| discov_num | notes | refcode |
| H 2 19 | H II 19. rho Oph = 5 Oph. Spectrum of D: B3/4V. Based on the long term | |
| double star measures, the Tycho-2 proper motion is not correct. The | VlF2007 | |
| proper motion from the new Hipparcos reduction is given here. |
| refcode | metd | author | reference |
| Izm2019 | orb u | Izmailov, I.S. | 2019AstL...45...30I |
| Izm2019 | Ast. Lett. 45, 30, 2019 | ||
| Izm2019 | |||
| Izm2019 | |||
| VlF2007 | - | van Leeuwen, F. | 2007A&A...474..653V |
| VlF2007 | A&A 474, 653, 2007 |
| discov | author |
| BU | Burnham, S.W. (BU 1 - 81) |
| IZM | Izmailov, I.S., Khovricheva, M.L., Khovrichev, M. Yu., Kiyaeva, O.V., Khrutskaya, |
| IZM | E.V., Romanenko, L.G., Grosheva, E.A., Maslennikov, K.L. & Kalinichenko, O.A. |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | dm_number | notes | coord_arcsec_2000 |
| 16256-2327 | H 2 19 | AB | 2007 | 103 | 337 | 3.3 | 5.07 | 5.74 | B2IV B2V | -2312861 | NCD | 162535.12-232649.6 |
| 16256-2327 | H 2 19 | AB | 2009 | 104 | 334 | 3.3 | 5.07 | 5.74 | B2IV B2V | -2312861 | NCD | 162535.12-232649.6 |
| 16256-2327 | H 2 19 | AB | 2012 | 104 | 336 | 3.0 | 5.07 | 5.74 | B2IV+B2V | -2312861 | NCD | 162535.12-232649.6 |
| 16256-2327 | H 2 19 | AB | 2016 | 106 | 338 | 3.2 | 5.07 | 5.74 | B2IV+B2V | -2312861 | NC | 162535.03-232647.0 |
| 16256-2327 | H 2 19 | AB | 2017 | 108 | 334 | 3.0 | 5.07 | 5.74 | B2IV+B2V | -2312861 | NC | 162535.03-232647.0 |
| 16256-2327 | H 2 19 | AB | 2021 | 111 | 335 | 3.0 | 5.07 | 5.74 | B2IV+B2V | -2312861 | NO | 162535.03-232647.0 |