1996A&A...306....9S

Query : 1996A&A...306....9S

1996A&A...306....9S - Astronomy and Astrophysics, volume 3069-22 (1996/2-1)

Planetary nebulae and HII regions in NGC 300.

SOFFNER T., MENDEZ R.H., JACOBY G.H., CIARDULLO R., ROTH M.M. and KUDRITZKI R.P.

Abstract (from CDS):

We report a search for planetary nebulae and HII regions in the central part of the late-type spiral NGC 300, using a CCD and the on-band/off-band filter technique. The total exposure time for all frames was 4 hours. We have identified 34 PNs and 88 HII regions. We construct the cumulative [OIII] λ5007 PN luminosity function (PNLF) and obtain a distance modulus of 26.9±0.4, in satisfactory agreement with the cepheid distance modulus (26.7±0.1). We make a general comparison between cepheid and PNLF distances, showing that they are in excellent overall agreement. NGC 300 is in principle one of the best possible calibrators of the PNLF method of distance determination, to be preferentially applied, like the LMC, in cases of populations with recent star formation (as opposed to the bulge of M 31, which has served as calibrator for populations without recent star formation). Additional work will be necessary to confirm whether or not there is a sufficiently large difference between PNLFs of populations with and without recent star formation (typically, late-type spirals and irregulars as opposed to ellipticals and bulges of spirals) to justify in practice the use of different calibrators. We obtain for NGC 300 a specific PN formation rate which is closer to the specific evolutionary flux (dying stars per year per solar luminosity) than obtained in giant elliptical galaxies. This relatively higher PN formation rate in NGC 300 is consistent with either the low metallicity of this galaxy or with the presence of recent star formation (populations without recent star formation are predicted to have somewhat higher specific evolutionary fluxes, but apparently many of their dying stars fail to produce observable PNs if their ages are extremely old or their metallicities are very high). Concerning the HII regions in NGC 300, we have found a few high-excitation ones, as well as 7 ring-like objects. On the other hand we have not found any nebular emission at the position of the bright galactic nucleus, which is very probably an unresolved compact stellar cluster similar to the nucleus of M 33.

Abstract Copyright: ∼

Journal keyword(s): galaxies: individual (NGC 300) - ISM, distances - planetary nebulae: general, luminosity function

VizieR on-line data: <Available at CDS (J/A+A/306/9): table2.dat tab3-5.dat>

Nomenclature: Table 2: [SMJ96] PN NN (Nos 1-34). Table 3: [SMJ96] HII ENN (Nos E1-E26). Table 4: [SMJ96] HII CNN (Nos C1-C33). Table 5: [SMJ96] HII WNN (Nos W1-W31)

