2001A&A...373.1032S

Query : 2001A&A...373.1032S

2001A&A...373.1032S - Astronomy and Astrophysics, volume 373, 1032-1042 (2001/7-3)

An analysis of the observed radio emission from planetary nebulae.

SIODMIAK N. and TYLENDA R.

Abstract (from CDS):

We have analysed the radio fluxes for 264 planetary nebulae for which reliable measurements of fluxes at 1.4 and 5GHz, and of nebular diameters are available. For many of the investigated nebulae, the optical thickness is important, especially at 1.4GHz. Simple models like the one specified only by a single optical thickness or spherical, constant density shells do not account satisfactorily for the observations. Also an r^–2 density distribution is ruled out. A reasonable representation of the observations can be obtained by a two-component model having regions of two different values of optical thickness. We show that the nebular diameters smaller than 10" are uncertain, particularly if they come from photographic plates or Gaussian fitting to the radio profile. While determining the interstellar extinction from an optical to radio flux ratio, caution should be paid regarding optical thickness effects in the radio. We have developed a method for estimating the value of self absorption. At 1.4GHz self absorption of the flux is usually important and can exceed a factor of 10. At 5GHz self absorption is negligible for most of the objects, although in some cases it can reach a factor of 2. The Galactic bulge planetary nebulae when used to calibrate the Shklovsky method give a mean nebular mass of 0.14M_☉. The statistical uncertainty of the Shklovsky distances is smaller than a factor of 1.5.

Abstract Copyright: ∼

Journal keyword(s): planetary nebulae: general - radio continuum: ISM - ISM: dust, extinction

VizieR on-line data: <Available at CDS (J/A+A/373/1032): table1.dat table1.tex refs.dat>

