Year | Aspect | ![]() |
U-B | B-V | Ref.a |
deg | deg | mag | mag | ||
1954 | -75 | 23 | 0.24 | 0.69 | GK |
1970 | 86 | 17 | 0.26 | 0.70 | TT |
1974 | 70 | 5 | - | 0.71 | ZH |
1975 | 95 | 21 | 0.27 | 0.70 | Z |
1981 | -74 | 6 | 0.27 | 0.70 | P |
1982 | 59 | 0.9 | 0.37 | 0.74 | this paper |
1982 | 59 | 15.6 | 0.21 | 0.75 | this paper |
a Groeneveld Kuiper (1954) (GK); Piironen (1982) (P);
Taylor Tedesco (1983) (TT); Zappala van Houten-Groeneveld (1979) (ZH); Zellner et al. (1977) (Z). |