Table 11
K-band and PACS 100 μm photometry and a selection of stellar parameter information for the PACS fiducial primary standards (status: “f”) and PACS faint star primary standard candidates (status: “c”) with nearly identical spectral type.
| Name | Status | SpType | V | K |  |
 |
 |
Teff | Θd |
|---|---|---|---|---|---|---|---|---|---|
| (mag) | (mag) | (mag) | (mag) | (mJy) | (K) | m′′ | |||
| α Boo | f | K2III | –0.04 | – | –3.07 ± 0.01 | – | 7509 ± 375 | 4320 ± 140s1 | 20.74 ± 0.10s1 |
| α Ari | c | K1IIIb | 2.01 | − 0.63 ± 0.03p1 | – | – | 820 ± 41 | 4636 ± 13s2 | 6.90 ± 0.07s5 |
| 42 Dra | c | K1.5III | 4.82 | 1.95 ± 0.05p2 | – | – | 73.1 ± 3.8 | 4446 ± 12s2 | 2.03 ± 0.03s5 |
| HD 1593301 | c | K2III | 6.21 | – | – | 2.787 ± 0.206 | 31.0 ± 1.9 | – | – |
| HD 152222 | c | K2III | 7.03 | – | – | 3.654 ± 0.238 | 20.8 ± 1.0 | – | – |
| α Tau | f | K5III | 0.85 | – | –2.94 ± 0.01 | – | 6909 ± 345 | 3850 ± 140s1 | 20.89 ± 0.10s1 |
| γ Dra | f | K5III | 2.23 | – | –1.38 ± 0.01 | – | 1604 ± 80 | 3960 ± 140s1 | 9.94 ± 0.05s1 |
| ε Lep | c | K4III | 3.18 | − 0.20 ± 0.03p1 | – | – | 568 ± 28 | 4243 ± 25s2 | 6.08 ± 0.06s5 |
| HD 41047 | c | K5III | 5.52 | – | – | 1.740 ± 0.218 | 96.7 ± 4.9 | – | 2.47 ± 0.03s4 |
| θ Umi1 | c | K5III– | 4.98 | 1.33 ± 0.05p2 | – | – | 144 ± 8.8 | – | 2.97 ± 0.04s5 |
| HD 1382651 | c | K5III | 5.90 | 2.38 ± 0.04p2 | – | – | 56.5 ± 2.9 | 3758 ± 166s3 | 2.06 ± 0.04s3 |
| β And | f | M0III | 2.06 | – | –1.93 ± 0.01 | – | 2737 ± 137 | 3880 ± 140s1 | 13.03 ± 0.06s1 |
| ω Cap | c | M0III | 4.12 | 0.21 ± 0.03p1 | – | – | 413 ± 21 | 3760 ± 150s4 | 5.16 ± 0.06s5 |
Notes. Fiducial primary standards and related candidates are grouped together. V -band photometry is given for completeness and for the conversion of the K magnitude between the (Selby et al. 1988) Kn narrow band photometric system and the Johnson K-band photometric system. 1Star is a proven reliable standard only up to 100 μm due to background confusion. (p1)Ducati (2002, catalogue of stellar photometry in Johnson’s 11-colour system). (p2) Neugebauer & Leighton (1969, two-micron sky survey). (p3)Selby et al. (1988). (p4)Cutri et al. (2003, 2MASS all-sky catalogue of point sources) Note: For Ks,2MASS < 4 mag photometric uncertainties are high, because fluxes were estimated from a fit to the wings of the saturated stellar profile (Skrutskie et al. 2006). (p5) For the fiducial standards we use the continuum model8 flux with an uncertainty of 5%; for the candidate stars we use the flux from scan map photometry. (s1) Dehaes et al. (2011). (s2) Jofré et al. (2015). (s3) Baines et al. (2010). (s4) Tsuji (1981). (s5) Cohen et al. (1999).
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