Simbad objects: 264

Full paper

View the references in ADS

Number of rows : 264

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Mag B	Mag V	Mag R	Mag I	Sp type	#ref 1850 - 2024	#notes
1	PN Vy 1-1	PN	00 18 42.1732297536	+53 52 19.778622996					[WC]	129	0
2	PN Hu 1-1	PN	00 28 15.435	+55 57 54.48					~	161	1
3	PN K 3-90	PN	01 24 58.6160331768	+65 38 36.098144520					~	44	0
4	PN M 1-1	PN	01 37 19.3623937872	+50 28 11.344069236	13.07	13.91			~	142	0
5	PN M 1-4	PN	03 41 43.4191369752	+52 17 00.267451836	15.86	14.27	15.26		~	120	1
6	IC 351	PN	03 47 32.9806443144	+35 02 48.639127308	13.11	12.27	14.35		Of(H)	257	0
7	IC 2003	PN	03 56 21.9884187048	+33 52 30.759977028	13.11	11.87	13.44		[WC3?]	252	0
8	PN M 2-2	PN	04 13 15.0286446504	+56 56 58.407808596					~	90	0
9	PN M 4-18	PN	04 25 50.8356162744	+60 07 12.780446700	14.22	13.96			[WC11]	181	0
10	PN K 3-66	PN	04 36 37.2375115440	+33 39 30.074689980					O	76	0
11	PN H 3-29	PN	04 37 23.565	+25 02 43.90	15.70				~	72	1
12	PN K 3-67	PN	04 39 47.92824	+36 45 42.6276	15.085	13.680	14.965		~	73	0
13	Jonckheere 320	PN	05 05 34.2777790632	+10 42 22.924778148					O3V(f)	283	0
14	PN M 1-5	PN	05 46 50.0119955400	+24 22 02.848049436					~	116	1
15	PN A66 12	PN	06 02 20.045	+09 39 14.09					~	70	0
16	IC 2165	PN	06 21 42.7847803566	-12 59 14.040997076	12.146	10.782	12.305		~	375	0
17	PN VV 28	PN	06 25 57.2710426104	+17 47 27.136548168		12.5			[WC]	290	0
18	PN M 1-6	PN	06 35 45.1241072736	-00 05 37.396958568		15.84			O6-9I	116	1
19	PN M 1-7	PN	06 37 20.9195312048	+24 00 35.467965071					~	114	0
20	PN K 4-48	PN	06 39 55.842	+11 06 30.34		13.2			~	41	0
21	PN M 3-1	PN	07 02 49.9034289668	-31 35 29.173259232	12.9	12.70			~	125	0
22	PN M 1-9	PN	07 05 19.2001625040	+02 46 59.452173768					~	88	0
23	PN M 1-11	PN	07 11 16.6948815960	-19 51 02.898476424		13.5			WC10-11	146	0
24	PN M 1-12	PN	07 19 21.4685188440	-21 43 55.402228344		14.08			WC10-11	117	0
25	PN M 1-13	PN	07 21 15.037	-18 08 34.65	11.0				~	95	0
26	PN M 1-14	PN	07 27 56.5101847704	-20 13 22.650485448					O(H)7-9	103	0
27	PN M 4-2	PN	07 28 53.8248982128	-35 45 14.036049180		13.70			wels	55	0
28	PN M 1-16	PN	07 37 18.902	-09 38 47.96	12.7				~	182	0
29	PN M 1-17	PN	07 40 22.1724359520	-11 32 29.783641164					~	100	0
30	NGC 2438	PN	07 41 50.5194253896	-14 44 07.470144744					~	285	3
31	NGC 2440	PN	07 41 55.4	-18 12 32	11.469	10.104			~	652	2
32	PN M 3-5	PN	08 02 28.95456	-27 41 55.1976				16.135	~	85	1
33	NGC 2610	PN	08 33 23.4238416720	-16 08 57.796735596	9.02		11.23		~	181	0
34	PN M 3-6	PN	08 40 40.2260788368	-32 22 33.595889196		12.79			[WC]	109	0
35	NGC 5873	PN	15 12 50.8605628680	-38 07 31.585496844	11.6	9.7			[WC]	141	0
36	PN Me 2-1	PN	15 22 19.2811793544	-23 37 31.412401104	12.2	12.20			~	216	0
37	NGC 6026	PN	16 01 21.1234809960	-34 32 35.786302980	13.2	12.50			O7	110	0
38	PN PC 12	PN	16 43 53.7839161872	-18 57 11.951244144					O	85	0
39	WRAY 15-1537	PN	16 48 48.55	-35 00 57.6		17.50			~	21	0
40	PN H 1-2	PN	16 48 54.1065182208	-35 47 08.952429948	11.5	13.60			[WC11]	65	0
