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

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