Table 2
Information of YSOs in G53.
| id | Mgas a | M★ total | t★ | SFE | SFR | Ntotalb | NI | NII | NIII | NFlat | Nphot | NNoClass |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| (M⊙) | (M⊙) | (Myr) | (M⊙/Myr) | |||||||||
| G53W | 9889 | 696.56 | 2.02 | 0.07 | 345.03 | 156 | 38 | 50 | 26 | 31 | 9 | 2 |
| G53E | 9485 | 630.24 | 2.12 | 0.06 | 297.64 | 149 | 26 | 64 | 22 | 25 | 9 | 3 |
| 1(C2) | 393 | 64.29 | 1.66 | 0.14 | 38.69 | 29 | 11 | 11 | 0 | 7 | 0 | 0 |
| 2(C4) | 460 | 11.29 | 1.07 | 0.02 | 10.60 | 8 | 3 | 2 | 0 | 3 | 0 | 0 |
| 3 | 287 | 17.75 | 0.87 | 0.06 | 20.41 | 12 | 5 | 4 | 0 | 3 | 0 | 0 |
| 4 | 263 | 37.47 | 1.81 | 0.12 | 20.65 | 10 | 3 | 4 | 1 | 1 | 1 | 0 |
| 5 | 213 | 24.94 | 2.30 | 0.10 | 10.84 | 6 | 3 | 2 | 1 | 0 | 0 | 0 |
| 6(C3) | 443 | 51.84 | 2.16 | 0.10 | 24.04 | 23 | 7 | 9 | 0 | 7 | 0 | 0 |
| 7(C1) | 401 | 45.70 | 2.50 | 0.10 | 18.28 | 19 | 2 | 15 | 0 | 2 | 0 | 0 |
Notes. This table provides parameters on the seven regions indicated by the red circles in Figs. 2 and 5. The columns represent the following: region ID, molecular cloud mass, stellar mass, stellar evolution time, star formation efficiency, star formation rate, number of total YSO candidates, number of Class I, number of Class II, number of Class III, number of Flat spectrum, number of photospheric sources and number of sources without classification. (a)The calculation of Mgas used the Herschel H2 column density. (b)Ntotal is the total number of Class I, Class II, Class III, Flat spectrum sources, photospheric sources and sources without classification.
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