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TABLE 6
 
                 Possible post-Planetary Nebulae



                                                                                    TABLE 6

__________________________________________________________________________________________

Name               RA  (1950)  DEC    Remarks and references
__________________________________________________________________________________________
                 h  m  s     o  '  "
Chavira 137     00 02.0    -24 41     Hot sdO star, no nebula (Mendez etal.,1988); see 
                                        Chavira (1958).
KPD 0005+5106   00 05 42.1 +51 06 37  Hot DO star, no nebulosity (Werner etal.,1997).
                                        WD 0005+511 (McCook, Sion, 1999).
Chavira 144     00 07.7    -26 29     Hot sdO star, no nebula (Mendez etal.,1988); see 
                                        Chavira (1958).
LB 1566         00 38.1    -55 18     Hot sdO star, no nebula (Mendez etal.,1988).
PG 0038+199     00 38 57.2 +19 52 51  sdOC star, no nebulosity (Kwitter etal.,1989).
                                        Hot DO star, no nebulosity (Werner etal.,1997).
PG 0046+078     00 46 02.5 +07 46 24  Hot DO star, no nebulosity (Werner etal.,1997).
                                        Pre-WD, no nebulosity (Rauch, 1999). WD 0046+077 
                                        (McCook, Sion, 1999).
PG 0108+101     01 08 29.2 +10 05 44  Hot DO star, no nebulosity (Werner etal.,1997).
                                        WD 0108+100 (McCook, Sion, 1999).
PG 0109+111     01 09 45.1 +11 07 43  Hot DO star, nebulosity (Werner etal.,1997).
RX J0122.9-7521 01 21 52.2 -75 36 47  Pre-WD, no nebulosity (Rauch, 1999).
PG 0122+200     01 22 39.9 +20 02 15  PG 1159 type star as pre-WD (Dreizler etal.,1994).  
                                        No neb. (Kwitter etal.,1989; Werner etal.,1997).
MCT 0130-1937   01 30 14.8 -19 37 04  PG 1159 type WD, no nebulosity (Demers etal.,1990). 
                                        PG 1159 type star as pre-WD (Dreizler etal.,1994).
                                        No nebulosity (Rauch, 1999). WD 0130-196 (McCook, 
                                        Sion, 1999).
SB 705          01 41.0    -38 48     Hot sdO star, no nebula (Mendez etal.,1988); see 
                                        Slettebak, Brundage (1971).
HS 0158+2335    01 58 38.8 +23 35 24  Hot-wind DO star, no nebulosity (Werner etal.,1997).
                                        WD 0158+235 (McCook, Sion, 1999).
LB 3241         02 11.3    -49 59     Hot sdO star, no nebula (Mendez etal.,1988).
PG 0216+032     02 16 43.0 +03 13 08  sdOC star, no nebula (Kwitter etal.,1989).
PG 0217+155     02 17 50.8 +15 30 23  sdOB star, no nebula (Kwitter etal.,1989).
PG 0226+151     02 26 04.9 +15 07 13  sdOC star, no nebula (Kwitter etal.,1989).
PG 0231+051     02 31 04.2 +05 05 31  Hot DAO star, no nebulosity (Werner etal.,1997).
                                        HS 0231+0505, pre-WD, no nebulosity (Rauch, 1999).
                                        WD 0231+050 (McCook, Sion, 1999).
PG 0237+116     02 37 24.0 +11 35 37  Hot DO star, no nebulosity (Werner etal.,1997).
                                        WD 0237+115 (McCook, Sion, 1999).
HS 0444+0453    04 44 25.5 +04 53 27  PG 1159 type star as pre-WD (Dreizler etal.,1994). 
                                        No nebulosity (Werner etal.,1997; Rauch, 1999).
RE 0503-289     05 01 56.0 -28 59 11  Pre-WD, no nebulosity (Rauch, 1999). WD 0501-289 
                                        (McCook, Sion, 1999).
HE 0504-2408    05 04 14.0 -24 08 14  Pre-WD, no nebulosity (Rauch, 1999). WD 0504-241 
                                        (McCook, Sion, 1999).
KPD 0549+1948   05 49 41   +19 48.6   sdOC star, no nebulosity (Kwitter etal.,1989); see
                                        Downes (1986).
KPD 0553+1755   05 53 08   +17 55.9   sdOC star, no nebulosity (Kwitter etal.,1989); see 
                                        Downes (1986).
HS 0615+6535    06 15 29.6 +65 35 40  Hot DO star, no nebulosity (Werner etal.,1997).
HD 49798        06 46 34.8 -44 15 34  SAO 218207=CP-44 1096. Hot sdO star, no nebula 
                                        (Mendez etal.,1988).
HS 0704+6153    07 04 59.2 +61 53 09  PG 1159 type star as pre-WD (Dreizler etal.,1994).
                                        WD 0704+618 (McCook, Sion, 1999).
HS 0713+3958    07 13 36.0 +39 58 48  Hot-wind DO star, no nebulosity (Werner etal.,1997).
                                        WD 0713+399 (McCook, Sion, 1999).
KPD 0720-0003   07 20 20   -00 03.3   Hot sdO star, no nebula (Mendez etal.,1988); see 
                                        Downes (1986).
LSS 630         07 37 39.6 -27 20 50: Hot sdO star, no nebula (Mendez etal.,1988); see 
                                        Stephenson, Sanduleak (1971).
PG 0823+546     08 23 01.0 +54 37 58  sdOC star, no nebula (Kwitter etal.,1989).
Ton 320         08 23 58.8 +31 40 03  PG 0823+317. H-rich WD, asymmetric nebula (Tweedy, 
                                        Kwitter, 1994). WD 0823+316 (McCook, Sion, 1999).

