Results 91 to 100 of about 5,726,855 (364)
Long-term investigation of an open cluster Berkeley 65
Frontiers in Astronomy and Space SciencesWe present a decade-long investigation of a poorly studied cluster, Berkeley 65 (Be 65), using deep optical data from the telescopes of ARIES, Nainital Observatory.
Tarak Chand +13 more
doaj +1 more source
A super lithium-rich red-clump star in the open cluster Trumpler 5 [PDF]
, 2014 Context. The existence of lithium-rich low-mass red giant stars still represents a challenge for stellar evolution models. Stellar clusters are privileged environments for this kind of investigation. Aims. To investigate the chemical abundance pattern of
L. Monaco +9 more
semanticscholar +1 more source
The open cluster Berkeley 53 [PDF]
Astronomische Nachrichten, 2009 AbstractWe present a photometric study of the neglected open cluster Berkeley 53. We derived its fundamental parameters, such as the age, the interstellar reddening, and the distance from the Sun, based on BV photometry combined with near‐infrared JHKS data.
Boyko Mihov +2 more
openaire +3 more sources
FEBS Letters, EarlyView.Glutaredoxin (Grx) 3 proteins contain a thioredoxin domain and one to three class II Grx domains. These proteins play a crucial role in iron homeostasis in eukaryotic cells. In human Grx3, at least one of the two Grx domains, together with the thioredoxin domain, is essential for its function in iron metabolism.
Laura Magdalena Jordt +4 more
wiley +1 more source
A RAVE investigation on galactic open clusters. II, Open cluster pairs, groups and complexes
, 2017 CONTEXT: It is generally agreed upon that stars form in open clusters (OCs) and stellar associations, but little is known about structures in the Galactic OC population; whether OCs and stellar associations are born isolated or if they prefer to form in
C. Conrad +23 more
semanticscholar +1 more source
WIYN OPEN CLUSTER STUDY. LIX. RADIAL VELOCITY MEMBERSHIP OF THE EVOLVED POPULATION OF THE OLD OPEN CLUSTER NGC 6791 [PDF]
, 2014 The open cluster NGC 6791 has been the focus of much recent study due to its intriguing combination of old age and high metallicity (∼8 Gyr, [Fe/H] = +0.30), as well as its location within the Kepler field.
B. Tofflemire +3 more
semanticscholar +1 more source
Revisiting the Open Cluster M35 [PDF]
, 2001 We present a photometric and spectroscopic study of the young open cluster M35, including very deep and accurate photometry of the stellar (including white dwarfs) and substellar population of the cluster, a complete mass function, rotational and radial velocities, and lithium abundances.
openaire +3 more sources
Open clusters and the galactic disk [PDF]
Astronomische Nachrichten, 2010 AbstractIt is textbook knowledge that open clusters are conspicuous members of the thin disk of our Galaxy, but their role as contributors to the stellar population of the disk was regarded as minor. Starting from a homogenous stellar sky survey, the ASCC‐2.5, we revisited the population of open clusters in the solar neighbourhood from scratch.
Nina V. Kharchenko +6 more
openaire +5 more sources
Evolutionary interplay between viruses and R‐loops
FEBS Letters, EarlyView.Viruses interact with specialized nucleic acid structures called R‐loops to influence host transcription, epigenetic states, latency, and immune evasion. This Perspective examines the roles of R‐loops in viral replication, integration, and silencing, and how viruses co‐opt or avoid these structures.
Zsolt Karányi +4 more
wiley +1 more source
Red Clump stars in Kepler open cluster NGC 6819
EPJ Web of Conferences, 2015 We measure the large frequency separation, Δν, and the frequency of maximum amplitude, νmax, for 10 Red Clump (RC) single member (SM) stars in the Kepler open cluster NGC 6819. We derive luminosities and masses for each individual RC star.
Abedigamba O.P. +2 more
doaj +1 more source