2012A&A...547A..78P

Query : 2012A&A...547A..78P

2012A&A...547A..78P - Astronomy and Astrophysics, volume 547A78-78 (2012/11-1)

A catalog of planetary nebula candidates in the Sculptor spiral galaxy NGC 300.

PENA M., REYES-PEREZ J., HERNANDEZ-MARTINEZ L. and PEREZ-GUILLEN M.

Abstract (from CDS):

[OIII]5007Å on-band and off-band images, obtained with the Very Large Telescope (VLT) and FORS2 spectrograph in two zones (center and outskirts) of the spiral galaxy NGC300, are analyzed searching for emission line objects. In particular we search for planetary nebula (PN) candidates to analyze their distribution and luminosity properties, to perform follow-up spectroscopy, and to study the planetary nebula luminosity function, PNLF. In the continuum-subtracted images, a large number of emission line objects were detected. From this sample we selected those objects with stellar appearance and no detectable central star as PN candidates. [OIII]5007Å instrumental magnitudes were measured and calibrated by using spectrophotometric data from the follow-up spectroscopy. We have identified more than a hundred PN candidates and many compact HII regions. The PN sample is the largest one reported for this galaxy so far. For all the objects we present coordinates, instrumental [OIII]5007 magnitudes, and apparent nebular [OIII]5007 fluxes and magnitudes. The [OIII]5007 observed luminosity function for PNe (PNLF) was calculated for the whole sample and for the central and outskirts samples. The three PNLF are similar within uncertainties. We fit the empirical PNLF to the observed PNLF for all the samples. From our best fit for the whole sample, we derived a maximum value for the apparent magnitudes of m*5007=22.019±0.022 and obtained a tentative estimate of the distance modulus m5007-M5007=26.29+0.12–0.22mag, which agrees well with the recent value derived from Cepheid stars.

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Journal keyword(s): galaxies: individual: NGC 300 - planetary nebulae: general - HII regions - galaxies: distances and redshifts

VizieR on-line data: <Available at CDS (J/A+A/547/A78): table2.dat>

Nomenclature: Table 2: [PRH2012] NNN (Nos 1-112).

Status at CDS : All or part of tables of objects could be ingested in SIMBAD with priority 2.

Simbad objects: 33

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Number of rows : 33
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 WG 2 WD* 00 50 03.6496829856 -52 08 15.516264516 13.354 14.157 14.206 14.31 14.428 DA2.7 92 0
2 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
3 [BGK2009] 9 HII 00 54 35.48 -37 39 38.4           ~ 11 0
4 [DCL88] 38 HII 00 54 35.97 -37 39 50.3           ~ 5 0
5 [MAC2021] 374 PN 00 54 41.77 -37 40 21.3           ~ 3 0
6 [SMJ96] PN 15 PN 00 54 41.8 -37 40 40           ~ 2 0
7 [PRH2012] 22 PN 00 54 42.2386 -37 40 04.822           ~ 4 0
8 [PRH2012] 24 PN 00 54 43.70 -37 41 51.3           ~ 3 0
9 [MAC2021] 243 PN 00 54 44.42 -37 41 29.4           ~ 3 0
10 [SMJ96] PN 17 PN 00 54 44.9 -37 40 26           ~ 2 0
11 [SMJ96] PN 22 PN 00 54 45.6 -37 41 29           ~ 2 0
12 [SMJ96] PN 23 PN 00 54 48.0 -37 40 47           ~ 2 0
13 [SMJ96] PN 4 PN 00 54 51.1 -37 41 44           ~ 2 0
14 [SMJ96] PN 14 PN 00 54 53.1 -37 40 52           ~ 2 0
15 NGC 300 GiG 00 54 53.4465638304 -37 41 03.168402396 8.83 8.69 8.13 7.46   ~ 1614 2
16 [MAC2021] 389 PN 00 54 54.9510 -37 41 32.876           ~ 4 0
17 [MAC2021] 403 PN 00 54 55.3444 -37 41 28.337           ~ 4 0
18 [DCL88] 101 HII 00 54 57.63 -37 40 59.9           ~ 4 0
19 [SMJ96] PN 11 PN 00 54 58.1 -37 41 08           ~ 2 0
20 [SMJ96] PN 10 PN 00 54 58.3 -37 41 14           ~ 2 0
21 [SMJ96] PN 13 PN 00 54 58.4 -37 41 12           ~ 2 0
22 [MAC2021] 565 PN 00 54 58.4086 -37 40 44.291           ~ 4 0
23 [SMJ96] PN 18 PN 00 54 59.5 -37 40 59           ~ 2 0
24 [PRH2012] 65 PN 00 55 01.71 -37 40 29.4           ~ 3 0
25 [SMJ96] PN 21 PN 00 55 03.1 -37 42 06           ~ 2 0
26 [SMJ96] PN 25 PN 00 55 03.7 -37 40 40           ~ 2 0
27 [MAC2021] 622 PN 00 55 04.2510 -37 40 52.201           ~ 4 0
28 [SMJ96] PN 19 PN 00 55 04.8 -37 40 44           ~ 2 0
29 NAME Scl Group GrG 01 00 06 -33 44.2           ~ 526 0
30 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
31 CD-38 10980 WD* 16 23 33.8380498896 -39 13 46.161043572 9.916 10.885 11.029 10.936 10.841 DA2 526 0
32 NGC 6822 G 19 44 56.199 -14 47 51.29   18 8.1     ~ 1661 0
33 LAWD 87 WD* 21 32 16.2327040616 +00 15 14.399267982 13.717 14.634 14.674 14.675 14.676 DB4 195 1

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