Revisit of 77 Clusters Candidates with Multiple Main Sequences using Gaia DR3 by Jing Chen, Zhongmu Li, Su Zhang, Wenchang Zhao, You Wu

“…Gaia DR3 data provide the latest and full astrometric data for more than 1.5 billion sources, and these allow us to revisit the 77 special open cluster candidates collected from LISC star cluster catalog. …”
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The Empirical Limits of Gyrochronology by Luke G. Bouma, Elsa K. Palumbo, Lynne A. Hillenbrand

“…In this work, we present an interpolation-based gyrochronology framework that reproduces the time- and mass-dependent spin-down rates implied by the latest open cluster data, while also matching the rate at which the dispersion in initial stellar rotation periods decreases as stars age. …”
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The value of routine mid-trimester ultrasound in low-risk pregnancies at primary care level by B van Dyk, JA Motto, EJ Buchmann

“…This study investigated the effect of routine second-trimester ultrasound scanning on obstetric management and pregnancy outcomes. This was an open cluster, randomised, controlled trial. Clusters of women with low-risk pregnancies presenting in the second trimester were randomised to receive an ultrasound scan followed by usual antenatal care, or to an unscanned control group undergoing conventional antenatal care only. …”
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Cost-Effectiveness and Cost?Benefit Analyses of Providing Menstrual Cups and Sanitary Pads to Schoolgirls in Rural Kenya by Masih A. Babagoli, Anja Benshaul-Tolonen, Garazi Zulaika, Elizabeth Nyothach, Clifford Oduor, David Obor, Linda Mason, Emily Kerubo, Isaac Ngere, Kayla F. Laserson, Rhiannon Tudor Edwards, Penelope A. Phillips-Howard

“…benefit analyses of three-arm single-site open cluster randomized controlled pilot study providing menstrual cups or sanitary pads for 1 year. …”
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Cluster Difference Imaging Photometric Survey. II. TOI 837: A Young Validated Planet in IC 2602 by Ricker, George R, Vanderspek, Roland K, Burke, Christopher J., Levine, Alan M, Seager, Sara

“…We find that TOI 837 is a T = 9.9 mag G0/F9 dwarf in the southern open cluster IC 2602. The star and planet are therefore million years old. …”
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Distance determination for RAVE stars using stellar models by Breddels, M, Smith, M, Helmi, A, Bienaymé, O, Binney, J, Bland-Hawthorn, J, Boeche, C, Burnett, B, Campbell, R, Freeman, K, Gibson, B, Gilmore, G, Grebel, E, Munari, U, Navarro, J, Parker, Q, Seabroke, G, Siebert, A, Siviero, A, Steinmetz, M, Watson, F, Williams, M, Wyse, R, Zwitter, T

“…This method is tested with artificial data, Hipparcos trigonometric parallaxes and observations of the open cluster M67. Results: When we applied our method to a set of 16 146 stars, we found that 25% (4037) of the stars have relative (statistical) distance errors of <35%, while 50% (8073) and 75% (12 110) have relative (statistical) errors smaller than 45% and 50%, respectively. …”

Understanding angular momentum evolution of solar-age stars with K2 data by Esselstein, R

“…Well-calibrated with open clusters up to the age of ~2.5 Gyr, predictions from gyrochronology are in conflict with asteroseismic observations of older stars, and the underlying physics are poorly understood. …”

The wide-field, multiplexed, spectroscopic facility WEAVE: survey design, overview, and simulated implementation by Jin, S, Trager, S, Dalton, GB, Aguerri, JAL, Drew, J, Falcón-Barroso, J, Gänsicke, B, Hill, V, Iovino, A, Pieri, M, Poggianti, B, Smith, D, Vallenari, A, Abrams, DC, Aguado, D, Ascasibar, Y, Belokurov, V, Laigle, C, Molaeinezhad, A, Terrett, D, Gilbert, J, Hughes, S, Jarvis, M, Lewis, I, Peirani, S, Schallig, E, Stott, J

