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Sp. | AV | V | D | Ref. |
type | mag | mag | kpc | |
O7 | 4.2 | 15.1a | ![]() ![]() |
Cohen (1977) |
3.6 | ![]() ![]() |
Humphreys et al. (1980) | ||
A0 | 2.5 | 3.5 ![]() |
Goodrich (1986) |
Estimate of the star's spectral type is listed in Col. 1; interstellar extinction toward the object in Col. 2; object's visual brightness in Col. 3; distance toward the object in Col. 4; and a reference to the estimates in Col. 5; a the brightness for the knot N0. |
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