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Table 5

Hot exozodiacal disk statistics from the combined PIONIER surveys (Ertel et al. 2014, and this work), after removing all stars showing an effective sensitivity of greater than 0.5%, taking into account partial resolution effects.

A-type stars F-type stars G/K-type stars Total




#S #E Detect. rate #S #E Detect. rate #S #E Detect. rate #S #E Detect. rate
Alla 34 7 28 7 6 1 68 15
                             
Warm disk 16 3 8 2 1 1 25 6
                             
Warm disk only 11 2 6 2 0 0 N.A. 17 4
                             
Cold disk only 4 2 6 2 2 0 12 4
                             
No warm disk 17 3 20 5 5 0 42 8
                             
No disk 13 1 14 3 3 0 30 4
                             

Notes. Columns “#S” and “#E” represent the number of target stars and of hot exozodi detections, respectively. (a)Also includes onedusty star with no warm or cold classification: HD 36187 (A0V).

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