Table A.1
Properties of all detected candidate companions at the different epochs.
Name | CC# | Date | Epoch | Instrument | Filter | Sep. | PA | Δmag | Proj. sep. | Statusa | ||||
(yr) | (as) | (deg) | (mag) | (AU) | ||||||||||
|
||||||||||||||
HIP 104365 | 0 | 2007-09-18 | 2007.71 | NIRI | CH4s | 9.545 ± 0.021 | 15.27 ± 0.13 | 7.4 ± 0.1 | 526.2 ± 1.2 | Comoving | ||||
HIP 104365 | 0 | 2008-09-09 | 2008.69 | NIRI | CH4s | 9.543 ± 0.021 | 15.25 ± 0.13 | 7.4 ± 0.1 | 526.1 ± 1.2 | Comoving | ||||
HIP 104365 | 1 | 2007-09-18 | 2007.71 | NIRI | CH4s | 9.595 ± 0.021 | 14.27 ± 0.13 | 7.5 ± 0.1 | 529.0 ± 1.2 | Comoving | ||||
HIP 104365 | 1 | 2008-09-09 | 2008.69 | NIRI | CH4s | 9.601 ± 0.021 | 14.20 ± 0.13 | 7.2 ± 0.1 | 529.3 ± 1.2 | Comoving | ||||
HIP 104365 | 2 | 2007-09-18 | 2007.71 | NIRI | CH4s | 13.131 ± 0.021 | 62.07 ± 0.09 | 14.9 ± 0.1 | 723.9 ± 1.2 | Undefined | ||||
|
||||||||||||||
HIP 10670 | 0 | 2007-09-16 | 2007.71 | NIRI | CH4s | 4.650 ± 0.006 | 253.27 ± 0.07 | 15.6 ± 0.1 | 160.1 ± 0.2 | Background | ||||
HIP 10670 | 0 | 2008-10-12 | 2008.78 | NIRI | CH4s | 4.665 ± 0.006 | 253.93 ± 0.07 | 14.4 ± 0.2 | 160.7 ± 0.2 | Background | ||||
HIP 10670 | 1 | 2007-09-16 | 2007.71 | NIRI | CH4s | 10.668 ± 0.021 | 161.63 ± 0.11 | 13.7 ± 0.1 | 367.4 ± 0.7 | Background | ||||
HIP 10670 | 1 | 2008-10-12 | 2008.78 | NIRI | CH4s | 10.599 ± 0.021 | 161.88 ± 0.12 | 12.7 ± 0.1 | 365.0 ± 0.7 | Background | ||||
HIP 10670 | 2 | 2007-09-16 | 2007.71 | NIRI | CH4s | 13.844 ± 0.021 | 344.29 ± 0.09 | 13.5 ± 0.1 | 476.8 ± 0.7 | Ambiguous | ||||
HIP 10670 | 2 | 2008-10-12 | 2008.78 | NIRI | CH4s | 13.982 ± 0.021 | 344.42 ± 0.09 | 12.4 ± 0.1 | 481.5 ± 0.7 | Ambiguous | ||||
|
||||||||||||||
HIP 110935 | 0 | 2009-06-24 | 2009.48 | NaCo | K s | 0.582 ± 0.007 | 52.74 ± 0.66 | 9.6 ± 0.7 | 25.7 ± 0.3 | Undefined | ||||
|
||||||||||||||
HIP 11360 | 0 | 2007-12-30 | 2007.99 | NIRI | CH4s | 12.628 ± 0.021 | 194.10 ± 0.10 | 14.5 ± 0.1 | 571.2 ± 0.9 | Background | ||||
HIP 11360 | 0 | 2008-10-12 | 2008.78 | NIRI | CH4s | 12.572 ± 0.021 | 194.76 ± 0.10 | 12.8 ± 0.3 | 568.6 ± 0.9 | Background | ||||
|
||||||||||||||
HIP 14551 | 0 | 2009-12-21 | 2009.97 | NaCo | K s | 6.058 ± 0.007 | 28.65 ± 0.06 | 14.9 ± 0.2 | 331.0 ± 0.4 | Undefined | ||||
|
||||||||||||||
HIP 15648 | 0 | 2008-10-17 | 2008.79 | NIRI | K ′ | 11.528 ± 0.021 | 225.35 ± 0.11 | 10.4 ± 0.1 | 532.2 ± 1.0 | Undefined | ||||
|
