Grundbegriffe und Darstellungsmittel,ut 6000 km/s, whilst the fifth, NGC 7320, has v~ 800 km/s. Several attempts of estimating the density of the “Stephan’s Quintet like” groups have been carried on, giving contradictory results about the evidence for a chance projection in the discordant redshift groups. (See e.g. 1,2,3).
作者: 鋸齒狀 時間: 2025-3-24 01:13
作者: Flagging 時間: 2025-3-24 06:21
Kurt Magnus,Karl Popp,Walter Sextroted by redshift information (e.g. Davis et al. 1982). The 2-dimensional distribution of 21,000 galaxies taken from the UGC (Nilson 1973) and the ESO/Uppsala (Lauberts 1982) galaxy catalogues is shown in Figure 1 plotted in supergalactic coordinates. This plot shows galaxies with major axis diameters
作者: 愛了嗎 時間: 2025-3-24 07:08
Walther Meyer zur Capellen,Herbert Krummgical first steps was a more detailed study of the core of the Virgo cluster. Although it is not terribly rich, the Virgo cluster is several times nearer than any other rich cluster in the northern celestial hemisphere. Thus it is well suited for studies of the faint end of the cluster luminosity fu
作者: indignant 時間: 2025-3-24 12:11
Schwingungen spezieller Kontinua,mass and radial variation of velocity dispersion to give information on the distribution function, in the first place of the Coma cluster (Kent and Gunn 1982, Materne and Fuchs 1982) and more recently of the Perseus cluster (Kent and Sargent 1983). The major limitation on this work is in the relativ
作者: Misnomer 時間: 2025-3-24 18:43
Schwingungen spezieller Kontinua, galaxies. Kent and Gunn (1982) have analysed the surface density and velocity dispersion profiles of the Coma cluster, where more than 200 radial velocities are known, in terms of a series of models with various assumptions about the form of the distribution function. Obtaining large numbers of red
作者: EXTOL 時間: 2025-3-24 22:22
作者: 多骨 時間: 2025-3-25 01:45
978-94-009-6414-3D. Reidel Publishing Company, Dordrecht, Holland 1984
作者: Ligament 時間: 2025-3-25 03:28
The Spatial Distribution of Galaxies in the Southern Sky,n the northern hemisphere. It will be some years before the quantity and quality of redshifts in the southern hemisphere can complement the northern data and correct the imbalance. In the meantime, we wish to offer a preliminary examination using available data — albeit somewhat heterogeneous.
作者: BINGE 時間: 2025-3-25 10:03
Statistical Analysis of the Shapes of Rich Superclusters,redshifts. We describe two tests, a principal axes test and a velocity gradient test, which are especially useful for this purpose. We apply these tests to samples of clusters from the Abell catalog and search for evidence of disk-like or filamentary structures.
作者: misanthrope 時間: 2025-3-25 13:56
作者: ABHOR 時間: 2025-3-25 16:11
Superclusters: A New Insight into the Problem of Groups with Discrepant Redshifts,ut 6000 km/s, whilst the fifth, NGC 7320, has v~ 800 km/s. Several attempts of estimating the density of the “Stephan’s Quintet like” groups have been carried on, giving contradictory results about the evidence for a chance projection in the discordant redshift groups. (See e.g. 1,2,3).
作者: ureter 時間: 2025-3-25 20:14
Kurt Magnus,Karl Popp,Walter SextroAfter a brief historical review of the discovery of the Local Supercluster, this paper reports on recent research on the space distribution of nearby galaxies, on the space motions of the Sun, Galaxy and Local Group relative to these nearby galaxies, and on a first empirical mapping of the velocity field near the plane of the Local Supercluster.
作者: 現(xiàn)存 時間: 2025-3-26 03:12
https://doi.org/10.1007/978-3-8351-9227-0Studies of the frequency distribution of supergalactic position angles for spiral galaxies of the Local Supercluster show no preferred orientation. However, for galaxies in the magnitude range 14.0≤m.≤15.5 positioned over the whole sky, there is a preferred supergalactic position angle of 94° with a dispersion of 40°.
作者: invulnerable 時間: 2025-3-26 06:09
Grundbegriffe und Darstellungsmittel,A series of maps showing the distribution of galaxies in different radial velocity ranges have been prepared.
作者: Increment 時間: 2025-3-26 11:03
https://doi.org/10.1007/978-3-663-01339-6Two objective prisms with dispersions of 2480A/mm and 840A/mm (at Hγ) are available on the U.K. Schmidt telescope. Combinations give dispersions of 1240A/mm and 620A/mm at Hγ. This note discusses the accuracy of preliminary galaxy redshift surveys using the two intermediate dispersions.
