Open Access

Table 1.

Speckle observations of S1082 from 2012 to 2021.

UT date Year PA Sep Δm Ctr. Wvl Tel. Inst.
(°) (″) (nm)
Nov 27 2012 270.2 0.4617 0.00 692 WIYN DSSI
Nov 27 2012 271.1 0.4627 0.52 880 WIYN DSSI
Dec 02 2012 270.5 0.4628 0.15 692 WIYN DSSI
Dec 02 2012 270.7 0.4624 0.33 880 WIYN DSSI
Dec 11 2013 270.9 0.4605 0.14 692 WIYN DSSI
Dec 11 2013 270.9 0.4600 0.42 880 WIYN DSSI
Mar 21 2014 270.9 0.6241 0.37 692 LDT DSSI
Mar 21 2014 271.0 0.6182 0.49 880 LDT DSSI
Mar 08 2015 270.9 0.4605 0.40 692 LDT DSSI
Mar 08 2015 270.7 0.4603 0.55 880 LDT DSSI
Dec 14 2016 272.3 0.4643 0.35 562 WIYN NESSI
Dec 14 2016 270.3 0.4583 0.33 832 WIYN NESSI
Dec 14 2016 272.4 0.4668 0.32 467 WIYN NESSI
Dec 14 2016 270.3 0.4597 0.30 716 WIYN NESSI
Feb 25 2021 272.7 0.4634 0.27 880 LDT QWSSI
Feb 25 2021 273.1 0.4726 0.01 808 LDT QWSSI

Notes. The quadrant of the secondary for the NESSI observations is ambiguous. We have added 180 degrees to the measured position angles to match the quadrant of the secondary with the other observations in the table.

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