2002ApJ...575..354G

Query : 2002ApJ...575..354G

2002ApJ...575..354G - Astrophys. J., 575, 354-377 (2002/August-2)

Chandra study of young stellar objects in the NGC 1333 star-forming cloud.

GETMAN K.V., FEIGELSON E.D., TOWNSLEY L., BALLY J., LADA C.J. and REIPURTH B.

Abstract (from CDS):

NGC 1333, a highly active star formation region within the Perseus molecular cloud complex, has been observed with the ACIS-I detector on board the Chandra X-Ray Observatory. In our image with a sensitivity limit of ∼1028 ergs.s–1, we detect 127 X-ray sources, most with subarcsecond positional accuracy. While 32 of these sources appear to be foreground stars and extragalactic background, 95 X-ray sources are identified with known cluster members. The X-ray luminosity function of the discovered young stellar object (YSO) population spans a range of logLX≃28.0-31.5 ergs.s–1 in the 0.5-8 keV band, and absorption ranges from logNH≃20 to 23 cm–2. Most of the sources have plasma energies between 0.6 and 3 keV, but a few sources show higher energies up to ∼7 keV. Comparison with K-band source counts indicates that we detect all of the known cluster members with K<12 and about half of the members with K>12. K≃11, the peak of the K-band luminosity function, corresponds to 0.2-0.4 M☉ stars for a cluster age of ∼1 Myr. We detect seven of the 20 known YSOs in NGC 1333 producing jets or molecular outflows as well as one deeply embedded object without outflows. No evident difference in X-ray emission of young stars with and without outflows is found. Based on the complete subsample of T Tauri stars, we also find no difference in X-ray properties and X-ray production mechanism of stars with and without K-band excess disks. Several other results are obtained. We suggest that the X-ray emission from two late B stars that illuminate the reflection nebula originates from unresolved late-type companions. Two T Tauri stars are discovered in the ACIS images as previously unknown components of visual binaries. A good correlation LX∝J is seen, which confirms the well-known relation LX∝Lbol found in many star-forming regions. Based on spectral analysis for the X-ray counterpart of SVS 16, we establish that the column density NH is much lower than that expected from near-IR photometry so that its X-ray luminosity, logLX≃30.6 ergs.s–1, is not unusually high.

Abstract Copyright: ∼

Journal keyword(s): Galaxy: Open Clusters and Associations: Individual: NGC Number: NGC 1333 - Stars: Early-Type - Stars: Pre-Main-Sequence - X-Rays: Stars

VizieR on-line data: <Available at CDS (J/ApJ/575/354): table1.dat notes.dat table2.dat>

Nomenclature: Table 1, col(1): [GFT2002] NNN (Nos 1-109) = Table 1, col(2): CXONGC1333 JHHMMSS.s+DDMMSS N=109.