作者: 合群 時間: 2025-3-26 15:08
作者: 系列 時間: 2025-3-26 20:41
作者: 樹上結(jié)蜜糖 時間: 2025-3-27 00:25
作者: 愛了嗎 時間: 2025-3-27 05:05
作者: 溫和女人 時間: 2025-3-27 06:37
作者: Ballerina 時間: 2025-3-27 10:40
Les Regions Externes des Galaxies Ne Sont Pas Orientees Au Hasard,Des halos (ou couronnes) peuvent être détectées autour d’un certain nombre de galaxies par:
作者: CROW 時間: 2025-3-27 14:57
作者: Incommensurate 時間: 2025-3-27 18:54
作者: 絕緣 時間: 2025-3-27 23:25
Kurt Magnus,Karl Popp,Walter Sextroredshifts. We describe two tests, a principal axes test and a velocity gradient test, which are especially useful for this purpose. We apply these tests to samples of clusters from the Abell catalog and search for evidence of disk-like or filamentary structures.
作者: infarct 時間: 2025-3-28 05:08
作者: Formidable 時間: 2025-3-28 08:02
Grundbegriffe und Darstellungsmittel,ut 6000 km/s, whilst the fifth, NGC 7320, has v~ 800 km/s. Several attempts of estimating the density of the “Stephan’s Quintet like” groups have been carried on, giving contradictory results about the evidence for a chance projection in the discordant redshift groups. (See e.g. 1,2,3).
作者: Exaggerate 時間: 2025-3-28 10:35
Book 1984n "Clusters of great interest. and Groups of Galaxies". The topics covered included the spatial distribution and the clustering of galaxies; the properties of Superclusters, Clusters and Groups of galaxies; radio and X-ray observations; the problem of unseen matter; theories concerning hierarchical
作者: overweight 時間: 2025-3-28 17:23
作者: 走調(diào) 時間: 2025-3-28 22:49
作者: 我要威脅 時間: 2025-3-29 01:23
Schwingungen spezieller Kontinua,shifts to an accuracy of order 50–100 km/s takes a lot of time on a large telescope, but here we show how redshifts of substantial numbers of cluster galaxies might be obtained simultaneously, making it possible to obtain 100 or more precise redshifts in a cluster per night.
作者: 領(lǐng)巾 時間: 2025-3-29 05:12
作者: 發(fā)出眩目光芒 時間: 2025-3-29 09:36
Schwingungen spezieller Kontinua,definitive profile for Coma we have recently published a catalogue of magnitudes, colours, ellipticities and position angles for more than 6000 galaxies in the central 2.62 degree area of the cluster (Godwin, Metcalfe and Peach 1983).
作者: 壟斷 時間: 2025-3-29 13:40
作者: 忘恩負義的人 時間: 2025-3-29 18:36
The Structure and Dynamics of the Coma cluster,definitive profile for Coma we have recently published a catalogue of magnitudes, colours, ellipticities and position angles for more than 6000 galaxies in the central 2.62 degree area of the cluster (Godwin, Metcalfe and Peach 1983).
作者: macrophage 時間: 2025-3-29 21:38
作者: 友好關(guān)系 時間: 2025-3-30 03:14
On the Large-Scale Distribution of Clusters of Galaxies,fficient in order to recognize the design up to about z=0.12. In the figure example of the distribution of clusters is shouwn (?: ABELL clusters of richness class R ≥ 1; ?: ABELL clusters of richness class R = O and non-ABELL clusters).
作者: 無動于衷 時間: 2025-3-30 07:20
作者: 斗志 時間: 2025-3-30 09:49
https://doi.org/10.1007/978-3-8351-9227-0 A concentration of galaxies, apparently coincident with 2151–5805 on the sky, is found to lie in the background at a higher redshift, illustrating how the knowledge of redshifts can resolve structure in three dimensions. Much faster and more objective automatic methods of determining the redshifts are currently being developed.
作者: 冬眠 時間: 2025-3-30 12:26
作者: ATRIA 時間: 2025-3-30 17:03
作者: 真實的人 時間: 2025-3-31 00:46
The Spatial and Peculiar Velocity Distribution of Galaxies within 80 MPC,vertically through Figure 1. The other empty zone is caused by the gap in the catalogues between declinations ?17°.5 to ?2°.5. The 2-dimensional distribution in Figure 1 gives a strong visual impression of filamentary structure on angular scales up to a radian and more.
作者: Generic-Drug 時間: 2025-3-31 03:58
作者: ciliary-body 時間: 2025-3-31 07:16
Kurt Magnus,Karl Popp,Walter Sextronly composed of spirals. The possible connection of a cloud of galaxies surrounding the cluster A569, the new filament in Gemini and the Linx-Ursa Major supercluster with the Perseus supercluster is briefly discussed.
作者: majestic 時間: 2025-3-31 09:15
A Redshift Survey in the Linx Gemini Region,nly composed of spirals. The possible connection of a cloud of galaxies surrounding the cluster A569, the new filament in Gemini and the Linx-Ursa Major supercluster with the Perseus supercluster is briefly discussed.
作者: EVADE 時間: 2025-3-31 15:17
Superclusters,dimensions ranging from tens of kiloparsecs to hundreds of Megaparsecs. The rich clusters may be the largest bound structures. The superclusters look largely unrelaxed: they have rarely a well-defined centre; their relatively small internal random motions indicate crossing times along the larger dia
作者: fatty-acids 時間: 2025-3-31 21:12
作者: Embolic-Stroke 時間: 2025-3-31 21:55
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