We present the first application of lens magnification to measure the absolute mass of a galaxy cluster: Abell 1689. The absolute mass of a galaxy cluster can be measured by the gravitational lens ...

We apply our model to the well-studied cluster Abell 1689. We estimate the quality of our mass reconstruction with a Bayesian Monte Carlo Markov Chain sampler. For a selected subset of multiple images ...

Objects listed below are known to have the problem with high probability. SXDS field Rho Oph Abell 1689 4C 23.56 It has been known that the use of the optical secondary mirror can effectively ...

In 1958 the great extragalactic astronomer George Abell of UCLA compiled a catalog of galaxy clusters. It was extended by Abell and collaborators in 1987 and eventually contained 4,076 clusters.

Toronto, Ontario, May 27, 2025 (GLOBE NEWSWIRE) -- This month, Abell Pest Control proudly celebrates a remarkable milestone: the 100th birthday of Ralph Abell, a second-generation leader whose life ...

Lammonby finished on 104 not out and Tom Abell, with whom he had put on an unbroken 139 for the fourth wicket, was unbeaten on 73. Yet Durham had enjoyed the perfect start to the morning when ...

Their vital work is supported by Abell Pest Control, helping to drive progress in the fight against tick-borne diseases. “There is a complexity to Lyme disease,” says Dr. Melanie Wills, who leads the ...

To the editor — I wanted to commend Evan Abell on his striking picture of Jimmy Chin in the May 3 Unleashed section. Evan captured Chin's youthful joy and enthusiasm in a style that reminded me ...

CORNER SAYS IT’S THE LONGEST-RUNNING STABLE IN THE COUNTRY. William Abell, who moved to Sowebo just two weeks ago, did a double-take Tuesday morning when he saw two pigs walking along West Pratt ...

PARIS - The James Webb space telescope’s deepest view of a single target yet depicts spinning arcs of light that are galaxies from the universe’s distant past, the European Space Agency said ...

Five new head coaches will make their debut in the league. Zach Kittley (Florida Atlantic), Tim Albin (Charlotte), Scott Abell (Rice), Tre Lamb (Temple) and K.C. Keeler (Temple) join the American ...