Simbad objects: 133

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Number of rows : 133
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 13622 1
2 [SMJ96] HII W30 HII 00 54 38.4 -37 41 22           ~ 1 0
3 XMMU J005438.1-374144 HII 00 54 38.42 -37 41 43.7           ~ 14 0
4 [DCL88] 41 HII 00 54 38.69 -37 41 26.3           ~ 6 0
5 [SMJ96] PN 24 PN 00 54 38.9 -37 41 37           ~ 1 0
6 [SMJ96] PN 30 PN 00 54 38.9 -37 40 21           ~ 1 0
7 [MAC2021] 180 HII 00 54 39.12 -37 41 44.4           ~ 2 0
8 [DCL88] 42 HII 00 54 39.15 -37 40 50.1           ~ 3 0
9 [SMJ96] HII W26 HII 00 54 39.6 -37 40 01           ~ 1 0
10 [MAC2021] 221 HII 00 54 39.78 -37 41 12.4           ~ 2 0
11 [SMJ96] PN 32 PN 00 54 39.9 -37 40 25           ~ 1 0
12 [MAC2021] 179 HII 00 54 40.31 -37 41 52.0           ~ 2 0
13 [LB2005] NGC 300 X1 HII 00 54 40.33 -37 40 46.0           ~ 3 0
14 [BGK2009] 12 HII 00 54 40.46 -37 40 55.1     16.85     ~ 17 0
15 [MAC2021] 330 HII 00 54 41.26 -37 40 40.0           ~ 2 0
16 [MAC2021] 374 PN 00 54 41.77 -37 40 21.3           ~ 3 0
17 [SMJ96] PN 15 PN 00 54 41.8 -37 40 40           ~ 2 0
18 [SMJ96] HII W20 HII 00 54 41.8 -37 40 18           ~ 1 0
19 [SMJ96] HII W19 HII 00 54 42.2 -37 40 26           ~ 1 0
20 [PRH2012] 22 PN 00 54 42.2386 -37 40 04.822           ~ 4 0
21 [SMJ96] PN 29 PN 00 54 42.4 -37 41 30           ~ 1 0
22 [SMJ96] HII W17 HII 00 54 42.4 -37 40 21           ~ 1 0
23 [SMJ96] HII W18 HII 00 54 42.5 -37 40 12           ~ 1 1
24 [SMJ96] PN 31 PN 00 54 42.9 -37 41 37           ~ 1 0
25 [SMJ96] HII W16 HII 00 54 42.9 -37 40 04           ~ 1 1
26 [BL97] N300-H11 HII 00 54 42.99 -37 40 03.8     17.13     ~ 8 1
27 [SMJ96] HII W15 HII 00 54 43.1 -37 40 02           ~ 1 0
28 [PRH2012] 24 PN 00 54 43.70 -37 41 51.3           ~ 3 0
29 [BGK2009] 15 HII 00 54 44.21 -37 40 26.6           ~ 12 0
30 [SMJ96] HII W13 HII 00 54 44.4 -37 41 54           ~ 1 0
31 [MAC2021] 243 PN 00 54 44.42 -37 41 29.4           ~ 3 0
32 [DCL88] 59 HII 00 54 44.59 -37 39 54.2           ~ 2 0
33 [BGK2009] 16 HII 00 54 44.62 -37 40 00.8           ~ 6 0
34 [DCL88] 60 HII 00 54 44.82 -37 41 10.2           ~ 5 0
35 [SMJ96] PN 17 PN 00 54 44.9 -37 40 26           ~ 2 0
36 [SMJ96] PN 26 PN 00 54 45.0 -37 40 34           ~ 1 0
37 [SMJ96] HII W8 HII 00 54 45.0 -37 41 58           ~ 1 0
38 [SMJ96] HII W9 HII 00 54 45.0 -37 41 48           ~ 1 0
39 [SMJ96] HII W7 HII 00 54 45.1 -37 41 44           ~ 1 0
40 [SMJ96] PN 22 PN 00 54 45.6 -37 41 29           ~ 2 0
41 [MAC2021] 469 HII 00 54 45.73 -37 40 05.6           ~ 2 0
42 [DCL88] 64 HII 00 54 46.51 -37 40 22.2           ~ 5 1
43 [SMJ96] HII W4 HII 00 54 46.7 -37 40 30           ~ 1 0
44 [SMJ96] HII W3 HII 00 54 47.0 -37 41 06           ~ 1 0
45 [SMJ96] PN 27 PN 00 54 47.3 -37 40 06           ~ 1 0