41	PN M 2-4	PN	17 01 06.2230175160	-34 49 38.610796908		14.40			~	76	0
42	IC 4634	PN	17 01 33.5816774904	-21 49 33.015515916	12.3	11.3			O3If	278	0
43	PN M 2-5	PN	17 02 19.0885293528	-33 10 04.843181568	16.28	15.08		14.44	~	68	0
44	PN M 1-19	PN	17 03 46.8491993472	-33 29 44.433527316	15.02	13.87	14.87	14.16	[WC]	70	0
45	PN M 2-6	PN	17 04 18.32832	-30 53 28.8816			15.650		~	77	0
46	PN H 2-1	PN	17 04 36.2535135873	-33 59 18.777826386		13.25			O	142	0
47	PN M 2-8	PN	17 05 30.70	-32 32 08.1		14.50			[WC2/3]	62	0
48	PN M 2-9	PN	17 05 37.96152	-10 08 32.5068					~	522	0
49	PN M 4-3	PN	17 10 41.7794192424	-27 08 44.078638704		15.20			~	75	0
50	PN Na 1	PN	17 12 51.8802718320	-03 15 59.829445008					~	68	0
51	NGC 6302	PN	17 13 44.5	-37 06 11					O-rich	795	1
52	NGC 6309	PN	17 14 04.3074600360	-12 54 37.893271860	11.6				O(He)	312	1
53	PN M 2-11	PN	17 20 33.27	-29 00 39.1		14.00			~	79	0
54	PN M 3-39	PN	17 21 11.49	-27 11 36.3		14.00			~	79	0
55	PN H 1-11	PN	17 21 17.7263264688	-22 18 35.517598344					~	71	0
56	PN M 3-40	PN	17 22 28.2905114736	-27 08 42.369295200					~	66	0
57	PN M 3-7	PN	17 24 34.4529856560	-29 24 19.796240052		14.60			[WC]	90	0
58	PN Th 3-10	PN	17 24 40.90	-30 51 59.6					~	39	0
59	PN M 3-8	PN	17 24 52.15	-28 05 54.6		15.40			~	85	0
60	PN M 3-9	PN	17 25 43.3720063152	-26 11 55.407448140		15.80	13.03		~	74	0
61	PN M 3-10	PN	17 27 20.19	-28 27 51.2		14.40			~	93	0
62	PN H 2-10	PN	17 27 32.86	-28 31 06.9		16.10			~	57	0
63	PN H 1-14	PN	17 28 01.7515982952	-24 25 23.316231684		15.50			~	47	0
64	PN M 2-13	PN	17 28 34.1923703839	-13 26 20.742891193					~	63	0
65	PN H 1-15	PN	17 28 37.6286372256	-24 51 07.218909000		15.10			~	59	0
66	PN M 1-20	PN	17 28 57.6165015264	-19 15 54.033719256					~	128	0
67	PN H 1-16	PN	17 29 23.4288306495	-26 26 05.773990642	16.9	15.63	14.25	15.37	~	55	1
68	PN H 2-11	PN	17 29 25.9611478512	-25 49 07.205229768					~	63	0
69	PN H 1-17	PN	17 29 40.5936293856	-28 40 22.333706616		15.70			~	66	0
70	PN H 1-18	PN	17 29 42.76	-29 32 50.3					~	72	0
71	PN H 1-19	PN	17 30 02.57	-27 59 17.5		16.30			~	73	0
72	PN H 1-20	PN	17 30 43.8092470056	-28 04 06.841201728	17.1	16.0			~	81	0
73	PN Th 3-25	PN	17 30 46.81	-27 05 58.0		16.90			~	41	0
74	PN Th 3-26	PN	17 31 09.30	-28 14 50.4	14.5	14.5			~	55	1
75	PN H 1-23	PN	17 32 46.92	-30 00 14.9		16.00			~	76	0
76	PN H 1-24	PN	17 33 37.5822007992	-21 46 24.764813832					~	72	0
77	PN M 4-5	PN	17 34 54.72	-26 35 57.3		17.50			~	68	0
78	PN M 1-22	PN	17 35 10.239	-18 34 20.41					~	46	0
79	PN M 4-6	PN	17 35 13.99	-29 03 10.6					~	60	0
80	PN M 3-11	PN	17 35 21.4316949768	-20 57 23.430911652				15.44	~	49	0
81	PN Th 3-27	PN	17 35 58.467	-24 25 29.15					~	41	0
82	PN M 3-12	PN	17 36 22.634	-21 31 12.22					~	55	0
83	PN M 1-25	PN	17 38 30.3160501176	-22 08 38.934269052	17.9				[WC6]	145	0
84	PN SaSt 2-15	PN	17 38 57.3713723952	-18 17 35.788016724	13.93	13.66	13.82		~	74	0
85	ESO 455-139	PN	17 39 02.9171861568	-28 56 35.634293412		17.2			~	70	0
