WDS 18421+3445 BLL 34 BC : NOTES
| discov_num |
notes |
refcode |
| B 2546 |
A is called a spectroscopic binary, but the variation is likely caused |
|
|
by motion in the close visual pair. |
|
|
B is BD+34@3286. |
|
| STF2372 |
AB: H 4 94. |
MEv2010 |
| STF2372 |
AB: SEI 571. |
Nsn2017b |
REFERENCES
| refcode |
metd |
author |
reference |
| MEv2010 |
- |
MacEvoy, B. |
................... |
| MEv2010 |
|
private communication, 2010 (see http://www.handprint.com/ASTRO/index.html) |
|
| Nsn2017b |
not - |
Nanson, J. |
................... |
| Nsn2017b |
|
private communication, 2017 |
|
DISCOVERER
| idgroup |
discov |
author |
| 1 |
B |
van den Bos, W.H. |
| 212 |
BLL |
Ball, R.S. |
| 219 |
STF |
Struve, F.G.W. |
WDS HISTORIC DATA
| coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
| 18421+3445 |
BLL 34 |
BC |
2002 |
8 |
65 |
91.0 |
7.73 |
11.79 |
|
D |
184210.08+344450.0 |
| 18421+3445 |
BLL 34 |
BC |
2013 |
11 |
65 |
90.1 |
7.73 |
11.79 |
|
N |
184210.08+344450.0 |
| 18421+3445 |
BLL 34 |
BC |
2015 |
12 |
65 |
90.6 |
7.73 |
11.79 |
A0 |
N |
184210.08+344450.0 |
If you need more information about this double, apply for a
data request form to the WDS.
