WDS 18320+2031 LAW 18 : NOTES
discov_num |
notes |
refcode |
LAW 18 |
LSPM J1832+2030. Law et al (2008) derive a distance of 20.6 +9.6/-3.9 |
Law2008 |
|
pc and a projected separation of 27.0 +14.6/-4.0 au. Estimated |
|
|
spectral types are M4.5 and M5. |
|
REFERENCES
refcode |
metd |
author |
reference |
Law2008 |
Ss - |
Law, N.M., Hodgkin, S.T., & Mackay, C.D. |
2008MNRAS.384..150L |
Law2008 |
|
MNRAS 384, 150, 2008 |
|
Law2008 |
|
All measures of known pairs in Law2008 appear to be off by 90 (or 270) degrees. |
|
Law2008 |
|
Corrected and N code code added to measure. |
|
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
18320+2031 |
LAW 18 |
|
2005 |
1 |
21 |
1.3 |
15.94 |
|
M4.5 M5 |
N |
183202.91+203058.4 |
18320+2031 |
LAW 18 |
|
2015 |
3 |
18 |
1.4 |
16.00 |
16.50 |
M4.5+M5 |
N |
183202.91+203058.4 |
18320+2031 |
LAW 18 |
|
2016 |
6 |
18 |
1.4 |
16.00 |
16.50 |
M4.5+M5 |
N |
183202.91+203058.4 |
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