                                                                                    TABLE 6

__________________________________________________________________________________________

K 345-57        08 59 53.8 +41 29 40  Emission star, no nebulosity (Kwitter etal.,1989); 
                                        see Noguchi etal. (1980).
KS 292          09 18 20.0 -45 19 09  CPD-45 3655=CD-45 5058=LSS 1275. sdO star in 
                                        post-AGB, no nebula (Rauch etal.,1991).
PG 0931+691     09 31 43.6 +69 05 25  sdOC star, no nebula (Kwitter etal.,1989).
PG 0953+024     09 53 00.0 +02 26 54  Hot sdO star, no nebula (Mendez etal.,1988). No 
                                        nebula (Kwitter etal.,1989).
CBS 119         09 59 11.4 +34 05.7   Emission star, no nebula (Kwitter etal.,1989); see 
                                        Pesch, Sanduleak (1986).
PG 1030+665     10 30 09.5 +66 32 05  sdOB star, no nebula (Kwitter etal.,1989).
PG 1125-055     11 25 42.6 -05 29 56  sdOC star, no nebula (Kwitter etal.,1989).
PG 1144+005     11 44 01.8 +00 29 10  PG 1159 type star as pre-WD (Dreizler etal.,1994).
                                        No nebula (Tweedy, Kwitter, 1994). WD 1144+004 
                                        (McCook, Sion, 1999).
PG 1151-029     11 51 41.4 -02 55 24  PG 1159 type star as pre-WD (Dreizler etal.,1994).
                                        No nebula (Kwitter etal.,1989; Tweedy, Kwitter, 
                                        1994). WD 1151-029 (McCook, Sion, 1999).
PG 1159-035     11 59 12.3 -03 28 57  GW Vir. PG 1159 type star as pre-WD (Dreizler etal.,
                                        1994). No nebula (Mendez etal.,1988; Tweedy, 
                                        Kwitter, 1994). WD 1159-034 (McCook, Sion, 1999).
Feige 55        12 02 05   +60 48 44  LB 2197. PG 1202+608. H-rich WD, no nebula (Tweedy, 
                                        Kwitter, 1994). WD 1202+608 (McCook, Sion, 1999).
LB 2            12 14 03.4 +26 46 19  H-rich WD, no nebula (Tweedy, Kwitter, 1994); see 
                                        Luyten (1953). WD 1214+267 (McCook, Sion, 1999).
PG 1240+120     12 40 00.3 +12 00 28  Ton 109. sdOB star, no nebula (Kwitter etal.,1989).
PG 1249+762     12 49 02.0 +76 09 40  sdOC star, no nebulosity (Kwitter etal.,1989).
HZ 34           12 52 53.1 +37 48 47  H-rich WD, no nebula (Tweedy, Kwitter, 1994).
                                        WD 1253+378 (McCook, Sion, 1999).
K 494-08        13 01 21.9 +27 02 34  sdO star, no nebula (Kwitter etal.,1989); see