46 [SMJ96] PN 28 PN 00 54 47.3 -37 41 01           ~ 1 0
47 [SMJ96] HII W2 HII 00 54 47.8 -37 40 22           ~ 1 0
48 [SMJ96] PN 23 PN 00 54 48.0 -37 40 47           ~ 2 0
49 [SMJ96] PN 34 PN 00 54 48.2 -37 40 31           ~ 1 0
50 [SMJ96] HII C33 HII 00 54 48.8 -37 42 11           ~ 1 0
51 [MAC2021] 309 HII 00 54 48.94 -37 41 24.8           ~ 2 0
52 [SMJ96] HII C30 HII 00 54 49.7 -37 41 10           ~ 1 0
53 [DCL88] 74 HII 00 54 49.88 -37 41 12.5           ~ 4 0
54 [SMJ96] HII C29 HII 00 54 49.9 -37 40 23           ~ 1 1
55 [SMJ96] HII C28 HII 00 54 50.6 -37 41 36           ~ 1 0
56 [SMJ96] HII C27 HII 00 54 50.8 -37 41 28           ~ 1 0
57 [SMJ96] PN 4 PN 00 54 51.1 -37 41 44           ~ 2 0
58 [DCL88] 80 HII 00 54 51.15 -37 40 58.3           ~ 5 0
59 [SMJ96] HII C23 HII 00 54 51.2 -37 41 09           ~ 1 0
60 [SMJ96] HII C24 HII 00 54 51.2 -37 41 00           ~ 1 0
61 [DCL88] 81 HII 00 54 51.33 -37 41 45.9           ~ 6 0
62 [SMJ96] HII C22 HII 00 54 51.8 -37 41 39           ~ 1 0
63 [DCL88] 85 HII 00 54 52.05 -37 41 40.6           ~ 6 0
64 [SMJ96] HII C18 HII 00 54 52.4 -37 41 37           ~ 1 0
65 [MAC2021] 277 HII 00 54 52.44 -37 41 58.1           ~ 2 0
66 [DCL88] 86 HII 00 54 52.44 -37 40 36.4           ~ 4 0
67 [SMJ96] HII C17 HII 00 54 52.7 -37 40 41           ~ 1 0
68 [SMJ96] PN 14 PN 00 54 53.1 -37 40 52           ~ 2 0
69 NGC 300 GiG 00 54 53.4465638304 -37 41 03.168402396 8.83 8.69 8.13 7.46   ~ 1614 2
70 [SMJ96] HII C15 HII 00 54 54.1 -37 40 45           ~ 1 0
71 [MAC2021] 292 HII 00 54 54.57 -37 42 05.8           ~ 2 0
72 [MAC2021] 326 HII 00 54 54.69 -37 41 54.5           ~ 2 0
73 [SMJ96] HII C13 HII 00 54 54.9 -37 41 03           ~ 1 0
74 [MAC2021] 389 PN 00 54 54.9510 -37 41 32.876           ~ 4 0
75 [MAC2021] 403 PN 00 54 55.3444 -37 41 28.337           ~ 4 0
76 [SMJ96] HII C11 HII 00 54 55.4 -37 40 36           ~ 1 0
77 [DCL88] 95 HII 00 54 55.40 -37 42 13.5           ~ 3 0
78 [DCL88] 96 HII 00 54 55.86 -37 40 10.2           ~ 4 0
79 [SMJ96] HII C7 HII 00 54 56.1 -37 40 18           ~ 1 0
80 [SMJ96] HII C9 HII 00 54 56.3 -37 41 59           ~ 1 0
81 [SMJ96] HII C5 HII 00 54 56.3 -37 40 27           ~ 1 0
82 [BL97] N300-H13 HII 00 54 56.38 -37 40 28.1           ~ 10 0
83 [BL97] N300-H14 HII 00 54 56.51 -37 41 12.6           ~ 8 1
84 [SMJ96] HII C4 HII 00 54 56.8 -37 41 19           ~ 1 0
85 [SMJ96] HII C3 HII 00 54 56.9 -37 41 11           ~ 1 0
86 [SMJ96] HII C2 HII 00 54 57.1 -37 40 58           ~ 1 0
87 [DCL88] 101 HII 00 54 57.63 -37 40 59.9           ~ 4 0
88 [SMJ96] PN 11 PN 00 54 58.1 -37 41 08           ~ 2 0
89 [SMJ96] PN 10 PN 00 54 58.3 -37 41 14           ~ 2 0
90 [SMJ96] PN 13 PN 00 54 58.4 -37 41 12           ~ 2 0
91 [MAC2021] 565 PN 00 54 58.4086 -37 40 44.291           ~ 4 0