||||||||||||||
HIP 16449 | 0 | 2007-09-22 | 2007.72 | NIRI | CH4s | 10.193 ± 0.021 | 25.77 ± 0.12 | 11.5 ± 0.1 | 733.3 ± 1.5 | Background | ||||
HIP 16449 | 0 | 2008-10-12 | 2008.78 | NIRI | CH4s | 10.184 ± 0.021 | 25.46 ± 0.12 | 9.2 ± 0.1 | 732.6 ± 1.5 | Background | ||||
|
||||||||||||||
HIP 22226 | 0 | 2008-01-15 | 2008.04 | NIRI | CH4s | 12.156 ± 0.021 | 148.90 ± 0.10 | 14.7 ± 0.5 | 975.6 ± 1.7 | Background | ||||
HIP 22226 | 0 | 2008-11-18 | 2008.88 | NIRI | CH4s | 12.114 ± 0.021 | 148.97 ± 0.10 | 12.4 ± 0.3 | 972.3 ± 1.7 | Background | ||||
|
||||||||||||||
HIP 23296 | 0 | 2010-01-03 | 2010.01 | NIRI | K ′ | 6.510 ± 0.021 | 308.63 ± 0.19 | 13.8 ± 0.1 | 322.9 ± 1.0 | Undefined | ||||
HIP 23296 | 1 | 2010-01-03 | 2010.01 | NIRI | K ′ | 8.016 ± 0.021 | 99.07 ± 0.15 | 15.1 ± 0.1 | 397.6 ± 1.0 | Undefined | ||||
HIP 23296 | 2 | 2010-01-03 | 2010.01 | NIRI | K ′ | 9.174 ± 0.021 | 329.02 ± 0.13 | 7.5 ± 0.1 | 455.0 ± 1.0 | Undefined | ||||
HIP 23296 | 3 | 2010-01-03 | 2010.01 | NIRI | K ′ | 9.727 ± 0.021 | 29.27 ± 0.13 | 15.2 ± 0.1 | 482.5 ± 1.0 | Undefined | ||||
HIP 23296 | 4 | 2010-01-03 | 2010.01 | NIRI | K ′ | 11.360 ± 0.021 | 173.73 ± 0.11 | 13.0 ± 0.1 | 563.5 ± 1.0 | Undefined | ||||
HIP 23296 | 5 | 2010-01-03 | 2010.01 | NIRI | K ′ | 13.586 ± 0.021 | 73.30 ± 0.09 | 12.3 ± 0.1 | 673.9 ± 1.0 | Undefined | ||||
|
||||||||||||||
HIP 26624 | 0 | 2008-11-14 | 2008.87 | NIRI | K ′ | 8.753 ± 0.021 | 232.98 ± 0.14 | 11.0 ± 0.1 | 372.6 ± 0.9 | Undefined | ||||
HIP 26624 | 1 | 2008-11-14 | 2008.87 | NIRI | K ′ | 11.914 ± 0.021 | 42.62 ± 0.10 | 13.1 ± 0.1 | 507.2 ± 0.9 | Undefined | ||||
|
||||||||||||||
HIP 34782 | 0 | 2009-12-21 | 2009.97 | NaCo | K s | 8.667 ± 0.007 | 316.66 ± 0.04 | 14.2 ± 0.3 | 412.1 ± 0.3 | Background | ||||
HIP 34782 | 0 | 2012-01-11 | 2012.03 | NaCo | K s | 8.544 ± 0.007 | 317.54 ± 0.05 | 14.0 ± 0.3 | 406.3 ± 0.3 | Background | ||||
HIP 34782 | 1 | 2012-01-11 | 2012.03 | NaCo | K s | 8.552 ± 0.007 | 145.51 ± 0.05 | 12.2 ± 0.1 | 406.6 ± 0.3 | Undefined | ||||
|
||||||||||||||
HIP 35567 | 0 | 2009-12-20 | 2009.97 | NaCo | K s | 4.193 ± 0.007 | 7.74 ± 0.09 | 10.1 ± 0.1 | 297.8 ± 0.5 | Background | ||||
HIP 35567 | 0 | 2011-12-18 | 2011.96 | NaCo | K s | 4.097 ± 0.007 | 8.35 ± 0.09 | 8.9 ± 0.1 | 291.0 ± 0.5 | Background | ||||
HIP 35567 | 1 | 2009-12-20 | 2009.97 | NaCo | K s | 4.498 ± 0.007 | 61.62 ± 0.09 | 10.2 ± 0.1 | 319.4 ± 0.5 | Background | ||||
