Results 131 to 140 of about 16,650,235 (304)

Internal kinematics of open star clusters

open access: yes, 1989
Proper motion data have been used to study the internal kinematics in eight open star clusters. The dependence of the intrinsic dispersion in proper motion on stellar mass and radial distance from the cluster centre have been studied. In most clusters no
Ram Sagar,, Bhatt, Harish C.
core   +2 more sources

Velocity Dispersion of the Open Cluster NGC 2571 by Radial Velocities and Proper Motions

open access: yesThe Astronomical Journal
We use a kernel density estimator method to evaluate the stellar velocity dispersion in the open cluster NGC 2571. We derive the 3D velocity dispersion using both proper motions as extracted from Gaia Data Release 3 and single-epoch radial velocities as ...
Maxim V. Kulesh   +5 more
doaj   +1 more source

Metastasis on pause: How dormant tumor cells stay hidden within the tumor microenvironment and evade immune surveillance

open access: yesMolecular Oncology, EarlyView.
Dormant cancer cells can hide in distant organs for years, evading treatment and the immune system. This review highlights how signals from the surrounding tissue and immune environment keep these cells inactive or trigger their reawakening. Understanding these mechanisms may help develop therapies to eliminate or control dormant cells and prevent ...
Kanishka Tiwary   +1 more
wiley   +1 more source

Online atlas of open star clusters [PDF]

open access: yes, 2018
Использование онлайн-атласа рассеянных звездных скоплений демонстрируется на ряде примеров.An application of the online atlas of open star clusters is demonstrated on a number of examples.Часть работ проведена при финансовой поддержке государства в лице ...
Filina, J. I.   +7 more
core  

Developmental programmes drive cellular plasticity, disease progression and therapy resistance in lung adenocarcinoma

open access: yesMolecular Oncology, EarlyView.
This study shows that lung adenocarcinomas exploit developmental branching morphogenesis to acquire a therapy resistant basal‐like tumour cell state. This process was found to be regulated by combined TP53 loss‐of‐function and type‐I interferon signalling, identifying a novel axis for biomarker and therapeutic target discovery.
Kamila J Bienkowska   +13 more
wiley   +1 more source

Collaborative and collective! Reflexive coordination and the dynamics of open innovation in clusters [PDF]

open access: yes
Economic geography increasingly conceptualises "innovation as a collective action" (Storper, 1996). However, cluster literature often reduces the collective dimension to the circulation of knowledge between local-regional organisations based on various ...
Ludovic Halbert
core  

The Star Formation History of the Young Open Cluster NGC 2244: Study of the Binary Fraction [PDF]

open access: yes
editorial reviewedA star formation history (SFH) is the stellar record of the various processes that shaped a galaxy and star clusters since its birth to its current physical state.
Nazé, Yaël   +2 more
core   +1 more source

Li Evolution among Stars of Low/Intermediate Mass: the Metal-deficient Open Cluster NGC 2204

open access: yesThe Astronomical Journal
We have analyzed high-dispersion spectra in the Li 6708 Å region for 167 stars within the anticenter cluster NGC 2204. From 105 probable members, abundance analysis of 45 evolved stars produces [Fe/H] = −0.40 ± 0.12, [Si/Fe] = 0.14 ± 0.12, [Ca/Fe] = 0.29
Barbara J. Anthony-Twarog   +4 more
doaj   +1 more source

Flow Enabled Target Capture Halbach‐based magnetic enrichment increases circulating tumor cell capture from blood in metastatic cancer patients

open access: yesMolecular Oncology, EarlyView.
Pair‐wise comparison of the CellSearch and FETCH enrichment technologies for circulating tumor cells (CTCs) from metastatic breast, prostate, and small cell lung cancer patients shows an increased capture of CTCs using FETCH enrichment. The clinical implementation of circulating tumor cells (CTCs) as a predictive tool for therapy efficacy in the ...
Michiel Stevens   +6 more
wiley   +1 more source

Interstellar Extinction in 20 Open Star Clusters

open access: yes, 2017
The interstellar extinction law in 20 open star clusters namely, Berkeley 7, Collinder 69, Hogg 10, NGC 2362, Czernik 43, NGC 6530, NGC 6871, Bochum 10, Haffner 18, IC 4996, NGC 2384, NGC 6193, NGC 6618, NGC 7160, Collinder 232, Haffner 19, NGC 2401, NGC
Geeta Rangwal   +3 more
core   +1 more source

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