86	PN H 2-17	PN	17 40 07.4258459184	-24 25 42.592055448		16.00			~	79	0
87	WRAY 17-94	PN	17 40 12.84	-26 44 21.9		16.00			~	57	1
88	PN K 1-4	PN	17 40 27.52	-27 01 02.1		15.00			~	48	0
89	PN Hb 4	PN	17 41 52.8002065320	-24 42 08.330663196	18.4	17			[WC4]	219	1
90	PN M 2-14	PN	17 41 57.2678295912	-24 11 16.203074712		14.70	15.71	14.50	~	65	0
91	PN H 2-18	PN	17 43 18.3532870822	-21 09 03.245216375				13.816	~	78	0
92	PN M 3-14	PN	17 44 20.62	-34 06 40.6		14.90			~	85	0
93	PN M 3-15	PN	17 45 31.7096699160	-20 58 01.493896440					[WC4/6]	127	1
94	PN H 1-31	PN	17 45 31.9673698920	-34 33 54.807699996		14.50			~	66	0
95	PN H 2-20	PN	17 45 39.81	-25 40 00.3		17.00			~	75	1
96	PN M 1-26	PN	17 45 57.6673214328	-30 12 00.766253160	12.89	12.08	12.00		[WR]	211	0
97	PN M 1-27	WR?	17 46 45.4755803568	-33 08 35.133711936		13.90			[WC11]?	100	0
98	PN M 2-15	PN	17 46 54.449	-16 17 24.80					~	61	0
99	PN H 1-33	PN	17 47 49.4162559989	-34 08 05.126681277		15.30			~	62	1
100	PN Hb 5	PN	17 47 56.20	-29 59 39.6	10.50	10.78			~	266	0
101	NGC 6439	PN	17 48 19.820	-16 28 44.42		12.2			~	174	0
102	PN H 1-35	PN	17 49 13.9398459192	-34 22 52.812575256		12.90			wels?	112	0
103	Hen 2-289	Sy*	17 49 48.2107694784	-37 01 27.797630520			13.828		M4/5:e	162	0
104	PN M 1-29	PN	17 50 17.9658145641	-30 34 54.987881214		14.00			~	90	1
105	PN Th 4-5	PN	17 50 28.377	-19 03 10.01					~	47	0
106	PN M 3-44	PN	17 51 18.9230505792	-30 23 53.176813980		16.50			[WC11]	82	0
107	PN M 4-7	PN	17 51 44.663	-31 36 00.18					~	43	0
108	PN Al 2-O	PN	17 51 45.2906395529	-32 03 03.985685465		16.40		14.59	~	32	1
109	PN M 2-17	PN	17 52 04.896	-17 36 05.23					~	49	0
110	PN M 3-45	PN	17 52 05.96	-30 05 14.0		15.60			~	56	0
111	PN Th 4-7	PN	17 52 22.569	-21 51 13.43		15.46	14.01		~	39	0
112	PN M 2-16	PN	17 52 34.37	-32 45 51.4		14.80			~	72	0
113	PN M 1-31	PN	17 52 41.4448424016	-22 21 57.159303984					[WC]	104	0
114	PN M 1-30	PN	17 52 58.95	-34 38 22.6	16.6	16.4			~	106	0
115	PN H 1-39	PN	17 53 21.0206431968	-33 55 58.445317128		15.20			[WC11]?	63	0
116	PN M 2-18	PN	17 53 37.85	-32 58 47.8		14.90			~	61	0
117	PN M 2-19	PN	17 53 45.6485317560	-29 43 46.975373868		16.976		15.973	O(H)6-8III-V	90	0
118	PN Bl M	PN	17 53 47.118	-28 27 17.11		16.6			~	43	0
119	PN Cn 2-1	PN	17 54 33.010	-34 22 21.15		12.70	14.47	13.70	~	134	0
120	IC 4670	PN	17 55 07.031	-21 44 40.04	15.03	13.28	13.88	13.56	~	146	2
121	PN H 1-40	PN	17 55 36.0545698680	-30 33 32.359297176		15.50			~	97	0
122	PN M 1-32	PN	17 56 20.11	-16 29 04.6	18.3	17.0			[WC4/5]	103	1
123	PN M 3-17	PN	17 56 25.65	-31 04 17.2		16.50			[WC11]?	61	0
124	PN H 1-41	PN	17 57 19.1084978568	-34 09 48.784614372					[WC]	88	0
125	PN M 1-33	PN	17 58 58.81	-15 32 14.8					~	64	1
126	PN H 1-46	PN	17 59 02.5031407080	-32 21 43.494698556		14.30			~	78	0
127	PN H 1-47	PN	18 00 37.6202014872	-29 21 50.638625244		15.60			[WC11]?	77	0
128	IC 4673	PN	18 03 18.4585925304	-27 06 22.715564832		13.50			O(H)8	114	0
129	PN M 1-35	PN	18 03 39.30	-26 43 33.9		14.50			~	93	0
