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Table 8

Extended post-AGB star and PN candidates.

IRAS name Angular extent Comments
JHK IRAC
(″) (″)

05573 + 3156 25, 100 ...    Multipolar PN or proto-PN candidate with one pair of inner bipolar
lobes at PA  ~  45°–225° and one larger outer bipolar lobe at PA  ~  230°.
Marked point-symmetry.
06499 + 0145 45 ...    YSO candidate.
09102−5101 4.4 ...    Round
12405−6219 35 60 Herbig-Haro candidate. Embedded within mid-IR diffuse emission
13398−5951 20 ...    Detached discontinuous round shell
13404−6059 ...     < 0.5 Marginally resolved in the mid-IR 5.8 μm IRAC band
13500−6106 ...     < 0.9 Marginally resolved in the mid-IR 4.5 and 5.8 μm IRAC bands
15103−5754 8.4  ×  6.3 1.7 Bipolar with symmetry axis along PA  ~  50°
15452−5459 13  ×  10 180: Hour-glass bipolar morphology with symmetry axis along PA  ~  45°
Embedded within mid-IR nebular emission
15534−5422 5.5  ×  3.7 2.4 Bipolar with symmetry axis along 140°
16333−4807 6.0  ×  3.7 ...    Bipolar with symmetry axis along PA  ~  0°
17009−4154 5.2 (J), 6.4 (H), 8.0 (K) 4.4 Round nebula
17150−3224 7.2  ×  3.0 ...    Bipolar, the Cotton Candy Nebula
17443−2949 ...     ~ 1.8 Marginally resolved in the mid-IR 4.5 μm IRAC band
18229−1127 ...    2.1 Resolved in all IRAC bands
18454 + 0001 ...    1.5 Resolved only in the mid-IR 8 μm IRAC band
18576 + 0341 ...    4.6 Resolved in the mid-IR 3.6, 4.5, and 5.8 μm IRAC bands
19071 + 0857 7.4  ×  3.5 1.7 Bipolar with symmetry axis along PA  ~  145°

Notes. 

(†)

Deconvolved FWHM.

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