HIP 35567 | 1 | 2011-12-18 | 2011.96 | NaCo | K s | 4.467 ± 0.007 | 63.31 ± 0.09 | 9.1 ± 0.1 | 317.2 ± 0.5 | Background | ||||
HIP 35567 | 2 | 2009-12-20 | 2009.97 | NaCo | K s | 5.499 ± 0.007 | 8.61 ± 0.07 | 8.9 ± 0.1 | 390.5 ± 0.5 | Background | ||||
HIP 35567 | 2 | 2011-12-18 | 2011.96 | NaCo | K s | 5.407 ± 0.007 | 9.14 ± 0.07 | 7.5 ± 0.1 | 384.0 ± 0.5 | Background | ||||
|
||||||||||||||
HIP 41307 | 0 | 2009-12-21 | 2009.97 | NaCo | K s | 5.792 ± 0.007 | 86.15 ± 0.07 | 15.7 ± 0.2 | 217.3 ± 0.3 | Backgroundb | ||||
|
||||||||||||||
HIP 42334 | 0 | 2009-12-20 | 2009.97 | NaCo | K s | 2.010 ± 0.007 | 80.29 ± 0.19 | 11.8 ± 0.1 | 142.9 ± 0.5 | Background | ||||
HIP 42334 | 0 | 2011-04-27 | 2011.32 | NaCo | K s | 2.047 ± 0.007 | 80.39 ± 0.19 | 12.0 ± 0.2 | 145.5 ± 0.5 | Background | ||||
HIP 42334 | 1 | 2009-12-20 | 2009.97 | NaCo | K s | 3.176 ± 0.007 | 11.52 ± 0.12 | 8.2 ± 0.1 | 225.7 ± 0.5 | Comoving | ||||
HIP 42334 | 1 | 2011-04-27 | 2011.32 | NaCo | K s | 3.166 ± 0.007 | 11.51 ± 0.12 | 8.3 ± 0.1 | 225.0 ± 0.5 | Comoving | ||||
HIP 42334 | 2 | 2009-12-20 | 2009.97 | NaCo | K s | 5.291 ± 0.007 | 288.05 ± 0.07 | 12.9 ± 0.1 | 376.0 ± 0.5 | Background | ||||
HIP 42334 | 2 | 2011-04-27 | 2011.32 | NaCo | K s | 5.265 ± 0.007 | 288.37 ± 0.07 | 12.9 ± 0.1 | 374.2 ± 0.5 | Background | ||||
HIP 42334 | 3 | 2009-12-20 | 2009.97 | NaCo | K s | 5.616 ± 0.007 | 290.18 ± 0.07 | 15.3 ± 0.3 | 399.1 ± 0.5 | Background | ||||
HIP 42334 | 3 | 2011-04-27 | 2011.32 | NaCo | K s | 5.584 ± 0.007 | 290.52 ± 0.07 | 14.9 ± 0.6 | 396.9 ± 0.5 | Background | ||||
|
||||||||||||||
HIP 44923 | 0 | 2008-03-23 | 2008.22 | NIRI | CH4s | 13.860 ± 0.021 | 236.78 ± 0.09 | 14.1 ± 0.1 | 1159.8 ± 1.8 | Undefined | ||||
|
||||||||||||||
HIP 53771 | 0 | 2010-03-06 | 2010.18 | NaCo | K s | 5.800 ± 0.007 | 266.75 ± 0.07 | 13.5 ± 0.3 | 354.3 ± 0.4 | Background | ||||
HIP 53771 | 0 | 2012-01-12 | 2012.03 | NaCo | K s | 5.731 ± 0.007 | 267.64 ± 0.07 | 13.3 ± 0.1 | 350.1 ± 0.4 | Background | ||||
HIP 53771 | 1 | 2010-03-06 | 2010.18 | NaCo | K s | 6.120 ± 0.007 | 251.12 ± 0.06 | 11.7 ± 0.1 | 373.9 ± 0.4 | Background | ||||
HIP 53771 | 1 | 2012-01-12 | 2012.03 | NaCo | K s | 6.058 ± 0.007 | 251.73 ± 0.06 | 11.7 ± 0.1 | 370.1 ± 0.4 | Background | ||||
HIP 53771 | 2 | 2012-01-12 | 2012.03 | NaCo | K s | 8.545 ± 0.007 | 144.52 ± 0.05 | 12.5 ± 0.2 | 522.0 ± 0.4 | Undefined | ||||
|
