Table 1
Known parameters from the literature.
| Name | Other names | RA (J2000) | Dec (J2000) | Region | D | SpT | U | B | V | R | I | J | H | K | Ref. |
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| TWA9A | CD −36 7429A | 11 48 24.22 | −37 28 49.15 | TW Hya | 68 | K5 | ... | 12.52 | 11.26 | ... | 6.94 | 8.68 | 8.03 | 7.85 | 1, 2, 3 |
| SO879 | ... | 05 39 05.42 | −02 32 30.34 | σ Ori | 360 | K5 | 17.09 | 14.70 | 14.44 | 13.53 | 12.83 | 11.55 | 10.86 | 10.67 | 3, 4, 5, 6, 7, 8, 9 |
| TWA6 | Tyc 7183 1477 1 | 10 18 28.70 | −31 50 02.85 | TW Hya | 51 | M0 | ... | 13.39 | 11.81 | ... | 9.94 | 8.87 | 8.18 | 8.04 | 1, 3, 10 |
| TWA25 | Tyc 7760 283 1 | 12 15 30.71 | −39 48 42.56 | TW Hya | 54 | M0 | ... | 12.85 | 11.44 | ... | 9.50 | 8.17 | 7.50 | 7.31 | 1, 3, 11, 12 |
| TWA14 | UCAC2 12427553 | 11 13 26.22 | −45 23 42.74 | TW Hya | 96 | M0.5 | ... | ... | 13.80 | ... | 10.95 | 9.15 | 8.73 | 8.50 | 2, 3, 13 |
| TWA13B | RX J1121.3−3447S | 11 21 17.4 | −34 46 50 | TW Hya | 59 | M1 | ... | 12.88 | 11.46 | ... | 9.57 | 8.43 | 7.73 | 7.49 | 1, 3, 11, 12 |
| TWA13A | RX J1121.3−3447N | 11 21 17.24 | −34 46 45.5 | TW Hya | 59 | M1 | ... | 13.43 | 11.96 | ... | 9.88 | 8.43 | 7.68 | 7.46 | 1, 3, 11, 12 |
| TWA2A | CD −29 8887A | 11 09 13.81 | −30 01 39.8 | TW Hya | 47 | M2 | ... | 12.55 | 11.07 | ... | 9.20 | 7.63 | 6.93 | 6.71 | 1, 2, 3 |
| Sz122 | ... | 16 10 16.42 | −39 08 05.07 | Lup III | 200 | M2 | ... | 15.33 | 13.73 | 13.28 | 12.12 | 10.89 | 10.12 | 9.93 | 3, 14, 15, 16 |
| TWA9B | CD −36 7429B | 11 48 23.73 | −37 28 48.5 | TW Hya | 68 | M1 | ... | 15.43 | 14.00 | ... | 11.45 | 9.98 | 9.38 | 9.15 | 1, 2, 3 |
| TWA15B | ... | 12 34 20.47 | −48 15 19.5 | TW Hya | 111 | M2 | ... | 13.30 | 12.20 | 13.41 | 11.80 | 10.49 | 9.83 | 9.56 | 3, 17, 18, 19 |
| TWA7 | Tyc 7190 2111 1 | 10 42 30.06 | −33 40 16.62 | TW Hya | 28 | M2 | ... | 12.21 | 10.91 | ... | 9.10 | 7.79 | 7.12 | 6.90 | 1, 3, 10 |
| TWA15A | ... | 12 34 20.65 | −48 15 13.5 | TW Hya | 111 | M1.5 | ... | 13.30 | 12.20 | 13.51 | 11.90 | 10.56 | 9.93 | 9.67 | 3, 18, 19 |
| Sz121 | ... | 16 10 12.19 | −39 21 18.11 | Lup III | 200 | M3 | ... | 15.70 | 14.06 | 13.88 | 11.84 | 10.08 | 9.31 | 9.03 | 3, 15, 16 |
| Sz94 | ... | 16 07 49.59 | −39 04 28.79 | Lup III | 200 | M4 | ... | 16.31 | 16.00 | 14.76 | 12.90 | 11.45 | 10.81 | 10.56 | 3, 15, 16 |
