HAT-P-18b (Q79231487)

ExoClock project II: A large-scale integrated study with 180 updated exoplanet ephemerides

TESS Transit Timing of Hundreds of Hot Jupiters

Empirical Limb-darkening Coefficients and Transit Parameters of Known Exoplanets from TESS

The GAPS Programme with HARPS-N at TNG. XIV. Investigating giant planet migration history via improved eccentricity and mass determination for 231 transiting planets

Water and an escaping helium tail detected in the hazy and methane-depleted atmosphere of HAT-P-18b from JWST NIRISS/SOSS

Friends of hot Jupiters. I. A radial velocity search for massive, long-period companions to close-in gas giant planets

Ground-based transit observations of the HAT-P-18, HAT-P-19, HAT-P-27/WASP40 and WASP-21 systems

Rayleigh scattering in the transmission spectrum of HAT-P-18b

unconfirmed exoplanet

1 reference

SIMBAD

mass

0.196±0.008 Jupiter mass

1 reference

0.197±0.013 Jupiter mass

1 reference

HAT-P-18b and HAT-P-19b: Two Low-density Saturn-mass Planets Transiting Metal-rich K Stars

0.2±0.019 Jupiter mass

1 reference

The GAPS Programme with HARPS-N at TNG. XIV. Investigating giant planet migration history via improved eccentricity and mass determination for 231 transiting planets

0.183±0.034 Jupiter mass

1 reference

Friends of hot Jupiters. I. A radial velocity search for massive, long-period companions to close-in gas giant planets

time of discovery or invention

catalog code

TOI-2127.01

catalog

TESS Object of Interest

1 reference

TIC 21744120b

1 reference

2010

1 reference

January 2011

1 reference

HAT-P-18b and HAT-P-19b: Two Low-density Saturn-mass Planets Transiting Metal-rich K Stars

HAT-P-18b and HAT-P-19b: Two Low-density Saturn-mass Planets Transiting Metal-rich K Stars

2 references

inferred from equatorial coordinates

constellation

Hercules

1 reference

based on heuristic

parent astronomical body

3 references

HAT-P-18b and HAT-P-19b: Two Low-density Saturn-mass Planets Transiting Metal-rich K Stars

object stated in reference as

HAT-P-18

object stated in reference as

HAT-P-18

argument of periapsis

12±22 degree

1 reference

Friends of hot Jupiters. I. A radial velocity search for massive, long-period companions to close-in gas giant planets

104±50 degree

1 reference

120±56 degree

1 reference

HAT-P-18b and HAT-P-19b: Two Low-density Saturn-mass Planets Transiting Metal-rich K Stars

orbital eccentricity

0.106±0.15

1 reference

Friends of hot Jupiters. I. A radial velocity search for massive, long-period companions to close-in gas giant planets

0.009±0.03

1 reference

0.084±0.048

1 reference

HAT-P-18b and HAT-P-19b: Two Low-density Saturn-mass Planets Transiting Metal-rich K Stars

0.087

1 reference

The GAPS Programme with HARPS-N at TNG. XIV. Investigating giant planet migration history via improved eccentricity and mass determination for 231 transiting planets

orbital inclination

88.79±0.25 degree

1 reference

88.53±0.16 degree

1 reference

Rayleigh scattering in the transmission spectrum of HAT-P-18b

88.8±0.3 degree

2 references

HAT-P-18b and HAT-P-19b: Two Low-density Saturn-mass Planets Transiting Metal-rich K Stars

The GAPS Programme with HARPS-N at TNG. XIV. Investigating giant planet migration history via improved eccentricity and mass determination for 231 transiting planets

88.66±0.03 degree

1 reference

Water and an escaping helium tail detected in the hazy and methane-depleted atmosphere of HAT-P-18b from JWST NIRISS/SOSS

88.79±0.21 degree

1 reference

Ground-based transit observations of the HAT-P-18, HAT-P-19, HAT-P-27/WASP40 and WASP-21 systems

orbital period

5.507978±0.000043 day

1 reference

5.5080291±0.0000042 day

1 reference

Ground-based transit observations of the HAT-P-18, HAT-P-19, HAT-P-27/WASP40 and WASP-21 systems

reason for deprecated rank

5.508023±0.000006 day

item/value with less precision and/or accuracy

2 references

HAT-P-18b and HAT-P-19b: Two Low-density Saturn-mass Planets Transiting Metal-rich K Stars

The GAPS Programme with HARPS-N at TNG. XIV. Investigating giant planet migration history via improved eccentricity and mass determination for 231 transiting planets

5.50803±0.0000008 day

1 reference

ExoClock project II: A large-scale integrated study with 180 updated exoplanet ephemerides

5.5080232±0.0000056 day

1 reference

Empirical Limb-darkening Coefficients and Transit Parameters of Known Exoplanets from TESS

5.5080287±0.0000014 day

1 reference

TESS Transit Timing of Hundreds of Hot Jupiters

5.50802941±0.00000053 day

1 reference

semi-major axis of an orbit

0.0559±0.0007 astronomical unit

2 references

HAT-P-18b and HAT-P-19b: Two Low-density Saturn-mass Planets Transiting Metal-rich K Stars

0.05596±0.00074 astronomical unit

1 reference

The GAPS Programme with HARPS-N at TNG. XIV. Investigating giant planet migration history via improved eccentricity and mass determination for 231 transiting planets

declination component of proper motion

parallax

6.1669±0.0231 milliarcsecond

2 references

−36.689±0.042 milliarcsecond per year

2 references

right ascension component of proper motion

−14.073±0.034 milliarcsecond per year

2 references

0.995±0.052 Jupiter radius

2 references

HAT-P-18b and HAT-P-19b: Two Low-density Saturn-mass Planets Transiting Metal-rich K Stars

The GAPS Programme with HARPS-N at TNG. XIV. Investigating giant planet migration history via improved eccentricity and mass determination for 231 transiting planets

0.947±0.044 Jupiter radius

1 reference

3 references