WDS 16540-4148 SNA 51 Aa,Ab : NOTES
 
 
discov_num notes refcode
B 1833 This O star is the F component of a multiple system. The A component
SEE 293 is HD 152234 which is a B0.5Ia star (Hoffleit & Warren 1991). The Hof1991
SEE 294 AB system is a 0".5 binary which was observed and resolved 3 times. Msn1998a
SNA 51 Aa,Ab: HD 152234 is a 125d SB2 (Sana et al. 2012); the spectroscopic Sna2012
companion is marginally resolved in PIONIER observations with
rho=0.9+/-1.9mas and dH=1.37. Sna2014
SNA 51 Fa,Fb: We resolve for the first time this long-period SB2 discussed in Sna2008a
Sana et al. (2008a, 2012) Sna2014
 
 
REFERENCES
 
 
refcode metd author reference
Hof1991 - Hoffleit, D. & Jaschek, C. 1991bsc..book.....H
Hof1991 The Bright Star Catalogue, Fifth Revised Edition (preliminary version), 1991
Msn1998a Sc j Mason, B.D., Gies, D.R., Hartkopf, W.I., Bagnuolo, Jr., W.G., 1998AJ....115..821M
Msn1998a ten Brummelaar, T.A., & McAlister, H.A.
Msn1998a AJ 115, 821, 1998
Sna2008a not - Sana, H., Gosset, E., Naze, Y., Rauw, G., & Linder, N. 2008MNRAS.386..447S
Sna2008a MNRAS 386, 447, 2008
Sna2012 not - Sana, H., de Mink, S.E., de Koter, A., et al. 2012Sci...337..444S
Sna2012 Science 337, 444, 2012
Sna2014 Kv j Sana, H., LeBouquin, J.-B., Lacour, S., Berger, J.-P., Duvert, G., Gauchet, L., 2014ApJS..215...15S
Sna2014 +A Norris, B., Olofsson, J., Pickel, D., Zins, G., Absil, O., de Koter, A.,
Sna2014 Kratter, K., Schnurr, O., & Zinnecker, H.
Sna2014 ApJS 215, 15, 2014
Sna2014 (NACO companions in Table 6 assumed physical if quoted probability of spurious
Sna2014 detection <10%, optical if >90%, otherwise indeterminate)
 
 
DISCOVERER
 
 
idgroup discov author
1 B van den Bos, W.H.
212 HJ Herschel, J.F.W.
261 JC Jacob, W.S.
300 SEE See, T.J.J.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16540-4148 SNA 51 Aa,Ab 2011 1 153 0.0 5.10 7.00 B0.5Ia NV K 165401.84-414823.0

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