GJ 21
[ α=0.4h, δ=70.1° | M1.0Ve | d=16.2 pc ]
GJ 21 , HIP 2120 , TYC 4299-1728-1
Figs:
sed
|
limits
I/O:
data
|
model
Post:
fit
|
extra
Ext:
simbad
|
cds
|
cassis
|
finder
|
spitzer
|
mast
|
esasky
|
...
Files
ALMA archive
Herschel PSF fit
Best fit:
T
star
= 3713 ± 9 K , L
star
= 0.0482 ± 0.0003 L
Sun
, R
star
= 0.531 ± 0.004 R
Sun