11184-7622 LAF 20 Aa,Ab

 
 
11h 18m 20.24s -76° 21' 57.6" P.A. 34.00 sep 0.1 mag 9.50,9.70 Sp M0
 
 
Coord 2000 11184-7622 Discov num LAF  20 Comp Aa,Ab Coord arcsec 2000 11 18 20.24 -76 21 57.6
Date first 2006 Date last 2020 Obs 4
Pa first 14 Pa last 34.2 P.A. Now (θ) 34.2°
Sep first 0.1 Sep last 0.109 Sep. Now (ρ) 0.109"
Mag pri 9.50 Mag sec 9.70 delta mag (ΔM) 0.2 Spectral class M0 (red)
Pri motion ra -000 Sec motion ra
Pri motion dec +025 Sec motion dec
Notes N K (See Notes, K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
Nature of this double is uncertain.
 
 
11184-7622 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 11 18 20 -76 21 58 LAF 20 Aa,Ab 2020 4 34 0.1 9.50 9.70 0.20 <===
Show 11 18 20 -76 21 58 BRR 5 AB 2015 6 213 4.4 12.75 13.10 0.35
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Chamaeleon Gaia DR2 5225317513655541504
 
 
WDS 11184-7622 LAF 20 Aa,Ab : NOTES
 
 
discov_num notes refcode
BRR 5 Daemen et al derive component properties (units K,Lsun,Myr,Msun,Rsun):
A: SpT = M0 +- 1 Teff = 3850 +- 180 L = 0.44 +- 0.10
Age = 3.0 +4.0/-1.4 M = 0.58 +0.20/-0.13 R = 1.50 +- 0.07
B: SpT = M1 Teff = 3710 +- 110 L = 0.12 +- 0.02
Age = 12. +17/-7 M = 0.46 +0.10/-0.18 R = 0.83 +- 0.02 Dae2013
 
 
REFERENCES
 
 
refcode metd author reference
Dae2013 A j Daemgen, S., Petr-Gotzens, M.G., Correia, S., Teixeira, P.S., Brandner, W., 2013A&A...554A..43D
Dae2013 Kley, W., & Zinnecker, H.
Dae2013 A&A 554, A43, 2013
 
 
DISCOVERER
 
 
idgroup discov author
1 BRR Brandner, W., Bouvier, J., Grebel, E., Tessier, E., de Winter, D., & Beuzit, J.-L.
4 BRR Brandner, W., Martin, E.L., Bouy, H., Koehler, R., Delfosse, X., Basri, G., &
4 BRR Andersen, M.
7 LAF Lafreniere, D., Doyon, R., Marois, C., Nadeau, D., Oppenheimer, B.R., Roche, P.F.,
7 LAF Rigaut, F., Graham, J.R., et al.
16 LAF Lafreniere, D., Jayawardhana, R., Janson, M., Helling, C., Witte, S., &
16 LAF Hauschildt, P.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11184-7622 LAF 20 Aa,Ab 2006 1 14 0.1 13.37   K8 111820.24-762157.6
11184-7622 LAF 20 Aa,Ab 2011 2 22 0.1 9.50 9.70 M0 N K 111820.24-762157.6
11184-7622 LAF 20 Aa,Ab 2018 3 33 0.1 9.50 9.70 M0 N K 111820.24-762157.6
11184-7622 LAF 20 Aa,Ab 2020 4 34 0.1 9.50 9.70 M0 N K 111820.24-762157.6

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WDS 11184-7622 LAF 20 Aa,Ab : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 11184-7622 LAF 20 Aa,Ab : MEASURES
 
 
No records found.

 
 
WDS 11184-7622 : VIRTUAL EYEPIECE
 
 

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WDS 11184-7622 : ALADIN DSS IMAGE @
 
 
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.