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Table C.1.

Description of columns of the final catalog containing all sources discussed in this paper.

Column Column Units Description
number name
1 RAJ2000 hh:mm:ss Right ascension taken from the reference as given in Col. 3.
2 DecJ2000 dd:mm:ss Declination taken from the reference as given in Col. 3.
3 Ref The Reference tells the origin of the coordinates. (1) VISTA coordinates, Meingast et al. (2016);
(2) Spitzer coordinates, Megeath et al. (2012; (3) Herschel/PACS point source catalog coordinates, Pilbratt et al. (2010).
4 VISTA VISTA identification number
5 WISE WISE identification number
6 PACS Herschel/PACS point source catalog (HPPSC) identification number
7 ID Running identification number from this work
8 MGM Source index from Megeath et al. (2012) or Megeath et al. (2016) for MGM sources
9 HOPS Source index from Furlan et al. (2016) for HOPS sources
10 Simbad_Name Main identification as given in the SIMBAD Astronomical Database (Wenger et al. 2000)
11 Otype Object Type as given in SIMBAD
12 Jmag mag J magnitude from VISTA
13 e_Jmag mag 1σ error of J magnitude from VISTA
14 Hmag mag H magnitude from VISTA
15 e_Hmag mag 1σ error of H magnitude from VISTA
16 Ksmag mag Ks magnitude from VISTA
17 e_Ksmag mag 1σ error of Ks magnitude from VISTA
18 IRAC1 mag IRAC1 magnitude from Spitzer/IRAC
19 e_IRAC1 mag Error of IRAC1 magnitude from Spitzer/IRAC
20 IRAC2 mag IRAC2 magnitude from Spitzer/IRAC
21 e_IRAC2 mag Error of IRAC2 magnitude from Spitzer/IRAC
22 IRAC3 mag IRAC3 magnitude from Spitzer/IRAC
23 e_IRAC3 mag Error of IRAC3 magnitude from Spitzer/IRAC
24 IRAC4 mag IRAC4 magnitude from Spitzer/IRAC
25 e_IRAC4 mag Error of IRAC4 magnitude from Spitzer/IRAC
26 MIPS1 mag MIPS1 magnitude from Spitzer/MIPS
27 e_MIPS1 mag Error of MIPS1 magnitude from Spitzer/MIPS
28 W1 mag W1 magnitude given as w1mpro in the AllWISE catalog
29 e_W1 mag Error of W1 magnitude given as w1sigmpro in the AllWISE catalog
30 W2 mag W2 magnitude given as w2mpro in the AllWISE catalog
31 e_W2 mag Error of W2 magnitude given as w2sigmpro in the AllWISE catalog
32 W3 mag W3 magnitude given as w3mpro in the AllWISE catalog
33 e_W3 mag Error of W3 magnitude given as w3sigmpro in the AllWISE catalog
34 W4 mag W4 magnitude given as w4mpro in the AllWISE catalog
35 e_W4 mag Error of W4 magnitude given as w4sigmpro in the AllWISE catalog
36 alpha_KM Observed spectral index αKM from 2.15 to 24 μm covering VISTA/KS, the four IRAC bands, and MIPS1
37 e_alpha_KM Fitting error of αKM
38 alpha_IM Observed spectral index αIM from 3.6 to 24 μm covering the four IRAC bands and MIPS1
39 e_alpha_IM Fitting error of αIM
40 alpha_IRAC Observed spectral index αIRAC from 3.6 to 8 μm covering the four IRAC bands
41 e_alpha_IRAC Fitting error of αIRAC
42 alpha_I2M Observed spectral index αI2M from 4.5 to 24 μm covering three IRAC bands and MIPS1
43 e_alpha_I2M Fitting error of αI2M
44 alpha_I3M Observed spectral index αI3M from 5.8 to 24 μm covering two IRAC bands and MIPS1
45 e_alpha_I3M Fitting error of αI3M
46 alpha_KI3 Observed spectral index αKI3 from 2.15 to 5.8 μm covering VISTA/KS and three IRAC bands
47 e_alpha_KI3 Fitting error of αKI3
48 alpha_KW3 Observed spectral index αKW3 from 2.15 to 12 μm covering VISTA/KS and the first three WISE bands
49 e_alpha_KW3 Fitting error of αKW3
50 alpha_KW Observed spectral index αKW from 2.15 to 22 μm covering VISTA/KS and all four WISE bands
51 e_alpha_KW Fitting error of αKW
52 alpha_W13 Observed spectral index αW13 from 3.4 to 12 μm covering the first three WISE bands
53 e_alpha_W13 Fitting error of αW13
54 alpha_WISE Observed spectral index αWISE from 3.4 to 22 μm covering the four WISE bands
55 e_alpha_WISE Fitting error of αWISE
56 alpha_KW12M Observed spectral index αKW12M from 2.15 to 24 μm covering VISTA/KS, the first two WISE bands, and MIPS1
57 e_alpha_KW12M Fitting error of αKW12M
58 alpha_KM_0 De-reddened spectral index αKM from 2.15 to 24 μm covering VISTA/KS, the four IRAC bands, and MIPS1
59 e_alpha_KM_0 Fitting error of αKM
60 alpha_IM_0 De-reddened spectral index αIM from 3.6 to 24 μm covering the four IRAC bands and MIPS1
61 e_alpha_IM_0 Fitting error of αIM
62 alpha_IRAC_0 De-reddened spectral index αIRAC from 3.6 to 8 μm covering the four IRAC bands
63 e_alpha_IRAC_0 Fitting error of αIRAC
64 alpha_I2M_0 De-reddened spectral index αI2M from 4.5 to 24 μm covering three IRAC bands and MIPS1
65 e_alpha_I2M_0 Fitting error of αI2M
