2018A&A...612A..35G


Query : 2018A&A...612A..35G

2018A&A...612A..35G - Astronomy and Astrophysics, volume 612A, 35-35 (2018/4-1)

A deep narrowband survey for planetary nebulae at the outskirts of M 33.

GALERA-ROSILLO R., CORRADI R.L.M. and MAMPASO A.

Abstract (from CDS):


Context. Planetary nebulae (PNe) are excellent tracers of stellar populations with low surface brightness, and therefore provide a powerful method to detect and explore the rich system of substructures discovered around the main spiral galaxies of the local group.
Aims. We searched the outskirts of the local group spiral galaxy M 33 (the Triangulum) for PNe to gain new insights into the extended stellar substructure on the northern side of the disc and to study the existence of a faint classical halo.
Methods. The search is based on wide field imaging covering a 4.5 square degree area out to a maximum projected distance of about 40kpc from the centre of the galaxy. The PN candidates are detected by the combination of images obtained in narrowband filters selecting the [OIII]λ5007Å and Hα+[NII] nebular lines and in the continuum g' and r' broadband filters.
Results. Inside the bright optical disc of M 33, eight new PN candidates were identified, three of which were spectroscopically confirmed. No PN candidates were found outside the limits of the disc. Fourteen additional sources showing [OIII] excess were also discovered.
Conclusions. The absence of bright PN candidates in the area outside the galaxy disc covered by this survey sets an upper limit to the luminosity of the underlying population of ∼1.6x107L, suggesting the lack of a massive classical halo, which is in agreement with the results obtained using the red giant branch population.

Abstract Copyright: © ESO 2018

Journal keyword(s): planetary nebulae: general - galaxies: individual: M 31 - galaxies: individual: M 33 - local group - galaxies: interactions

Nomenclature: Table 4: [GCM2018] N (Nos 1-8). Table 7: [GCM2018] ENN (Nos E1-E14).

CDS comments: Table 1 fields not in SIMBAD.

