<P>We present continuum observations at lambda = 1.3 and 2.7 mm using the Combined Array for Research in Millimeter-wave Astronomy toward six protoplanetary disks in the Taurus molecular cloud: CI Tau, DL Tau, DO Tau, FT Tau, Haro 6-13, and HL T...
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https://www.riss.kr/link?id=A107480277
2015
-
SCI,SCIE,SCOPUS
학술저널
102
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
<P>We present continuum observations at lambda = 1.3 and 2.7 mm using the Combined Array for Research in Millimeter-wave Astronomy toward six protoplanetary disks in the Taurus molecular cloud: CI Tau, DL Tau, DO Tau, FT Tau, Haro 6-13, and HL T...
<P>We present continuum observations at lambda = 1.3 and 2.7 mm using the Combined Array for Research in Millimeter-wave Astronomy toward six protoplanetary disks in the Taurus molecular cloud: CI Tau, DL Tau, DO Tau, FT Tau, Haro 6-13, and HL Tau. We constrain physical properties of the disks with Bayesian inference using two disk models: the flared power-law disk model and flared accretion disk model. Comparing the physical properties, we find that the more extended disks are less flared and that the dust opacity spectral index (beta) is smaller in the less massive disks. In addition, disks with a steeper mid-plane density gradient have a smaller beta, which suggests that grains grow and radially move. Furthermore, we compare the two disk models quantitatively and find that the accretion disk model provides a better fit overall. We also discuss the possibilities of substructures on three extended protoplanetary disks.</P>
RADIAL VELOCITY VARIABILITY OF FIELD BROWN DWARFS
NEAR-INFRARED EXTINCTION DUE TO COOL SUPERNOVA DUST IN CASSIOPEIA A
MEASURING INFRARED SURFACE BRIGHTNESS FLUCTUATION DISTANCES WITHHSTWFC3: CALIBRATION AND ADVICE