Results 121 to 130 of about 266,062 (301)

Spaceborne and spaceborn: Physiological aspects of pregnancy and birth during interplanetary flight

open access: yesExperimental Physiology, EarlyView.
Abstract Crewed interplanetary return missions that are on the planning horizon will take years, more than enough time for initiation and completion of a pregnancy. Pregnancy is viewed as a sequence of processes – fertilization, blastocyst formation, implantation, gastrulation, placentation, organogenesis, gross morphogenesis, birth and neonatal ...
Arun V. Holden
wiley   +1 more source

Green Peas in the Southern Sky: Broadband Color Selection and Spectroscopic Follow-up

open access: yesThe Astrophysical Journal
We present a systematic search for 1696 green pea (GP) galaxy candidates in the southern hemisphere selected from the Dark Energy Survey Data Release 2 and provide preliminary results from spectroscopic follow-up observations of 26 targets chosen among ...
Yejin Jeong   +3 more
doaj   +1 more source

Blueberry galaxies: the lowest mass young starbursts

open access: yes, 2017
Searching for extreme emission line galaxies allows us to find low-mass metal-poor galaxies that are good analogs of high redshift Ly$\alpha$ emitting galaxies.
Malhotra, Sangeeta   +3 more
core   +1 more source

THE PROPERTIES OF Hα EMISSION-LINE GALAXIES AT z = 2.24 [PDF]

open access: yes, 2014
Using deep narrowband H2S1 and Ks-band imaging data obtained with CFHT/WIRCam, we identify a sample of 56 Hα emission-line galaxies (ELGs) at z = 2.24 with the 5σ depths of H2S1 = 22.8 and Ks = 24.8 (AB) over a 383 arcmin2 area in the Extended Chandra ...
F. An   +11 more
semanticscholar   +1 more source

Evaluation of Zinc Borate and Melamine Polyphosphate Synergy on the Rheological, Thermal, Mechanical, Dimensional, and Flame Retardant Performance of rLLDPE/CaCO3 Composites for Pipes Applications

open access: yesJournal of Applied Polymer Science, Volume 143, Issue 8, February 20, 2026.
A synergistic flame retardant containing melamine polyphosphate and zinc borate was prepared and applied to provide rLLDPE/CaCO3 composites with superior flame retardancy. ABSTRACT The use of recycled thermoplastics is crucial for addressing environmental challenges such as waste management and sustainability.
Antonio Benjamim Mapossa   +2 more
wiley   +1 more source

Highly Efficient Identification of Extreme Emission-line Galaxies in the Local Universe: >8000 New Green Pea Candidates at 0.12 < z < 0.36

open access: yesThe Astrophysical Journal Supplement Series
The currently known compact extreme emission-line galaxies (the “Green Peas” (GPs)) in the Sloan Digital Sky Survey (SDSS) are rare and were mostly found among serendipitous spectroscopic targets, thus leaving open the possibility that a substantial ...
Heather Samonski   +2 more
doaj   +1 more source

An investigation of the luminosity-metallicity relation for a large sample of low-metallicity emission-line galaxies

open access: yes, 2009
(abridged) We present 8.2m VLT spectroscopic observations of 28 HII regions in 16 emission-line galaxies and 3.6m ESO telescope spectroscopic observations of 38 HII regions in 28 emission-line galaxies.
Abazajian   +59 more
core   +1 more source

Spectral Classification of Galaxies Along the Hubble Sequence [PDF]

open access: yes, 1995
We develop a straightforward and quantitative two-step method for spectroscopically classifying galaxies from the low signal-to-noise (S/N) optical spectra typical of galaxy redshift surveys. First, using \chi^2-fitting of characteristic templates to the
Willick, Jeffrey A.   +2 more
core   +2 more sources

A search for double-peaked narrow emission line galaxies and AGNs in the LAMOST DR1 [PDF]

open access: yes, 2014
The Large Sky Area Multi-Object Fiber Spectroscopic Telescope (LAMOST) has released more than two million spectra, which provide the opportunity to search for double-peaked narrow emission line (NEL) galaxies and active galactic nuclei (AGNs). The double-
Zhixin Shi   +17 more
semanticscholar   +1 more source

Search for Emission Line Galaxies Towards nearby Voids [PDF]

open access: yesSymposium - International Astronomical Union, 1996
Recent redshift surveys of galaxies (e.g. the Center for Astrophysics Survey (CfA)), revealed that bright galaxies are distributed in sheet-like structures which surround large voids. Still under debate is the question whether all galaxies follow such a distribution or if less luminous galaxies are more equally distributed.
C. C. Popescu, U. Hopp, H. Elsässer
openaire   +1 more source

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