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Table A.1.

ALMA 1.14 mm continuum sources toward GGD 27.

α(J2000)a δ(J2000)a σb Iν Sν Tb

18h19m −20 ° 47′ (μJy (mJy (mJy) (K) Counterpart Infrared
id. IAU nomenclature (s) (″) beam−1) beam−1) at other wavelengths Spec. Class.c References
ALMA 1 J181911.48–204722.8 11.4834 22.821 37 0.47 0.47 ± 0.07 5.45 X-ray source: 6a II 1
2MASS J18191146–2047229
ALMA 2 J181911.80–204740.5 11.8025 40.522 33 0.95 1.50 ± 0.09 11.04 CXOPTM J181911.8–204740 III 1,2
(X-ray source: 13)
2MASS: 18191184–2047406
ALMA 3 J181911.84–204743.6 11.8431 43.638 40 1.77 4.57 ± 0.18 20.57
ALMA 4 J181912.09–204727.4 12.0868 27.356 24 0.61 0.66 ± 0.05 7.09
MM1/ALMA 5d J181912.09–204730.9 12.0950 30.952 50 46.00 351.30 ± 0.33 534.65 X-ray source: 9a I 1, 3, 4
Radio source
IRAS 18162–2048
ALMA 6 J181912.11–204725.6 12.1141 25.579 24 0.25 0.28 ± 0.05 2.91
ALMA 7 J181912.12–204730.3 12.1212 30.322 62 0.69 1.06 ± 0.23 8.02
ALMA 8 J181912.14–204730.7 12.1415 30.734 50 1.03 1.44 ± 0.19 11.97
ALMA 9 J181912.17–204728.2 12.1705 28.154 29 0.50 0.56 ± 0.05 5.81 H2O maser 9
ALMA 10 J181912.22–204742.0 12.2216 41.992 33 0.34 0.38 ± 0.06 3.95
ALMA 11 J181912.22–204728.7 12.2236 28.703 25 0.21 0.32 ± 0.07 2.44 2MASS: J18191220–2047297
radio source: VLA 2e 5
ALMA 12 J181912.40–204722.8 12.4022 22.827 30 0.24 0.24 ± 0.05 2.79 Radio Source CS3 6
MM2(W)/ALMA 13 J181912.44–204727.6 12.4431 27.611 29 2.46 2.82 ± 0.06 28.59 Radio source 4
ALMA 14 J181912.46–204734.2 12.4587 34.175 23 0.93 1.11 ± 0.05 10.81
ALMA 15 J181912.46–204735.1 12.4626 35.075 23 0.97 1.00 ± 0.13 11.27
ALMA 16 J181912.48–204735.3 12.4757 35.332 23 1.07 2.70 ± 0.17 12.44 CXOPTM J181912.4–204733 I 1, 2
X-ray source: 10
MM2(E)/ALMA 17 J181912.51–204727.4 12.5105 27.438 39 15.15 33.55 ± 0.43 176.09 Radio source: VLA 3 5, 4, 7, 8
H2O maser
ALMA 18 J181912.58–204721.5 12.5764 21.481 35 0.42 0.46 ± 0.07 4.88
ALMA 19 J181912.59–204737.8 12.5947 37.813 31 0.30 0.37 ± 0.06 3.49
ALMA 20 J181912.85–204724.1 12.8533 24.051 38 0.58 1.86 ± 0.17 6.74
ALMA 21 J181912.92–204739.2 12.9212 39.345 51 0.74 1.21 ± 0.13 8.60 X-ray source: 11 1
ALMA 22 J181912.95–204735.5 12.9480 35.548 40 0.36 0.40 ± 0.09 4.18

Tentative detections:
ALMA 23 J181911.10–204721.3 11.1016 21.301 89 0.54 1.22 ± 0.21 6.28
ALMA 24 J181912.80–204740.6 12.8040 40.637 57 0.29 0.44 ± 0.07 3.37
ALMA 25 J181913.14–204739.2 13.1354 39.148 77 0.47 0.44 ± 0.10 5.46

Notes.

(a)

The position uncertainties are 3 mas or better.

(b)

Local rms measured in a region close to the millimeter source.

(c)

Infrared spectral classification from Pravdo et al. (2009).

(d)

Peak intensity and flux density obtained after subtracting the compact source component (assumed to be free-free emission) detected in Girart et al. (2018). Therefore, these values correspond to the contribution of the dust emission.

(e)

The radio continuum source VLA 2 is offset from ALMA 11.

References. (1): Pravdo et al. (2009); (2): Pravdo et al. (2004); (3): Kurtz et al. (1994); (4): JVLA data from project VLA15A-132; (5): Gomez et al. (1995); (6): Yamashita et al. (1991); (7): Gómez et al. (2003); (8): Martí et al. (1999); (9): Kurtz & Hofner (2005).

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