ALMA observations of the early stages of substellar formation in the Lupus 1 and 3 molecular clouds

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Table 2.

Properties of the ALMA continuum detections at 1.3 mm wavelength.

Name	RA (J2000) ⁽¹⁾	Dec (J2000) ⁽¹⁾	Astrometric ⁽²⁾	Separation from	rms	Flux ⁽³⁾	Peak	Integrated ⁽⁴⁾	Image component size ⁽⁴⁾			Peak flux ⁽⁴⁾	Beam size ⁽⁴⁾
			accuracy	phase center		density	intensity	flux	deconvolved from beam
	[h m s]	[° ′ ″]	[mas]	[arcsec]	[mJy beam⁻¹]	[mJy]	[mJy beam⁻¹]	[mJy]	Major axis	Minor axis	Position angle	[mJy beam⁻¹]	Major	Minor	PA
									[mas]	[mas]	[deg]		[arcsec]	[arcsec]	[deg]
ALMA J153702.653−331924.92	15:37:02.653	−33:19:24.92	251	4.82	0.096	0.45	0.45	0.43 ± 0.09	–	–	–	0.48 ± 0.06	0.94	0.93	32
ALMA J153914.996−332907.62	15:39:14.996	−33:29:07.62	151	9.62	0.094	0.73	0.73	0.82 ± 0.08	–	–	–	0.74 ± 0.04	0.91	0.83	−84
ALMA J154228.675−334230.18	15:42:28.675	−33:42:30.18	75	9.71	0.14	2.84	2.25	3.33 ± 0.16	–	–	–	2.23 ± 0.07	0.94	0.93	9
ALMA J154229.778−334241.86	15:42:29.778	−33:42:41.86	44	10.12	0.11	4.06	2.81	4.50 ± 0.12	770 ± 40	640 ± 40	57 ± 13	2.85 ± 0.05	0.94	0.93	9
ALMA J154456.522−342532.99	15:44:56.522	−34:25:32.99	42	6.24	0.068	2.50	1.92	2.79 ± 0.11	840 ± 60	280 ± 80	79 ± 4	1.94 ± 0.05	0.91	0.83	−83
ALMA J154458.061−342528.51	15:44:58.061	−34:25:28.51	80	13.36	0.097	1.42	1.42	1.49 ± 0.06	–	–	–	1.44 ± 0.03	0.91	0.83	−83
ALMA J154506.515−344326.15	15:45:06.515	−34:43:26.15	180	11.97	0.089	0.58	0.58	0.49 ± 0.02	–	–	–	0.59 ± 0.01	0.95	0.82	−81
ALMA J154634.169−343301.90	15:46:34.169	−34:33:01.90	130	14.77	0.083	0.75	0.75	0.83 ± 0.02	–	–	–	0.76 ± 0.01	0.96	0.82	−82
ALMA J160658.604−390407.885	16:06:58.604	−39:04:07.88	152	7.60	0.062	0.48	0.48	0.66 ± 0.04	–	–	–	0.49 ± 0.02	0.93	0.85	87
ALMA J160804.168−390452.84	16:08:04.168	−39:04:52.84	126	4.31	0.093	0.87	0.87	1.01 ± 0.05	–	–	–	0.87 ± 0.03	0.93	0.85	86
160826.8−384101	16:08:26.773	−38:41:01.48	44	9.06	0.059	1.57	1.57	1.58 ± 0.05	–	–	–	1.63 ± 0.03	0.93	0.85	87
V1094 Sco	16:08:36.157	−39:23:02.74	4	15.82	0.23	244.05	73.64	218 ± 6	1760 ± 60	1090 ± 40	108 ± 4	61.8 ± 1.4	0.92	0.84	84
Lup 706	16:08:37.316	−39:23:11.38	226	0.50	0.090	0.47	0.47	0.53 ± 0.04	–	–	–	0.46 ± 0.02	0.93	0.85	85
Par-Lup 3−4	16:08:51.426	−39:05:30.82	196	0.05	0.031	0.31	0.31	0.41 ± 0.07	–	–	–	0.28 ± 0.04	0.93	0.84	84
SONYC-Lup 3−7	16:08:59.530	−38:56:27.96	270	6.26	0.055	0.32	0.32	0.45 ± 0.04	–	–	–	0.32 ± 0.02	0.93	0.84	83
ALMA J160920.089−384515.92	16:09:20.089	−38:45:15.92	113	6.01	0.078	0.90	0.90	1.18 ± 0.11	–	–	–	0.82 ± 0.05	0.93	0.85	86
ALMA J160920.171−384456.40	16:09:20.171	−38:44:56.40	226	13.75	0.18	0.91	0.91	1.2 ± 0.2	–	–	–	0.90 ± 0.10	0.93	0.85	86
ALMA J160932.167−390832.27	16:09:32.167	−39:08:32.27	145	11.89	0.13	0.62	0.62	0.47 ± 0.04	–	–	–	0.65 ± 0.03	1.12	0.82	85.61
ALMA J161030.273−383154.52	16:10:30.273	−38:31:54.52	108	4.76	0.064	0.70	0.70	0.72 ± 0.03	–	–	–	0.71 ± 0.02	0.93	0.85	86.24

Notes.

⁽¹⁾

J2000.0 positions of the peak intensity in right ascension and declination.

⁽²⁾

https://help.almascience.org/index.php?/Knowledgebase/Article/View/319/6/what-is-the-astrometric-accuracy-of-alma, ALMA Technical Handbook, Chapter 10.5.2 Astrometric Observations.

⁽³⁾

Flux density measured inside the contour at the 3σ level.

⁽⁴⁾

Integrated flux, deconvolved size, peak flux, and beam size obtained from a Gaussian fitting using the CASA task imfit.

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