Results 141 to 150 of about 162,871 (277)

Homochiral Self‐Sorting During Macrocycle Formation and their Chiroptical Properties

ChemistryOpen, EarlyView.
Imine condensation of C2‐symmetric chiral aldehydes with aliphatic amines results in 2 : 2 macrocycles lacking self‐sorting, whereas aromatic amines yield macrocycles with complete homochiral self‐sorting. These macrocycles exhibit unique chiroptical properties attributed to rigidification compared to the starting aldehydes.
Diptiprava Sahoo, Soumen De
wiley   +1 more source

Buzzard to Cardinal: Improved Mock Catalogs for Large Galaxy Surveys

The Astrophysical Journal
We present the Cardinal mock galaxy catalogs, a new version of the Buzzard simulation that has been updated to support ongoing and future cosmological surveys, including the Dark Energy Survey (DES), DESI, and LSST.
Chun-Hao To, Joseph DeRose, Risa H. Wechsler, Eli Rykoff, Hao-Yi Wu, Susmita Adhikari, Elisabeth Krause, Eduardo Rozo, David H. Weinberg   +8 more
doaj   +1 more source

A statistical study of the luminosity gap in galaxy groups

, 2010
The luminosity gap between the two brightest members of galaxy groups and clusters is thought to offer a strong test for the models of galaxy formation and evolution.
Ghanbari, Jamshid, Khosroshahi, Habib G., Koohpaee, Ali, Rahmani, Hadi, Tavasoli, Saeed   +4 more
core   +1 more source

Improving the Determination of Supernova Cosmological Redshifts by Using Galaxy Groups

The Astrophysical Journal
At the low-redshift end ( z < 0.05) of the Hubble diagram with Type Ia Supernovae (SNe Ia), the contribution to Hubble residual scatter from peculiar velocities (PVs) is of similar size to that due to the limitations of the standardization of the SN Ia ...
Erik R. Peterson, Bastien Carreres, Anthony Carr, Daniel Scolnic, Ava Bailey, Tamara M. Davis, Dillon Brout, Cullan Howlett, David O. Jones, Adam G. Riess, Khaled Said, Georgie Taylor   +11 more
doaj   +1 more source

Neutral hydrogen observations of the CVn I group - II. The barred Im galaxy NGC 4214 [PDF]

, 1979
N. J. Allsopp
openalex   +1 more source

NGC1600 - Cluster or Field Elliptical?

, 2008
A study of the galaxy distribution in the field of the elliptical galaxy NGC1600 has been undertaken. Although this galaxy is often classified as a member of a loose group, all the neighbouring galaxies are much fainter and could be taken as satellites ...
Alberto Fernández‐Soto, Amelia Ortiz‐Gil, Baiesi-Pillastrini G. C., Bender R., Danese L., Fernando J. Ballesteros, Khosroshahi H. G., Lewis G., Maddox S. J., Rodney M. Smith, Vicent J. Martínez   +10 more
core   +1 more source

Redshifts of galaxies in the cluster Abell 262, and in the region of the Pisces group (centred on NGC 383) [PDF]

, 1977
C. Moss, R. J. Dickens
openalex   +1 more source

Deciphering the role of epistemic injustice in school‐based citizen science: Sources, implications, and possible ways for mitigation

Journal of Research in Science Teaching, EarlyView.
Abstract Participation in citizen science, a research approach in which nonscientists take part in performing research, is a growing practice in schools. A main premise in school‐based citizen science is that through their participation, students and teachers make meaningful contributions to the advancement of science.
Osnat Atias, Ayelet Shavit, Yael Kali, Ayelet Baram‐Tsabari   +3 more
wiley   +1 more source

A panoramic view of the Milky Way analogue NGC 891

, 2010
Recent panoramic observations of the dominant spiral galaxies of the Local Group have revolutionized our view of how these galaxies assemble their mass. However, it remains completely unclear whether the properties of the outer regions of the Local Group
Bell, Belokurov, Bland-Hawthorn, Couch, Davidge, Davidge, de Jong, Font, Hammer, Ibata, Ibata, Ibata, Ivezić, Johnston, Law, Martinez-Delgado, Martinez-Delgado, Miyazaki, Morrison, Mouhcine, Mouhcine, Oosterloo, Penarrubia, Pohlen, Schlegel, Skillman, White, Yanny, Zheng   +28 more
core   +1 more source

The Velocity-Distance Relation and the Hubble Constant for Nearby Groups of Galaxies [PDF]

, 1972
G. de Vaucouleurs
openalex   +1 more source