Physics – Optics
Scientific paper
Aug 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aipc.1158..131k&link_type=abstract
EXOPLANETS AND DISKS: THEIR FORMATION AND DIVERSITY: Proceedings of the International Conference. AIP Conference Proceedings, V
Physics
Optics
Circumstellar Shells, Clouds, And Expanding Envelopes, Circumstellar Masers, Star Formation, X- And Gamma-Ray Telescopes And Instrumentation, General, Solar Nebula, Cosmogony
Scientific paper
We present high-resolution (0''.2) near-infrared images of the Herbig Ae/Be star LkHα 234 taken with the stellar coronagraphic camera CIAO (Coronagraphic Imager with Adaptive Optics) on the Subaru Telescope. We have observed LkHα 234, located in the NGC 7129 star formation region at 1.25 kpc, using the adaptive optics and the coronagraph. Near-infrared (J, H, K, L' and M' bands) images obtained reveal detailed circumstellar structures around LkHα 234. Six young stellar object (YSO) candidates are detected at 2''-10'' from LkHα 234, and four out of six candidates are identified for the first time. Our high-resolution imaging reveals the complex morphology of the reflection nebula which is located at approximately 3'' from LkHα 234 and extended more than 10'' toward the west. The newly found object in H and K bands may be the source of the reflection nebula.
Fukagawa Misato
Ito Yusuke
Kato Eri
Ootsubo Takafumi
Shibai Hiroshi
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