| discov_num | notes | refcode |
| CHR 239 | Astrometric binary; dm 2.4 mag, period ~ 10y? Accelerated pm | Tok2012b |
| Omega for Tokovinin et al. (2014) orbit flipped by 180deg, at request | ||
| of author. | Tok2014a |
| refcode | metd | author | reference |
| Tok2012b | S j | Tokovinin, A. | 2012AJ....144...56T |
| Tok2012b | +orb | AJ 144, 56, 2012 | |
| Tok2014a | orb j | Tokovinin, A., Mason, B.D., & Hartkopf, W.I. | 2014AJ....147..123T |
| Tok2014a | +St | AJ 147, 123, 2014 (some measures corrected in Tok2017b) | 2017AJ....154..110T |
| discov | author |
| CHR | Center for High Ang. Res. Astronomy (speckle interferometry systems) |
| TOK | Tokovinin, A., Cantarutti, R., Tighe, R., Schurter, P., van der Bliek, N., |
| TOK | Martinez, M., & Mondaca, E. |
| TOK | Tokovinin, A., Corbett, H., Fors, O., Howard, W., Law, N.M., Moe, M., |
| TOK | Tokovinin, A. & Briceno, C. |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | dm_number | notes | coord_arcsec_2000 |
| 09191-4128 | CHR 239 | 1996 | 1 | 93 | 0.1 | 7.50 | 8.80 | G2V | -40 5108 | D | 091904.43-412805.6 | |
| 09191-4128 | CHR 239 | 2001 | 2 | 167 | 0.1 | 7.50 | 8.80 | G2V | -40 5108 | D | 091904.43-412805.6 | |
| 09191-4128 | CHR 239 | 2011 | 3 | 12 | 0.1 | 7.50 | 8.80 | G2V | -40 5108 | D | 091904.43-412805.6 | |
| 09191-4128 | CHR 239 | 2012 | 5 | 345 | 0.1 | 7.50 | 8.80 | G2V | -40 5108 | D | 091904.43-412805.6 | |
| 09191-4128 | CHR 239 | 2013 | 6 | 288 | 0.1 | 7.50 | 8.80 | G2V | -40 5108 | D | 091904.43-412805.6 | |
| 09191-4128 | CHR 239 | 2014 | 11 | 191 | 0.1 | 7.50 | 8.80 | G2V | -40 5108 | NO | 091904.43-412805.6 | |
| 09191-4128 | CHR 239 | 2015 | 13 | 313 | 0.1 | 7.50 | 8.80 | G2V | -40 5108 | NO | 091904.43-412805.6 | |
| 09191-4128 | CHR 239 | 2016 | 15 | 290 | 0.1 | 7.50 | 8.80 | G2V | -40 5108 | NO | 091904.43-412805.6 | |
| 09191-4128 | CHR 239 | 2018 | 16 | 270 | 0.1 | 7.50 | 8.80 | G2V | -40 5108 | NO | 091904.43-412805.6 | |
| 09191-4128 | CHR 239 | 2019 | 18 | 235 | 0.1 | 7.50 | 8.80 | G2V | -40 5108 | NO | 091904.43-412805.6 | |
| 09191-4128 | CHR 239 | 2021 | 19 | 211 | 0.1 | 7.50 | 8.80 | G2V | -40 5108 | NO | 091904.43-412805.6 | |
| 09191-4128 | CHR 239 | 2022 | 20 | 184 | 0.1 | 7.50 | 8.80 | G2V | -40 5108 | NO | 091904.43-412805.6 | |
| 09191-4128 | CHR 239 | 2023 | 22 | 119 | 0.1 | 7.50 | 8.80 | G2V | -40 5108 | NO | 091904.43-412805.6 |