Table 1
Stellar basic properties and photometric data of the Sample B stars (portion).
| Name | SpT | D | Teff | F12, obs | F12, phot | χ12 | Fexcess/F12, phot | Upper limits |
|---|---|---|---|---|---|---|---|---|
| (pc) | (K) | (mJy) | (mJy) | |||||
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) |
| Proxima Cen | M5.5 | 1.3020±0.0001 | 3000 | 912.631±12.585 | 922.238±44.335 | –0.156 | –0.010 | 0.201 |
| alf Cen A | G2 | 1.3459±0.0024 | 5750 | 122965.068±44334.671 | 168116.304±31509.799 | –0.826 | –0.269 | 0.976 |
| Barnard’s Star | M3.5 | 1.8282±0.0001 | 3900 | 557.185±14.362 | 658.055±21.903 | –2.782 | –0.153 | 0.165 |
| Luhman 16 A | L7.5 | 1.9938±0.0003 | 1600 | 103.271±1.427 | 98.468±0.370 | 0.985 | 0.049 | 0.149 |
| WISEA J085510.74-071442.5 | Y2 | 2.2779±0.0124 | 550 | 1.090±0.127 | 1.009±0.017 | 0.596 | 0.081 | 0.645 |
| Wolf 359 | M6 | 2.4086±0.0004 | 3000 | 200.779±2.772 | 206.543±8.022 | –0.465 | –0.028 | 0.180 |
| HD 95735 | M1.5e | 2.5461±0.0002 | 3200 | 1906.919±26.322 | 1916.526±133.532 | –0.060 | –0.005 | 0.252 |
| alf CMa A | A1 | 2.6371±0.0110 | 11 750 | 77813.832±23920.548 | 103271.444±12680.773 | –0.933 | –0.247 | 0.793 |
| G 272-61 A | M5 | 2.7195±0.0055 | 3000 | 388.108±5.380 | 396.754±12.441 | –0.391 | –0.022 | 0.167 |
| Ross 154 | M3.5e | 2.9760±0.0003 | 3400 | 336.713±4.650 | 343.918±27.955 | –0.224 | –0.021 | 0.280 |
Notes. Column (1): name of Sample B objects. Col. (2): spectral type quoted from the Reylé sample. Col. (3): stellar distance from Earth quoted from the Reylé sample. Col. (4): effective temperature obtained from VOSA SED fitting. Col. (5): Observed data in the W3 band from ALLWISE. Col. (6): predicted photospheric data in the W3 band obtained from VOSA SED fitting. Col. (7): flux excess significance, χ12, in the W3 band. Col. (8): Fexcess/F12,phot at 12 μm. Col. (9): upper limit of Fexcess/F12,phot at 12 μm, taken as the larger value between 3σtot/F12,phot and 3σ. (A portion of the table is shown here for guidance regarding its form and content. The full version is available at the CDS.)
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