Lupus i observations from the 2010 flight of the balloon-borne large aperture submillimeter telescope for polarimetry

Tristan G. Matthews, Peter A.R. Ade, Francesco E. Angilè, Steven J. Benton, Edward L. Chapin, Nicholas L. Chapman, Mark J. Devlin, Laura M. Fissel, Yasuo Fukui, Natalie N. Gandilo, Joshua O. Gundersen, Peter C. Hargrave, Jeffrey Klein, Andrei L. Korotkov, Lorenzo Moncelsi, Tony K. Mroczkowski, Calvin B. Netterfield, Giles Novak, David Nutter, Luca OlmiEnzo Pascale, Frédérick Poidevin, Giorgio Savini, Douglas Scott, Jamil A. Shariff, Juan Diego Soler, Kengo Tachihara, Nicholas E. Thomas, Matthew D.P. Truch, Carole E. Tucker, Gregory S. Tucker, Derek Ward-Thompson

Research output: Contribution to journalArticlepeer-review

34 Scopus citations


The Balloon-borne Large Aperture Submillimeter Telescope for Polarimetry (BLASTPol) was created by adding polarimetric capability to the BLAST experiment that was flown in 2003, 2005, and 2006. BLASTPol inherited BLAST's 1.8 m primary and its Herschel/SPIRE heritage focal plane that allows simultaneous observation at 250, 350, and 500 μm. We flew BLASTPol in 2010 and again in 2012. Both were long duration Antarctic flights. Here we present polarimetry of the nearby filamentary dark cloud Lupus I obtained during the 2010 flight. Despite limitations imposed by the effects of a damaged optical component, we were able to clearly detect submillimeter polarization on degree scales. We compare the resulting BLASTPol magnetic field map with a similar map made via optical polarimetry. (The optical data were published in 1998 by J. Rizzo and collaborators.) The two maps partially overlap and are reasonably consistent with one another. We compare these magnetic field maps to the orientations of filaments in Lupus I, and we find that the dominant filament in the cloud is approximately perpendicular to the large-scale field, while secondary filaments appear to run parallel to the magnetic fields in their vicinities. This is similar to what is observed in Serpens South via near-IR polarimetry, and consistent with what is seen in MHD simulations by F. Nakamura and Z. Li.

Original languageEnglish (US)
Article number116
JournalAstrophysical Journal
Issue number2
StatePublished - Apr 1 2014
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science


  • ISM: magnetic fields
  • stars: formation
  • techniques: polarimetric


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