66 alpha_I3M_0 De-reddened spectral index αI3M from 5.8 to 24 μm covering two IRAC bands and MIPS1
67 e_alpha_I3M_0 Fitting error of αI3M
68 alpha_KI3_0 De-reddened spectral index αKI3 from 2.15 to 5.8 μm covering VISTA/KS and three IRAC bands
69 e_alpha_KI3_0 Fitting error of αKI3
70 alpha_KW3_0 De-reddened spectral index αKW3 from 2.15 to 12 μm covering VISTA/KS and the first three WISE bands
71 e_alpha_KW3_0 Fitting error of αKW3
72 alpha_KW_0 De-reddened spectral index αKW from 2.15 to 22 μm covering VISTA/KS and all four WISE bands
73 e_alpha_KW_0 Fitting error of αKW
74 alpha_W13_0 De-reddened spectral index αW13 from 3.4 to 12 μm covering the first three WISE bands
75 e_alpha_W13_0 Fitting error of αW13
76 alpha_WISE_0 De-reddened spectral index αWISE from 3.4 to 22 μm covering the four WISE bands
77 e_alpha_WISE_0 Fitting error of αWISE
78 alpha_KW12M_0 De-reddened spectral index αKW12M from 2.15 to 24 μm covering VISTA/KS, the first two WISE bands, and MIPS1
79 e_alpha_KW12M_0 Fitting error of αKW12M
80 AK_Herschel mag The extinction extracted from the Herschel map at the position of each source.
81 AK_IR mag The line-of-sight foreground extinction towards each source, mainly obtained by the NICER technique using VISTA NIR data.
See column “AK_method” for more details.
82 AK_method The method, which was used to infer the line-of-sight extinction towards each source. The used methods are:
LIT(Ref): Extinction taken from spectral surveys from the Literature with the Reference in brackets: (4) Hillenbrand (1997),
(5) Fang et al. (2009, 2013), (6) Furlan et al. (2016);
NICER (Lombardi & Alves 2001); JH (reddening E(J − H)); HK (reddening E(H − K)); JK (reddening E(J − K)); PNICER (Meingast et al. 2017);
HERSCHEL (If the individual line-of-sight extinction is significantly larger than that of the cloud, measured by Herschel (AK, IR >  AK, Herschel),
or when too few bands were available for an extinction calculation, then AK, Herschel was used for an estimate of line-of-sight extinction
towards that source, while larger values than AK >  9 mag were not allowed);
83 ClassCog VISTA extension flag {0,1}. Source morphology derived from variable aperture photometry in combination with machine learning techniques.
0 indicates an extended object, 1 indicates point-like morphology.
84 ClassSex VISTA extension flag [0,1]. Determined by the source extraction algorithm SExtractor. Values close to 0 indicate an extended object,
values close to 1 point-like morphology.
85 X A reference is given if the source was detected as X-ray source: (7) COUP, Getman et al. (2005b); (8) SFINCS, Getman et al. (2017);
(9) XMM-Newton L1641, Pillitteri et al. (2013); (10) XMM-Newtonκ-Ori, Pillitteri et al. (2016).
86 TTS Flag if the source was classified as T-Tauri star: C = CTTS, W = WTTS, Ha = Hα emission line star, with the reference in brackets:
(11) Szegedi-Elek et al. (2013); (12) Fang et al. (2009, 2013, 2017); Hsu et al. (2012, 2013); (14) Da Rio et al. (2009);
(15) Pettersson et al. (2014).
87 CMGM Classification from MGM including disk sources (D), protostars (P), faint protostar candidates (FP), red protostar candidates (RP).
88 CFF16 Classification for HOPS sources from Furlan et al. (2016) including Class 0 (0), Class I (I), flat spectrum (F), Class II (II),
galaxies (G), and unclear objects (U).
89 CLL16 Classification from Lewis & Lada (2016) for the 44 low-AK MGM protostars.
90 CFang Classification from Fang et al. (2009, 2013) for the L1641 region.
91 CP13 Classification from Pillitteri et al. (2013) for the L1641 region.
92 Class Classification as proposed in this work including YSO candidates with IR-excess and rejected sources:
Class 0 (0) or Class I protostars (I), flat spectrum sources (F), Class II/III pre-main-sequence stars with disks (D), anemic disks (AD),
or transition disks (TD).
For rejected candidates the type of contamination (false positive) is given:
galaxy (G), nebulosity and fuzzy contamination (fuzz), main-sequence star (star), Class III candidate without IR-excess (III),
or photometric contamination like image artifact (C).
For uncertain candidates we indicate the suggested uncertain object type as follows: galaxy candidate “UG”, or uncertain YSO candidate:
“UP”, “UF”, and “UD” (depending on the spectral index).
93 Class_flag Flag to distinguish between: 1 = revisited YSO candidates, 2 = new YSO candidates, 3 = rejected candidates, and 4 = uncertain candidates.

Notes. The catalog is only available in electronic form at the CDS.

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