WDS 05320-0018 BU 558 AB : NOTES
 
 
discov_num notes refcode
HEI 42 del Ori = Mintaka. A is an Algol-type system, as well as a close
visual binary.
Aa,Ab: Orbital elements are also given by Levato et al. (1988). This Lev1988
close visual pair has increased in separation from 0".20 to 0".29
between 1979 and 1994. The spectral classification for the C component Lev1991b
is from Morrell & Levato (1991). Msn1998a
Aa spectral type O9.5II+B2V. Ab spectral type B0IV. Opl2023
STFA 14 C is a spectroscopic binary.
Ca is spectral type B3V, Cb is spectral type A0V. Opl2023
AC: H 5 10. MEv2010
 
 
REFERENCES
 
 
refcode metd author reference
Lev1988 - Levato, H., Morrell, N., Garcia, B., & Malaroda, S. 1988ApJS...68..319L
Lev1988 ApJS 68, 319, 1988
Lev1991b - Morrell, N. & Levato, H. 1991ApJS...75..965M
Lev1991b ApJS 75, 965, 1991
MEv2010 - MacEvoy, B. ...................
MEv2010 private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
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
Opl2023 - Oplistilova, A., Mayer, P., Harmanec, P. et al. 2023A&A...672A..31O
Opl2023 A&A 672, A31, 2023
 
 
DISCOVERER
 
 
idgroup discov author
1 BU Burnham, S.W. (BU 1 - 81)
179 HEI Heintz, W.D.
404 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
05320-0018 BU 558 AB 1998 6 228 33.2 2.41 14.20 B0III D 053200.40-001756.7
05320-0018 BU 558 AB 2008 7 228 33.4 2.41 14.20 B0III D 053200.40-001756.7
05320-0018 BU 558 AB 2014 9 229 33.0 2.41 14.20 B0III N 053200.40-001756.7
05320-0018 BU 558 AB 2016 10 229 33.4 2.41 14.20 B0III N 053200.40-001756.7

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