WDS 02518-2117 SEE 21 (HD 17881) : NOTES
 
 
discov_num notes refcode
SEE 21 This very close visual system was discovered at a separation of 0".36 See1898b
and has closed steadily for over 90 years. It is unknown at this
point whether the system is still approaching periastron or has
begun to widen. Hrt1993
 
 
REFERENCES
 
 
refcode metd author reference
Hrt1993 Sc j Hartkopf, W.I., Mason, B.D., Barry, D.J., McAlister, H.A., Bagnuolo, W.G., & 1993AJ....106..352H
Hrt1993 Prieto, C.M.
Hrt1993 AJ 106, 352, 1993
See1898b Ma j See, T.J.J. 1898AJ.....18..181S
See1898b AJ 18, 181, 1898
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02518-2117 SEE 21 1993 17 51 0.1 9.00 9.20 G3IV N 025146.12-211723.1
02518-2117 SEE 21 2020 18 325 0.1 9.00 9.20 G3IV N 025146.12-211723.1
02518-2117 SEE 21 2021 19 323 0.1 9.00 9.20 G3IV N 025146.12-211723.1

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