| Obj. Type | Acronym | (Explanation) | Format | ||
| + | Star | Blanco | (Blanco) | UBV NNNNN | |
| blue | UB | (Ultraviolet Blue) | [A77] NGC NNNN UB N | ||
| ? | UB | (Ultraviolet Blue) | [A81b] NGC NNNN UB NN | ||
| blue | UB | (Ultraviolet Blue) | [ADW79] NGC 772 UB N | ||
| + | UV (NGC 3384) | UB | (Ultraviolet Blue) | [ASD79] NGC 3384 UBNN | |
| + | QSO (NGC 7714) | UB | (Ultraviolet Blue) | [SA78] NGC 7714 UBN | |
| Radio | UBA | (University of Bonn list A) | [M59c] NNa | ||
| E | Cluster*_Candidate | UBC | (University of Barcelona Cluster) | UBC NNNa | |
| E+ | MolCld (NGC 4526) | [UBD2015] | (Utomo+Blitz+Davis+ 2015) | [UBD2015] NNN | |
| E | Infrared | [UBH2007] | (Urquhart+Busfield+Hoare+ 2007) | (not yet in Simbad) | |
| E | Infrared | [UBH2007a] | (Urquhart+Busfield+Hoare+ 2007) | [UBH2007] GLLL.llll+BB.bbbb A | |
| E | YSO_Candidate | [UBH2007b] | (Red MSX Source) | (not yet in Simbad) | |
| E | Infrared | [UBH2008] | (Urquhart +Busfield+Hoare+ 2008) | (not yet in Simbad) | |
| + | Galaxy (Coma Cluster = ACO 1656) | [UBM96] | (Ulmer+Bernstein+Martin+ 1996) | [UBM96] NN
[UBM96] NNL | |
| + | Radio (Cl Terzan 5) | [UBS2020] | (Urquhart+Bahramian+Strader+ 2020) | [UBS2020] Ter5-VLANN | |
| + | Star | UBV | (UBV system) | UBV NNNNN | |
| E+ | QSO_Candidate | [UBW2009] | (Urrutia+Becker+White+ 2009) | [UBW2009] NNN | |
| + | Star | USN | (US Naval obs.) | UBV NNNNN | |
| + | Star | WPC | (Washington Photoelectric Catalogue) | UBV NNNNN |
Acronyms flagged by + are completely incorporated in Simbad
Acronyms flagged by E are available in electronic form at CDS