DENIS J082303.1-491201 (Q222362)

DE 0823-49 is a juvenile binary brown dwarf at 20.7 pc

Deep Near Infrared Survey of the Southern Sky

catalog code

2MASS J08230313-4912012

1 reference

DENIS J082303.1-491201

catalog

1 reference

inferred from equatorial coordinates

Gaia DR2 5514929155583865216

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Gaia DR3 5514929155583865216

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TIC 388682292

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1 reference

companion of

DENIS-P J082303.1-491201 b

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argument of periapsis

41.8±4.9 degree

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DE 0823-49 is a juvenile binary brown dwarf at 20.7 pc

distance from Earth

20.665±0.195 parsec

1 reference

19±1 parsec

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The brown dwarf kinematics project I. Proper motions and tangential velocities for a large sample of late-type M, L, and T dwarfs

20.748±0.1264 parsec

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20.665±0.1955 parsec

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20.69±0.06 parsec

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DE 0823-49 is a juvenile binary brown dwarf at 20.7 pc

de0823_49_b--1509

orbital eccentricity

0.36±0.04

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DE 0823-49 is a juvenile binary brown dwarf at 20.7 pc

orbital inclination

52.2±1.5 degree

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DE 0823-49 is a juvenile binary brown dwarf at 20.7 pc

orbital period

247.75±0.64 day

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DE 0823-49 is a juvenile binary brown dwarf at 20.7 pc

parallax

48.3909±0.458 milliarcsecond

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48.1967±0.2937 milliarcsecond

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declination component of proper motion

11.805±0.782 milliarcsecond per year

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11.131±0.359 milliarcsecond per year

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right ascension component of proper motion

−157.904±0.836 milliarcsecond per year

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−158.694±0.351 milliarcsecond per year

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radial velocity

13±2 kilometre per second

1 reference

The Brown Dwarf Kinematics Project (BDKP). IV. Radial velocities of 85 late-M and L dwarfs with MagE

spectral class

L2.7V

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SpeX SPECTROSCOPY OF UNRESOLVED VERY LOW MASS BINARIES. II. IDENTIFICATION OF 14 CANDIDATE BINARIES WITH LATE-M/EARLY-L AND T DWARF COMPONENTS

L4.0

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Identifying ultra-cool dwarfs at low Galactic latitudes: a southern candidate catalogue

L1.5

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Discovery of new nearby L and late-M dwarfs at low Galactic latitude from the DENIS data base

L2.0

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The Ultracool SpeXtroscopic Survey. I. Volume-limited Spectroscopic Sample and Luminosity Function of M7-L5 Ultracool Dwarfs

L1.5V

1 reference

Identifying ultra-cool dwarfs at low Galactic latitudes: a southern candidate catalogue

20.020

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The DENIS database, 3rd Release

17.14±0.11

2 references

13.547±0.026

1 reference

VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)

VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)

12.636±0.022

1 reference

VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)

12.062±0.023

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18.56539±0.003819

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3 references

right ascension

125.76311246502 degree

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declination

−49.20034874484 degree

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effective temperature

2,150±100 kelvin

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DE 0823-49 is a juvenile binary brown dwarf at 20.7 pc

age estimated by a dating method

de0823_49_b--1509

0.1±0.5 gigaannum

1 reference

DE 0823-49 is a juvenile binary brown dwarf at 20.7 pc