ner_tags: O O O O O B-Organization I-Organization I-Organization I-Organization I-Organization B-Organization O B-Telescope O B-Grant O O B-Organization I-Organization I-Organization I-Organization O O O O B-Organization I-Organization O B-Organization O B-Grant O O O O O O B-Organization I-Organization I-Organization B-Organization O O B-Grant O B-Grant O O B-Organization I-Organization I-Organization O O O O O O O B-Survey I-Survey I-Survey I-Survey I-Survey B-Survey O O O O O B-Organization I-Organization I-Organization
tokens: Support was provided by the National Aeronautics and Space Administration (NASA) through HST grant GO-13787 from the Space Telescope Science Institute, which is operated by AURA, Inc., under NASA contract NAS5-26555. Support was also provided by the National Science Foundation (NSF) through grants AST-1210599 and AST-1312221 to the University of Arizona. This study used data products from the Southern H-Alpha Sky Survey Atlas (SHASSA), which is supported by the National Science Foundation.