“…After summarising the design and implementation of WEAVE and its data systems, we present the organisation, science drivers and design of a five- to seven-year programme of eight individual surveys to: (i) study our Galaxy’s origins by completing Gaia’s phase-space information, providing metallicities to its limiting magnitude for ∼3 million stars and detailed abundances for ∼1.5 million brighter field and open-cluster stars; (ii) survey ∼0.4 million Galactic-plane OBA stars, young stellar objects and nearby gas to understand the evolution of young stars and their environments; (iii) perform an extensive spectral survey of white dwarfs; (iv) survey ∼400 neutral-hydrogen-selected galaxies with the IFUs; (v) study properties and kinematics of stellar populations and ionised gas in z < 0.5 cluster galaxies; (vi) survey stellar populations and kinematics in ∼25 000 field galaxies at 0.3 ≲ z ≲ 0.7; (vii) study the cosmic evolution of accretion and star formation using >1 million spectra of LOFAR-selected radio sources; (viii) trace structures using intergalactic/circumgalactic gas at z > 2. …”

Distance determination for RAVE stars using stellar models by Breddels, M, Smith, M, Helmi, A, Bienayme, O, Binney, J, Bland-Hawthorn, J, Boeche, C, Burnett, B, Campbell, R, Freeman, K, Gibson, B, Gilmore, G, Grebel, E, Munari, U, Navarro, J, Parker, Q, Seabroke, G, Siebert, A, Siviero, A, Steinmetz, M, Watson, F, Williams, M, Wyse, R, Zwitter, T

“…This method is tested with artificial data, Hipparcos trigonometric parallaxes and observations of the open cluster M67. Results: When we applied our method to a set of 16 146 stars, we found that 25% (4 037) of the stars have relative (statistical) distance errors of &lt; 35%, while 50% (8 073) and 75% (12 110) have relative (statistical) errors smaller than 45% and 50%, respectively. …”

Internal Calibration of LAMOST and Gaia DR3 GSP-Spec Stellar Abundances by Zexi Niu, Haibo Yuan, Jifeng Liu

“…The chemical homogeneity of the open cluster M 44 is also improved by a factor of two. …”
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M67 Blue Stragglers with High-resolution Infrared Spectroscopy by K. E. Brady, C. Sneden, C. A. Pilachowski, Melike Afşar, G. N. Mace, D. T. Jaffe, N. M. Gosnell, R. Seifert

“…We report on the first detailed infrared chemical analysis of five binary members (S277, S997, S975, S1031, and S1195) in the open cluster M67 (NGC 2682). These stars are located outside (bluer and/or brighter than) the main-sequence turnoff region in M67. …”
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Tracing the Origins of Mass Segregation in M35: Evidence for Primordially Segregated Binaries by Erin Motherway, Aaron M. Geller, Anna C. Childs, Claire Zwicker, Ted von Hippel

“…M35 is a young open cluster and home to an extensive binary population. …”
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Dedicated mobile application for drug adverse reaction reporting by patients with relapsing remitting multiple sclerosis (Vigip-SEP study): study protocol for a randomized controll... by Gilles Defer, Florian Le Caignec, Sophie Fedrizzi, François Montastruc, Damien Chevanne, Jean-Jacques Parienti, Laure Peyro-Saint-Paul

“…Methods/design We designed a multi-centric, open cluster-randomized controlled trial, called the Vigip-SEP study (NCT03029897), using the App My eReport France® to report ADR to the appropriate authorities in E2B language, in accordance with European regulations. …”
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Introducing quality clusters in general practice – a qualitative study of the experiences of cluster coordinators by Marius Brostrøm Kousgaard, Thorbjørn Hougaard Mikkelsen, Maria Bundgaard, Marie Henriette Madsen, Morten Bonde Klausen, Mads Toft Kristensen, Pia Kürstein Kjellberg, Jens Søndergaard

