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First VLTI/GRAVITY Observations of HIP 65426 b: Evidence for a Low or Moderate Orbital Eccentricity
S. Blunt, W. O. Balmer, J. J. Wang +95
Giant exoplanets have been directly imaged over orders of magnitude of orbital separations, prompting theoretical and observational investigations of their formation pathways. In t…
Constraining the Nature of the PDS 70 Protoplanets with VLTI/GRAVITY
J. J. Wang, A. Vigan, S. Lacour +101
We present K-band interferometric observations of the PDS 70 protoplanets along with their host star using VLTI/GRAVITY. We obtained K-band spectra and 100 as precision astromet…
A resolved and asymmetric ring of PAHs within the young circumstellar disk of IRS 48
Guillaume Schworer, Sylvestre Lacour, Nuria Huélamo +6
For one decade, the spectral-type and age of the Oph object IRS-48 were subject to debates and mysteries. Modelling its disk with mid-infrared to millimeter observations led to…
Hot exozodiacal dust resolved around Vega with IOTA/IONIC
D. Defrère, O. Absil, J. -C. Augereau +10
Although debris discs have been detected around a significant number of main-sequence stars, only a few of them are known to harbour hot dust in their inner part where terrestrial…
Search for Life on Exoplanets: Toward an International Institutional Coordination
Jean Schneider, Vincent Coude du Foresto, Marc Ollivier
Searching for life in the universe will make use of several large space missions in the visible and thermal infrared, each with increasing spectral and angular resolution. They wil…