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Spectroscopy of Free-floating Planetary-mass Objects and Their Disks with JWST

  • Authors: Belinda Damian, Aleks Scholz, Ray Jayawardhana, V. Almendros-Abad, Laura Flagg, Koraljka Mužić, Antonella Natta, Paola Pinilla, Leonardo Testi

Belinda Damian et al 2025 The Astronomical Journal 170 .

  • Provider: AAS Journals

Caption: Figure 1.

A K − 4.5 μm color–magnitude diagram highlighting the location of our objects observed with JWST along with the distribution of low-mass members from the σ Orionis (B. Damian et al. 2023b) and Chamaeleon I (T. L. Esplin et al. 2017) star-forming regions of a similar age. The magnitudes are in absolute scale, transformed using their respective extinction and distance to the cluster (see Table 1 for values). The black and red curves show the 2 Myr isochrones from I. Baraffe et al. (2015) and M. W. Phillips et al. (2020), respectively. Masses corresponding to the K-band magnitudes are on the right.

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