130	PN M 2-27	PN	18 03 52.5718384152	-31 17 47.161796424		14.40			[WC4]:	103	0
131	PN H 1-50	PN	18 03 53.5082954976	-32 41 42.015068628	10	12.80			~	79	0
132	PN M 2-28	PN	18 05 02.73	-30 58 18.0		15.50			~	52	0
133	NGC 6537	PN	18 05 13.104	-19 50 34.88		13.58			~	426	1
134	PN M 1-37	PN	18 05 25.8092901000	-28 22 04.282489956		14.70			[WC11]?	129	0
135	PN M 1-38	PN	18 06 05.74	-28 40 30.0		13.90			~	99	0
136	PN M 3-23	PN	18 07 06.16	-30 34 17.8		14.50			~	59	0
137	PN H 1-54	PN	18 07 07.2793260936	-29 13 05.972785284		13.90			~	103	0
138	PN M 1-39	PN	18 07 30.7	-13 28 49					~	62	1
139	PN M 1-40	PN	18 08 25.989	-22 16 52.93	11				~	117	1
140	PN M 1-42	PN	18 11 04.99	-28 58 59.1	13.1	14.00			~	207	0
141	NGC 6565	PN	18 11 52.4858232888	-28 10 42.421241244	12.5	12.2	12.12		PN	226	0
142	NGC 6572	PN	18 12 06.3181909152	+06 51 13.027935240	9.3	10.8			[WC]	753	0
143	PN M 4-8	PN	18 12 09.6056166096	-10 42 58.355591004					~	40	0
144	PN M 2-30	PN	18 12 34.40	-27 58 10.5	13.5	14.00			~	105	0
145	PN M 2-31	PN	18 13 16.0521431976	-25 30 05.320920636	13.3	13.60			[WC4/6]	100	0
146	PN M 4-9	PN	18 14 18.41	-04 59 22.1		16.6			~	75	0
147	PN KFL 15	PN	18 14 19.324	-25 20 51.22					~	24	0
148	PN M 2-33	PN	18 15 06.5634327720	-30 15 33.265211580			14.61	14.03	O5f(H)	105	0
149	PN M 3-25	PN	18 15 16.967	-10 10 09.47					~	52	0
150	PN SwSt 1	PN	18 16 12.2834104368	-30 52 07.906578996	12.1	11.10			[WC9/10]	294	0
151	PN Cn 3-1	PN	18 17 34.1015035728	+10 09 03.304908396	12.93	12.49	12.35		07Ib(f)	219	0
152	PN H 1-65	PN	18 20 08.8466492016	-24 15 05.268485484	12	14.30			[WC11]	84	0
153	PN M 2-40	PN	18 21 23.8579139424	-06 01 55.766823672		15.8			~	63	0
154	PN M 2-42	PN	18 22 32.08	-24 09 27.7		13.90			~	78	0
155	NGC 6620	PN	18 22 54.182	-26 49 17.19	12.8	13.30	14.34	14.55	~	139	0
156	PN M 1-45	PN	18 23 07.9832213304	-19 17 05.323374528					~	55	0
157	PN H 1-67	PN	18 25 04.976	-22 34 52.64					[WC2/3]	62	0
158	PN M 2-43	PN	18 26 40.0500205632	-02 42 57.364170912		15.7			[WC7/8]	120	0
159	PN K 3-3	PN	18 27 09.236	+01 14 24.33					~	40	0
160	PN M 1-46	PN	18 27 56.3175434256	-15 32 54.434037264		12.83			O(H)7I(fc)	125	0
161	PN Vy 2-1	PN	18 27 59.6260402536	-26 06 48.065269284	12.8	13.20			[WC]	87	0
162	PN M 1-47	PN	18 29 11.1420012552	-21 46 54.068611620					~	44	0
163	PN Cn 1-5	PN	18 29 11.6500996872	-31 29 59.135208396	15.5	15.2	13.34		[WC5/6]	150	0
164	PN A66 44	PN	18 30 11.242	-16 45 26.32					~	43	0
165	NGC 6644	PN	18 32 34.70280	-25 07 44.1588					~	193	0
166	PN K 3-6	PN	18 33 17.4969402000	+00 11 46.782624084		16.5			~	37	0
167	PN M 1-51	PN	18 33 29.05	-11 07 26.5					[WC4/6]	91	1
168	IC 4732	PN	18 33 54.6340681272	-22 38 41.382665232	12.5				~	147	0
169	PN K 3-7	PN	18 34 13.60	-02 27 37.1		17.5			~	40	0
170	PN M 4-10	PN	18 34 13.85	-13 12 24.7					~	38	0
171	PN V-V 3	PN	18 37 11.11	-19 02 21.9					~	44	0
172	PN M 2-44	PN	18 37 36.9561946872	-03 05 57.027607908		14.1			~	49	0
173	PN M 1-56	PN	18 37 46.27	-17 05 46.8					~	56	0
174	PN M 1-57	PN	18 40 20.2561639992	-10 39 47.216941560					~	93	0
