1999AJ....118.1347Z


Query : 1999AJ....118.1347Z

1999AJ....118.1347Z - Astron. J., 118, 1347-1353 (1999/September-0)

Newly discovered Herbig-Haro objects in the NGC 2068 and NGC 2071 regions.

ZHAO B., WANG M., YANG J., WANG H., DENG L., YAN J. and CHEN J.

Abstract (from CDS):

Taking the advantage of the large field of view at the 60/90 cm Schmidt telescope of Beijing Astronomical Observatory, we were able to carry out a wide-field survey of Herbig-Haro (HH) objects in nearby star-forming regions, including Perseus, Taurus, Orion, and others. In a 58'x58' field centered on NGC 2068 and NGC 2071 (M78), two active regions of star formation in the giant molecular cloud complex L1630, we found 17 HH objects exhibiting prominent [S II] emission but without continuum emission. Among these, we confirmed all the 11 known HH objects listed in the General Catalogue of Herbig-Haro Objects in this field. In addition, we discovered another six new HH objects, including HH 437, 438A-C, 440A/B, 442, 443, and 452A/B. These objects exhibit a variety of morphological structures, from knot to nebula. The discovery of these HH objects demonstrates strong activity of young stellar objects in the region we are studying. The large-scale spatial distribution of HH objects in the region is discussed by combination of our results and previous data.

Abstract Copyright:

Journal keyword(s): ISM: Herbig-Haro objects - ISM: individual (NGC 2068, NGC 2071) - ISM: Jets and Outflows - Stars: Formation - Stars: Pre-Main-Sequence

Nomenclature: Table 2: HH NNN (Nos 437-438, 440, 442-443, 452).

Simbad objects: 34

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Number of rows : 34
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 NAME Horsehead Nebula DNe 05 40 59.0 -02 27 30           ~ 466 0
2 LDN 1630 DNe 05 45.5 -00 59           ~ 364 0
3 HH 19 HH 05 45 49.6 -00 05 12           ~ 27 0
4 HH 20 HH 05 45 55.10 -00 03 04.1           ~ 14 0
5 HH 37 HH 05 45 55.8 -00 05 32           ~ 8 0
6 HH 21 HH 05 45 56 -00 04.5           ~ 16 0
7 HH 70 HH 05 46 02.3 -00 05 36           ~ 8 0
8 HH 26 HH 05 46 05.1 -00 14 17           ~ 95 1
9 HH 25 HH 05 46 06 -00 13.4           ~ 72 0
10 HH 24 HH 05 46 09 -00 10.2           ~ 155 1
11 HH 22 HH 05 46 14.2 -00 05 31           ~ 29 0
12 HH 23 HH 05 46 14.52 -00 03 30.8           ~ 25 0
13 HH 27 HH 05 46 22.9 -00 13 40           ~ 30 0
14 HH 440A HH 05 46 36.3 +00 26 24           ~ 1 0
15 IRAS 05441+0028 FIR 05 46 41.0 +00 29 38           ~ 2 0
16 HH 440B HH 05 46 42.27 +00 25 39.8           ~ 1 0
17 HD 290862 * 05 46 43.3859276192 +00 04 36.043680967 10.93 11.04 10.41 10.24   B3/5 61 1
18 HD 38563 ** 05 46 44.658 +00 05 22.78 12.02 11.79 10.81 10.25   B2II-III 40 1
19 M 78 RNe 05 46 45.8 +00 04 45   8.0       ~ 356 0
20 IRAS 05443+0007 MIR 05 46 51.15288 +00 08 56.0688           ~ 5 0
21 IRAS 05443+0018 IR 05 46 56.3 +00 19 46           ~ 3 0
22 HH 437 HH 05 47 05.68 +00 21 49.6           ~ 3 0
23 HH 438A HH 05 47 07.42 +00 11 47.1           ~ 1 0
24 IRAS 05445+0016 IR 05 47 07.8 +00 17 46           ~ 14 0
25 V* V1380 Ori EB* 05 47 07.90823 +00 17 56.2129   10.92 9.98     F8 44 1
26 HH 442 HH 05 47 09.14 +00 01 16.9           ~ 1 0
27 NGC 2071 RNe 05 47 10 +00 18.0           ~ 621 1
28 HH 438B HH 05 47 10.94 +00 11 06.8           ~ 1 0
29 HH 438C HH 05 47 12.09 +00 11 04.2           ~ 1 0
30 EM* LkHA 314 TT* 05 47 14.1134209082 +00 09 07.305775862   14.90 13.8     Ke 23 0
31 HH 443 HH 05 47 35.51 +00 32 35.9           ~ 1 0
32 IRAS 05453+0016 FIR 05 47 55.2 +00 17 45           ~ 2 0
33 HH 452B HH 05 48 04.41 +00 19 15.0           ~ 1 0
34 HH 452A HH 05 48 07.23 +00 18 57.1           ~ 1 0

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2021.10.27-06:56:41

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