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相关论文: Wide-field J- and K-band galaxy counts in the ELAI…

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We have used the Keck 10m telescope to count objects as a function of image size in 2 high galactic latitude fields covering 1.5 arcmin^2 and reaching 50% completeness at K=24 and J=24.5 for stellar sources. Counts extend ~1 mag deeper in K…

天体物理学 · 物理学 2009-10-30 Matthew A. Bershady , James D. Lowenthal , David C. Koo

We present the J- and Ks-band galaxy counts and galaxy colors covering 750 square arcminutes in the deep AKARI North Ecliptic Pole (NEP) field, using the FLoridA Multi-object Imaging Near-ir Grism Observational Spectrometer (FLAMINGOS) on…

We combine deep K-band (Keck) with V- and I-band (NTT) observations of two high-Galactic latitude fields, surveying a total of ~2 sq. arcmin. The K-band galaxy counts continue to rise above K=22, reaching surface densities of few x 10^5 per…

天体物理学 · 物理学 2015-06-24 Leonidas A. Moustakas , Marc Davis , James R. Graham , Joseph Silk , B. A. Peterson , Y. Yoshii

We present near-IR (J and Ks) number counts and colors of galaxies detected in deep VLT-ISAAC images centered on the Chandra Deep Field and Hubble Deep Field-South for a total area of 13.6 arcmin$^2$. The limiting surface brightness…

天体物理学 · 物理学 2009-11-06 P. Saracco , E. Giallongo , S. Cristiani , S. D'Odorico , A. Fontana , A. Iovino , F. Poli , E. Vanzella

We present the results of a wide-field K-selected galaxy survey with complementary optical I- and B-band imaging in six fields with a total coverage of 9.8 square degrees. This survey establishes the bright-end K-band galaxy number counts…

天体物理学 · 物理学 2009-10-28 J. -S. Huang , L. L. Cowie , J. P. Gardner , E. M. Hu , A. Songaila , R. J. Wainscoat

We present new K-band galaxy number counts from K=13 to 20.5 obtained from $K'$-band surveys in the south galactic pole region, which cover 180.8 arcmin$^2$ to a limiting magnitude of K=19, and 2.21 arcmin$^2$ to K=21. These are currently…

天体物理学 · 物理学 2009-10-30 T. Minezaki , Y. Kobayashi , Y. Yoshii , B. A. Peterson

We present bright galaxy number counts measured with linear detectors in the B, V, I, and K bands in two fields covering nearly 10 square degrees. All of our measurements are consistent with passive evolution models, and do not confirm the…

天体物理学 · 物理学 2016-06-08 J. P. Gardner , R. M. Sharples , B. E. Carrasco , C. S. Frenk

We present K'-band galaxy counts in the magnitude range $13 < K' < 20$, obtained from two independent surveys near the South Galactic Pole, covering an area of $\sim 40 arcmin^2$ and $\sim 170 arcmin^2$, including $\sim 200$ and $\sim 1000$…

天体物理学 · 物理学 2009-10-30 P. Saracco , A. Iovino , B. Garilli , D. Maccagni , G. Chincarini

We analyze bright-end (K = 10 -17) galaxy counts from a number of near-infrared galaxy surveys. All studies available as of mid-1997, considered individually or collectively, show that the observed near-infrared galaxy number counts at low…

天体物理学 · 物理学 2007-05-23 L. A. Phillips , Edwin L. Turner

We present a deep, wide-field near-infrared (NIR) survey over five widely separated fields at high Galactic latitude covering a total of ~ 3 deg^2 in J, H, and Ks. The deepest areas of the data (~ 0.25 deg^2) extend to a 5 sigma limiting…

宇宙学与河外天体物理 · 物理学 2014-11-20 R. C. Keenan , L. Trouille , A. J. Barger , L. L. Cowie , W. -H. Wang

We present J and Ks band galaxy counts down to J=24 and Ks=22.5 obtained with the new infrared imager/spectrometer, SOFI, at the ESO New Technology Telescope. The co-addition of short, dithered, images led to a total exposure time of 256…

天体物理学 · 物理学 2016-08-30 P. Saracco , S. D'Odorico , A. Moorwood , A. Buzzoni , J. - G. Cuby , C. Lidman

We present K-band number counts for the faint galaxies in the Calar Alto Deep Imaging Survey (CADIS). We covered 4 CADIS fields, a total area of 0.2deg^2, in the broad band filters B, R and K. We detect about 4000 galaxies in the K-band…

Deep J and Ks band images covering a $5\times5$ arcmin area centered on the NTT Deep Field have been obtained during the Science Verification of SOFI at the NTT. These images were made available via the Web in early June. The preliminary…

天体物理学 · 物理学 2009-10-31 P. Saracco , S. D'Odorico , A. Moorwood , J. G. Cuby

We measured the K-band luminosity function using a complete sample of 4192 morphologically-typed 2MASS galaxies with 7 < K < 11.25 mag spread over 2.12 str. Early-type (T < -0.5) and late-type (T > -0.5) galaxies have similarly shaped…

In this paper we present a new deep, wide-field near-infrared imaging survey. Our J- and K-band observations in four separate fields complement optical BVRI, ultraviolet and spectroscopic observations undertaken as part of the VIMOS-VLT…

We investigate the causes of the different shape of the $K$-band number counts when compared to other bands, analyzing in detail the presence of a change in the slope around $K\sim17.5$. We present a near-infrared imaging survey, conducted…

I present near-infrared J (1.25um), H (1.65um), and K (2.2um) imaging observations of 185 square arcminutes in 21 high galactic latitude fields. These observations reach limiting magnitudes of J ~ 21 mag, H ~ 20 mag and K ~ 18.5 mag. The…

天体物理学 · 物理学 2009-10-31 Paul Martini

(abridged) We present results from two new near-infrared imaging surveys. One covers 47.2 arcmin^2 to K(3\sigma)<20 whilst a second, deeper survey covers a sub-area of 1.8 arcmin^2 to K(3\sigma)<22.75. Over the entire area we have extremely…

天体物理学 · 物理学 2009-10-31 H. J. McCracken , N. Metcalfe , T. Shanks , A. Campos , J. P. Gardner

We discuss near-infrared star counts at the Galactic pole with a view to guiding the NGST and ground-based NIR cameras. Star counts from deep K-band images from the CFHT are presented, and compared with results from the 2MASS survey and…

天体物理学 · 物理学 2009-11-07 J. B. Hutchings , P. B. Stetson , A. Robin , T. Webb

The ALHAMBRA survey aims to cover 4 square degrees using a system of 20 contiguous, equal width, medium-band filters spanning the range 3500 A to 9700 A plus the standard JHKs filters. Here we analyze deep near-IR number counts of one of…

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