(Q849267)

Planetary companion candidates around the K giant stars 42 Draconis and HD 139 357

unconfirmed exoplanet

2 references

SIMBAD

International Astronomical Union

1 reference

42 Draconis.jpg
2,000 × 1,500; 1.27 MB

0 references

name

Orbitar (English)

named by

1 reference

reference URL

https://www.iau.org/news/pressreleases/detail/iau1514/

mass

3.88±0.85 Jupiter mass

1 reference

time of discovery or invention

catalog code

HD 170693b

catalog

Henry Draper Catalogue

1 reference

TIC 233721425b

1 reference

20 March 2009

1 reference

imported from Wikimedia project

English Wikipedia

June 2009

1 reference

Planetary companion candidates around the K giant stars 42 Draconis and HD 139 357

Planetary companion candidates around the K giant stars 42 Draconis and HD 139 357

2 references

inferred from equatorial coordinates

constellation

Draco

1 reference

based on heuristic

parent astronomical body

3 references

Planetary companion candidates around the K giant stars 42 Draconis and HD 139 357

object stated in reference as

42 Dra

object stated in reference as

42 Dra

apoapsis

1.642 astronomical unit

0 references

periapsis

0.738 astronomical unit

0 references

argument of periapsis

218.7±10.6 degree

2 references

Planetary companion candidates around the K giant stars 42 Draconis and HD 139 357

M sin i

3.88±0.85 Jupiter mass

2 references

Planetary companion candidates around the K giant stars 42 Draconis and HD 139 357

orbital eccentricity

0.38±0.06

2 references

Planetary companion candidates around the K giant stars 42 Draconis and HD 139 357

orbital period

479.1±6.2 day

2 references

Planetary companion candidates around the K giant stars 42 Draconis and HD 139 357

semi-major axis of an orbit

1.19±0.01 astronomical unit

2 references

Planetary companion candidates around the K giant stars 42 Draconis and HD 139 357

declination component of proper motion

parallax

11.0061±0.1597 milliarcsecond

2 references

−25.104±0.354 milliarcsecond per year

2 references

right ascension component of proper motion

105.248±0.342 milliarcsecond per year

2 references

3 references

right ascension

276.49640991498210 degree

2 references

65.56347332177612 degree

2 references

2,452,757.4±3.7 Julian day

epoch

J2000.0

1 reference