2003A&A...400..511M


Query : 2003A&A...400..511M

2003A&A...400..511M - Astronomy and Astrophysics, volume 400, 511-520 (2003/3-3)

Spectroscopy of planetary nebulae in M 33.

MAGRINI L., PERINOTTO M., CORRADI R.L.M. and MAMPASO A.

Abstract (from CDS):

Spectroscopic observations of 48 emission-line objects of M 33 have been obtained with the multi-object, wide field, fibre spectrograph AF2/WYFFOS at the 4.2 m WHT telescope (La Palma, Spain). Line intensities and logarithmic extinction, cβ, are presented for 42 objects. Their location in the Sabbadin & D'Odorico (1976A&A....49..119S) diagnostic diagram (Hα/[S II] vs. Hα/[N II]) suggests that >70% of the candidates are Planetary Nebulae (PNe). Chemical abundances and nebular physical parameters have been derived for the three of the six PNe where the 4363Å [O III] emission line was measurable. These are disc PNe, located within a galactocentric distance of 4.1kpc, and, to date, they are the farthest PNe with a direct chemical abundance determination. No discrepancy in the helium, Oxygen and Argon abundances has been found in comparison with corresponding abundances of PNe in our Galaxy. Only a lower limit to the sulphur abundance has been obtained since we could not detect any [S III] line. N/H appears to be lower than the Galactic value; some possible explanations for this under-abundance are discussed.

Abstract Copyright:

Journal keyword(s): planetary nebulae: individual: M 33 - galaxies: individual: M 33 - galaxies: abundances

CDS comments: Table 1 : objects MCMP NNN= [MCM2000] PN NNN, objects MCMPc NN = [MCM2000] Em NN.

Simbad objects: 55

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Number of rows : 55
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 185 Sy2 00 38 57.9400026024 +48 20 15.035874648   9.10 9.2     ~ 796 1
2 M 110 GiG 00 40 22.0572349992 +41 41 07.507220136   8.92 8.07     ~ 1304 1
3 M 32 GiG 00 42 41.82480 +40 51 54.6120 9.51 9.03 8.08     ~ 2143 2
4 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 12558 1
5 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 11040 1
6 [MCM2000] Em 5 EmO 01 32 26.97 +30 24 13.1           ~ 3 0
7 [MCM2000] Em 6 EmO 01 32 27.3105126840 +30 25 35.127051600           ~ 4 0
8 [MCM2000] PN 8 PN 01 32 48.66 +30 25 53.2           ~ 7 0
9 [CDL2004] 9 PN 01 32 52.96 +30 41 57.7           ~ 5 0
10 [MCM2000] Em 18 EmO 01 33 05.31 +30 35 10.1           ~ 3 0
11 [CDL2004] 18 PN 01 33 06.11 +30 31 04.5           ~ 9 0
12 [CDL2004] 20 PN 01 33 07.44 +30 54 23.2           ~ 6 0
13 [MCM2000] PN 23 PN? 01 33 13.58 +30 22 36.3           ~ 5 0
14 [CDL2004] 25 PN 01 33 15.50 +30 17 53.7           ~ 6 0
15 [CDL2004] 29 PN 01 33 19.25 +30 29 40.2           ~ 8 0
16 [CDL2004] 32 PN 01 33 21.18 +30 41 14.6           ~ 5 0
17 [CDL2004] 37 PN 01 33 25.11 +30 45 06.2           ~ 5 0
18 [CDL2004] 38 PN? 01 33 26.39 +30 41 47.5           ~ 4 0
19 [CDL2004] 39 PN 01 33 26.59 +30 35 50.3           ~ 5 0
20 [CDL2004] 41 PN 01 33 27.79 +30 34 29.2           ~ 6 0
21 [CDL2004] 45 PN 01 33 31.88 +30 30 32.6           ~ 6 0
22 [CDL2004] 46 PN 01 33 32.17 +30 28 20.2           ~ 6 0
23 [CDL2004] 48 PN 01 33 32.34 +30 42 40.4           ~ 5 0
24 [MCM2000] Em 35 EmO 01 33 35.56 +30 25 56.8           ~ 3 0
25 [MCM2000] PN 122 PN? 01 33 37.89 +30 39 34.8           ~ 4 0
26 [MCM2000] PN 53 PN? 01 33 41.73 +30 37 24.1           ~ 4 0
27 [CDL2004] 65 PN 01 33 46.45 +30 26 55.4           ~ 7 0
28 [CDL2004] 66 PN 01 33 46.73 +30 17 33.5           ~ 7 0
29 [CDL2004] 70 PN 01 33 49.41 +30 32 06.6           ~ 9 0
30 M 33 GiG 01 33 50.8965749232 +30 39 36.630403128 6.17 6.27 5.72     ~ 5811 1
31 [CDL2004] 76 PN 01 33 52.77 +30 37 38.9           ~ 8 0
32 [CDL2004] 78 PN 01 33 54.68 +30 36 05.7           ~ 8 0
33 [CDL2004] 80 PN? 01 33 55.57 +30 16 02.8           ~ 5 0
34 [MCM2000] Em 43 HII 01 33 57.43 +30 32 42.3           ~ 4 0
35 [CDL2004] 88 PN 01 34 01.12 +30 50 27.3           ~ 8 0
36 [MCM2000] PN 78 PN? 01 34 02.59 +30 58 10.2           ~ 5 0
37 [CDL2004] 91 PN 01 34 02.61 +30 23 25.5           ~ 5 0
38 [CDL2004] 101 PN? 01 34 08.67 +30 43 33.3           ~ 4 0
39 [CDL2004] 109 PN 01 34 13.98 +30 22 36.5           ~ 8 0
40 [CDL2004] 113 PN 01 34 15.48 +30 32 20.3           ~ 9 0
41 [CDL2004] 115 PN 01 34 15.88 +30 24 54.5           ~ 8 0
42 [CDL2004] 116 PN 01 34 16.61 +30 41 10.4           ~ 5 0
43 [CDL2004] 124 PN 01 34 23.26 +30 46 27.5           ~ 5 0
44 [CDL2004] 125 PN 01 34 24.26 +30 27 54.4           ~ 8 0
45 IFM-B 1855 s*b 01 34 26.0860136904 +30 34 24.563859204 18.38 19.23 18.97 18.59 18.27 LBV: 13 0
46 [CDL2004] 135 PN 01 34 32.84 +30 41 10.6           ~ 8 0
47 [MCM2000] PN 127 PN? 01 34 47.13 +30 59 36.9           ~ 5 0
48 [MCM2000] PN 132 PN? 01 34 49.20 +30 37 27.7           ~ 4 0
49 NAME Fornax Dwarf Spheroidal G 02 39 59.3 -34 26 57   9.02 7.4     ~ 1729 1
50 * omi02 Eri B WD* 04 15 21.7957181469 -07 39 29.203986789 9.147 9.83 9.53     DA2.9 335 0
51 BD+52 913 WD* 05 05 30.6180977592 +52 49 51.919301604 10.25 11.44 11.69 11.93 12.108 DA.8 1085 0
52 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 17261 1
53 NAME Centaurus A Sy2 13 25 27.61521044 -43 01 08.8050291   8.18 6.84 6.66   ~ 4456 3
54 NAME SDG G 18 55 03.1 -30 28 42   4.5 3.6     ~ 2164 2
55 NGC 6822 G 19 44 56.199 -14 47 51.29   18 8.1     ~ 1553 0

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