Table 3
Summary of source characteristics.
| Summary of the main | ||||||||
| COSAS results | ||||||||
| source | period | L | Ṁ | dist. | variability | chemical | innermost | outermost |
| (days) | (103 L⊙) | (10-5 M⊙ yr-1) | (pc) | or type | class | component | component | |
|
|
||||||||
| WX Psc | 660(1) | 11.1(2) | 4(3) | 720(3) | Mira OH/IR | O | rounded | aspherical |
| IK Tau | 500(4) | 10.4(2) | 1(3,5) | 300(3) | Mira | O | SHV aspher. winds | aspherical |
| TX Cam | 557(1) | 11.9(2) | 0.7(3) | 440(3) | Mira | O | spiral | spherical |
| RX Boo | 340(1) | 4(6) | 0.05(6) | 110(6) | SRb | O | P-V gradient | spherical |
| X Her | 95(1) | 4.8(7) | 0.015-0.004(6) | 140(6) | SRb | O | P-V gradient | no det. halo |
| CRL 2362 | ? | 10(8) | 1.9(9) | 2040(9) | OH/IR | O | small | rounded |
| χ Cyg | 407(10) | 5.9(2) | 0.05(11) | 110(11) | Mira | S | SHV aspher. winds | spherical |
| V Cyg | 421(10) | 6.3(12) | 0.09(13) | 310(13) | Mira | C | rounded | aspherical |
| S Cep | 487(10) | 7.3(12) | 0.12(13) | 380(13) | Mira | C | aspherical | spherical |
| OH 104.9+2.4 | 1460(14) | 5.7(14) | ? | 2900(14) | OH/IR | O | small | rounded |
| R Cas | 431(10) | 8.7(15) | 0.09(16) | 172(15) | Mira | O | arc/spiral | spherical |
| IRAS 19475+3119 | – | 8.4(17,18) | – | 4900(18) | e-pAGB | C? | axial | bipolar flow |
| IRAS 20028+3910 | – | 6.6(19) | – | 2500(19) | e-pAGB | ? | SHVA winds | spherical |
| IRAS 21282+5050 | – | 2.4(20,21) | – | 2000(21) | e-pAGB | C | axial | spherical |
| IRAS 23321+6545 | – | 12(22) | – | 4500(22) | e-pAGB | C | SHVA winds | spherical |
| CRL 2477 | – | 7(23) | – | 1700(23) | e-pAGB? | C | small | rounded |
Notes. General source characteristics are shown in Cols. 2−7, and the CSE characteristics derived from CO maps for the innermost and outermost circumstellar regions in Cols. 8, 9. P-V means position-velocity, dist. distance, det. detected and aspher. aspherical. SHVA means small, high-velocity, axial flows seen within a wider shell. SHV is used when no clear axial symmetry is derived. Rounded means structures are relatively compact and spherical. Spherical refers to extended and spherical halos, and aspherical to extended and not-very-spherical halos. e-pAGB means early post-AGB star.
References. (1) Samus et al. (2004); (2) Whitelock et al. (1994); (3) Ramstedt et al. (2008); (4) González Delgado et al. (2003); (5) Teyssier et al. (2006); (6) Olofsson et al. (2002); (7) Gardan et al. (2006); (8) Loup et al. (1993); (9) Neri et al. (1998); (10) Kholopov et al. (1999); (11) Ramstedt et al. (2006); (12) Groenewegen & Whitelock (1996); (13) Schöier et al. (2006b); (14) van Langevelde et al. (1993); (15) Feast et al. (1989); (16) Maercker et al. (2008); (17) Likkel et al. (1987); (18) Sect. 4.2.1; (19) Bujarrabal et al. (2001); (20) Meixner et al. (1997); (21) Likkel et al. (1988); (22) Sect. 4.2.4; (23) Groenewegen et al. (1996).
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