Edwin Fremont Ladd

Publications

In Refereed Journals

• Beam Size, Shape, and Efficiencies for the ATNF Mopra Radio Telescope at 86-115 GHz
  Ned Ladd, Cormac Purcell, Tony Wong, and Stuart Robertson
  Proceedings of the Astronomical Society of Australia, Volume 22, in press (2005) preprint

• On the Relative Abundance of C¹⁸O and C¹⁷O in the Taurus Molecular Cloud
  Ladd, E. F.
  The Astrophysical Journal, 610:320 (2004) online paper

• The Evolution of The Circumstellar Environment of Embedded Young Stars
  Fuller, G. A., and Ladd, E. F.
  The Astrophysical Journal, 573:699 (2002) online paper

• Thermally-Dominated Carbon Monoxide Emission in the Taurus Molecular Cloud Complex
  Ladd, E. F., and Covey, K. R.
  The Astrophysical Journal, 536:380 (2000) online paper

• Hot Molecular Bullets in HH 111 and Cep E
  Hatchell, J., Fuller, G. A., and Ladd, E. F.
  Astronomy & Astrophysics, 346:278 (1999) online paper

• Temperature Predictions for Protostellar Outflows
  Hatchell, J., Fuller, G. A., and Ladd, E. F.
  Astronomy & Astrophysics, 344:687 (1998) online paper

• C¹⁸O and C¹⁷O Observations of Embedded Young Stars in the Taurus Molecular Cloud. I. Integrated Intensities and Column Densities
  Ladd, E. F., Fuller, G. A., and Deane, J. R.
  The Astrophysical Journal, 495:871 (1998) online paper

• A Double Outflow from a Deeply Embedded Source in Cepheus
  Ladd, E. F., and Hodapp, K.-W.
  The Astrophysical Journal 474:749 (1997) online paper

• An Outburst of a Deeply Embedded Star in Serpens
  Hodapp, K.-W., Hora, J. L., Rayner, J. T., Pickles, A. J., and Ladd, E. F.
  The Astrophysical Journal, 468:861 (1996) online paper

• Lynds 1527: An Embedded Protobinary System in Taurus
  Fuller, G. A., Ladd, E. F., and Hodapp, K.-W.
  The Astrophysical Journal (Letters), 463:L97 (1996) abstract
  

• Giant Molecular Cloud Complexes with Optical HII Regions: ¹²CO and ¹³CO Observations and Global Cloud Properties
  Heyer, M. H., Carpenter, J. M., and Ladd, E. F.
  The Astrophysical Journal, 463:630 (1996) abstract
  

• The Molecular Core Associated with L1551-IRS 5
  Fuller, G. A., Ladd, E. F., Padman, R., Myers, P. C., and Adams, F. C.
  The Astrophysical Journal, 454:862 (1995) abstract
  

• Bipolar Jets from Extremely Young Stars Observed in Molecular Hydrogen Emission
  Hodapp, K.-W., and Ladd, E. F.
  The Astrophysical Journal, 453:715 (1995) abstract
  

• Bolometric Temperature and Young Stars in the Taurus and Ophiuchus Complexes
  Chen, H., Myers, P. C., Ladd, E. F., and Wood, D. O. S.
  The Astrophysical Journal, 445:337 (1995) abstract
  

• Spatially Resolved Submillimeter Continuum Emission Toward L1551-IRS 5
  Ladd, E. F., Fuller, G. A., Padman, R., Myers, P. C., and Adams, F. C.
  The Astrophysical Journal, 439:771 (1995) abstract
  

• A Multitransitional Study of the Cepheus C Cloud Core
  Heyer, M. H., and Ladd, E. F.
  The Astrophysical Journal, 439:269 (1995) abstract
  

• Dense Cores in Dark Clouds. X. Ammonia Emission in the Perseus Molecular Cloud Complex
  Ladd, E. F., Myers, P. C., and Goodman, A. A.
  The Astrophysical Journal,433:117 (1994) abstract
  

• Luminous Radio-Quiet Sources in W3(Main)
  Ladd, E. F., Deane, J. R., Sanders, D. B., and Wynn-Williams, C. G.
  The Astrophysical Journal, 419:186 (1993) abstract
  

• Bolometric Temperatures of Young Stellar Objects
  Myers, P. C., and Ladd, E. F.
  The Astrophysical Journal (Letters), 413:L47 (1993) abstract
  

• An Infrared Survey for Embedded Young Stars in the Perseus Molecular Cloud Complex
  Ladd, E. F., Lada, E. A., and Myers, P. C.
  The Astrophysical Journal, 410:168 (1993) abstract
  

• Far-Infrared and Submillimeter Wavelength Observations of Star-Forming Dense Cores. II.~Spatial~Structure
  Ladd, E. F., Adams, F. C., Casey, S., Davidson, J. A., Fuller, G. A., Harper, D. A., Myers, P. C., and Padman, R.
  The Astrophysical Journal, 382:555 (1991) abstract
  

• Thermal and Nonthermal Motions in Dense Cores
  Myers, P. C., Ladd, E. F., and Fuller, G. A.
  The Astrophysical Journal (Letters), 372:L95 (1991) abstract
  

• Far-Infrared and Submillimeter Wavelength Observations of Star-Forming Dense Cores. I. Spectra
  Ladd, E. F., Adams, F. C., Casey, S., Davidson, J. A., Fuller, G. A., Harper, D. A., Myers, P. C., and Padman, R.
  The Astrophysical Journal, 366:203 (1991) abstract
  

• Infrared and Optical Imaging of Newborn Stars
  Heyer, M. H., Ladd, E. F., Myers, P. C., and Campbell, B. G.
  The Astronomical Journal, 99:1585 (1990) abstract
  

• High-Frequency Oscillations in the Corona Observed at the 1983 Eclipse
  Pasachoff, J. M. and Ladd, E. F.
  Solar Physics, 109:365 (1987) abstract
  

• Simultaneous Measurements of Sunspot Umbral Oscillations in the Photosphere, Chromosphere, and Transition Regions
  Thomas, J. H., Lites, B. W., Gurman, J. B., and Ladd, E. F.
  The Astrophysical Journal, 312:457 (1987) abstract