Table 1
3.6 μm coreshine intensity and 4.5/3.6 coreshine ratio sorted by increasing ratio value for each detected cloud of the four regions.
Name | 3.6 μm intensity | 4.5/3.6 | Protostar | Classa | LBolb | Refs. | |
kJy sr-1 | median | FWHM | L⊙ | ||||
|
|||||||
Taurus-Perseus | |||||||
|
|||||||
G171.80−09.78 | 10 | – | – | ||||
CB24 | 15 | – | – | ||||
L1503 | 22 | – | – | ||||
G179.18−19.62 | 22 | – | – | ||||
G182.19−17.71 | 23 | – | – | ||||
G170.81−18.34 | 26 | – | – | ||||
L1552 | 26 | – | – | ||||
G169.82−19.39 | 27 | – | – | ||||
CB20 | 27 | – | – | ||||
G173.45−13.34 | 30 | – | – | ||||
G177.89−20.16 | 33 | – | – | ||||
B18–3 = G174.39−13.43 | 35 | – | |||||
G154.68−15.34 | 49 | 0.35 | 0.10 | ||||
G170.99−15.81 | 36 | 0.36 | 0.17 | ||||
L1506C | 33 | 0.37 | 0.26 | ||||
L1507A (G171.51−10.59) | 41 | 0.41 | 0.15 | ||||
IRAS 03282+3035 | 47 | 0.42 | 0.14 | IRAS 03282+3035 | Class 0 | 1.2 | 1 |
G173.69−15.55 | 32 | 0.43 | 0.10 | ||||
L1544 | 39 | 0.43 | 0.32 | ||||
L1512 | 30 | 0.44 | 0.31 | ||||
L1521E | 51 | 0.46 | 0.25 | ||||
L1498 | 34 | 0.47 | 0.22 | ||||
G171.34−10.67 | 58 | 0.47 | 0.20 | ||||
G170.26−16.02 | 87 | 0.50 | 0.30 | IRAS 04181+2654AB | Class I | – | 2 |
L1521F | 53 | 0.51 | 0.20 | VeLLOc | Class 0 | 0.36 | 3 |
L1517A | 57 | 0.51 | 0.28 | ||||
L1517B | 43 | 0.51 | 0.28 | ||||
G157.10−08.70 | 34 | 0.52 | 0.15 | IRAS 03586+4112 (?)d | |||
L1517C | 29 | 0.53 | 0.28 | ||||
L1507 | 41 | 0.54 | 0.35 | 2MASS J04432023+2940060 | Class II | – | 4 |
IRAM 04191 | 140 | 0.57 | 0.36 | IRAM 04191–IRS | Class 0 | 0.28 | 5 |
L1439 | 81 | 0.60 | 0.29 | IRAS 04559+5200 | Class I | ≥0.5 | 6, 7 |
TMC2 e | 100 | 0.64 | 0.47 | IRAS 04294+2413 | Class 0 ? | 0.78 (LIR) | 8 |
L1448mm | 59 | 0.64 | 0.44 | L1448-mm | Class 0 | 8.6 | 9 |
G163.21−08.40 | 67 | 0.64 | 0.46 | IRAS 04218+3708 (?)d | |||
G157.12−11.56 | 390 | 0.64 | 0.39 | IRAS 03484+3845 (?)d | |||
G155.45−14.59 | 210 | 0.64 | 0.27 | IRAS 03330+3727 (?)d | |||
G160.51−16.84 | 61 | 0.66 | 0.51 | B5 IRS1 (IRAS 03445+3242) | Class I | 3.8 | 10 |
G171.91−15.65 | 310 | 0.77 | 0.39 | DG Tau B | Class I | 0.86 | 2, 11 |
Barnard18–1 | 97 | 0.79 | 0.39 | IRAS 04292+2422(E+W) | Class I | 0.6 | 10 |
G163.32−08.42 | 63 | 0.82 | 0.30 | IRAS 04223+3700 | Class 1 | 2.7 | 10 |
G158.86−21.60 | 74 | 0.95 | 0.40 | IRAS 03249+2957 | Class I | 0.3 | 1 |
Barnard1 | 100 | 1.1 | 0.51 | IRAS 03301+3057 (cluster) | Class I | 2.7 (LIR) | 12 |
|
|||||||
L183/L134 | |||||||
|
|||||||
L183 | 58 | 0.37 | 0.14 | ||||
L134 f | >30 | – | – | ||||
