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Current studies of the peculiar velocity flow field in the Local Universe are limited by either the lack of detection or accurate photometry for galaxies at low Galactic latitudes. The contribution to the dynamics of the Local Group of the…

星系天体物理 · 物理学 2015-06-22 Wendy L. Williams , Renée C. Kraan-Korteweg , Patrick A. Woudt

Dust extinction and stellar confusion of the Milky Way hinder the detection of galaxies at low Galactic latitude, creating the so-called Zone of Avoidance (ZoA). This has hampered our understanding of the local dynamics, cosmic flow fields…

星系天体物理 · 物理学 2014-10-14 K. Said , R. C. Kraan-Korteweg , T. H. Jarrett

Roughly 25% of the optical extragalactic sky is obscured by the dust and stars of our Milky Way. Dynamically important structures might still lie hidden in this zone. Various surveys are presently being employed to uncover the galaxy…

天体物理学 · 物理学 2015-06-24 A. Schröder , R. C. Kraan-Korteweg , G. A. Mamon

Dust extinction and stellar confusion by the Milky Way reduce the efficiency of detecting galaxies at low Galactic latitudes, creating the so-called Zone of Avoidance. This stands as a stumbling block in charting the distribution of…

星系天体物理 · 物理学 2015-06-23 K. Said , R. C. Kraan-Korteweg , T. H. Jarrett

We discuss the possibilities of extragalactic large-scale studies behind the Zone of Avoidance (ZOA) using complementary multi-wavelength data from optical, systematic blind HI, and near-infrared (NIR) surveys. Applying these data to the…

天体物理学 · 物理学 2007-05-23 A. Schroeder , R. C. Kraan-Korteweg , G. A. Mamon

High-accuracy HI profiles and linewidths are presented for inclined ($(b/a)^o < 0.5$) spiral galaxies in the southern Zone of Avoidance (ZOA). These galaxies define a sample for use in the determinations of peculiar velocities using the…

The systematic mapping of obscured and optically invisible galaxies behind the Milky Way through complementary surveys are important in arriving at the whole-sky distribution of complete galaxy samples and therewith for our understanding of…

天体物理学 · 物理学 2007-05-23 R. C. Kraan-Korteweg

Due to the foreground extinction of the Milky Way, galaxies become increasingly faint as they approach the Galactic Equator creating a ``zone of avoidance'' (ZOA) in the distribution of optically visible galaxies of about 25%. A…

天体物理学 · 物理学 2015-06-24 Renee C. Kraan-Korteweg , Sebastian Juraszek

We present a deep near-infrared (NIR) photometric catalogue of sources from the Parkes HI Zone of Avoidance (HIZOA) survey, which forms the basis for an investigation of the matter distribution in the Zone of Avoidance. Observations were…

Due to the foreground extinction of the Milky Way, galaxies appear increasingly fainter the closer they lie to the Galactic Equator, creating a "zone of avoidance" of about 25% in the distribution of optically visible galaxies. A…

天体物理学 · 物理学 2009-10-31 Renee C. Kraan-Korteweg , Ofer Lahav

Various dynamically important extragalactic large-scale structures in the local Universe lie behind the Milky Way. Most of these structures (predicted and unexpected) have only recently been made ``visible'' through dedicated deep surveys…

天体物理学 · 物理学 2015-06-24 Renee C. Kraan-Korteweg , Patrick A. Woudt

Context. The ZOA does not allow clear optical observations of extragalactic sources behind the Milky Way due to the meaningful extinction of the optical emission of these objects. The observations in NIR wavelengths represent a potential…

About 25% of the optical extragalactic sky is obscured by the dust and stars of our Milky Way. Dynamically important structures might still lie hidden in this zone. Various approaches are presently being employed to uncover the galaxy…

天体物理学 · 物理学 2016-01-27 R. C. Kraan-Korteweg , A. Schroeder , G. A. Mamon , S. Ruphy

About 25% of the optical extragalactic sky is obscured by the dust and stars of our Milky Way. Dynamically important structures might still lie hidden in this zone. Various approaches are presently being employed to uncover the galaxy…

天体物理学 · 物理学 2007-05-23 Renee C. Kraan-Korteweg , Baerbel Koribalski , Sebastian Juraszek

The Milky Way lies in a thin plane, the Local Sheet, a part of a wall bounding the Local Void lying toward the north supergalactic pole. Galaxies with accurate distances both above and below this supergalactic equatorial plane have…

星系天体物理 · 物理学 2019-07-31 Gagandeep S. Anand , R. Brent Tully , Luca Rizzi , Edward J. Shaya , Igor D. Karachentsev

This paper provides an update to the review on extragalactic large-scale structures uncovered in the Zone of Avoidance (ZOA) by Kraan-Korteweg & Lahav 2000, in particular in the Great Attractor region. Emphasis is given to the penetration…

天体物理学 · 物理学 2015-06-24 Renee C. Kraan-Korteweg

Galaxy peculiar velocity data provide important dynamical clues to the structures obscured by the Zone of Avoidance (hereafter, ZOA) with resolution >~ 500km/s. This indirect probe complements the very challenging approach of directly…

天体物理学 · 物理学 2007-05-23 Saleem Zaroubi

Using the near infrared fluxes of local galaxies derived from COBE/DIRBE J(1.25 $\mu$m) K (2.2 $\mu$m) \& L (3.5 $\mu$m) band maps and published Cepheid distances, we construct Tully-Fisher (TF) diagrams for the nearby galaxies. The…

天体物理学 · 物理学 2016-08-30 Sangeeta Malhotra , David N Spergel , James E Rhoads , Jing Li

The universe region obscured by the Milky Way is very large and only future blind large HI redshift, and targeted peculiar surveys on the outer borders will determine how much mass is hidden there. Meanwhile, we apply for the first time two…

宇宙学与河外天体物理 · 物理学 2019-10-09 Helene M. Courtois , Renee. C. Kraan-Korteweg , Alexandra Dupuy , Romain Graziani , Noam I Libeskind

We collected the existing data on the distances and radial velocities of galaxies around the Local Void in the Aquila/Hercules to examine the peculiar velocity field induced by its underdensity. A sample of 1056 galaxies with distances…

宇宙学与河外天体物理 · 物理学 2015-05-20 Olga Nasonova , Igor Karachentsev
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