Aldo Zapparata

NGTS-39 b: a 58 d transiting warm Jupiter in an eccentric orbit

Ioannis Apergis, Daniel Bayliss, Soléne Ulmer-Moll, S Gill et autres

ABSTRACT We report the discovery and characterization of NGTS-39 b (TIC 453147896 b), a warm Jupiter transiting a Sun-like star on a 58.2 d, eccentric (e = $0.386\pm 0.019$) orbit. NGTS-39 b was first identified from a Transiting Exoplanet Survey Satellite single …

gb, nl, us, at, ch, es, rs, fr, cl, pt, hu (code pays fourni par la source)

NGTS-39 b: A 58 d transiting warm Jupiter in an eccentric orbit

Ioannis Apergis, Daniel Bayliss, Solène Ulmer-Moll, S Gill et autres

We report the discovery and characterisation of NGTS-39 b (TIC 453147896 b), a warm Jupiter transiting a Sun-like star on a 58.2 day, eccentric (e = 0.386 +/- 0.019) orbit. NGTS-39 b was first identified from a TESS single-transit event, and subsequently …

NGTS-39 b: A 58 d transiting warm Jupiter in an eccentric orbit

Ioannis Apergis, Daniel Bayliss, Solène Ulmer-Moll, S Gill et autres

We report the discovery and characterisation of NGTS-39 b (TIC 453147896 b), a warm Jupiter transiting a Sun-like star on a 58.2 day, eccentric (e = 0.386 +/- 0.019) orbit. NGTS-39 b was first identified from a TESS single-transit event, and subsequently …

gb, br, us, at, ch, nl, it, fr, es, cl, pt, pl (code pays fourni par la source)

ASTEP confirmation of a pair of long-period Jupiter-sized planets with extremely low densities transiting TOI-791

Georgina Dransfield, Antoine C. Petit, Amaury H. M. J. Triaud, Tristan Guillot et autres

Gas giant planets with periods $20~<~P~<~300~\rm days$ orbiting Sun-like stars are a relatively uncommon outcome of planetary formation, and key questions about the nature and formation of this sub-population remain unanswered. Theoretical models for the location of their formation (in- or ex-situ) …

TIC-65910228 b / NGTS-38 b, a 180 d transiting warm super-Jupiter

Toby Rodel, Soléne Ulmer-Moll, S Gill, C A Watson et autres

ABSTRACT We present the discovery of TIC-65910228 b / NGTS-38 b, a giant exoplanet with a radius of $1.081\pm 0.047$ RJ and a mass of $4.77_{-0.37}^{+0.39}$ MJ on a long-period ($180.52797\pm 0.00036$ d), moderately eccentric (e = $0.3086\pm 0.010$) orbit transiting a …

gb, ch, nl, es, us, cl, be, br, ie, it, rs, ca, de, Afrique du Sud (code pays fourni par la source)

ASTEP confirmation of a pair of long-period Jupiter-sized planets with extremely low densities transiting TOI-791

Georgina Dransfield, Antoine C. Petit, A. H. M. J. Triaud, T. Guillot et autres

ABSTRACT Gas giant planets with periods $20~\lt ~P~\lt ~300~\rm d$ orbiting Sun-like stars are a relatively uncommon outcome of planetary formation, and key questions about the nature and formation of this subpopulation remain unanswered. Theoretical models for the location of their formation …

us, gb, fr, be, es, cl, nl, br, ch, rs, de, au, it, bg (code pays fourni par la source)

A Ground-based Transit Observation of the Long-period Extremely Low-density Planet HIP 41378 f

Juliana García‐Mejía, Zoë L. de Beurs, Patrick Tamburo, Andrew Vanderburg et autres

Abstract We present a ground-based transit detection of HIP 41378 f, a long-period ( P = 542 days), extremely low-density (0.09 ± 0.02 g cm −3 ) giant exoplanet in a dynamically complex system. Using photometry from Tierras , TRAPPIST-North, and multiple …

us, be, es, au, it, pl, fr, Maroc, gb, Afrique du Sud (code pays fourni par la source)

TIC-65910228 b / NGTS-38 b, a 180 day transiting warm super-Jupiter

Toby Rodel, Solène Ulmer-Moll, Samuel Gill, Christopher. A. Watson et autres

We present the discovery of TIC-65910228 b / NGTS-38 b, a giant exoplanet with a radius of $1.081\pm0.047$ R$_\text{J}$ and a mass of $4.78_{-0.37}^{+0.39}$ M$_\text{J}$ on a long-period ($180.52797\pm0.00036$ day), moderately eccentric ($e=0.3086\pm0.010$) orbit transiting a bright (V=$10.230\pm0.020$ mag) metal rich ([Fe/H]=$0.33\pm0.09$, …

NGTS-39 b: a 58 d transiting warm Jupiter in an eccentric orbit

Ioannis Apergis, Daniel Bayliss, Soléne Ulmer-Moll, Samuel Gill et autres

We report the discovery and characterization of NGTS-39 b (TIC 453147896 b), a warm Jupiter transiting a Sun-like star on a 58.2 d, eccentric (e = $0.386\pm 0.019$) orbit. NGTS-39 b was first identified from a Transiting Exoplanet Survey Satellite single transit …

A Ground-Based Transit Observation of the Long-Period Extremely Low-Density Planet HIP 41378 f

Juliana García‐Mejía, Zoë L. de Beurs, Patrick Tamburo, Andrew Vanderburg et autres

We present a ground-based transit detection of HIP 41378 f, a long-period ($P = 542$ days), extremely low-density ($0.09 \pm 0.02$ g cm$^{-3}$) giant exoplanet in a dynamically complex system. Using photometry from Tierras, TRAPPIST-North, and multiple LCOGT sites, we constrain the …

GJ 238 b: A 0.57 Earth Radius Planet Orbiting an M2.5 Dwarf Star at 15.2 pc

Evan Tey, Avi Shporer, Zifan Lin, Keivan G. Stassun et autres

Abstract We report the discovery of the transiting planet GJ 238 b, with a radius of 0.566 ± 0.014 R ⊕ (1.064 ± 0.026 times the radius of Mars) and an orbital period of 1.74 days. The transit signal was detected by …

us, gb, nz, cl (code pays fourni par la source)

A 1.55 R⊕ habitable-zone planet hosted by TOI-715, an M4 star near the ecliptic South Pole

Georgina Dransfield, Mathilde Timmermans, A. H. M. J. Triaud, M. Dévora-Pajares et autres

ABSTRACT A new generation of observatories is enabling detailed study of exoplanetary atmospheres and the diversity of alien climates, allowing us to seek evidence for extraterrestrial biological and geological processes. Now is therefore the time to identify the most unique planets to …

gb, be, es, us, ch, fr, nl, cn, mx, it, au (code pays fourni par la source)