92 [MAC2021] 345 HII 00 54 58.51 -37 42 10.9           ~ 2 0
93 [SMJ96] HII E24 HII 00 54 58.9 -37 41 11           ~ 1 0
94 [SMJ96] PN 18 PN 00 54 59.5 -37 40 59           ~ 2 0
95 [MAC2021] 593 HII 00 54 59.84 -37 40 29.1           ~ 2 0
96 [SMJ96] PN 20 PN 00 54 59.9 -37 41 48           ~ 1 0
97 [SMJ96] HII E22 HII 00 55 00.0 -37 40 44           ~ 1 0
98 [SMJ96] HII E21 HII 00 55 00.2 -37 40 54           ~ 1 0
99 PEB NGC 300 2 HII 00 55 00.59 -37 40 36.6     18.21     ~ 12 0
100 XMMU J005500.7-374143 HII 00 55 00.66 -37 41 41.1           ~ 4 0
101 [SMJ96] HII E18 HII 00 55 00.8 -37 40 41           ~ 2 0
102 [SMJ96] HII E17 HII 00 55 01.4 -37 40 36           ~ 1 0
103 [PRH2012] 65 PN 00 55 01.71 -37 40 29.4           ~ 3 0
104 [MAC2021] 386 HII 00 55 02.49 -37 42 14.1           ~ 2 0
105 [SMJ96] PN 33 PN 00 55 02.5 -37 40 47           ~ 1 0
106 [MAC2021] 440 HII 00 55 03.07 -37 41 46.8           ~ 2 0
107 [SMJ96] HII E14 HII 00 55 03.1 -37 40 08           ~ 1 0
108 [SMJ96] PN 21 PN 00 55 03.1 -37 42 06           ~ 2 0
109 [SMJ96] PN 25 PN 00 55 03.7 -37 40 40           ~ 2 0
110 [SMJ96] PN 16 PN 00 55 04.1 -37 40 15           ~ 1 0
111 [MAC2021] 622 PN 00 55 04.2510 -37 40 52.201           ~ 4 0
112 [MAC2021] 564 HII 00 55 04.28 -37 41 16.8           ~ 2 0
113 [SMJ96] HII E12 HII 00 55 04.6 -37 41 28           ~ 1 0
114 [SMJ96] HII E9 HII 00 55 04.7 -37 40 18           ~ 1 0
115 [DCL88] 122 HII 00 55 04.74 -37 40 57.7           ~ 7 0
116 [SMJ96] PN 19 PN 00 55 04.8 -37 40 44           ~ 2 0
117 [SMJ96] HII E8 HII 00 55 04.9 -37 40 18           ~ 1 0
118 [DCL88] 123 HII 00 55 05.08 -37 41 27.8           ~ 4 0
119 [SMJ96] HII E7 HII 00 55 05.3 -37 41 29           ~ 1 0
120 [DCL88] 124 HII 00 55 05.35 -37 41 19.4           ~ 4 0
121 XMMU J005507.3-374106 HII 00 55 07.35 -37 41 06.9           ~ 7 0
122 [DCL88] 127 HII 00 55 07.56 -37 41 49.1           ~ 9 0
123 [MAC2021] 667 HII 00 55 07.66 -37 40 29.0           ~ 2 0
124 [SMJ96] HII E3 HII 00 55 07.7 -37 40 57           ~ 1 0
125 [DCL88] 128 HII 00 55 08.57 -37 41 39.4           ~ 5 0
126 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
127 M 81 Sy2 09 55 33.1726556496 +69 03 55.062505368   7.89 6.94     ~ 4725 3
128 NGC 3109 AG? 10 03 06.877 -26 09 34.46 11.10 10.42 10.04 9.91   ~ 825 2
129 M 100 AGN 12 22 54.9299993592 +15 49 20.296257960 10.04 10.05 9.35     ~ 1963 2
130 NGC 4571 GiC 12 36 56.3722998960 +14 13 02.296534836   13.6       ~ 368 1
131 NGC 5253 rG 13 39 55.990 -31 38 24.11 11.48 10.94 10.49 10.33 13.47 ~ 1421 4
132 HD 184738 PN 19 34 45.2337620448 +30 30 58.950651240   10.41 10.44     [WC9] 976 0
133 NGC 7027 PN 21 07 01.571952 +42 14 10.47120   10.358 8.831 10.157   ~ 2541 1

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