Results 71 to 80 of about 110,517 (296)

SAGAbg. III. Environmental Stellar Mass Functions, Self-quenching, and the Stellar-to-halo Mass Relation in the Dwarf Galaxy Regime

The Astrophysical Journal
Recent efforts have extended our view of the number and properties of satellite galaxies beyond the Local Group firmly down to M _⋆  ∼ 10 ^6 M _⊙ . A similarly complete view of the field dwarf population has lagged behind.
Erin Kado-Fong, Yao-Yuan Mao, Yasmeen Asali, Marla Geha, Risa H. Wechsler, Mithi A. C. de los Reyes, Yunchong Wang, Ethan O. Nadler, Nitya Kallivayalil, Erik J. Tollerud, Benjamin Weiner   +10 more
doaj   +1 more source

A Value-added COSMOS2020 Catalog of Physical Properties: Constraining Temperature-dependent Initial Mass Function

The Astrophysical Journal Supplement Series, 2023
This work presents and releases a catalog of new photometrically derived physical properties for the ∼10 ^5 most well-measured galaxies in the COSMOS field on the sky.
Vadim Rusakov, Charles L. Steinhardt, Albert Sneppen   +2 more
doaj   +1 more source

The Atacama Cosmology Telescope: the stellar content of galaxy clusters selected using the Sunyaev-Zel'dovich effect

, 2013
We present a first measurement of the stellar mass component of galaxy clusters selected via the Sunyaev-Zel'dovich (SZ) effect, using 3.6 um and 4.5 um photometry from the Spitzer Space Telescope.
Baker, Andrew J., Barrientos, L. Felipe, Battaglia, Nicholas, Bond, J. Richard, Crichton, Devin, Das, Sudeep, Devlin, Mark J., Gralla, Megan, Hajian, Amir, Hasselfield, Matthew, Hilton, Matt, Hincks, Adam D., Hughes, John P., Infante, Leopoldo, Irwin, Kent D., Kosowsky, Arthur, Lin, Yen-Ting, Marriage, Tobias A., Marsden, Danica, Menanteau, Felipe, Moodley, Kavilan, Niemack, Michael D., Nolta, Mike R., Page, Lyman A., Reese, Erik D., Sievers, Jon, Sifón, Cristóbal, Spergel, David N., Wollack, Edward J.   +28 more
core   +1 more source

The Stellar Initial Mass Function

, 1999
The current status of both the observational evidence and the theory of the stellar initial mass function (IMF) is reviewed, with particular attention to the two basic, apparently universal features shown by all observations of nearby stellar systems: (1) a characteristic stellar mass of the order of one solar mass, and (2) a power-law decline of the ...
openaire   +2 more sources

Spatiotemporal and quantitative analyses of phosphoinositides – fluorescent probe—and mass spectrometry‐based approaches

FEBS Letters, EarlyView.
Fluorescent probes allow dynamic visualization of phosphoinositides in living cells (left), whereas mass spectrometry provides high‐sensitivity, isomer‐resolved quantitation (right). Their synergistic use captures complementary aspects of lipid signaling. This review illustrates how these approaches reveal the spatiotemporal regulation and quantitative
Hiroaki Kajiho, Shin Morioka, Junko Sasaki, Takehiko Sasaki   +3 more
wiley   +1 more source

Star−Disk Collisions: Implications for Quasi-periodic Eruptions and Other Transients near Supermassive Black Holes

The Astrophysical Journal
We use Athena++ to study the hydrodynamics of repeated star−accretion disk collisions close to supermassive black holes, and we discuss their implications for the origin of quasi-periodic eruptions (QPEs) and other repeating nuclear transients.
Philippe Z. Yao, Eliot Quataert, Yan-Fei Jiang, Wenbin Lu, Christopher J. White   +4 more
doaj   +1 more source

MODEL OF DEGENERATE DWARF WITH SPIN-POLARIZED ELECTRON SYSTEM

Odessa Astronomical Publications, 2016
A three-parametric model of a massive degenerate dwarf was proposed. Unlike paramagnetic state of electron system in the standard Chandrasekhar model electrons are considered in a partially spin-polarized state.
M. V. Vavrukh, D. V. Dzikovskyi, N. L. Tyshko   +2 more
doaj   +1 more source

A Simple Technique for Predicting High-Redshift Galaxy Evolution

, 2015
We show that the ratio of galaxies' specific star formation rates (SSFRs) to their host halos' specific mass accretion rates (SMARs) strongly constrains how the galaxies' stellar masses, specific star formation rates, and host halo masses evolve over ...
Behroozi, Peter S., Silk, Joseph
core   +2 more sources

The stellar mass function at low luminosities [PDF]

Monthly Notices of the Royal Astronomical Society, 1987
On combine les etudes les plus recentes sur la fonction luminosite stellaire pour deriver la fonction masse d'etoiles de masse 1,0M/M○.0 ...
openaire   +1 more source

Peptide‐based ligand antagonists block a Vibrio cholerae adhesin

FEBS Letters, EarlyView.
The structure of a peptide‐binding domain of the Vibrio cholerae adhesin FrhA was solved by X‐ray crystallography, revealing how the inhibitory peptide AGYTD binds tightly at its Ca2+‐coordinated pocket. Structure‐guided design incorporating D‐amino acids enhanced binding affinity, providing a foundation for developing anti‐adhesion therapeutics ...
Mingyu Wang, Grace Du, Charity Yongo‐Luwawa, Angelina Lu, Brett Kinrade, Kim Munro, Karl E. Klose, William D. Lubell, Peter Davies, Shuaiqi Guo   +9 more
wiley   +1 more source