Ahra (Q9369324)

The ultra cool brown dwarf companion of WD 0806-661B: age, mass, and formation mechanism

Confirmation of one of the coldest known brown dwarfs

Discovery of a candidate for the coolest known brown dwarf

Discovery of a candidate for the coolest known brown dwarf

2 references

1 reference

1 reference

7.5±1.5 Jupiter mass

1 reference

Confirmation of one of the coldest known brown dwarfs

reason for deprecated rank

8±2 Jupiter mass

item/value with less precision and/or accuracy

1 reference

The ultra cool brown dwarf companion of WD 0806-661B: age, mass, and formation mechanism

time of discovery or invention

named after

ocean

language of work or name

0 references

TIC 306826966b

1 reference

March 2011

1 reference

Discovery of a candidate for the coolest known brown dwarf

Discovery of a candidate for the coolest known brown dwarf

2 references

inferred from equatorial coordinates

constellation

Volans

1 reference

based on heuristic

parent astronomical body

Maru

1 reference

Discovery of a candidate for the coolest known brown dwarf

object stated in reference as

WD 0806-661

distance from Earth

19.2 parsec

2 references

Further defining spectral type "Y" and exploring the low-mass end of the field brown dwarf mass function

semi-major axis of an orbit

2,500 astronomical unit

2 references

The ultra cool brown dwarf companion of WD 0806-661B: age, mass, and formation mechanism

Confirmation of one of the coldest known brown dwarfs

parallax

52.17±1.67 milliarcsecond

2 references

The solar neighborhood. XXI. Parallax results from the CTIOPI 0.9 M program: 20 new members of the 25 parsec white dwarf sample

declination component of proper motion

−289.6±1.8 milliarcsecond per year

2 references

The solar neighborhood. XXI. Parallax results from the CTIOPI 0.9 M program: 20 new members of the 25 parsec white dwarf sample

right ascension component of proper motion

340.3±1.8 milliarcsecond per year

2 references

The solar neighborhood. XXI. Parallax results from the CTIOPI 0.9 M program: 20 new members of the 25 parsec white dwarf sample

spectral class

Y1

2 references

Near-infrared photometry of Y dwarfs: low ammonia abundance and the onset of water clouds

25.42±0.23

3 references

The Y-type Brown Dwarfs: Estimates of Mass and Age from New Astrometry, Homogenized Photometry, and Near-infrared Spectroscopy

The Y-type Brown Dwarfs: Estimates of Mass and Age from New Astrometry, Homogenized Photometry, and Near-infrared Spectroscopy

25.29±0.14

3 references

The Y-type Brown Dwarfs: Estimates of Mass and Age from New Astrometry, Homogenized Photometry, and Near-infrared Spectroscopy

The Y-type Brown Dwarfs: Estimates of Mass and Age from New Astrometry, Homogenized Photometry, and Near-infrared Spectroscopy

3 references

right ascension

121.8111458 degree

2 references

Discovery of a candidate for the coolest known brown dwarf

declination

−66.3135222 degree

2 references

Discovery of a candidate for the coolest known brown dwarf

effective temperature

300 kelvin

sourcing circumstances

circa

1 reference