                                        Noguchi etal.(1980).
PG 1318+062     13 18 13.1 +06 14 40  sdOC star, no nebula (Kwitter etal.,1989).
PG 1325+054     13 25 50.1 +05 24 23  sdOC star, no nebula (Kwitter etal.,1989).
PG 1342+444     13 42 22.0 +44 23 35  H-rich WD, no nebula (Tweedy, Kwitter, 1994).
                                        WD 1342+443 (McCook, Sion, 1999).
LSE 44          13 49.6    -47 55     Hot sdO star, no nebula (Mendez etal.,1988); see 
                                        Drilling (1983).
LSE 153         13 50 01.5 -46 28 55  Hot sdO star, no nebula (Mendez etal.,1988); see 
                                        Drilling (1983).
PG 1357+240     13 57 43.8 +23 59 34  LB 705. sdOC star, no nebula (Kwitter etal.,1989).
PG 1401+289     14 01 03.1 +28 53 47  sdOC star, no nebula (Kwitter etal.,1989).
PG 1412+613     14 12 54.7 +61 15 05  sdOC star, no nebula (Kwitter etal.,1989). 
                                        WD 1412+612 (McCook, Sion, 1999).
PG 1424+535     14 24 14.9 +53 28 52  PG 1159 type star as pre-WD (Dreizler etal.,1994).
                                        No nebula (Kwitter etal.,1989; Tweedy, Kwitter, 
                                        1994). WD 1424+534 (?) (McCook, Sion, 1999).
PG 1425+590     14 25 29.8 +59 00 27  sdOC star, no nebula (Kwitter etal.,1989).
PG 1427+196     14 27 08.7 +19 34 56  sdOC star, no nebula (Kwitter etal.,1989).
H 1504+65       15 04.4    +65 36     PG 1159 type star as pre-WD (Dreizler etal.,1994).
                                        No nebula (Tweedy, Kwitter, 1994).
HS 1517+7403    15 17 08.7 +74 03 00  PG 1159 type star as pre-WD (Dreizler etal.,1994).
LSIV -12 1      16 20 57.4 -12 05 36  sdO star, no nebula (Kwitter etal.,1989).
PG 1624+382     16 24 31.3 +38 13 53  sdOC star, no nebula (Kwitter etal.,1989).
PG 1628+554     16 28 07.3 +55 21 47  sdOC star, no nebula (Kwitter etal.,1989).
PG 1707+427     17 07 14.1 +42 44 45  PG 1159 type star as pre-WD (Dreizler etal.,1994).
                                        No nebula (Kwitter etal.,1989). WD 1707+427 
                                        (McCook, Sion, 1999).
RE 1738+665     17 38 04.7 +66 55 24  H-rich hot WD, asymmetric nebula (Tweedy, Kwitter, 
                                        1994); see Barstow etal.(1994). X-ray source.
KPD 1856+2301   18 56 16   +23 01.4   sdOC star, no nebula (Kwitter etal.,1989); see
                                        Downes (1986).
KPD 1903+2540   19 03 35   +25 40.9   sdOC star, no nebula (Kwitter etal.,1989); see
                                        Downes (1986).

