Table 1
Key properties of AGB stars and supergiants that show wind-ISM bow shock interaction at 70 μm and/or 160 μm.
IRAS identifier | Name | DistanceA | Ṁ | zE | nHD | μH | v⋆G | PA | i | vwF | Predicted R0B | Observed R0C | nHI | TypeJ | Binary | ||||
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(pc) | (10-7 M⊙ yr-1) | (pc) | (cm-3) | (mas yr-1) | (km s-1) | (° N-E) | (°) | (km s-1) | (′) | (pc) | (′) | (pc) | (θ) | (cm-3) | |||||
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I “Fermata” | |||||||||||||||||||
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00248+3518 | AQ And * | 781 ± 5556, 825 | 6.57 | –360 | 0.05 | 13.4 | 54.1 | 218 | 17 | 1.5 | 0.37 | C | |||||||
01246-3248 | R Scl * | 3705, 2906 | 162 | –350 | 0.06 | 36.7 | 66.3 | 208.3 | –15 | 17.02 | 4.4 | 0.48 | 0.88 | 0.095 | 225 | 1.5 | C | ||
02168-0312 | o Cet | 92 ± 10h, 1105 | 2.52 | –63 | 1.07 | 223.3 | 107.7 | 185.3 | 26 | 8.12 | 0.7 | 0.02 | 1.23 | 0.033 | 181 | 0.4 | O-M7IIIe | yes9 | |
03507+1115 | NML Tau | 2457 | 321 | –113 | 0.65 | – | >33.8 | – | 18.52 | ≤5.9 | ≤0.42 | ~1.4 | 0.10 | 11.6 | O-M6me | ||||
05028+0106 | W Ori ** | 377 ± 135h | 2.37 | –131 | 0.54 | 10.5 | 18.8 | 91.5 | 0 | 8.616 | 1.4 | 0.15 | 0.7 | 0.077 | 2.1 | C | |||
05418-4628 | W Pic | 775 ± 300h 67026, 512 | 3.015 | –246 | 0.17 | 12.5 | 38.2 | 348 | 33 | 7.025 (13.915) | 1.2 | 0.18 | 0.57 | 0.085 | 292 | 0.8 | C | ||
05524+0723 | α Ori | 153 ± 19h, 1312 | 2.12, 313 | –5 | 1.89 | 38.7 | 24.3 | 47.7 | 8 | 14.02 | 7.7 | 0.29 | 4.98 | 0.19 | 54 | 4.6 | O-M2Iab | ||
06331+3829 | UU Aur | 341 | 2.77, 7428 | 96 | 0.76 | 10.4 | 17.9 | 170.4 | 24 | 11.016 | 3.3 | 0.33 | 1.32 | 0.131 | 200 | 4.9 | C | yes1 | |
09448+1139 | R Leo | 71 ± 13h, 1005, 822) | 0.922 | 65 | 1.05 | 40.4 | 13.6 | 112.3 | –4 | 9.02 | 4.7 | 0.10 | 1.25 | 0.026 | 117 | 14.9 | O-M8IIIe | ||
09452+1330 | CW Leo | 1501, 14019, 1202, 11014 | 162 | 100 | 0.74 | 82.6 | 53.3 | 64.5 | –29 | 14.52 | 4.5 | 0.16 | 6.6 | 0.23 | 82 | 0.3 | C-C9.5e | ||
10350-1307 | U Hya * | 208 ± 10h, 1612 | (0.921, 2.014),0.492 | 143 | 0.48 | 66.8 | 71.9 | 118.5 | –26 | 8.52 | 0.3 | 0.02 | C | ||||||
13001+0527 | RT Vir | 136 ± 15h | 517 | 141 | 0.49 | 61.9 | 43.9 | 96.8 | 24 | 8.91, (7.817) | 2.6 | 0.10 | O-M8III | ||||||
13269-2301 | R Hya | 124 ± 11h, 1305, 1182 | 1.62 | 89 | 0.82 | 42.9 | 25.3 | 313.7 | –23 | 12.52 | 2.7 | 0.09 | 1.55 | 0.053 | 284 | 2.5 | O-M7IIIe | yes1 | |
14003-7633 | θ Aps | 113 ± 6h, | 1.17 | –13 | 1.75 | 63.3 | 34.2 | 258.8 | 2 | 4.516 | 0.7 | 0.02 | 1.25 | 0.041 | 297 | 0.6 | O-M6.5III | yes6 | |
