| discov_num | notes | refcode |
| ALP 20 | 2MASSW J1710255+210715 | |
| Physical companionship to this ultracool dwarf ruled out based on i-z | ||
| and z-J colors, using photometry from SDSS. | AlP2007 |
| refcode | metd | author | reference |
| AlP2007 | Ci - | Allen, P.R., Koerner, D.W., McElwain, M.W., Cruz, K.L., & Reid, I.N. | 2007AJ....133..971A |
| AlP2007 | AJ 133, 971, 2007 | ||
| AlP2007 | (deep-imaging search for wide companions to 132 M7-L8 dwarfs, using IRTF NSFCam) |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 17104+2107 | ALP 20 | AB | 2001 | 1 | 278 | 7.7 | 15.74 | N K | 171025.45+210715.5 |