Figure 5 from The Gray Needle: Large Grains in the HD 15115 Debris Disk from LBT/PISCES/Ks and LBTI/LMIRcam/L′ Adaptive Optics Imaging

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The Gray Needle: Large Grains in the HD 15115 Debris Disk from LBT/PISCES/Ks and LBTI/LMIRcam/L′ Adaptive Optics Imaging

Authors: Timothy J. Rodigas, Philip M. Hinz, Jarron Leisenring, Vidhya Vaitheeswaran, Andrew J. Skemer, Michael Skrutskie, Kate Y. L. Su, Vanessa Bailey, Glenn Schneider, Laird Close, Filippo Mannucci, Simone Esposito, Carmelo Arcidiacono, Enrico Pinna, Javier Argomedo, Guido Agapito, Daniel Apai, Giuseppe Bono, Kostantina Boutsia, Runa Briguglio, Guido Brusa, Lorenzo Busoni, Giovanni Cresci, Thayne Currie, Silvano Desidera, Josh Eisner, Renato Falomo, Luca Fini, Kate Follette, Adriano Fontana, Peter Garnavich, Raffaele Gratton, Richard Green, Juan Carlos Guerra, J. M. Hill, William F. Hoffmann, Terry J. Jones, Megan Krejny, Craig Kulesa, Jared Males, Elena Masciadri, Dino Mesa, Don McCarthy, Michael Meyer, Doug Miller, Matthew J. Nelson, Alfio Puglisi, Fernando Quiros-Pacheco, Armando Riccardi, Eleonora Sani, Paolo Stefanini, Vincenzo Testa, John Wilson, Charles E. Woodward, and Marco Xompero

Rodigas et al. 2012 The Astrophysical Journal 752 57.

Provider: AAS Journals

Caption: Figure 5.

(a) SB profile of the disk at the Ks band. The western side of the disk is ~a magnitude arcsec ⁻² brighter than the eastern side at the Ks band over the same stellocentric distances. The western SB profile shows a ~2σ drop off in SB near 1''–1 farcs 2. This cannot simply be explained by flux loss due to disk self-subtraction, since this has been corrected for. Note that the horizontal spacing between data points is 1 pixel (0 farcs 0194), but the aperture used for the calculations is 0 farcs 15 in radius. (b) SB profile of the disk at L′. Both sides of the disk are ~equally bright beyond 1 farcs 2, and just as in the Ks-band image there is low S/N evidence for a decrease/flattening in SB near 1''–1 farcs 2. Note that the horizontal spacing between data points is 1 pixel (0 farcs 0428), but the aperture used for the calculations is 0 farcs 15 in radius.

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