2016A&A...587A.153M


Query : 2016A&A...587A.153M

2016A&A...587A.153M - Astronomy and Astrophysics, volume 587A, 153-153 (2016/3-1)

VISION - Vienna survey in Orion. I. VISTA Orion A Survey.

MEINGAST S., ALVES J., MARDONES D., TEIXEIRA P.S., LOMBARDI M., GROSSCHEDL J., ASCENSO J., BOUY H., FORBRICH J., GOODMAN A., HACAR A., HASENBERGER B., KAINULAINEN J., KUBIAK K., LADA C., LADA E., MOITINHO A., PETR-GOTZENS M., RODRIGUES L. and ROMAN-ZUNIGA C.G.

Abstract (from CDS):

Orion A hosts the nearest massive star factory, thus offering a unique opportunity to resolve the processes connected with the formation of both low- and high-mass stars. Here we present the most detailed and sensitive near-infrared (NIR) observations of the entire molecular cloud to date. With the unique combination of high image quality, survey coverage, and sensitivity, our NIR survey of Orion A aims at establishing a solid empirical foundation for further studies of this important cloud. In this first paper we present the observations, data reduction, and source catalog generation. To demonstrate the data quality, we present a first application of our catalog to estimate the number of stars currently forming inside Orion A and to verify the existence of a more evolved young foreground population. We used the European Southern Observatory's (ESO) Visible and Infrared Survey Telescope for Astronomy (VISTA) to survey the entire Orion A molecular cloud in the NIR J, H, and KS bands, covering a total of ∼18.3 deg2. We implemented all data reduction recipes independently of the ESO pipeline. Estimates of the young populations toward Orion A are derived via the KS-band luminosity function. Our catalog (799995 sources) increases the source counts compared to the Two Micron All Sky Survey by about an order of magnitude. The 90% completeness limits are 20.4, 19.9, and 19.0mag in J, H, and KS, respectively. The reduced images have 20% better resolution on average compared to pipeline products. We find between 2300 and 3000 embedded objects in Orion A and confirm that there is an extended foreground population above the Galactic field, in agreement with previous work. The Orion A VISTA catalog represents the most detailed NIR view of the nearest massive star-forming region and provides a fundamental basis for future studies of star formation processes toward Orion.

Abstract Copyright:

Journal keyword(s): techniques: image processing - methods: data analysis - stars: formation - stars: pre-main sequence

VizieR on-line data: <Available at CDS (J/A+A/587/A153): science.dat control.dat yso.dat galaxy.dat>

Nomenclature: VISION JHHMMSSss+DDMMSSs N=799995+93909. Fig. 13, Table B.2: [MAM2016] ClusterNN (Nos 01-10).

Simbad objects: 44

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Number of rows : 44
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2023
#notes
1 [MAM2016] Cluster10 C?G 05 30 28.000 -04 14 42.00           ~ 1 0
2 2MASS J05305129-0410322 Y*? 05 30 51.29616 -04 10 32.2140           ~ 3 0
3 2MASS J05305156-0410349 Y*O 05 30 51.56088 -04 10 34.9356           ~ 3 0
4 [MAM2016] Cluster09 C?G 05 31 08.000 -05 30 48.00           ~ 1 0
5 IRAS 05289-0430 Y*O 05 31 27.1038134712 -04 27 59.574965436     16.7     ~ 10 0
6 ESO-HA 722 Y*O 05 31 51.7166750808 -05 23 08.255246424     18.79     ~ 8 0
7 [MAM2016] Cluster08 C?G 05 32 06.000 -06 05 21.00           ~ 1 0
8 2MASS J05324163-0536114 Y*O 05 32 41.64 -05 36 11.5           ~ 4 0
9 2MASS J05324165-0535460 Y*O 05 32 41.65344 -05 35 46.0860           ~ 6 0
10 NAME Orion Nebula Cluster OpC 05 35.0 -05 29           ~ 2206 1
11 BD-06 1235 Y*O 05 35 04.1530595472 -06 17 07.355407488 10.49 10.39 9.81 9.51   F8.0 16 0
12 HH 323 HH 05 35 12.9 -06 17 42           ~ 3 0
13 HH 322 HH 05 35 13.1 -06 19 51           ~ 5 0
14 NAME Orion-KL SFR 05 35 14.16 -05 22 21.5           ~ 2206 1
15 NGC 1980 OpC 05 35 14 -05 55.4     2.5     ~ 102 0
16 NGC 1977 OpC 05 35 16.0 -04 49 15           ~ 216 0
17 NAME Ori Trapezium OpC 05 35 16.5 -05 23 14           ~ 1568 1
18 M 42 OpC 05 35 17 -05 23.4           ~ 3970 0
19 OMC 3 MoC 05 35 20.0 -05 01 00           ~ 257 1
20 NGC 1981 OpC 05 35 24 -04 29.2     4.2     ~ 81 0
21 OMC 2 MoC 05 35 27 -05 10.1           ~ 434 1
22 HH 34 HH 05 35 31.30 -06 28 43.0     16     ~ 479 2
23 NAME LDN 1641 North HII 05 36 17.6 -06 22 10           ~ 231 0
24 NAME HH 1-2 HH 05 36 22.8 -06 46 03           ~ 208 1
25 BD-06 1253 Ae* 05 36 25.4320468080 -06 42 57.684730284   11.65 10.9 10.29   A1e 425 1
26 NAME Ori A MoC 05 38 -07.1           ~ 2896 0
27 V* V883 Ori Or* 05 38 18.1018261392 -07 02 26.017707120           F:I: 187 0
28 NAME LDN 1641 Center DNe 05 38 46.4 -07 01 05           ~ 54 0
29 LDN 1641 MoC 05 39.0 -07 00           ~ 466 0
30 [MAM2016] Cluster04 C?G 05 39 46.000 -08 47 38.00           ~ 1 0
31 [MAM2016] Cluster07 C?G 05 40 25.000 -05 59 36.00           ~ 1 0
32 NAME LDN 1641 South DNe 05 40 27.6 -07 27 28           ~ 56 1
33 [MAM2016] Cluster01 C?G 05 40 44.000 -09 57 56.00           ~ 1 0
34 NAME Ori B MoC 05 41 43.0 -01 54 44           ~ 1301 0
35 NGC 2024 Cl* 05 41 43 -01 50.5           ~ 1123 1
36 [MAM2016] Cluster03 C?G 05 41 51.000 -09 06 33.00           ~ 1 0
37 UCAC4 405-010152 * 05 41 55.5347635824 -09 11 50.418764484   17.04 15.00 14.33   ~ 1 0
38 LDN 1647 DNe 05 42.4 -09 58           ~ 33 0
39 [MAM2016] Cluster06 C?G 05 42 36.000 -06 59 34.00           ~ 1 0
40 BD-09 1215 * 05 43 53.8369133592 -09 01 59.551073436   10.44 9.97 9.74   F6.0 3 0
41 [MAM2016] Cluster05 C?G 05 44 53.000 -08 03 58.00           ~ 1 0
42 M 78 RNe 05 46 45.8 +00 04 45   8.0       ~ 366 0
43 [MAM2016] Cluster02 C?G 05 47 05.000 -08 55 17.00           ~ 1 0
44 NGC 2071 RNe 05 47 10 +00 18.0           ~ 630 1

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2023.01.29-17:33:41

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