Simbad objects: 71

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Number of rows : 71
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2022
#notes
1 M 31 G 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 11953 1
2 [GCM2018] E2 EmO 01 27 35.41 +31 00 08.2           ~ 1 0
3 [GCM2018] E4 EmO 01 28 26.44 +31 39 31.8           ~ 1 0
4 [GCM2018] E5 EmO 01 29 48.03 +30 55 06.1           ~ 1 0
5 [GCM2018] E6 EmO 01 29 54.43 +30 55 17.2           ~ 1 0
6 [GCM2018] E14 EmO 01 30 24.77 +29 39 18.6           ~ 1 0
7 [GCM2018] E8 EmO 01 30 31.82 +31 26 45.3           ~ 1 0
8 [GCM2018] E13 EmO 01 30 32.15 +31 26 18.7           ~ 1 0
9 [GCM2018] E3 EmO 01 31 27.30 +31 47 39.5           ~ 1 0
10 [GCM2018] E12 EmO 01 31 55.81 +31 51 51.8           ~ 1 0
11 [CDL2004] 1 PN 01 32 09.04 +30 22 05.7           ~ 3 0
12 [GCM2018] 5 PN? 01 32 17.29 +30 41 35.0           ~ 1 0
13 [GCM2018] E11 EmO 01 32 38.31 +29 26 02.5           ~ 1 0
14 SDSS J013238.33+292602.5 QSO 01 32 38.3317179264 +29 26 02.653704564           ~ 2 0
15 [CDL2004] 6 PN 01 32 42.72 +30 12 25.5           ~ 5 0
16 [MCM2000] PN 5 PN? 01 32 44.04 +30 22 04.5           ~ 5 0
17 [CDL2004] 11 PN 01 32 55.04 +30 09 52.9           ~ 6 0
18 [CDL2004] 12 PN 01 32 55.11 +30 14 01.5           ~ 3 0
19 [CDL2004] 14 PN? 01 32 59.40 +30 10 23.9           ~ 4 0
20 [CDL2004] 15 PN 01 33 01.25 +30 15 31.1           ~ 5 0
21 [GCM2018] E1 EmO 01 33 02.82 +30 03 15.5           ~ 1 0
22 [CDL2004] 22 PN 01 33 08.99 +30 13 58.6           ~ 5 0
23 [MCM2000] Em 24 GlC 01 33 10.7768616072 +30 18 08.483744808 17.67 18.847 18.767 18.39 18.786 ~ 9 0
24 [GCM2018] 8 PN? 01 33 11.22 +30 18 28.8           ~ 1 0
25 [GCM2018] 4 PN? 01 33 11.37 +30 21 12.6           ~ 1 0
26 [GCM2018] 6 PN? 01 33 11.52 +31 05 49.2           ~ 1 0
27 [MCM2000] PN 23 PN? 01 33 13.58 +30 22 36.3           ~ 5 0
28 [GCM2018] E9 EmO 01 33 14.80 +30 10 39.4           ~ 1 0
29 [CDL2004] 25 PN 01 33 15.50 +30 17 53.7           ~ 6 0
30 [CDL2004] 28 PN 01 33 18.48 +30 12 38.8           ~ 5 0
31 [CDL2004] 31 PN? 01 33 21.13 +31 06 43.9           ~ 4 0
32 [CDL2004] 34 PN 01 33 22.85 +30 13 41.0           ~ 5 0
33 [GCM2018] E10 EmO 01 33 25.78 +31 04 51.6           ~ 1 0
34 [CDL2004] 42 PN 01 33 27.89 +31 06 22.3           ~ 3 0
35 [MCM2000] PN 55 PN? 01 33 41.88 +30 08 31.3           ~ 4 0
36 [CDL2004] 58 PN 01 33 43.48 +30 59 41.1           ~ 5 0
37 [CDL2004] 60 PN 01 33 44.38 +30 20 23.7           ~ 7 0
38 [CDL2004] 61 PN 01 33 44.62 +31 04 03.5           ~ 3 0
39 [GCM2018] 2 PN 01 33 45.18 +30 21 21.4           ~ 1 0
40 [CDL2004] 66 PN 01 33 46.73 +30 17 33.5           ~ 7 0
41 [CDL2004] 71 PN 01 33 50.02 +30 14 25.2           ~ 6 0
42 [CDL2004] 72 PN 01 33 50.82 +30 18 43.8           ~ 5 0
43 M 33 GiG 01 33 50.8965749232 +30 39 36.630403128 6.17 6.27 5.72     ~ 5544 1
44 [GCM2018] 3 PN 01 33 52.30 +30 21 12.2           ~ 1 0
45 [CDL2004] 75 PN? 01 33 52.68 +30 16 54.1           ~ 5 0
46 [CDL2004] 80 PN? 01 33 55.57 +30 16 02.8           ~ 5 0
47 [MCM2000] PN 78 PN? 01 34 02.59 +30 58 10.2           ~ 5 0
48 [CDL2004] 97 PN? 01 34 05.54 +31 12 30.1           ~ 2 0
49 [CDL2004] 100 PN 01 34 06.76 +31 00 29.3           ~ 5 0
50 [GCM2018] E7 EmO 01 34 09.30 +29 37 10.3           ~ 1 0
51 [CDL2004] 104 PN? 01 34 11.72 +31 07 31.3           ~ 4 0
52 [CDL2004] 114 PN? 01 34 15.71 +31 08 12.5           ~ 5 0
53 [GCM2018] 7 PN? 01 34 18.25 +30 58 27.2           ~ 1 0
54 [CDL2004] 117 PN 01 34 18.54 +30 58 30.5           ~ 5 0
55 [CDL2004] 120 PN? 01 34 20.50 +31 10 52.0           ~ 2 0
56 [CDL2004] 122 PN? 01 34 22.96 +30 59 32.9           ~ 4 0
57 [CDL2004] 129 PN? 01 34 25.80 +31 07 44.7           ~ 4 0
58 [CDL2004] 133 PN? 01 34 31.45 +31 05 24.0           ~ 5 0
59 [CDL2004] 134 PN? 01 34 31.50 +31 06 51.4           ~ 4 0
60 [CDL2004] 141 PN? 01 34 41.96 +30 56 49.6           ~ 4 0
61 [MCM2000] Em 59 EmO 01 34 42.53 +30 55 44.5 19.614 20.734 20.389 19.188 19.604 ~ 7 0
62 [CDL2004] 142 PN? 01 34 43.56 +31 06 10.7           ~ 4 0
63 [CDL2004] 144 PN? 01 34 45.50 +31 01 11.7           ~ 2 0
64 [MCM2000] PN 127 PN? 01 34 47.13 +30 59 36.9           ~ 5 0
65 [MCM2000] PN 128 PN? 01 34 48.86 +31 05 14.8           ~ 5 0
66 [CDL2004] 147 PN? 01 34 58.18 +31 06 47.5           ~ 2 0
67 [CDL2004] 148 PN? 01 35 04.92 +30 58 42.1           ~ 2 0
68 [CDL2004] 151 PN? 01 35 10.50 +31 05 14.9           ~ 2 0
69 [CDL2004] 152 PN? 01 35 13.63 +31 00 48.7           ~ 2 0
70 BD+12 237 * 01 49 09.4876255128 +13 33 11.799646344   10.38 10.19     sdA0IVHe1 82 0
71 HD 19445 PM* 03 08 25.5883873084 +26 19 51.400965175 8.29 8.52 8.06 7.60 7.27 G2VFe-3 756 0

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2022.10.07-01:37:34

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