Table 2
Photometry and FIR/flux densities of α Centauri.
| λ eff | α Cen A | α Cen B | Photometry |
| (μm) | Sν (Jy) | Sν (Jy) | & reference |
|
|
|||
| 0.440 | 2215 ± 41 | 536 ± 10 | B (1) |
| 0.550 | 3640 ± 67 | 1050 ± 19 | V (1) |
| 0.790 | 4814 ± 89 | 1654 ± 30 | I (1) |
| 0.440 | 2356 ± 43 | 572 ± 10 | B (2) |
| 0.550 | 3606 ± 66 | 1059 ± 20 | V (2) |
| 0.640 | 4259 ± 78 | 1387 ± 26 | Rc (2) |
| 0.790 | 4784 ± 88 | 1666 ± 31 | Ic (2) |
| 1.215 | 4658 ± 86 | 1645 ± 30 | J (3) |
| 1.654 | 3744 ± 69 | 1649 ± 31 | H (3) |
| 2.179 | 2561 ± 47 | 1139 ± 21 | K (3) |
| 3.547 | 1194 ± 22 | 521 ± 10 | L (3) |
| 4.769 | 592 ± 11 | 258 ± 5 | M (3) |
| 24 | 30.84 ± 0.76 | 13.63 ± 0.33 | MIPS (4) |
| 70 | 3.35 ± 0.28 | 1.49 ± 0.28 | PACS (5) |
| 100 | 1.41 ± 0.05 | 0.67 ± 0.037 | PACS (6) |
| 160 | 0.56 ± 0.06 | 0.21 ± 0.06 | * PACS (5), (6) |
| 250 | 0.24 ± 0.05 | 0.11 ± 0.05 | *SPIRE (5) |
| 350 | 0.145 ± 0.028 | 0.064 ± 0.028 | *SPIRE (5) |
| 500 | 0.08 ± 0.03 | 0.04 ± 0.03 | *SPIRE (5) |
| 870 | 0.028 ± 0.007 | 0.012 ± 0.007 | *LABOCA (7) |
Notes.
Asterisks indicate values determined using Sν, A/Sν, B = 2.25 (see Liseau et al. 2013).
Reference. (1) Hipparcos. (2) Bessell (1990). (3) Engels et al. (1981). (4) A. Mora (priv. comm.; FWHM(24 μm) = 6′′). Binary separation on 9 April 2005, 10
4 (5) Hi-GAL: KPOT_smolinar_1, fields 314_0 & 316_0. Herschel-beams FWHM(70 μm) = 56, (100 μm) = 68, (160 μm) = 113, (250 μm) = 176, (350 μm) = 239, (500 μm) = 352. Binary separation on 21 August 2010, 63. (6) DUNES: KPOT_ceiroa_1. Binary separation 29 July 2011, 57. (7) 384.C-1025, 380.C-3044(A): FWHM(870 μm) = 195. Binary separation 20−13 November 2007, 88 and 19 September 2009, 70.
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