WDS 12351+1823 STF 1657 AB (24 Com) : NOTES
 
 
discov_num notes refcode
STF1657 24 Com. B is a spectroscopic binary, spectrum A9Vm.
Measure of 1927.49 made by triangulation of multiple measures.
H 4 27. MEv2010
CIA 32 Ma,Mb = 1.838 +/- 0.218, 1.541 +/- 0.184 \msun.
Ra,Rb = 2.28 +/- 0.06, 1.70 +/- 0.07 \rsun.
Teff_a,Teff_b = 7630 +/- 120, 7180 +/- 140 K.
La,Lb = 15.6 +/- 1.3, 7.2 +/- 0.9 \lsun. distance = 110.1 +/- 6.1 pc. CIA2022e
 
 
REFERENCES
 
 
refcode metd author reference
CIA2022e Kc+ j Lester, K.V., Schaefer, G.H., Fekel, F.C., Gies, D.R., Henry, T.J., Jao, W.-C., 2022AJ...164...228L
CIA2022e +orb Paredes, L.A., Hubbard-James, H.-S., Farrington, C.D., Gordon, K.D., Chojnowski,
CIA2022e S.D., Monnier, J.D., Kraus, S., Le Bouquin, J.-B., Anugu, N., ten Brummelaar, T.,
CIA2022e Davies, C.L., Gardner, T., Labdon, A., Lanthermann, C. & Setterholm, B.R.
CIA2022e AJ 164, 228, 2022
MEv2010 - MacEvoy, B. ...................
MEv2010 private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
 
 
DISCOVERER
 
 
idgroup discov author
1 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
12351+1823 STF1657 AB 2018 151 272 20.2 5.11 6.33 K2III N 123507.76+182237.4

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