Results 21 to 30 of about 833,438 (302)

Fossil group origins - VI. Global X-ray scaling relations of fossil galaxy clusters [PDF]

, 2015
We present the first pointed X-ray observations of 10 candidate fossil galaxy groups and clusters. With these Suzaku observations, we determine global temperatures and bolometric X-ray luminosities of the intracluster medium (ICM) out to $r_{500}$ for ...
Aguerri, J. A. L., Barrena, R., Corsini, E. M., D'Onghia, E., De Grandi, S., Gastaldello, F., Girardi, M., Jiménez-Bailón, E., Kundert, A., Lozada-Muñoz, M., Méndez-Abreu, J., Sánchez-Janssen, R., Wilcots, E., Zarattini, S.   +13 more
core   +3 more sources

Fossil cells [PDF]

Current Biology, 2020
Philip Donoghue introduces the fossil record of cells.
openaire   +2 more sources

A new coral family and three new genera from the Lower Cretaceous of Puebla and Sonora (Scleractinia; Mexico)

Revista Mexicana de Ciencias Geológicas, 2022
Solitary corals currently assigned to the genus Plesiosmilia are common elements in Late Jurassic to Early Cretaceous coral faunas. The genus itself is poorly defined and its systematic position is questionable.
Hannes Löser
doaj   +1 more source

Fossils upon Fossils [PDF]

Nature, 1967
Vertebrate Paleontology By Alfred Sherwood Romer. Third edition. Pp. viii + 468. (Chicago and London: University of Chicago Press, 1966.) $10; 72s.
openaire   +1 more source

Trace element geochemistry of kerogens from the central Niger Delta

Journal of Petroleum Exploration and Production Technology, 2018
Trace elements in kerogens isolated from shale samples obtained from oil wells in the central Niger Delta were determined using atomic absorption spectrometry, with the aim to determine the depositional environment and source of the organic matter.
T. O. Jegede, S. A. Adekola, A. Akinlua
doaj   +1 more source

First Member of ‘Higher Endomychidae’ (Coleoptera: Coccinelloidea) from the Mid-Cretaceous Amber of Myanmar and New Insights into the Time of Origin of the Handsome Fungus Beetles

Insects, 2022
A new genus and species of the family Endomychidae (Coleoptera: Coccinelloidea): Cretostenotarsus striatus Tomaszewska, Szawaryn and Arriaga-Varela gen. et sp. nov.
Wioletta Tomaszewska, Karol Szawaryn, Emmanuel Arriaga-Varela   +2 more
doaj   +1 more source

RX J1548.9+0851, a fossil cluster? [PDF]

, 2012
Fossil galaxy groups are spatially extended X-ray sources with X-ray luminosities above L_X,bol > 10^42 h_50^-2 ergs s^-1 and a central elliptical galaxy dominating the optical, the second-brightest galaxy being at least 2 magnitudes fainter in the R ...
Adelman-McCarthy, Barnes, Biviano, Cypriano, Dariush, D’Onghia, Ebrová, Eigenthaler, Eigenthaler, Evrard, Firth, Girardi, Hartley, Hopkins, Horne, Jacoby, Jones, Khosroshahi, Khosroshahi, Khosroshahi, Koleva, Kurtz, Le Borgne, Mendes de Oliveira, Mendes de Oliveira, Miller, Mukai, Navarro, Osmond, P. Eigenthaler, Pierini, Ponman, Proctor, Prugniel, Ramella, Sales, Santos, Schirmer, Sodré, Springel, Sun, Tonry, Ulmer, Vikhlinin, Voges, W. W. Zeilinger, Wu, Yoshioka   +47 more
core   +1 more source

Fossil group origins: VIII RXJ075243.6+455653 a transitionary fossil group

, 2017
It is thought that fossil systems are relics of structure formation in the primitive Universe. They are galaxy aggregations that have assembled their mass at high redshift with few or no subsequent accretion. Observationally these systems are selected by
Aguerri, J. A. L., D'Onghia, E., Dominguez-Palmero, L., Kundert, A., Longobardi, A., Zarattini, S.   +5 more
core   +1 more source

Nyctereutes terblanchei: The raccoon dog that never was [PDF]

, 2012
Fossils of the raccoon dog (genus Nyctereutes) are particularly rare in the African PlioPleistocene record, whilst the sole living representative, Nyctereutes procyonoides, is found in eastern Asia and parts of Europe. In southern Africa, only one fossil
Reynolds, Sally C.
core   +2 more sources

Reconstruction of deglacial sea surface temperatures in the tropical Pacific from selective analysis of a fossil coral [PDF]

, 2005
The Sr/Ca of coral skeletons demonstrates potential as an indicator of sea surface temperatures (SSTs). However, the glacial-interglacial SST ranges predicted from Sr/Ca of fossil corals are usually higher than from other marine proxies.
Allison, N., Ellam, R. M., Finch, A. A., Newville, M., Sutton, S. R., Tudhope, A. W.   +5 more
core   +1 more source