| SO797 | ... | 05 38 54.92 | −02 28 58.35 | σ Ori | 360 | M4 | 21.05 | 19.84 | 18.61 | 17.26 | 15.50 | 13.80 | 13.20 | 12.87 | 3, 5, 20, 21 |
| SO641 | ... | 05 38 38.58 | −02 41 55.86 | σ Ori | 360 | M5 | 21.65 | ... | ... | 18.28 | 16.36 | 14.56 | 13.97 | 13.65 | 3, 5, 22, 23 |
| Par−Lup3−2 | ... | 16 08 35.78 | −39 03 47.91 | Lup III | 200 | M6 | ... | 16.88 | 15.49 | 15.02 | 13.09 | 11.24 | 10.73 | 10.34 | 3, 15, 24 |
| SO925 | ... | 05 39 11.39 | −02 33 32.78 | σ Ori | 360 | M5.5 | 22.57 | ... | ... | ... | 16.54 | 14.45 | 13.93 | 13.57 | 3, 5, 9, 22 |
| SO999 | ... | 05 39 20.23 | −02 38 25.87 | σ Ori | 360 | M5.5 | 21.41 | 21.12 | 18.97 | 17.57 | 15.56 | 13.61 | 13.04 | 12.78 | 3, 5, 21, 22 |
| Sz107 | ... | 16 08 41.79 | −39 01 37.02 | Lup III | 200 | M5.5 | ... | 17.31 | 16.06 | 15.42 | 13.20 | 11.25 | 10.62 | 10.31 | 3, 15, 16, 25 |
| Par−Lup3−1 | ... | 16 08 16.03 | −39 03 04.29 | Lup III | 200 | M7.5 | ... | 17.74 | 19.92 | 18.15 | 15.28 | 12.52 | 11.75 | 11.26 | 3, 15, 24 |
| TWA26 | 2M J1139511−315921 | 11 39 51.14 | −31 59 21.50 | TW Hya | 42 | M9 | ... | 20.10 | ... | 18.10 | 15.83 | 12.69 | 12.00 | 11.50 | 3, 26, 27 |
| TWA29 | DENIS−P J124514.1−442907 | 12 45 14.16 | −44 29 07.7 | TW Hya | 79 | M9.5 | ... | ... | ... | ... | 18.00 | 14.52 | 13.80 | 13.37 | 28, 29 |
Notes. Distances to TW Hya objects are obtained by Weinberger et al. (2013), by Torres et al. (2008), and by Mamajek (2005), to σ Ori by Brown et al. (1994), and to Lupus III by Comerón (2008).
Reference. (1) Torres et al. (2006); (2) Barrado Y Navascués (2006); (3) Cutri et al. (2003); (4) Caballero et al. (2010); (5) Rigliaco et al. (2011); (6) Morrison et al. (2001); (7) Hernández et al. (2007); (8) Sacco et al. (2008); (9) Caballero (2008); (10) Høg et al. (2000); (11) Zuckerman & Song (2004); (12) Messina et al. (2010); (13) Riaz et al. (2006); (14) Gómez & Mardones (2003); (15) Merín et al. (2008); (16) Cieza et al. (2007); (17) Shkolnik et al. (2011); (18) Samus’ et al. (2003); (19) Zuckerman et al. (2001); (20) Oliveira et al. (2006); (21) Sherry et al. (2004); (22) Rigliaco et al. (2012); (23) Burningham et al. (2005); (24) Comerón et al. (2003); (25) Hughes et al. (1994); (26) Reid et al. (2008); (27) DENIS Consortium (2005); (28) Kirkpatrick et al. (2008); (29) Looper et al. (2007).
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