(Q81278)

time of discovery or invention

catalog code

HD 89744b

catalog

Henry Draper Catalogue

1 reference

TIC 8154501b

1 reference

April 2000

reason for deprecated rank

item/value with less precision and/or accuracy

1 reference

A High-Eccentricity Low-Mass Companion to HD 89744

site of astronomical discovery

Fred Lawrence Whipple Observatory

1 reference

imported from Wikimedia project

2 references

A High-Eccentricity Low-Mass Companion to HD 89744

inferred from equatorial coordinates

constellation

Ursa Major

1 reference

based on heuristic

parent astronomical body

3 references

A High-Eccentricity Low-Mass Companion to HD 89744

object stated in reference as

HD 89744

object stated in reference as

HD 89744

argument of periapsis

194.1±0.6 degree

1 reference

Dynamical and Observational Constraints on Additional Planets in Highly Eccentric Planetary Systems

195.1±1 degree

1 reference

A Search for Multi-Planet Systems Using the Hobby-Eberly Telescope

193.7±0.4 degree

1 reference

Truly eccentric – I. Revisiting eight single-eccentric planetary systems

M sin i

7.92±0.23 Jupiter mass

1 reference

Dynamical and Observational Constraints on Additional Planets in Highly Eccentric Planetary Systems

8.44±0.23 Jupiter mass

1 reference

A Search for Multi-Planet Systems Using the Hobby-Eberly Telescope

8.35±0.18 Jupiter mass

1 reference

Truly eccentric – I. Revisiting eight single-eccentric planetary systems

orbital eccentricity

0.677±0.003

1 reference

Truly eccentric – I. Revisiting eight single-eccentric planetary systems

0.689±0.006

1 reference

Dynamical and Observational Constraints on Additional Planets in Highly Eccentric Planetary Systems

0.673±0.007

1 reference

A Search for Multi-Planet Systems Using the Hobby-Eberly Telescope

orbital inclination

54 degree

1 reference

Rotation periods of exoplanet host stars

orbital period

256.78±0.05 day

2 references

Dynamical and Observational Constraints on Additional Planets in Highly Eccentric Planetary Systems

A Search for Multi-Planet Systems Using the Hobby-Eberly Telescope

256.78±0.02 day

1 reference

Truly eccentric – I. Revisiting eight single-eccentric planetary systems

semi-major axis of an orbit

0.91±0.01 astronomical unit

1 reference

Dynamical and Observational Constraints on Additional Planets in Highly Eccentric Planetary Systems

0.918±0.01 astronomical unit

1 reference

A Search for Multi-Planet Systems Using the Hobby-Eberly Telescope

0.917±0.009 astronomical unit

1 reference

Truly eccentric – I. Revisiting eight single-eccentric planetary systems

angular distance

0.022 arcsecond

1 reference

Extrasolar Planets Encyclopaedia exoplanet ID

HD 89744 b

parallax

25.8537±0.0716 milliarcsecond

2 references

declination component of proper motion

−138.86±0.2 milliarcsecond per year

2 references

The Hawaii infrared parallax program. I. Ultracool binaries and the L/T transition

right ascension component of proper motion

SIMBAD

−138.144±0.131 milliarcsecond per year

2 references

−119.9±0.17 milliarcsecond per year

2 references

The Hawaii infrared parallax program. I. Ultracool binaries and the L/T transition

SIMBAD

−120.573±0.111 milliarcsecond per year

2 references

3 references