Chameleon | |||||||
G302.89−14.05 | 16 | – | – | ||||
G298.34−13.03 | 25 | – | – | ||||
G303.28−13.32 | 25 | – | – | ||||
Mu8 | 27 | – | – | ||||
G297.09−16.02 | 39 | 0.35 | 0.23 | ||||
G303.09−16.04 | 77 | 0.43 | 0.23 | ||||
G303.68−15.32 | 21 | 0.44 | 0.23 | ||||
G303.39−14.26 | 150 | 0.50 | 0.33 | IRAS 12553−7651 | Class I | 1.2 | 13 |
G303.15−17.34 g | 32 | 0.60 | 0.36 | ||||
G303.72−14.86 | 100 | 0.74 | 0.52 | IRAS 13014−7723 | Class II | 1.6 | 14, 15 |
|
|||||||
Cepheus | |||||||
G093.20+09.53 | 18 | – | – | ||||
L1155E | 22 | – | – | ||||
G093.16+09.61 | 24 | – | – | ||||
G130.56+11.51 | 24 | – | – | ||||
L1157 | 28 | 0.41 | 0.09 | IRAS 20386+6751 | Class 0 | 11 | 16 |
L1155C | 29 | 0.44 | 0.17 | ||||
L1247 | 110 | 0.46 | 0.36 | ||||
L1251A | 62 | 0.50 | 0.40 | L1251A–IRS1–4 | Class I, I, 0 & 0 | IRS3 = 0.8 | 17 |
L1333 h | 25 | 0.50 | 0.18 | ||||
L1148 | 24 | 0.54 | 0.38 | L1148–IRS | Class I | 0.44 | 18 |
L1152 | 39 | 0.58 | 0.24 | L1152 1–3 | Class 0, I, & I | 1.5, 0.6, 2.1 | 18 |
L1262 | 92 | 0.62 | 0.33 | IRAS 23238+7401 | Class 0 | 1.5 | 19 |
L1157–outflow | 31 | 0.71 | 0.22 | Outflow shock region ? | |||
L1228 | 110 | 0.73 | 0.50 | IRAS 20582+7724 (cluster) | Class I | 2.3 | 18 |
L1221 | 160 | 0.81 | 0.52 | L1221–IRS1 & 3 | Class 0 & 0 | 3.0 & 1.4 | 18 |
L1251C i | 260 | 0.81 | 0.59 | IRAS 22343+7501 (cluster) | Class I | 33 | 18 |
L1251B j | 160 | 0.89 | 0.57 | IRAS 22376+7455 (cluster) | Class 0 | 15 | 18 |
Notes.
Protostar classes depend on the criterion (spectral index or TBol). Whenever possible, we used the second one. Geometry effects also count. See Robitaille et al. (2007) and Kirk et al. (2009) for further details.
A bright IRAS source is observed in the vicinity of the cloud, but no study of the source has been found in the literature. Its YSO status is therefore not proved but probable.
TMC2 is usually considered to be starless (e.g., Brady Ford & Shirley 2011). The IRAC coreshine images and ratio show that the nearby YSO at ~4′ is illuminating it.
The Spitzer L134 3.6 μm map is too narrow compared with the coreshine extent in the WISE image and a part of the flux is missing.
A bright star at position 12h57m20s −80°15′42′′ (J2000) seems to illuminate the cloud. It is not listed in SIMBAD.
L1333 contains a submm source: JCMTSF J022611.7+752732 (Di Francesco et al. 2008).
Kirk et al. (2009) have renamed L1251A as L1251W, and L1251C as L1251A. We kept the SIMBAD definition of the source parts.
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