Results 41 to 50 of about 55,503 (265)

M-dwarf stellar winds : the effects of realistic magnetic geometry on rotational evolution and planets

, 2014
AAV acknowledges support from a Royal Astronomical Society Fellowship. JM acknowledges support from a fellowship of the Alexander von Humboldt foundation.We perform three-dimensional numerical simulations of stellar winds of early-M-dwarf stars.
Morin, J., Gombosi, T.I., Donati, J.F., Opher, M., Gombosi, Tamás, Jardine, M., Morin, Julien, Gombosi, T. I., Vidotto, A. A., Vidotto, A.A., Donati, J. F., Gombosi, Tamas I.   +11 more
core   +1 more source

The Average Stellar Population Age and Metallicity of Intermediate-redshift Quiescent Galaxies

The Astrophysical Journal
The HectoMAP spectroscopic survey provides a unique mass-limited sample of more than 35,000 quiescent galaxies ( D _n 4000 > 1.5) covering the redshift range 0.2  10 ^11 M _⊙ ) assemble the bulk of their stars at earlier epochs.
Ivana Damjanov, Margaret J. Geller, Jubee Sohn   +2 more
doaj   +1 more source

Structural instability impairs function of the UDP‐xylose synthase 1 Ile181Asn variant associated with short‐stature genetic syndrome in humans

FEBS Letters, EarlyView.
The Ile181Asn variant of human UDP‐xylose synthase (hUXS1), associated with a short‐stature genetic syndrome, has previously been reported as inactive. Our findings demonstrate that Ile181Asn‐hUXS1 retains catalytic activity similar to the wild‐type but exhibits reduced stability, a looser oligomeric state, and an increased tendency to precipitate ...
Tuo Li, Pedro A. Sánchez‐Murcia, Bernd Nidetzky   +2 more
wiley   +1 more source

Organ‐specific redox imbalances in spinal muscular atrophy mice are partially rescued by SMN antisense oligonucleotides

FEBS Letters, EarlyView.
We identified a systemic, progressive loss of protein S‐glutathionylation—detected by nonreducing western blotting—alongside dysregulation of glutathione‐cycle enzymes in both neuronal and peripheral tissues of Taiwanese SMA mice. These alterations were partially rescued by SMN antisense oligonucleotide therapy, revealing persistent redox imbalance as ...
Sofia Vrettou, Brunhilde Wirth
wiley   +1 more source

Modelling galaxy stellar mass evolution from z similar to 0.8 to today

, 2010
We apply the empirical method built for redshift z = 0 in the previous work of Wang et al. to a higher redshift, to link galaxy stellar mass directly with its hosting dark matter halo mass at a redshift of around 0.8.
Wang, Lan, Jing, Y. P.
core   +1 more source

Stellar masses of SDSS-III BOSS galaxies at z~0.5 and constraints to galaxy formation models [PDF]

, 2013
We calculate stellar masses for ∼400 000 massive luminous galaxies at redshift ∼0.2–0.7 using the first two years of data from the Baryon Oscillation Spectroscopic Survey (BOSS).
Chen, Yanmei, Masters, Karen L., Bolton, Adam S., Malanushenko, Viktor, Tinker, Jeremy, Oravetz, Daniel, Pforr, Janine, Wake, David, Weaver, Benjamin A., Nichol, Robert C., Shelden, Alaina, Maraston, Claudia, Wake, David A., Brownstein, Joel R., Thomas, Daniel, Higgs, Tim, Capozzi, Diego, Skibba, Ramin A., Beifiori, Alessandra, Pan, Kaike, Schneider, Donald P., Steele, Oliver, York, Donald G., Snedden, Stephanie A., Henriques, Bruno M., Simmons, Audrey, Edmondson, Edd, Bizyaev, Dmitry, Oravetz, Daniel J., Bundy, Kevin, Brewington, Howard J., Malanushenko, Elena, Snedden, Stephanie, Brewington, Howard   +33 more
core   +1 more source

Transferrin receptor 1‐mediated iron uptake supports thermogenic activation in human cervical‐derived adipocytes

FEBS Letters, EarlyView.
In this study, we found that human cervical‐derived adipocytes maintain intracellular iron level by regulating the expression of iron transport‐related proteins during adrenergic stimulation. Melanotransferrin is predicted to interact with transferrin receptor 1 based on in silico analysis.
Rahaf Alrifai, Mizuki Seo, Gyath Karadsheh, Fachrur Rizal Mahendra, Máté Á Demény, Ferenc Győry, János András Mótyán, László Fésüs, Endre Kristóf, Rini Arianti   +9 more
wiley   +1 more source

Stellar and total mass in early-type lensing galaxies

, 2005
For 18 well-observed gravitationally lensed QSOs, we compare new nonparametric mass profiles for the lensing galaxies with stellar population models derived from published Hubble Space Telescope photometry.
Ferreras, I., Williams, L.L.R., Saha, P, Saha, P., Ferreras, I, Williams, L L R   +5 more
core   +1 more source

Stellar Mass Calibrations for Local Low-mass Galaxies

The Astrophysical Journal
The stellar masses of galaxies are measured from integrated light via several methods—however, few of these methods were designed for low-mass ( M _⋆ ≲ 10 ^8 M _⊙ ) “dwarf” galaxies, whose properties (e.g., stochastic star formation, low metallicity ...
Mithi A. C. de los Reyes, Yasmeen Asali, Risa H. Wechsler, Marla Geha, Yao-Yuan Mao, Erin Kado-Fong, Ragadeepika Pucha, William Grant, Pratik J. Gandhi, Viraj Manwadkar, Anna Engelhardt, Ferah Munshi, Yunchong Wang   +12 more
doaj   +1 more source

Benchmarking pre-main sequence stellar evolutionary tracks using disk-based dynamical stellar masses

Astronomy & Astrophysics
Stellar masses are a fundamental property to understand models of pre-main sequence evolution, but their values derived from Hertzsprung–Russell (HR) diagrams are strongly model dependent.
Zallio Luigi, Vioque Miguel, Andrews Sean M., Empey Aaron, Rosotti Giovanni P., Miotello Anna, Manara Carlo F., Carpenter John M., Deng Dingshan, Kurtovic Nicolás T., Law Charles J., Longarini Cristiano, Paneque-Carreño Teresa, Teague Richard, Villenave Marion, Yen Hsi-Wei, Zagaria Francesco   +16 more
doaj   +1 more source