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Table 3.

Lower limit luminosities and masses computed from X-shooter upper limits to the magnitudes.

Object J (mag) log10(L/L) log10(L/L) M/M
This work This work This work
S1 17.9 ± 0.2 4.8 ± 0.1 4.1 ± 0.1 15
S1-SE 17.8 ± 0.2 4.2 ± 0.1 16
S2 21.6 ± 3.4 3.8 ± 0.2 2.6 ± 1.3 6
S3 18.6 ± 0.4 3.7 (1) 3.8 ± 0.1 13
S3-K 15.0 ± 0.2 3.3 ± 0.1 2.7 ± 0.1 6
S4 16.7 ± 0.2 5.2 ± 0.1 4.6 ± 0.1 21
S5-A 16.9 ± 0.2 5.7 ± 0.1 (2) 4.9 ± 0.1 25
S5-B 19.9 ± 0.6 3.3 ± 0.2 9
S5-C 20.1 ± 0.6 3.2 ± 0.2 8
S5-D 18.3 ± 0.3 4.0 ± 0.1 14
S5-E 20.0 ± 0.5 3.7 (1) 3.3 ± 0.2 9
S5-F 19.4 ± 0.5 3.5 ± 0.2 10
S6 17.2 ± 0.2 5.0 ± 0.1 4.4 ± 0.1 18
S7-A 16.6 ± 0.2 4.3 ± 0.1 4.4 ± 0.1 18
S7-B 17.7 ± 0.2 5.0 ± 0.1 4.2 ± 0.1 16
S8 17.6 ± 0.3 5.0 ± 0.1 (3) 4.2 ± 0.1 16
S9 19.8 ± 0.8 3.7 (1) 3.4 ± 0.3 9
S10-A 20.8 ± 1.8 3.8 ± 0.1 3.0 ± 0.7 7
S10-BC 20.0 ± 0.7 3.7 (1) 3.3 ± 0.3 9
S10-K 20.2 ± 0.8 3.8 ± 0.1 3.2 ± 0.3 8
S10-SW-A 17.7 ± 0.2 4.6 ± 0.1 4.2 ± 0.1 16
S10-SW-B 19.7 ± 0.4 3.9 ± 0.1 3.4 ± 0.2 9
R135 13.4 ± 0.2 6.9 ± 0.1 (2)(4) 6.4 ± 0.1 (4)

Notes. Objects shown in bold are the MYSOs confirmed in this work. The luminosity in the third column computed from the J-band magnitude of Walborn et al. (2013). Since we used magnitude upper limits in this work to compute the luminosity and mass, the values in this table are lower limits.

(1)

Calculated for a J >  19 lower limit and therefore an upper limit to the luminosity.

(2)

Using the magnitude from the 2MASS database (Cutri et al. 2003).

(3)

Computed for the combined magnitude of both sources.

(4)

For AV = 0.

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