Planet HAT-P-44 Bd

Detailed information about planet HAT-P-44 Bd and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

HAT-P-44 Bd

Mass

—

Mass*sin(i)

0.2 (\pm 0.1)

M_J 1 publication

HAT-P-44b, HAT-P-45b, and HAT-P-46b: Three Transiting Hot Jupiters in Possible Multi-Planet Systems

Semi-Major Axis

0.129 (\pm 0.002)

AU 1 publication

HAT-P-44b, HAT-P-45b, and HAT-P-46b: Three Transiting Hot Jupiters in Possible Multi-Planet Systems

Orbital Period

17.6 (\pm 0.2)

day 1 publication

HAT-P-44b, HAT-P-45b, and HAT-P-46b: Three Transiting Hot Jupiters in Possible Multi-Planet Systems

Eccentricity

0.0 1 publication

HAT-P-44b, HAT-P-45b, and HAT-P-46b: Three Transiting Hot Jupiters in Possible Multi-Planet Systems

ω

0.0 deg 1 publication

HAT-P-44b, HAT-P-45b, and HAT-P-46b: Three Transiting Hot Jupiters in Possible Multi-Planet Systems

T_peri

—

Radius

—

Inclination

—

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

—

Time V_r=0

—

Velocity Semiamplitude K

16.0 (\pm 4.0)

m/s 1 publication

HAT-P-44b, HAT-P-45b, and HAT-P-46b: Three Transiting Hot Jupiters in Possible Multi-Planet Systems

Calculated temperature

—

Measured temperature

—

Hottest point longitude

—

Surface gravity log(g/g_H)

—

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

Hartman et al. (2014): Alternative solution with non-zero eccentricity is considered as well (e_d: 0.251 ± 0.314).

No link

Star

Name

HAT-P-44 B

Distance

374.0 (\begin{matrix} + 42.0 \\ - 23.0 \end{matrix})

pc 1 publication

HAT-P-44b, HAT-P-45b, and HAT-P-46b: Three Transiting Hot Jupiters in Possible Multi-Planet Systems

Spectral type

G8V

Apparent magnitude V

13.21

Apparent magnitude I

—

Apparent magnitude J

—

Apparent magnitude H

—

Apparent magnitude K

—

Mass

0.939 (\pm 0.041)

M_Sun 1 publication

HAT-P-44b, HAT-P-45b, and HAT-P-46b: Three Transiting Hot Jupiters in Possible Multi-Planet Systems

Age

8.9 (\pm 3.9)

Gyr 1 publication

HAT-P-44b, HAT-P-45b, and HAT-P-46b: Three Transiting Hot Jupiters in Possible Multi-Planet Systems

Effective temperature

5295.0 (\pm 100.0)

K 1 publication

HAT-P-44b, HAT-P-45b, and HAT-P-46b: Three Transiting Hot Jupiters in Possible Multi-Planet Systems

Radius

0.979 (\begin{matrix} + 0.055 \\ - 0.11 \end{matrix})

R_Sun 1 publication

HAT-P-44b, HAT-P-45b, and HAT-P-46b: Three Transiting Hot Jupiters in Possible Multi-Planet Systems

Metallicity [Fe/H]

0.33 (\pm 0.1)

1 publication

HAT-P-44b, HAT-P-45b, and HAT-P-46b: Three Transiting Hot Jupiters in Possible Multi-Planet Systems

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

14:12:35.0

Dec₂₀₀₀

+47:00:52.9

Alternate Names

TOI-1841

Mugrauer & Michel (2024) detect a low-mass (m = 0.125 M_Sol) M dwarf companion star 5,308 AUs away whereas Behmard et al. (2022) report a farther third companion star 23,321 AUs without providing information about mass or physical parameters.
According to parallax this actually might coincide with 2MASS J14124195+4701058, a late G dwarf about to evolve off the Main Sequence (T = 5391 ± 112 K, m = 0.94 ± 0.113 M_Sol, r = 1.265 ± 0.064 R_Sol). Hence HAT-P-44 might be part of a triple system and possibly as secondary rather than primary component.