A spectrophotometric catalogue of HII galaxies

We present a spectrophotometric catalogue of 90 emission-line galaxies (ELGs) discovered during an objective - prism survey that aimed to search for dwarf galaxies within the voids (Popescu et al. 1996, 1998). The paper presents line ratios, equivalent widths and absolute fluxes for the emission-lines seen in the spectra of the galaxies. A list of newly discovered Wolf-Rayet galaxies is presented. Many objects included in the catalogue have low metallicity and the extreme cases are proposed as candidates for very low metallicity galaxies.Comment: 14 pages, to appear in Astronomy and Astrophysics Suppl. Serie

These things add up

These Things Add Up explores thoughts about time, accumulation and evidence. As time passes, there is a constant accumulation of tangible and non-tangible information which must be processed. Moments, conversations, thoughts, observations and sensations all contribute to this saturation of information and the creation of a layered space and time. Information which is consciously or unconsciously selected for notice becomes evidence of identity and personal history. In this same process, memory and the anticipation of the future are incorporated into the present

Seismic response to evolving injection at the Rotokawa geothermal field, New Zealand

Catalogs of microseismicity are routinely compiled at geothermal reservoirs and provide valuable insights into reservoir structure and fluid movement. Hypocentral locations are typically used to infer the orientations of structures and constrain the extent of the permeable reservoir. However, frequency-magnitude distributions may contain additional, and underused, information about the distribution of pressure. Here, we present a four-year catalog of seismicity for the Rotokawa geothermal field in the central Taupō Volcanic Zone, New Zealand starting two years after the commissioning of the 140 MWe Nga Awa Purua power station. Using waveform-correlation-based signal detection we double the size of the previous earthquake catalog, refine the location and orientation of two reservoir faults and identify a new structure. We find the rate of seismicity to be insensitive to major changes in injection strategy during the study period, including the injectivity decline and shift of injection away from the dominant injector, RK24. We also map the spatial distribution of the earthquake frequency-magnitude distribution, or b-value, and show that it increases from ∼1.0 to ∼1.5 with increasing depth below the reservoir. As has been proposed at other reservoirs, we infer that these spatial variations reflect the distribution of pressure in the reservoir, where areas of high b-value correspond to areas of high pore-fluid pressure and a broad distribution of activated fractures. This analysis is not routinely conducted by geothermal operators but shows promise for using earthquake b-value as an additional tool for reservoir monitoring and management

The Effects of a Brief Yoga Intervention on Psychologic and Physiologic Measures in Women Recovering from Substance Abuse Disorders

Women are the fastest-growing population experiencing substance use disorders (SUDs) in the United States. Multiple barriers e.g., mental health disorders, reduced self-efficacy, lack of social support have been identified and negatively impact acute and sustainable recovery efforts. The aim of this project was to evaluate the effects of yoga on mood status, biometrics, and self-efficacy toward yoga in a cohort at The Next Door, a substance abuse treatment center for women only. This was a quasi-experimental research approach with 14 women completing a total of 8 weekly yoga sessions over a ten-week period. Appropriate demographic data was collected. Measurements were obtained with a pretest/posttest method using validated tools. All participants reported co-occurring mental health disorders and addiction to alcohol, illicit drugs, or both. Statistically significant improvements were noted in mood status, self-efficacy, and diastolic blood pressure measurements. Findings from this project substantiate results from similar studies and may offer insight into future research. Improving mood states and self-efficacy through yoga addresses identified barriers to treatment and may promote sustainable recovery efforts. More research is needed to identify which yoga parameters are most beneficial for this population e.g., phase of recovery, frequency of participation, type of yoga practice. Keywords: women, addiction, recovery, yoga, barriers, depression, anxiety, self-efficac