175	PN K 3-11	PN	18 41 07.311	-08 55 58.97					~	40	0
176	PN M 1-59	PN	18 43 20.20	-09 04 49.1					~	98	1
177	PN M 1-60	PN	18 43 38.0929948608	-13 44 49.280634744					[WC4]	84	0
178	PN M 3-32	PN	18 44 43.03	-25 21 34.8					~	70	0
179	PN K 3-13	PN	18 45 24.6682212456	+02 01 25.376350188					~	33	0
180	IC 4776	PN	18 45 50.705	-33 20 34.12	11.98	10.62			[WC]pec	194	1
181	PN M 1-61	PN	18 45 55.12	-14 27 37.9					~	108	0
182	PN Pe 1-15	PN	18 46 24.3514915104	-07 14 35.074555908					~	48	0
183	PN M 2-46	PN	18 46 34.61	-08 28 02.1					~	68	0
184	PN H 2-48	PN	18 46 35.1182447568	-23 26 48.261468804		13			OIII-V	89	0
185	PN Pe 1-18	PN	18 48 46.454	-05 56 07.71		15.2			~	48	0
186	PN Hu 2-1	PN	18 49 47.5610183328	+20 50 39.396894756	12.369	11.126	12.30		~	278	0
187	PN M 1-62	PN	18 50 26.0470300152	-22 34 22.707895260					[WC]	50	0
188	PN Sa 1-8	PN	18 50 44.3429282736	-13 31 02.365384008	12				O(H)4-8III	46	0
189	PN Vy 1-4	PN	18 54 01.8931272864	-06 26 20.229608472		12.4			~	40	0
190	IC 1295	PN	18 54 37.1482406280	-08 49 37.419993444					DAO.56	94	1
191	PN K 3-17	PN	18 56 18.164	+07 07 25.88					~	67	1
192	PN M 1-65	PN	18 56 33.6348962736	+10 52 09.588530604		14.89			~	67	0
193	PN M 1-66	PN	18 58 26.24	-01 03 45.6					~	51	1
194	PN K 3-19	PN	19 01 36.575	-01 19 07.85					~	41	0
195	NGC 6741	PN	19 02 37.10	-00 26 56.7		9.6			~	346	0
196	PN M 2-47	PN	19 13 34.5440854320	+04 38 04.013922588					O3-6	58	0
197	EM* AS 345	PN	19 14 04.1376219912	+17 31 33.124452240	11				~	45	0
198	NGC 6772	PN	19 14 36.373	-02 42 25.04	17.01				~	148	0
199	PN K 3-29	PN	19 15 30.5684625864	+14 03 49.876616808					~	36	0
200	PN K 3-30	PN	19 16 27.6992127396	+05 13 19.413334064					~	37	0
201	IC 4846	PN	19 16 28.2266496960	-09 02 36.677150592					~	214	0
202	NGC 6781	PN	19 18 28.085	+06 32 19.29		11.8			~	261	0
203	PN K 3-31	PN	19 19 02.6456875992	+19 02 21.008706036					~	43	0
204	PN K 3-33	PN	19 22 26.6674857936	+10 41 21.260931252					~	39	1
205	NGC 6790	PN	19 22 56.972976	+01 30 46.40112	12.247	10.504	12.684		wels	322	0
206	Hen 2-432	PN	19 23 24.8082003264	+21 08 00.382521129					~	42	0
207	Hen 1-1	PN	19 23 46.85	+21 06 37.5					~	50	0
208	PN Vy 2-2	PN	19 24 22.2390166933	+09 53 56.259102426	14.02	12.65	13.38		O-rich	261	0
209	Hen 1-2	PN	19 26 37.7448050904	+21 09 26.941487868		16.7			O9-B0I	47	0
210	PN M 3-34	PN	19 27 01.8981450048	-06 35 04.739628516					~	63	1
211	PN K 3-35	PN	19 27 43.9749997920	+21 30 02.907990216					O-rich	149	0
212	PN PB 9	PN	19 27 44.8123854768	+10 24 20.698116120					~	38	0
213	PN PB 10	PN	19 28 14.487	+12 19 37.11					~	38	1
214	PN K 4-28	PN	19 30 16.668	+14 47 21.84					~	19	0
215	NGC 6803	PN	19 31 16.4826019750	+10 03 21.620200381	13.034	11.616	13.242		~	248	0
216	PN K 3-37	PN	19 33 46.75	+24 32 27.1					~	35	0
217	NGC 6807	PN	19 34 33.53	+05 41 02.5		12			~	140	0
218	HD 184738	PN	19 34 45.2337620448	+30 30 58.950651240	10.41	10.44			[WC9]	952	0
219	PN K 3-38	PN	19 35 18.354	+17 13 00.71					~	31	0
