrum is dominated by a series of strong, wide emission features commonly called the Unidentified Infrared Bands. The…

天体物理学 · 物理学 2009-11-07 J. Kahanpaa , K. Mattila , K. Lehtinen , C. Leinert , D. Lemke

We have conducted a spectral line survey in the 332 - 364 GHz region with the ASTE 10 m telescope toward R CrA IRS7B, a low-mass protostar in the Class 0 or Class 0/I transitional stage. We have also performed some supplementary…

We present an atlas of spectra of O- and B-type stars, obtained with the Short Wavelength Spectrometer (SWS) during the Post-Helium program of the Infrared Space Observatory (ISO). This program is aimed at extending the Morgan & Keenan…

天体物理学 · 物理学 2009-11-07 A. Lenorzer , B. Vandenbussche , P. Morris , A. de Koter , T. R. Geballe , L. B. F. M. Waters , S. Hony , L. Kaper

Infrared excesses around white dwarf stars indicate the presence of various astrophysical objects of interest, including companions and debris disks. In this second paper of a series, we present follow-up observations of infrared excess…

Solar infrared colors provide powerful constraints on the stellar effective temperature scale, but to this purpose they must be measured with both accuracy and precision. We achieve this requirement by using line-depth ratios to derive in a…

太阳与恒星天体物理 · 物理学 2012-11-29 L. Casagrande , I. Ramirez , J. Melendez , M. Asplund

This paper describes the third part of the photometric data from the 9 x 9 deg ASAS camera monitoring the whole southern hemisphere in V-band. Preliminary list of variable stars based on observations obtained since January 2001 is…

天体物理学 · 物理学 2007-05-23 G. Pojmanski , Gracjan Maciejewski

We present a sample of 1317 Infrared-Faint Radio Sources (IFRSs) that, for the first time, are reliably detected in the infrared, generated by cross-correlating the Wide-Field Infrared Survey Explorer (WISE) all-sky survey with major radio…

We discuss spectral energy distributions, photometric redshifts, redshift distributions, luminosity functions, source-counts and the far infrared to optical luminosity ratio for sources in the SWIRE Legacy Survey. The spectral energy…

We present a mid-infrared analysis of 35 quasars with spectroscopic redshifts selected from the Spitzer Wide-area InfraRed Extragalactic Survey (SWIRE). We discuss their optical and mid-infrared (MIR) colors, and show that these quasars…

We present results of the analysis of a sample of 22 stars of spectral types from O7 to B5 and luminosity classes I-V for which Spitzer/IRS spectra are available. The IRS spectra of these stars are examined for signs of excess infrared (IR)…

太阳与恒星天体物理 · 物理学 2018-11-28 R. Siebenmorgen , P. Scicluna , J. Krelowski

In this paper, we present a catalogue of the spectra of bright stars observed during the sky survey using the Far-Ultraviolet Imaging Spectrograph (FIMS), which was designed primarily to observe diffuse emissions. By carefully eliminating…