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Table 5.

Candidate massive prestellar cores with > 100 M at < 5 kpc.

Name Distance vLSR SiO (J = 2−1) HCO+/H13CO+ lines Outflow?+ Infall?
(kpc) (km s−1) detection
GS327.2954−0.5787 2.8 −44.2 ± 1.0 det. (a) det. Y
GS327.2990−0.5735 2.8 −44.0 ± 1.3 det. (a),(d) det. Y
GS333.1274−0.5599 3.5 −54.9 ± 1.7 det. (a),(d) det. Y
GS333.1294−0.5554 3.5 −57.9 ± 2.1 no det. (a),(d) det. Y
GS333.1353−0.5645 3.5 −57.8 ± 1.9 det. (a),(d) det. Y
GS333.1241−0.5594 3.5 −57.3 ± 2.2 det. (a) det. Y
GS333.1280−0.5520 3.5 −57.7 ± 1.9 no det. (a) det. Y
GS333.4641−0.1614 2.9 −43.1 ± 1.4 no det. (a) det.
GS333.6570+0.0587 5.0 −84.6 ± 2.3 no det. (a) det.
GS334.7438+0.5049 3.9 −62.2 ± 5.8 no det. (a) det.
GS336.8802−0.0079 4.6 −73.8 ± 3.0 no det. (a) det.
GS340.2403−0.3735 3.6 −50.1 ± 0.9 det. (a) det. Y
GS340.2504−0.3804 3.6 −50.3 ± 0.8 det. (a),(d) det.
GS341.9324−0.1741 3.3 −43.6 ± 0.7 no det. (a) only HCO+(a)
GS344.5771+0.2166 4.8 −62.3 ± 0.8 no det no det. (a)
GS351.4378+0.6537 1.4 −4.2 ± 0.4 det. det. (a),(c) Y Y
GS351.4416+0.6534 1.4 −4.2 ± 0.4 det. det. (a),(c) Y Y
GS008.4009−0.2888 4.4 37.2 ± 1.1 no det det. (a) Y
GS008.4068−0.2995 4.4 37.0 ± 1.4 no det det. (a),(d) Y
GS009.2098−0.2012 4.8 42.6 ± 2.1 no det det. (a)
GS019.0131−0.0268 4.2 59.8 ± 0.5
GS012.8796−0.2871 3.0 34.2 ± 2.7 det. (b),(c) det. (a) Y
GS028.5585−0.2398 4.7 85.5 ± 0.07 det. (b),(d)
GS028.5643−0.2313 4.7 85.5 ± 0.07 det. (b),(d)
GS028.5665−0.2376 4.7 85.5 ± 0.07 det. (b),(d)
GS035.5766+0.0068 3.2 54.2 ± 0.18 det. (b)
GS035.5816+0.0116 3.2 54.2 ± 0.18 det. (b)

Notes.

(a)

MALT90 data.

(b)

Results from Csengeri et al. (2016a).

(c)

Possible contamination by a nearby bright source.

(d)

Within the same beam as the core above. In the last two columns, sources without observations are left blank; “Y” stands for confirmation and “–” otherwise.

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