Table 3
Presence of a mid- to far-infrared excess around the target stars.
| Name | 106 × Ld/L⋆a | Excessb | Refs. |
|
|
|||
| bet Cas | 25 | far | R07 |
| 54 Psc | <1.7 | – | E13 |
| eta Cas A | <1.9 | – | E13 |
| ups And | <0.53 | – | B06,E13 |
| 107 Psc | <5.5 | – | C06,T08,M13 |
| tau Cet | 25 | far | H01 |
| tet Per | <0.61 | – | L09,E13 |
| eps Eri | 110 | mid,far | B09 |
| 10 Tau | 12 | far | T08,M13 |
| 1 Ori | <0.81 | – | T08,M13 |
| zet Lep | 97 | mid,far | C06,S06,T13 |
| eta Lep | 63 | mid,far | L09,E13 |
| ksi Gem | – | – | MIPS24c |
| lam Gem | <0.47 | – | M09,T13 |
| HD 69830 | 200 | mid | B05,E13 |
| 30 Mon | 89 | mid,far | C06,S06,T13 |
| bet UMa | 14 | mid,far | C06,M10 |
| del Leo | <0.20 | – | T13 |
| bet Leo | 30 | mid,far | C11 |
| bet Vir | 0.36 | far | T08,M13 |
| del UMa | 4.9 | mid | S06,T13 |
| eta Crv | 360 | mid,far | C06,M10 |
| 70 Vir | 10 | mid,far | D11,E13 |
| iot Vir | <2.3 | – | MIPS24-70c |
| sig Boo | 4.9 | far | C06,R07,M13 |
| ksi Boo | <1.2 | – | M13 |
| lam Ser | <0.95 | – | M13 |
| kap CrB | 50 | far | B13 |
| chi Her | <2.8 | – | B06,T08,M13 |
| gam Ser | <4.8 | – | L09,T08,M13 |
| mu Her | <25 | – | H01,R07 |
| gam Oph | 90 | mid,far | S08 |
| 70 Oph A | <0.45 | – | E13 |
| alf Lyr | 23 | mid,far | S06,S13 |
| 110 Her | 1.8 | far | B06,E13 |
| zet Aql | <1.6 | – | P09 |
| sig Dra | <0.89 | – | B06,E13 |
| alf Aql | – | – | T13 |
| 61 Cyg A | <1.2 | – | E13 |
| 61 Cyg B | <1.8 | – | E13 |
| alf Cep | <2.1 | – | C05 |
| eps Cep | – | – | MIPS70cd |
Notes.
Fractional luminosity of the cold debris discs, or 3σ (far-infrared) upper limit when no dust is detected.
The IRAS excess reported by Rhee et al. (2007) is due to a nearby background galaxy (G. Bryden, pers. comm.).
Reference. (B05) Beichman et al. (2005); (B06) Beichman et al. (2006); (B09) Backman et al. (2009); (B13) Bonsor et al. (2013a); (C06) Chen et al. (2006); (C11) Churcher et al. (2011); (D11) Dodson-Robinson et al. (2011); (E13) Eiroa et al. (2013); (H01) Habing et al. (2001); (L09) Lawler et al. (2009); (M09) Morales et al. (2009); (M10) Matthews et al. (2010); (M13) Matthews et al. (in prep); (P09) Plavchan et al. (2009); (R07) Rhee et al. (2007); (S06) Su et al. (2006); (S08) Su et al. (2008); (S13) Su et al. (2013); (T08) Trilling et al. (2008); (T13) Thureau et al. (in prep.).
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