16011+4722 | X Her | 137 ± 8h | 1.511 | 116 | 0.62 | 79.6 | 91.2 | 313.9 | –53 | 6.511 | 0.4 | 0.01 | 0.60 | 0.024 | 330 | 0.5 | O-M8III | ||
19126-0708 | W Aql | 6101, 3404 | (2515), 1302 | –35 | 1.40 | 27.6 | 51.4 | 65.3 | –29 | 20.02 | 4.0 | 0.40 | 0.8/1.3 | 0.08/0.13 | 35 | S-S6.6+FV | yes7 | ||
19486+3247 | χ Cyg | 181 ± 36h, 1705, 1492 | 2.42 | 24 | 1.58 | 52.1 | 37.6 | 218.3 | 16 | 8.52 | 1.0 | 0.05 | ~6.6 | 0.29 | 0.04 | S-S6+/1e | |||
20038-2722 | V 1943 Sgr | 197 ± 23h | 1.317 | –77 | 0.93 | 34.7 | 35.2 | 155.0 | –23 | 5.417 | 0.6 | 0.04 | 1.1 | 0.06 | 135 | 0.3 | O-M7III | ||
20075-6005 | X Pav | 2702 | 5.22 | –133 | 0.53 | 21.9 | 32.6 | 84.9 | –35 | 11.02 | 1.9 | 0.15 | 0.78 | 0.061 | 88 | 3.2 | O-M7III:p | ||
20248-2825 | T Mic | 211 ± 45h | 0.817 | –98 | 0.75 | 30.9 | 39.9 | 322.2 | 39 | 4.817 | 0.4 | 0.03 | O-M7III | ||||||
21419+5832 | μ Cep | 3908 | 202 | 17 | 1.69 | 5.1 | 21.9 | 216.3 | 50 | 35.02 | 2.8 | 0.3 | 0.83 | 0.094 | 85 | 19.3 | O-M2Iae | ||
21439-0226 | EP Aqr | 114 ± 8h, 1352 | 3.12, 0.228, 10.029 | –70 | 0.99 | 31.2 | 40.2 | 4.6 | –57 | 11.52 | 1.8 | 0.07 | 0.45 | 0.018 | 22 | 15.8 | O-M8IIIvar | yes8 | |
23438+0312 | TX Psc * | 275 ± 30h | 0.9112 | –212 | 0.24 | 50.2 | 66.4 | 247.7 | 11 | 10.512 | 0.3 | 0.03 | 0.62 | 0.050 | 238 | 0.2 | C-C5-7,2 | ||
23558+5106 | R Cas | 127 ± 16h, 176![]() |
4.02, 1228 | –8 | 1.84 | 63.4 | 44.0 | 65.7 | 35 | 13.52 | 1.6 | 0.06 | 1.5 | 0.055 | 65 | 2.1 | O-M7IIIe | yes1 | |
II “Eyes” | |||||||||||||||||||
|
|||||||||||||||||||
03374+6229 | U Cam * | 4306 | 107 | 60 | 0.66 | 4.2 | 9.8 | 350.4 | 49 | 20.621 | 5.3 | 0.66 | 0.95/1.0 | 0.12/0.13 | 30 | C | yes1,14 | ||
04459+6804 | ST Cam | 4192, 990 | 4.57 | 270 | 0.14 | 4.9 | 28.7 | 247.8 | –31 | 10.525 | 1.1 | 0.31 | 1.1/1.4 | 0.32/0.40 | 0.1 | C | |||
10416+6740 | VY UMa | 380 ± 51h | 286 | 0.12 | 15.6 | 28.2 | 70.5 | –1 | 7.925 | 1.5 | 0.16 | 0.6/0.8 | 0.07/0.09 | 0.4 | C | yes2 | |||
10580-1803 | R Crt | 261 ± 65h | 6.91, 1.524, 817 | 173 | 0.37 | 15.8 | 23.8 | 279.2 | 28 | 10.81,17 | 3.8 | 0.29 | ~2.3 | 0.18 | 1.0 | O-M7III | yes1 | ||
17389-5742 | V Pav | 370 ± 73h | 3.414 | –76 | 0.89 | 5.3 | 24.0 | 321.7 | 56 | 16.025 | 1.2 | 0.13 | 1.6/1.7 | 0.17/0.18 | 0.5 | C | yes1 | ||
19233+7627 | UX Dra | 386 ± 43h | 1.6h,r | 176 | 0.36 | 13.0 | 26.7 | 231.9 | 34 | 4.015 | 0.7 | 0.08 | 1.3/0.9 | 0.15/0.10 | 0.2 | C | yes4 | ||
19314-1629 | AQ Sgr | 333 ± 74h | 2.515 | –81 | 0.85 | 8.0 | 29.1 | 349.4 | 66 | 10.015 | 0.8 | 0.08 | 0.95 | 0.09 | 0.6 | C |
Notes.
