Disk Evolution Study Through Imaging of Nearby Young Stars (DESTINYS): The SPHERE view of the Orion star-forming region

被引:9
作者
Valegard, P. -G. [1 ]
Ginski, C. [2 ]
Derkink, A. [1 ]
Garufi, A. [3 ]
Dominik, C. [1 ]
Ribas, A. [4 ]
Williams, J. P. [5 ]
Benisty, M. [6 ]
Birnstiel, T. [7 ,8 ]
Facchini, S. [9 ]
Columba, G. [10 ,11 ]
Hogerheijde, M. [1 ,12 ]
van Holstein, R. G. [13 ]
Huang, J. [14 ]
Kenworthy, M. [12 ]
Manara, C. F. [15 ]
Pinilla, P. [16 ,17 ]
Rab, Ch. [7 ,18 ]
Sulaiman, R. [19 ]
Zurlo, A. [20 ,21 ]
机构
[1] Univ Amsterdam, Anton Pannekoek Inst Astron API, Sci Pk 904, NL-1098 XH Amsterdam, Netherlands
[2] Univ Galway, Sch Nat Sci, Ctr Astron, Galway H91 CF50, Ireland
[3] INAF, Osservatorio Astrofis Arcetri, I-50125 Florence, Italy
[4] Univ Cambridge, Inst Astron, Madingley Rd, Cambridge CB3 0HA, England
[5] Univ Hawaii, Inst Astron, Honolulu, HI 96822 USA
[6] Univ Grenoble Alps, CNRS, IPAG, F-38000 Grenoble, France
[7] Ludwig Maximilians Univ Munchen, Univ Observ, Fac Phys, Scheinerstr 1, D-81679 Munich, Germany
[8] Exzellenzcluster ORIGINS, Boltzmannstr 2, D-85748 Garching, Germany
[9] Univ Milan, Dipartimento Fis, Via Celoria 16, I-20133 Milan, Italy
[10] Univ Padua, Dept Phys & Astron Galileo Galilei, Vicolo dellOsservatorio 3, I-35122 Padua, Italy
[11] INAF Osservatorio Astronom Padova, Vicolo Osservatorio 5, I-35122 Padua, Italy
[12] Leiden Univ, Leiden Observ, Niels Bohrweg 2, NL-2333 CA Leiden, Netherlands
[13] European Southern Observ, Alonso Cordova 3107,Casilla 19001, Santiago, Chile
[14] Columbia Univ, Dept Astron, 538 W 120th St,Pupin Hall, New York, NY 10027 USA
[15] European Southern Observ, Karl Schwarzschild Str 2, D-85748 Garching, Germany
[16] Max Planck Inst Astron, Konigstuhl 17, D-69117 Heidelberg, Germany
[17] Univ Coll London, Mullard Space Sci Lab, Holmbury St Mary, Dorking RH5 6NT, Surrey, England
[18] Max Planck Inst Extraterr Phys, Giessenbach Str 1, D-85748 Garching, Germany
[19] Amer Univ Beirut, Dept Phys, POB 11-0236, Beirut 110972020, Lebanon
[20] Univ Diego Port, Inst Estudios Astrofis, Fac Ingn & Ciencias, Ejercito Libertador 441, Santiago, Chile
[21] Univ Diego Portales, Fac Ingn & Ciencias, Escuela Ingn Ind, Ave Ejercito Libertador 441, Santiago, Chile
基金
荷兰研究理事会; 欧洲研究理事会;
关键词
protoplanetary disks; stars: individual: V351 Ori; stars: pre-main sequence; CIDA VARIABILITY SURVEY; T TAURI STARS; PROTOPLANETARY DISKS; EXTERNAL PHOTOEVAPORATION; TRANSITION DISK; STELLAR OBJECTS; MASS COMPANION; SPIRAL ARMS; ALMA SURVEY; PLANET;
D O I
10.1051/0004-6361/202347452
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Context. Resolved observations at near-infrared (near-IR) and millimeter wavelengths have revealed a diverse population of planet-forming disks. In particular, near-IR scattered light observations usually target close-by, low-mass star-forming regions. However, disk evolution in high-mass star-forming regions is likely affected by the different environment. Orion is the closest high-mass star-forming region, enabling resolved observations to be undertaken in the near-IR. Aims. We seek to examine planet-forming disks, in scattered light, within the high-mass star-forming region of Orion in order to study the impact of the environment in a higher-mass star-forming region on disk evolution. Methods. We present SPHERE/IRDIS H-band data for a sample of 23 stars in the Orion star-forming region observed within the DESTINYS (Disk Evolution Study Through Imaging of Nearby Young Stars) program. We used polarization differential imaging in order to detect scattered light from circumstellar dust. From the scattered light observations we characterized the disk orientation, radius, and contrast. We analysed the disks in the context of the stellar parameters and the environment of the Orion star-forming region. We used ancillary X-shooter spectroscopic observations to characterize the central stars in the systems. We furthermore used a combination of new and archival ALMA mm-continuum photometry to characterize the dust masses present in the circumstellar disks. Results. Within our sample, we detect extended circumstellar disks in ten of 23 systems. Of these, three are exceptionally extended (V351 Ori, V599 Ori, and V1012 Ori) and show scattered light asymmetries that may indicate perturbations by embedded planets or (in the case of V599 Ori) by an outer stellar companion. Our high-resolution imaging observations are also sensitive to close (sub)stellar companions and we detect nine such objects in our sample, of which six were previously unknown. We find in particular a possible substellar companion (either a very low-mass star or a high-mass brown dwarf) 137 au from the star RY Ori. We find a strong anticorrelation between disk detection and multiplicity, with only two of our ten disk detections located in stellar multiple systems. We also find a correlation between scattered light contrast and the millimeter flux. This trend is not captured by previous studies of a more diversified sample and is due to the absence of extended, self-shadowed disks in our Orion sample. Conversely, we do not find significant correlations between the scattered light contrast of the disks and the stellar mass or age. We investigate the radial extent of the disks and compare this to the estimated far-ultraviolet (FUV) field strength at the system location. While we do not find a direct correlation, we notice that no extended disks are detected above an FUV field strength of similar to 300 G(0).
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页数:17
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