WDS 18208+2732 BU 640 (HD 168874) : NOTES
| discov_num |
notes |
refcode |
| BU 640 |
Measure by Van Biesbroeck in 1932 is undoubtedly in error. |
Baz1944a |
|
CfA: A is SB, P=long. Triple or not? Makarov & Kaplan (2005): dmu=20.4 |
Mkr2005 |
|
(HIP2:20.1), implies triple. |
Tok2014d |
REFERENCES
| refcode |
metd |
author |
reference |
| Baz1944a |
Ma - |
Baize, P. |
1944JO.....27...29B |
| Baz1944a |
|
J. Obs. 27, 29, 1944 |
|
| Izm2019 |
orb u |
Izmailov, I.S. |
2019AstL...45...30I |
| Izm2019 |
|
Ast. Lett. 45, 30, 2019 |
|
| Izm2019 |
|
(Orbital elements from weighted solutions used when available (Table 2), |
|
| Izm2019 |
|
unweighted elements (Table 1) used for remaining 29 systems.) |
|
| Mkr2005 |
- |
Makarov, V.V. & Kaplan, G.H. |
2005AJ....129.2420M |
| Mkr2005 |
|
AJ 129, 2420, 2005 |
|
| Tok2014d |
E2 - |
Tokovinin, A. |
2014AJ....147...86T |
| Tok2014d |
|
AJ 147, 86, 2014 |
|
DISCOVERER
| idgroup |
discov |
author |
| 1 |
BU |
Burnham, S.W. (BU 1 - 81) |
WDS HISTORIC DATA
| coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
| 18208+2732 |
BU 640 |
|
1970 |
20 |
315 |
1.5 |
7.00 |
12.00 |
G1V |
|
182049.23+273148.3 |
| 18208+2732 |
BU 640 |
|
2008 |
22 |
322 |
0.7 |
7.00 |
12.00 |
G1V |
N |
182049.23+273148.3 |
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