“…Challenges initially included setting up the clusters administratively and translating the open cluster concept into a local, workable model; and later obtaining relevant data for the cluster meetings and facilitating peer discussions about the data. …”
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Selected Plant Metabolites Involved in Oxidation-Reduction Processes during Bud Dormancy and Ontogenetic Development in Sweet Cherry Buds (Prunus avium L.) by Susanne Baldermann, Thomas Homann, Susanne Neugart, Frank-M. Chmielewski, Klaus-Peter Götz, Kristin Gödeke, Gerd Huschek, Getrud E. Morlock, Harshadrai M. Rawel

“…After a long period of constancy until the end of ecodormancy, a final phase of further decrease followed up to the phenophase open cluster. The main phenolic compounds were caffeoylquinic acids, coumaroylquinic acids and catechins, as well as quercetin and kaempferol derivatives. …”
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TESS Observations of the Pleiades Cluster: A Nursery for δ Scuti Stars by Timothy R. Bedding, Simon J. Murphy, Courtney Crawford, Daniel R. Hey, Daniel Huber, Hans Kjeldsen, Yaguang Li, Andrew W. Mann, Guillermo Torres, Timothy R. White, George Zhou

“…We studied 89 A- and F-type members of the Pleiades open cluster, including five escaped members. We measured projected rotational velocities ( $v\sin i$ ) for 49 stars and confirmed that stellar rotation causes a broadening of the main sequence in the color–magnitude diagram. …”
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Population of X-Ray Sources in the Intermediate-age Cluster NGC 3532: a Test Bed for Machine-learning Classification by Steven Chen, Oleg Kargaltsev, Hui Yang, Jeremy Hare, Igor Volkov, Blagoy Rangelov, John Tomsick

“…Open clusters are thought to be the birthplace of most stars in the galaxy. …”
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False Planets around Giant Stars: A Case Study of Sanders 364 in M67 by Qijia Zhou, David W. Latham, Samuel N. Quinn, Allyson Bieryla, Andrew Vanderburg, Perry Berlind, Michael L. Calkins, Gilbert A. Esquerdo

“…In this paper, we investigate the case of Sanders 364, a K giant star in the old open cluster M67. A paper by Brucalassi et al. reports the discovery of a giant planet with a period of 121 days orbiting Sanders 364. …”
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Building menstrual health and hygiene-supportive environments: exploring teachers’ experience in rural Western Kenya by Julia L. Shenkman, Leah C. Neubauer, Linda Mason, Kelvin Oruko, Kelvin Oruko, Kelly Alexander, Kelly Alexander, Penelope A. Phillips-Howard, Elizabeth Nyothach

“…This paper leverages teachers’ perspectives on menstruation and the impact of the Menstrual Solutions (MS) study, an open cluster randomized controlled feasibility study to determine the impact of puberty education, nurses support, and menstrual product provision on girls’ academic performance and emotional well-being.MethodsSeventeen focus group discussions were conducted from October 2012 through November 2013 with teachers at six participating schools, held at three different time points during the study period.ResultsKey themes that emerged were emotions and blood, absenteeism, the role of teachers in MHH, and the impact of sensitization. …”
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Effect of Behavior Modification on Outcome in Early- to Moderate-Stage Chronic Kidney Disease: A Cluster-Randomized Trial. by Kunihiro Yamagata, Hirofumi Makino, Kunitoshi Iseki, Sadayoshi Ito, Kenjiro Kimura, Eiji Kusano, Takanori Shibata, Kimio Tomita, Ichiei Narita, Tomoya Nishino, Yoshihide Fujigaki, Tetsuya Mitarai, Tsuyoshi Watanabe, Takashi Wada, Teiji Nakamura, Seiichi Matsuo, Study Group for Frontier of Renal Outcome Modifications in Japan (FROM-J)

“…<h4>Design</h4>Stratified open cluster-randomized trial.<h4>Setting</h4>A total of 489 GPs belonging to 49 local medical associations (clusters) in Japan.…”
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