| discov_num | notes | refcode |
| HDO 180 | A is a spectroscopic binary. | |
| Primary is planet host star, P=339d. B comp is LHS 1021. Pair bound. | ||
| Photometry suggests companion K8.5-M1.5 with mass 0.59 +/- 0.02 Msun. | Egn2007 |
| refcode | metd | author | reference |
| Egn2007 | Ao j | Eggenberger, P., Udry, S., Chauvin, G. Beuzit, J.-L., Lagrange, A.-M., Segransan, | 2007A&A...474..273E |
| Egn2007 | D., & Mayor, M. | ||
| Egn2007 | A&A 474, 273, 2007 |
| idgroup | discov | author |
| 1 | HDO | Harvard Obs. |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 00063-4905 | HDO 180 | 2000 | 7 | 183 | 4.1 | 5.70 | 11.50 | G1IV | N DV | 000618.66-490430.3 | |
| 00063-4905 | HDO 180 | 2005 | 11 | 184 | 4.1 | 5.70 | 11.50 | G1IV | NVD | 000618.66-490430.3 | |
| 00063-4905 | HDO 180 | 2015 | 12 | 186 | 3.9 | 5.70 | 11.50 | G1IV | NV | 000619.18-490430.7 | |
| 00063-4905 | HDO 180 | 2016 | 13 | 186 | 3.9 | 5.70 | 11.50 | G1IV | NV | 000619.18-490430.7 |