||||||||||||||
HIP 57328 | 0 | 2008-03-24 | 2008.23 | NIRI | CH4s | 12.505 ± 0.021 | 352.40 ± 0.10 | 16.8 ± 0.2 | 467.8 ± 0.8 | Undefined | ||||
|
||||||||||||||
HIP 61960 | 0 | 2008-03-21 | 2008.22 | NIRI | CH4s | 12.732 ± 0.021 | 57.65 ± 0.10 | 15.6 ± 0.2 | 461.8 ± 0.8 | Undefined | ||||
|
||||||||||||||
HIP 66634 | 0 | 2009-02-03 | 2009.09 | NIRI | K ′ | 6.955 ± 0.021 | 230.69 ± 0.18 | 14.1 ± 0.2 | 372.7 ± 1.1 | Undefined | ||||
|
||||||||||||||
HIP 69732 | 0 | 2009-02-02 | 2009.09 | NIRI | K ′ | 11.462 ± 0.021 | 319.19 ± 0.11 | 12.3 ± 0.1 | 348.0 ± 0.6 | Undefined | ||||
|
||||||||||||||
HIP 78078 | 0 | 2009-06-24 | 2009.48 | NaCo | K s | 6.670 ± 0.007 | 76.68 ± 0.06 | 13.3 ± 0.2 | 340.8 ± 0.4 | Undefined | ||||
HR 7329 | 0 | 2008-08-07 | 2008.60 | NaCo | H | 4.185 ± 0.007 | 161.61 ± 0.09 | ≤ 8.12 | 201.8 ± 0.3 | Comovingc | ||||
|
||||||||||||||
HIP 99273 | 0 | 2007-08-10 | 2007.61 | NIRI | CH4s | 4.894 ± 0.006 | 140.41 ± 0.07 | 15.1 ± 0.1 | 255.6 ± 0.3 | Background | ||||
HIP 99273 | 0 | 2008-09-04 | 2008.68 | NIRI | CH4s | 4.802 ± 0.006 | 140.26 ± 0.07 | 15.3 ± 0.2 | 250.8 ± 0.3 | Background | ||||
HIP 99273 | 1 | 2007-08-10 | 2007.61 | NIRI | CH4s | 7.577 ± 0.021 | 74.29 ± 0.16 | 16.4 ± 0.3 | 395.7 ± 1.1 | Background | ||||
HIP 99273 | 1 | 2008-09-04 | 2008.68 | NIRI | CH4s | 7.566 ± 0.021 | 73.65 ± 0.16 | 16.4 ± 0.3 | 395.1 ± 1.1 | Background | ||||
HIP 99273 | 2 | 2008-09-04 | 2008.68 | NIRI | CH4s | 8.089 ± 0.021 | 352.47 ± 0.15 | 16.1 ± 0.3 | 422.4 ± 1.1 | Background | ||||
HIP 99273 | 2 | 2007-08-10 | 2007.61 | NIRI | CH4s | 8.005 ± 0.021 | 352.70 ± 0.15 | 16.1 ± 0.2 | 418.0 ± 1.1 | Background | ||||
HIP 99273 | 3 | 2007-08-10 | 2007.61 | NIRI | CH4s | 8.917 ± 0.021 | 304.99 ± 0.14 | 16.1 ± 0.2 | 465.6 ± 1.1 | Background | ||||
HIP 99273 | 3 | 2008-09-04 | 2008.68 | NIRI | CH4s | 8.986 ± 0.021 | 305.22 ± 0.14 | 16.1 ± 0.3 | 469.2 ± 1.1 | Background | ||||
HIP 99273 | 4 | 2007-08-10 | 2007.61 | NIRI | CH4s | 10.497 ± 0.021 | 147.75 ± 0.12 | 13.1 ± 0.1 | 548.2 ± 1.1 | Background | ||||
HIP 99273 | 4 | 2008-09-04 | 2008.68 | NIRI | CH4s | 10.407 ± 0.021 | 147.77 ± 0.12 | 13.0 ± 0.1 | 543.5 ± 1.1 | Background | ||||
HIP 99273 | 5 | 2007-08-10 | 2007.61 | NIRI | CH4s | 10.841 ± 0.021 | 220.66 ± 0.11 | 8.8 ± 0.1 | 566.1 ± 1.1 | Background | ||||
HIP 99273 | 5 | 2008-09-04 | 2008.68 | NIRI | CH4s | 10.845 ± 0.021 | 221.04 ± 0.11 | 8.5 ± 0.1 | 566.3 ± 1.1 | Background | ||||
