2002ApJ...573..270T


C.D.S. - SIMBAD4 rel 1.7 - 2021.04.16CEST13:28:57

2002ApJ...573..270T - Astrophys. J., 573, 270-274 (2002/July-1)

Deep near-infrared observations of the x-ray-emitting class 0 protostar candidates in the Orion molecular cloud 3.

TSUJIMOTO M., KOYAMA K., TSUBOI Y., CHARTAS G., GOTO M., KOBAYASHI N., TERADA H. and TOKUNAGA A.T.

Abstract (from CDS):

We obtained near-infrared (NIR) imaging with the Subaru Telescope of the class 0 protostar candidates in the Orion molecular cloud 3, two of which were discovered to have X-ray emission by the Chandra X-Ray Observatory . We found strong evidence for the class 0 nature of the X-ray sources. First, our deep K-band image shows no emission brighter than 19.6 mag from both of these X-ray sources. Since class I protostars or class II T Tauri stars should be easily detected in the NIR with this sensitivity, the lack of K-band detection suggests that they are likely much more obscured than class I protostars. Second, our H2v=1-0S(1) image shows a bubble-like feature from one of the X-ray class 0 protostar candidates, which reinforces the idea that this is a class 0 protostar. We also discuss the nature of nine NIR sources found in our deep image based on their colors, spatial coincidence with millimeter cores, and the properties of their X-ray counterparts.

Abstract Copyright:

Journal keyword(s): Infrared: Stars - ISM: Individual: Alphanumeric: OMC-3 - stars: pre-main sequence - X-Rays: Stars

Nomenclature: Table 1: [TKT2002b] IRS N (Nos 1-9).

CDS comments: TKH 8a, c are [TKH2001] a and c in SIMBAD.

Simbad objects: 36

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Number of rows : 36

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 IRAS 03222+3034 Y*O 03 25 22.32 +30 45 13.9           ~ 128 0
2 IRAS F03226+3033 Y*O 03 25 38.83 +30 44 06.2           ~ 314 0
3 [SDA2014] West4 Y*O 03 25 38.83 +30 44 06.2           ~ 244 1
4 ESO-HA 1152 Em* 05 35 15.2619631039 -05 00 33.434515788     17.96   15.00 ~ 9 0
5 2MASS J05351545-0501124 Y*O 05 35 15.4638431236 -05 01 12.545663611     19.75   16.36 ~ 11 0
6 2MASS J05351582-0500362 Y*O 05 35 15.8340113629 -05 00 36.268825674   14.6 13.6     ~ 10 0
7 V* V2282 Ori Or* 05 35 16.15536 -05 00 02.5848           ~ 20 0
8 V* V2305 Ori Or* 05 35 17.40936 -04 59 57.0336           ~ 9 0
9 2MASS J05351772-0500309 Y*O 05 35 17.73 -05 00 31.0           ~ 8 0
10 [TSO2008] 9 mm 05 35 18.030 -05 00 17.77           ~ 17 0
11 [TKT2002b] IRS 3 IR 05 35 18.275 -05 00 33.93           ~ 3 1
12 [TUK93] 3 Y*O 05 35 18.32712 -05 00 32.9400           ~ 58 2
13 [TKH2001] c IR 05 35 18.340 -05 00 33.01           ~ 3 1
14 [TKH2001] a X 05 35 18.37 -05 00 31.9           ~ 2 0
15 [TKH2001] b X 05 35 18.45 -05 00 33.4           ~ 2 0
16 HOPS 91 Y*O 05 35 18.98 -05 00 51.6           ~ 30 0
17 2MASS J05351997-0501024 Y*O 05 35 19.97 -05 01 02.5           ~ 29 0
18 OMC 3 MoC 05 35 20.0 -05 01 00           ~ 234 1
19 HOY J053521.34-051319.5 cor 05 35 21.4 -05 13 14           ~ 26 0
20 V* V415 Ori Or* 05 35 21.8787923529 -05 07 01.839578555     14.49   12.64 ~ 44 0
21 [TSO2008] 13 Y*O 05 35 22.4451 -05 01 14.123           ~ 46 1
22 [MWZ90] OMC-2 FIR 6 IR 05 35 22.6 -05 12 37           ~ 19 0
23 [TSO2008] 34 IR 05 35 23.4 -05 12 36           ~ 11 0
24 [TSO2008] 23 IR 05 35 23.4 -05 07 32           ~ 14 0
25 2MASS J05352341-0512023 Y*O 05 35 23.417 -05 12 02.34           ~ 25 0
26 [TSO2008] 14 mm 05 35 23.420 -05 01 30.35           ~ 60 0
27 [SMD2014] 083.8513-05.1419 Y*O 05 35 24.2999 -05 08 30.686           ~ 50 0
28 [TSO2008] 24 Y*? 05 35 24.6 -05 07 53           ~ 24 0
29 NAME OMC-2 IRS 3 HII 05 35 26.00 -05 10 16.6           ~ 63 0
30 [TSO2008] 18 mm 05 35 26.0 -05 05 42           ~ 39 1
31 JCMTSF J053526.4-050521 mm 05 35 26.5 -05 05 17           ~ 24 1
32 IRAS 05329-0505 Y*O 05 35 26.746 -05 03 55.08           ~ 73 0
33 V* V2457 Ori Or* 05 35 26.97000 -05 09 54.4644         18.858 ~ 125 0
34 OMC 2 MoC 05 35 27 -05 10.1           ~ 404 1
35 2MASS J05352762-0509337 Y*O 05 35 27.622 -05 09 33.78           ~ 75 0
36 [CRW97] OMC-3 MMS 10 cor 05 35 31.91 -05 05 51.1           ~ 28 0

    Equat.    Gal    SGal    Ecl

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2021.04.16-13:28:57

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