Search Results - "Vacca, W. D."

Refine Results
  1. 1

    Characterizing the PAH emission in the Orion Bar by Knight, C, Peeters, E, Tielens, A G G M, Vacca, W D

    “…ABSTRACT We present 5–14 $\mu$m spectra at two different positions across the Orion Bar photodissociation region (PDR) obtained with the Infrared Spectrograph…”
    Get full text
    Journal Article
  2. 2

    Tracing PAH Size in Prominent Nearby Mid-Infrared Environments by Knight, C., Peeters, E., Stock, D. J., Vacca, W. D., Tielens, A. G. G. M.

    Published in The Astrophysical journal (01-09-2021)
    “…Abstract We present observations from the First Light Infrared TEst CAMera (FLITECAM) on board the Stratospheric Observatory for Infrared Astronomy, the…”
    Get full text
    Journal Article
  3. 3

    The Mauna Kea Observatories Near‐Infrared Filter Set. III. Isophotal Wavelengths and Absolute Calibration by Tokunaga, A. T., Vacca, WD.

    “…The isophotal wavelengths, flux densities, and AB magnitudes for Vega (α Lyr) are presented for the Mauna Kea Observatories near‐infrared filter set. We show…”
    Get full text
    Journal Article
  4. 4

    SOFIA/FIFI-LS Full-disk [C ii] Mapping and CO-dark Molecular Gas across the Nearby Spiral Galaxy NGC 6946 by Bigiel, F., Looze, I. de, Krabbe, A., Cormier, D., Barnes, A. T., Fischer, C., Bolatto, A. D., Bryant, A., Colditz, S., Geis, N., Herrera-Camus, R., Iserlohe, C., Klein, R., Leroy, A. K., Linz, H., Looney, L. W., Madden, S. C., Poglitsch, A., Stutzki, J., Vacca, W. D.

    Published in The Astrophysical journal (01-11-2020)
    “…We present SOFIA/FIFI-LS observations of the [C ii] 158 m cooling line across the nearby spiral galaxy NGC 6946. We combine these with UV, IR, CO, and H i data…”
    Get full text
    Journal Article
  5. 5

    A census of the Wolf-Rayet content in Westerlund 1 from near-infrared imaging and spectroscopy by Crowther, Paul A., Hadfield, L. J., Clark, J. S., Negueruela, I., Vacca, W. D.

    “…New Technology Telescope (NTT)/Son of Isaac (SOFI) imaging and spectroscopy of the Wolf-Rayet population in the massive cluster Westerlund 1 are presented…”
    Get full text
    Journal Article
  6. 6

    The Host Galaxy of GRB 031203: Implications of Its Low Metallicity, Low Redshift, and Starburst Nature by Prochaska, Jason X, Bloom, Joshua S, Chen, Hsiao-Wen, Hurley, Kevin C, Melbourne, Jason, Dressler, Alan, Graham, James R, Osip, David J, Vacca, W. D

    Published in The Astrophysical journal (10-08-2004)
    “…We present Keck/NIRSPEC near-IR images and Magellan/IMACS optical spectroscopy of the host galaxy of GRB 031203. The host is an actively star-forming galaxy at…”
    Get full text
    Journal Article
  7. 7

    SpeX: A Medium‐Resolution 0.8–5.5 Micron Spectrograph and Imager for the NASA Infrared Telescope Facility by Rayner, J. T., Toomey, D. W., Onaka, P. M., Denault, A. J., Stahlberger, W. E., Vacca, WD., Cushing, M. C., Wang, S.

    “…We present the design, construction, and performance of SpeX, a medium‐resolution 0.8–5.5 μm cryogenic spectrograph and imager, now in operation at the 3.0 m…”
    Get full text
    Journal Article
  8. 8
  9. 9

    Ophiuchus 1622–2405: Not a Planetary-Mass Binary by Luhman, K. L, Allers, K. N, Jaffe, D. T, Cushing, M. C, Williams, K. A, Slesnick, C. L, Vacca, W. D

    Published in The Astrophysical journal (20-04-2007)
    “…We present an analysis of the mass and age of the young low-mass binary Oph 1622-2405. Using resolved optical spectroscopy of the binary, we measure spectral…”
    Get full text
    Journal Article
  10. 10

    Low Carbon Abundance in Type Ia Supernovae by Marion, G. H, Höflich, P, Wheeler, J. C, Robinson, E. L, Gerardy, C. L, Vacca, W. D

    Published in The Astrophysical journal (10-07-2006)
    “…We investigate the quantity and composition of unburned material in the outer layers of three normal Type Ia supernovae (SNe Ia): 2000dn, 2002cr, and 2004bw…”
    Get full text
    Journal Article
  11. 11

    Probing the Atmospheric Precipitable Water Vapor with SOFIA. II. Atmospheric Models from ECMWF by Iserlohe, C., Fischer, C., Vacca, W. D., Fischer, N., Colditz, S., Krabbe, A.

    “…Abstract SOFIA is an airborne observatory for far-infrared astronomy. Although SOFIA flies at altitudes of ∼41,000 feet, any far-infrared observations from…”
    Get full text
    Journal Article
  12. 12
  13. 13
  14. 14

    Probing the Atmospheric Precipitable Water Vapor with SOFIA, Part. IV. Water Vapor Estimates from FORCAST Grism Spectra by Vacca, W. D., Iserlohe, C., Shenoy, S., Clarke, M., Fischer, C., Thorpe, A., Chambers, E.

    “…Abstract SOFIA was an airborne observatory for far-infrared astronomy stationed at the Armstrong Flight Research Center in Palmdale, CA, USA. Although SOFIA…”
    Get full text
    Journal Article
  15. 15

    Space Telescope Imaging Spectrograph Ultraviolet/Optical Spectroscopy of "Warm" Ultraluminous Infrared Galaxies by Farrah, D, Surace, JA, Veilleux, S, Sanders, D B, Vacca, W D

    Published in The Astrophysical journal (10-06-2005)
    “…We present high spatial resolution ultraviolet and optical spectroscopy, obtained using the Space Telescope Imaging Spectrograph on board the Hubble Space…”
    Get full text
    Journal Article
  16. 16

    Status of the Stratospheric Observatory for Infrared Astronomy (SOFIA) by Gehrz, R.D., Becklin, E.E., de Buizer, J., Herter, T., Keller, L.D., Krabbe, A., Marcum, P.M., Roellig, T.L., Sandell, G.H.L., Temi, P., Vacca, W.D., Young, E.T., Zinnecker, H.

    Published in Advances in space research (15-09-2011)
    “…The Stratospheric Observatory for Infrared Astronomy (SOFIA), a joint US/German project, is a 2.5-m infrared airborne telescope carried by a Boeing 747-SP that…”
    Get full text
    Journal Article
  17. 17
  18. 18
  19. 19

    Data Reduction and Early Science Calibration for FORCAST, A Mid-Infrared Camera for SOFIA by Herter, T. L., Vacca, W. D., Adams, J. D., Keller, L. D., Schoenwald, J., Hirsch, L., Wang, J., De Buizer, J. M., Helton, L. A., Llorens, M. C.

    “…FORCAST is a mid-infrared (5-40 μm) facility instrument for the Stratospheric Observatory for Infrared Astronomy (SOFIA). After achieving first light flight in…”
    Get full text
    Journal Article
  20. 20