HIP 99273 | 6 | 2007-08-10 | 2007.61 | NIRI | CH4s | 12.318 ± 0.021 | 75.04 ± 0.10 | 14.1 ± 0.9 | 643.2 ± 1.1 | Background | ||||
HIP 99273 | 6 | 2008-09-04 | 2008.68 | NIRI | CH4s | 12.294 ± 0.021 | 74.66 ± 0.10 | 14.5 ± 0.1 | 642.0 ± 1.1 | Background | ||||
|
||||||||||||||
HR 8799 | 0 | 2008-09-05 | 2008.68 | NIRI | CH4s | 0.630 ± 0.006 | 197.39 ± 0.55 | 11.6 ± 0.3 | 24.8 ± 0.2 | Comovingd | ||||
HR 8799 | 1 | 2007-10-17 | 2007.79 | NIRI | CH4s | 0.943 ± 0.006 | 314.08 ± 0.37 | 13.0 ± 0.4 | 37.2 ± 0.2 | Comovingd | ||||
HR 8799 | 1 | 2008-09-01 | 2008.67 | NIRI | CH4s | 0.943 ± 0.006 | 315.37 ± 0.37 | 12.4 ± 0.3 | 37.2 ± 0.2 | Comovingd | ||||
HR 8799 | 1 | 2008-09-05 | 2008.68 | NIRI | CH4s | 0.945 ± 0.006 | 315.28 ± 0.36 | 11.1 ± 0.1 | 37.2 ± 0.2 | Comovingd | ||||
HR 8799 | 1 | 2008-10-10 | 2008.77 | NIRI | CH4s | 0.937 ± 0.006 | 315.55 ± 0.37 | 12.5 ± 0.5 | 36.9 ± 0.2 | Comovingd | ||||
HR 8799 | 1 | 2008-10-14 | 2008.79 | NIRI | CH4s | 0.943 ± 0.006 | 314.82 ± 0.37 | 10.7 ± 0.2 | 37.2 ± 0.2 | Comovingd | ||||
HR 8799 | 2 | 2007-10-17 | 2007.79 | NIRI | CH4s | 1.721 ± 0.006 | 60.70 ± 0.20 | 13.8 ± 0.2 | 67.8 ± 0.2 | Comovingd | ||||
HR 8799 | 2 | 2008-09-01 | 2008.67 | NIRI | CH4s | 1.709 ± 0.006 | 61.70 ± 0.20 | 13.5 ± 0.2 | 67.3 ± 0.2 | Comovingd | ||||
HR 8799 | 2 | 2008-09-05 | 2008.68 | NIRI | CH4s | 1.722 ± 0.006 | 61.11 ± 0.20 | 12.2 ± 0.1 | 67.8 ± 0.2 | Comovingd | ||||
HR 8799 | 2 | 2008-10-10 | 2008.77 | NIRI | CH4s | 1.768 ± 0.006 | 60.99 ± 0.20 | 14.1 ± 0.4 | 69.7 ± 0.2 | Comovingd | ||||
HR 8799 | 2 | 2008-10-14 | 2008.79 | NIRI | CH4s | 1.731 ± 0.006 | 59.41 ± 0.20 | 11.8 ± 0.1 | 68.2 ± 0.2 | Comovingd | ||||
|
||||||||||||||
HIP 116431 | 0 | 2007-09-12 | 2007.70 | NIRI | CH4s | 8.748 ± 0.021 | 28.89 ± 0.14 | 15.7 ± 0.2 | 598.8 ± 1.4 | Background | ||||
HIP 116431 | 0 | 2008-09-24 | 2008.73 | NIRI | CH4s | 8.761 ± 0.021 | 28.51 ± 0.14 | 15.6 ± 0.3 | 599.7 ± 1.4 | Background |
Notes.
Note that in general, only candidates with a projected separation larger than 320 AU were followed-up.
Background status confirmed by Janson et al. (2011).
Known brown-dwarf companion redetected in our data (Lowrance et al. 2000).
Co-motion of the HR 8799 planets has been confirmed by multiple authors (e.g. see Marois et al. 2008b, 2010b; Bowler et al. 2010b; Currie et al. 2011).
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