                                                                                    TABLE 6

__________________________________________________________________________________________

KPD 1938+4220   19 38 03   +42 20.8   sdOC star, no nebula (Kwitter etal.,1989); see
                                        Downes (1986).
LSII +18 9      19 41 17.5 +18 17 24  sdO star, no nebula (Kwitter etal.,1989).
KPD 2026+2205   20 26 08   +22 05.5   sdOC star, no nebula (Kwitter etal.,1989); see
                                        Downes (1986).
HS 2027+0651    20 27 05.2 +06 51 04  Hot-wind DO star, no nebulosity (Werner etal.,1997).
                                        WD 2027+068 (McCook, Sion, 1999).
HS 2033+0507    20 33 59.8 +05 07 19  Hot DAO star, no nebulosity (Werner etal.,1997).
                                        Pre-WD, no nebulosity (Rauch, 1999).
KPD 2048+3515   20 48 04   +35 15.9   sdOC star, no nebula (Kwitter etal.,1989); see
                                        Downes (1986).
KPD 2104+3407   21 04 13   +34 07.7   sdO star, no nebula (Kwitter etal.,1989); see
                                        Downes (1986).
HS 2115+1148    21 15 54.1 +11 48 53  Pre-WD, no nebulosity (Rauch, 1999). WD 2115+118 
                                        (McCook, Sion, 1999).
PG 2131+066     21 31 39.2 +06 37 35  PG 1159 type star as pre-WD (Dreizler etal.,1994).
                                        No nebulosity (Rauch, 1999). WD 2131+066 
                                        (McCook, Sion, 1999).
KPD 2145+4216   21 45 23   +42 16.9   sdOC star, no nebula (Kwitter etal.,1989); see
                                        Downes (1986).
MCT 2148-294    21 48 24.1 -29 28.7   Pre-WD, no nebulosity (Rauch, 1999).
BD+28 4211      21 48 57.1 +28 37 48  sdOp star, no nebula (Kwitter etal.,1989).WD 2148+286 
                                        (McCook, Sion, 1999).
PG 2215+151     22 15 22.5 +15 05 52  sdOC star, no nebula (Kwitter etal.,1989).
HS 2246+0640    22 46 54.0 +06 40 54  Hot DA star, no nebulosity (Werner etal.,1997).
PG 2304+193     23 04 45.5 +19 16 06  sdOC star, no nebula (Kwitter etal.,1989).
KPD 2322+4933   23 22 10   +49 33.9   sdOC star, no nebula (Kwitter etal.,1989); see
                                        Downes (1986).
HS 2324+3944    23 24 50.1 +39 44 53  Hybrid PG1159 type star, no nebulosity (Werner etal.,
                                        1997). WD 2324+397 (McCook, Sion, 1999).
PG 2343+267     23 43 20.0 +26 44 55  sdOC star, no nebulosity (Kwitter etal.,1989).
__________________________________________________________________________________________
REFERENCES:

Barstow M.A., Holberg J.B., Marsh M.C. etal., 1994, MNRAS 271, 175.
Chavira E., 1958, Bol. Obs. Tonantzintla y Tacubaya N.17, 15.
Demers S., Wesemael F., Irwin M.J. etal., 1990, ApJ 351, 271.
Downes R.A., 1986, ApJS 61, 569.
Dreizler S., Werner K., Heber U., 1994, in White Dwarfs (Eds. D. Koester, K. Werner), 
   Springer-Verlag, p.160 (Table 2).
Drilling J.S., 1983, ApJ Lett. 270, L13.
Kwitter K.B., Massey P., Congdon C.W., Pasachoff J.M., 1989, AJ 97, 1423.
Luyten W.J., 1953, AJ 58, 75.
McCook G.P., Sion E.M., 1999, ApJS 121, 1. (WD catalogue)
Mendez R.H., Gathier R., Simon K.P., Kwitter K.B., 1988, A&A 198, 287.
Noguchi T., Maehara H., Kondo M., 1980, Ann. Tokyo Astron. Obs. 18, 55.
Pesch P., Sanduleak N., 1986, ApJS 60, 543.
Rauch T., 1999, A&AS 135, 487.
Rauch T., Heber U., Hunger K. etal., 1991, A&A 241, 457.
Slettebak A., Brundage R.K., 1971, AJ 76, 338.
Stephenson C.B., Sanduleak N., 1971, Publ. Warner and Swasey Obs. Vol.1, 1.
Tweedy R.W., Kwitter K.B., 1994, ApJ Lett. 433, L93.
Werner K., Bagschik K., Rauch T., Napiwotzki R., 1997, A&A 327, 721.


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Lubos Kohoutek
2001-04-02