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Query : 2003A&A...400..161B |
2003A&A...400..161B - Astronomy and Astrophysics, volume 400, 161-183 (2003/3-2)
The 3-D ionization structure of NGC 6818: A Planetary Nebula threatened by recombination.
BENETTI S., CAPPELLARO E., RAGAZZONI R., SABBADIN F. and TURATTO M.
Abstract (from CDS):
Abstract Copyright: ∼
Journal keyword(s): planetary nebulae: individual: NGC 6818 - ISM: kinematics and dynamics
Simbad objects: 27
Number of rows : 27 |
N | Identifier | Otype |
ICRS (J2000) RA |
ICRS (J2000) DEC |
Mag U | Mag B | Mag V | Mag R | Mag I | Sp type |
#ref
1850 - 2024 |
#notes |
---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | NGC 40 | PN | 00 13 01.0170097248 | +72 31 19.033338720 | 11.63 | 11.46 | [WC8] | 617 | 2 | |||
2 | PN Hu 1-1 | PN | 00 28 15.435 | +55 57 54.48 | ~ | 161 | 1 | |||||
3 | NGC 1501 | PN | 04 06 59.3920909320 | +60 55 14.278542024 | 15.17 | 13.0 | [WO4] | 296 | 1 | |||
4 | IC 418 | PN | 05 27 28.2059533560 | -12 41 50.282287764 | 9.405 | 9.010 | 10.118 | O7fp | 1031 | 2 | ||
5 | NGC 2392 | PN | 07 29 10.7671398096 | +20 54 42.474888072 | 9.68 | O6f | 723 | 1 | ||||
6 | NGC 3132 | PN | 10 07 01.7656422504 | -40 26 11.130553032 | 10.14 | 10.01 | A2V | 393 | 1 | |||
7 | PN My 59 | PN | 10 23 09.1381004472 | -60 32 42.103742784 | O(H)7-9I | 131 | 1 | |||||
8 | NGC 3242 | PN | 10 24 46.1335521792 | -18 38 32.296857792 | 11.83 | 12.15 | ~ | 819 | 1 | |||
9 | NGC 4071 | PN | 12 04 14.7015321744 | -67 18 36.458254800 | 14.00 | ~ | 90 | 0 | ||||
10 | PN MyCn 18 | PN | 13 39 35.0596178496 | -67 22 51.750497136 | 13.30 | 12.54 | 13.19 | 12.61 | ~ | 284 | 1 | |
11 | PN Mz 3 | PN | 16 17 13.3915382496 | -51 59 10.711893480 | 10.8 | 14.00 | O9.5 | 349 | 0 | |||
12 | NGC 6153 | PN | 16 31 30.5708444544 | -40 15 12.646208700 | 10.7 | 15.55 | ~ | 303 | 0 | |||
13 | NGC 6210 | PN | 16 44 29.5191019368 | +23 47 59.421958296 | 12.3 | 11.7 | Of/[WR] | 587 | 0 | |||
14 | NGC 6326 | PN | 17 20 46.252 | -51 45 15.17 | 12.83 | 11.53 | 16.00 | 15.16 | O(H)5-8((fc)) | 145 | 0 | |
15 | IC 4663 | PN | 17 45 28.6295081208 | -44 54 17.987147856 | [WN3] | 97 | 0 | |||||
16 | NGC 6543 | PN | 17 58 33.4039587288 | +66 37 58.750734000 | 11.09 | 11.28 | [WC] | 1170 | 1 | |||
17 | NGC 6565 | PN | 18 11 52.4858232888 | -28 10 42.421241244 | 12.5 | 12.2 | 12.12 | PN | 226 | 0 | ||
18 | NGC 6751 | PN | 19 05 55.5383775432 | -05 59 32.288861544 | 15.78 | 15.48 | [WC4] | 328 | 0 | |||
19 | NGC 6818 | PN | 19 43 58.022 | -14 09 13.44 | 9.3 | ~ | 346 | 1 | ||||
20 | NGC 6826 | PN | 19 44 48.1500225888 | +50 31 30.249034932 | 9.779 | 9.359 | 10.775 | O3f(H) | 719 | 0 | ||
21 | NGC 6884 | PN | 20 10 23.6424784416 | +46 27 39.631794408 | 11.9 | 10.9 | ~ | 314 | 1 | |||
22 | PN K 3-57 | PN | 20 12 47.725 | +34 20 32.79 | ~ | 36 | 0 | |||||
23 | PN A66 70 | PN | 20 31 33.2075500128 | -07 05 18.034910556 | 16.847 | D+G8IV/VeBa | 83 | 0 | ||||
24 | NGC 7009 | PN | 21 04 10.8155187648 | -11 21 48.580157556 | 12.48 | 12.07 | ~ | 996 | 1 | |||
25 | PN M 2-51 | PN | 22 16 03.890 | +57 28 33.75 | ~ | 82 | 0 | |||||
26 | NGC 7354 | PN | 22 40 19.8733664208 | +61 17 08.746685772 | ~ | 277 | 1 | |||||
27 | NGC 7662 | PN | 23 25 53.8318792825 | +42 32 05.835828380 | 11.427 | ~ | 926 | 0 |
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