The distance, d, is computed from the Hipparcos parallax (h) (van Leeuwen, 2007) or via the period-luminosity relation (Sect. 5.1). For unavailable and uncertain Hipparcos measurements we adopt the PL distance (indicated in boldface).
R0 is the stand-off distance of the bow shock with respect to the star. The theoretical R0 is derived from Eq. (2), using the adopted stellar parameters for v⋆, vw, Ṁ, nH (this Table and Sect. 4.1).
For Class I objects the observed (de-projected) R0 is derived from the measured angular distance A and B (Sect. 4.1). For Class II and III objects we give the (angular and physical) radial distance for each arc and the ring, respectively.
nH (cm-3) from Eq. (5).
z is the distance from the Galactic plane (z(pc) = d sin b + 15, with d the distance and b the Galactic latitude); (Sect. 5).
The peculiar space velocity (and proper motions and radial velocities) have been corrected for the solar motion [(U, V, W) = (11.10, 12.24, 7.25) km s-1] (Schönrich et al. 2010).
Proper motion, μ (mas yr-1) from μα and μδ (van Leeuwen 2007) and corresponding sky position angle from north to east.
nH inferred from observed R0 and Eq. (2).
Type gives circumstellar envelope chemistry (oxygen (O) vs. carbon (C) rich) and the central star’s spectral type.
show a combination of two types of interaction: an inner spherical ring, together with an outer extended structure.
References. (1) Knapp et al. (1998); (2) De Beck et al. (2010); (3) Harper & Brown (2006); (4) Guandalini & Busso (2008); (5) Whitelock et al. (2008); (6) Knapp et al. (2003); (7) this work (Sect. 5); (8) Raga & Cantó (2008); (9) Ryde et al. (2000); (10) Olofsson (1996); (11) González Delgado et al. (2003); (12) Olofsson et al. (1993); (13) Groenewegen & Whitelock (1996); Groenewegen & de Jong (1998); (14) Groenewegen et al. (2002). Updated distances (van Leeuwen 2007) have been taken to re-scale the (gas) mass-loss rates; (15) Ramstedt et al. (2006); (16) Schöier & Olofsson (2001); (17) Olofsson et al. (2002); (18) Harper et al. (2001); (19) Menzies et al. (2006); (20) Vlemmings et al. (2003); (21) Linquist et al. (1999); (22) Olofsson et al. (2000); (23) Lombaert et al. (in prep.); (24) via period-Ṁ relation; (25) Loup et al. (1993); (26) Bergeat & Chevallier (2005); (27) Choi et al. (2008); (28) Matthews & Reid (2007); (29) Winters et al. (2003).Binarity: (1) visual binary, Proust et al. (1981); (2) hot companion, Sahai et al. (2008); (3) symbiotic Mira, Willson et al. (1981); Hollis et al. (1997); (4) suspected by Vetesnik (1984), but could be RV Tau variable instead (Polyakova, 1998); (5) white dwarf companion; Ake & Johnson (1988); (6) Makarov & Kaplan (2005); (7) composite spectrum; Herbig (1965); (8) composite CO line; Knapp et al. (1998); (9) visual binary, Prieur et al. (2002); proper-motion binary, Makarov & Kaplan (2005); Frankowski et al. (2007); (10) composite spectrum, Feast (1953); orbital motion, Sahai (1992); proper-motion binary, Makarov & Kaplan (2005); Frankowski et al. (2007); (11) eclipsing system, Knapp et al. (1999); hot companion, Sahai et al. (2008); visual binary, Proust et al. (1981); (12) spiral arm indicative of binary, Mauron & Huggins (2006); (13) spiral arm indicative of binary, Castro-Carrizo et al. (2010); (14) The Hipparcos Double Star solution (position angle is 79°, and separation of 0.17′′) gives additional evidence of a close companion, and potential a triple system (if the other visual companion is at 208′′ (Alain Jorissen; private communication); (15) Pourbaix et al. (2003) found it to be a “variability-induced mover” in the Hipparcos catalogue, which is a strong indication of a close visual companion.
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