220	PN K 3-40	PN	19 36 21.81	+23 39 47.7					~	31	0
221	PN M 1-71	PN	19 36 26.9207484077	+19 42 24.018831075					[WC]	87	1
222	Hen 2-440	PN	19 38 08.4	+25 15 41					~	38	1
223	PN Me 1-1	PN	19 39 09.8202196560	+15 56 48.274743516	13.343	11.855	12.493		~	126	0
224	PN K 3-42	PN	19 39 35.785	+20 19 01.87					~	33	0
225	PN M 1-73	PN	19 41 09.2937490896	+14 56 58.980006096					O3.5If	80	1
226	PN M 1-72	PN	19 41 33.9729642288	+17 45 17.525500164					~	56	0
227	PN M 1-74	PN	19 42 18.78	+15 09 08.3	12.8				~	123	0
228	Hen 2-447	PN	19 45 22.1637025776	+21 20 03.923253024	11.49	11.04			~	56	1
229	PN M 2-48	PN	19 50 28.52520	+25 54 29.5452					~	79	0
230	PN K 4-41	PN	19 56 34.027	+32 22 12.96					~	42	0
231	PN K 3-52	PN	20 03 11.44	+30 32 34.1					~	43	0
232	PN K 3-53	PN	20 03 22.46	+27 00 54.8					~	39	0
233	PN K 3-54	PN	20 04 58.6341865368	+25 26 37.272489324					~	43	0
234	NGC 6884	PN	20 10 23.6424784416	+46 27 39.631794408	11.9	10.9			~	314	1
235	NGC 6879	PN	20 10 26.6930056361	+16 55 21.272110541	13.661	12.540	14.075		O3f(He)	150	0
236	NGC 6881	PN	20 10 52.45	+37 24 42.4					~	207	0
237	NGC 6886	PN	20 12 42.83016	+19 59 22.6320	13.053	11.719			~	320	1
238	PN K 3-57	PN	20 12 47.725	+34 20 32.79					~	36	0
239	Hen 2-459	PN	20 13 57.8909464128	+29 33 55.874044764	14.10	12.67			[WC9]	102	0
240	Hen 1-7	PN	20 19 38.1286945368	+27 00 11.223593604					~	32	0
241	IC 4997	PN	20 20 08.7557973960	+16 43 53.698933380	11.94	11.15			[WC7/8]	544	0
242	PN M 3-35	PN	20 21 03.7631843136	+32 29 24.005231700	15.56	15.30			~	95	0
243	PN K 3-78	PN	20 45 22.6885835640	+50 22 39.860086116					~	32	0
244	NGC 7008	PN	21 00 32.817600	+54 32 35.37600			13.21		~	240	1
245	NGC 7027	PN	21 07 01.571952	+42 14 10.47120	10.358	8.831	10.157		~	2459	1
246	NGC 7048	PN	21 14 15.1876901775	+46 17 17.103824106					~	132	1
247	IRAS 21190+5140	HII	21 20 44.8	+51 53 28					~	131	2
248	NGC 7076	PN	21 26 23.540	+62 53 31.83					~	58	0
249	PN K 3-60	PN	21 27 26.47944	+57 39 06.1704					~	50	0
250	PN K 3-61	PN	21 30 00.7565699064	+54 27 27.195110712	15.9	14.8			[WC4/6]	75	0
251	PN K 3-82	PN	21 30 51.4752874224	+50 00 08.465774400					~	43	0
252	PN K 3-62	PN	21 31 50.1857850312	+52 33 51.571785996					~	82	1
253	IC 5117	PN	21 32 30.96912	+44 35 47.5404					~	301	1
254	PN Hu 1-2	PN	21 33 08.3106242400	+39 38 09.554428752		12.0			~	286	1
255	PN M 1-79	PN	21 37 01.500	+48 56 02.62		19.11			~	67	0
256	PN M 2-49	PN	21 43 17.60	+50 25 14.4					~	43	0
257	PN Bl 2-1	PN	22 20 16.62720	+58 14 16.5624					~	49	1
258	PN M 2-52	PN	22 20 30.77976	+57 36 21.2184					~	56	1
259	IC 5217	PN	22 23 55.7180137224	+50 58 00.464340252		15.5			[WC7]	306	0
260	PN Me 2-2	PN	22 31 43.6753782000	+47 48 03.836846628	9.3				~	154	0
261	PN M 2-53	PN	22 32 17.720	+56 10 26.12					~	70	0
262	PN M 1-80	PN	22 56 19.89864	+57 09 20.8656					~	97	2
263	NGC 7662	PN	23 25 53.8318792825	+42 32 05.835828380			11.427		~	926	0
264	PN M 2-55	PN	23 31 52.708	+70 22 10.11					~	83	0

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