WDS 19202+0403 STF 2498 AB (HD 181386) : NOTES
 
 
discov_num notes refcode
STF2498AB A is a close spectrscopic binary (1137.2-d) as is B (90.508-d). Grf2010c
Their respective gamma velocities are consistent with them being
physical but of extreme orbital period.
 
 
REFERENCES
 
 
refcode metd author reference
Grf2010c not - Griffin, R.F. 2010Obs...130..232G
Grf2010c Observatory 130, 232, 2010
 
 
DISCOVERER
 
 
idgroup discov author
1 BOT Boettger, G.
8 STF Struve, F.G.W.
41 TOB Tobal, T.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19202+0403 STF2498 AB 2001 47 66 11.7 8.26 8.90 G5II D 192010.32+040247.3
19202+0403 STF2498 AB 2008 48 64 12.5 8.26 8.90 G5II NVD 192010.32+040247.3
19202+0403 STF2498 AB 2011 49 66 11.9 8.26 8.90 G5II NVD 192010.32+040247.3
19202+0403 STF2498 AB 2015 51 65 11.9 8.26 8.90 G5II NV 192010.32+040247.3

If you need more information about this double, apply for a data request form to the WDS.