WDS 18421+3445 B 2546 Aa,Ab : 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 |
|
USN2002 |
orb - |
Seymour, D., Mason, B.D., Hartkopf, W.I., & Wycoff, G.L. |
2002AJ....123.1023S |
USN2002 |
|
AJ 123, 1023, 2002 |
|
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 |
B 2546 |
Aa,Ab |
1996 |
42 |
147 |
0.1 |
6.50 |
7.50 |
B5V |
NOD |
184208.09+344446.7 |
18421+3445 |
B 2546 |
Aa,Ab |
2006 |
43 |
353 |
0.1 |
6.50 |
7.50 |
B5V |
NOD |
184208.09+344446.7 |
18421+3445 |
B 2546 |
Aa,Ab |
2016 |
44 |
24 |
0.1 |
6.50 |
7.50 |
B5V |
NO |
184208.09+344446.7 |
If you need more information about this double, apply for a
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