Simbad objects: 158

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Number of rows : 158
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 2MASS J03270047+3137259 NIR 03 27 00.5010468888 +31 37 25.669139052           ~ 2 0
2 CXONGC1333 J032829.4+312508 X 03 28 29.47 +31 25 08.1           ~ 1 0
3 HH 339 HH 03 28 30.9 +31 14 46           ~ 8 1
4 [GFT2002] 2 X 03 28 31.96 +31 21 21.3           ~ 2 0
5 CXONGC1333 J032835.0+312112 X 03 28 35.04 +31 21 12.5           ~ 2 0
6 2MASS J03283651+3119289 Y*O 03 28 36.5208615835 +31 19 28.959054081           M4.0 19 0
7 NAME [BM89] L1450D DNe 03 28 36.8 +31 15 20           ~ 51 0
8 2MASS J03283692+3117353 Or* 03 28 36.9313737936 +31 17 35.394659628           M0.0 13 0
9 2MASS J03283695+3123121 Y*O 03 28 36.9468554088 +31 23 12.057272160           M1.0 10 0
10 CXONGC1333 J032837.1+311954 X 03 28 37.19 +31 19 54.9           ~ 1 0
11 [GFT2002] 8 Y*? 03 28 37.857 +31 25 25.30           ~ 4 0
12 2MASS J03284325+3117330 Y*O 03 28 43.2624763920 +31 17 33.138111588     17.78 16.45 15.07 K7.0 58 1
13 2MASS J03284355+3117364 Y*O 03 28 43.5578149047 +31 17 36.484222805     19.66 17.87 15.28 M5.0 40 1
14 2MASS J03284407+3120528 Y*O 03 28 44.0787175584 +31 20 52.824640200           M7.5 23 0
15 [GFT2002] 12 X 03 28 45.40 +31 20 50.9           ~ 2 0
16 [GFT2002] 13 X 03 28 45.47 +31 22 28.0           ~ 2 0
17 EM* LkHA 351 Y*O 03 28 46.1912591184 +31 16 38.570613600           M3.0 33 0
18 2MASS J03284764+3124061 Y*O 03 28 47.6388577008 +31 24 06.091635168           M4.0 24 0
19 2MASS J03284782+3116552 Y*O 03 28 47.8278036552 +31 16 55.188633828           M8.0 35 0
20 [GFT2002] 17 X 03 28 50.37 +31 27 55.2           ~ 2 0
21 2MASS J03285097+3123479 Y*O 03 28 50.9743034280 +31 23 47.768267904           M4.0 12 0
22 2MASS J03285101+3118184 Or* 03 28 51.0207820727 +31 18 18.523426244           M4.5 49 0
23 2MASS J03285105+3116324 Y*O 03 28 51.0662927448 +31 16 32.503719144           M4.0 32 0
24 ATO J052.2133+31.3318 Y*O 03 28 51.1931459388 +31 19 54.821949927           K7.0 40 0
25 HH 334 HH 03 28 51.7 +31 22 38           ~ 8 0
26 2MASS J03285213+3115471 Y*O 03 28 52.1389654200 +31 15 47.212652304           M7.0 30 0
27 2MASS J03285216+3122453 Or* 03 28 52.1643824544 +31 22 45.296467464           M2.5 32 0
28 HH 498 HH 03 28 52.2 +31 22 45           ~ 5 0
29 [GFT2002] 24 X 03 28 53.58 +31 15 38.0           ~ 2 0
30 [JCC87] IRAS 2C IR 03 28 53.90 +31 14 53.5           ~ 14 0
31 2MASS J03285392+3118092 Y*O 03 28 53.92752 +31 18 09.2808           K7.0 34 0
32 ASR 42 Y*O 03 28 54.0810046752 +31 16 54.335516196       18.6   M6.5V 34 0
33 2MASS J03285461+3116512 Y*O 03 28 54.6195638064 +31 16 51.237210540       18.5   M1.0 37 0
34 2MASS J03285505+3116287 Y*O 03 28 55.0668013800 +31 16 28.839735984       19.7   M3.0 27 0
35 [JCC87] IRAS 2A Y*O 03 28 55.55 +31 14 36.7           ~ 459 3
36 [GFT2002] 29 X 03 28 56.54 +31 22 40.7           ~ 2 0
37 2MASS J03285663+3118356 Y*O 03 28 56.6379056568 +31 18 35.598810888           M1.5 53 0
38 [GFT2002] 31 X 03 28 56.81 +31 18 11.2           ~ 2 0
39 2MASS J03285694+3116222 Y*O 03 28 56.9552105184 +31 16 22.342093896       18.2   M2.5 41 0
40 BD+30 547 Y*O 03 28 57.2114503248 +31 14 19.076151444   10.73 9.98 9.1   G4V 108 1
41 2MASS J03285741+3119505 Or* 03 28 57.4148073840 +31 19 50.439240264           M4.0 20 0
42 2MASS J03285769+3119481 Y*O 03 28 57.6951247200 +31 19 48.025172892           M3.5 22 0
43 2MASS J03285809+3118038 Y*O 03 28 58.1013227063 +31 18 03.753023299     17.8     M0.5 42 0
44 CXONGC1333 J032858.2+312541 X 03 28 58.25 +31 25 41.4           ~ 1 0
45 2MASS J03285842+3122175 Y*O 03 28 58.420 +31 22 17.54           ~ 38 0
46 ASR 106 Y*O 03 28 59.30640 +31 15 48.5172           K2.0 56 0
47 [GFT2002] 40 X 03 28 59.31 +31 26 40.1           ~ 2 0
48 HH 12 HH 03 28 59.4 +31 20 11           ~ 119 1
49 EM* LkHA 353 Or* 03 28 59.5499346456 +31 21 46.711115676           M3.1 35 0
50 MBO 78 LM* 03 29 00.153 +31 21 09.21           M5 11 0
51 ASR 51 Y*O 03 29 00.3122342640 +31 13 38.597433600           M2.5V 29 0
52 MBO 45 Y*O 03 29 00.3749821224 +31 20 45.630367296           M6.5V 15 0
53 2MASS J03290069+3122008 Y*O 03 29 00.69648 +31 22 00.8256           M1.5 10 0
54 CXONGC1333 J032901.3+311413 X 03 29 01.36 +31 14 13.2           ~ 1 0
55 HH 344 HH 03 29 01.7 +31 13 16           ~ 8 0
56 NAME HH 7-11 MMS 3 smm 03 29 01.964 +31 15 38.04           ~ 64 0
57 ASR 3 Y*O 03 29 02.1578803464 +31 16 11.433429732           M4V 16 0
58 CXONGC1333 J032903.0+311516 Y*O 03 29 02.89 +31 15 16.5           ~ 5 0
59 ASR 2 Y*O 03 29 02.8902198504 +31 16 00.953186124           M2.5V 23 0
60 NAME HH 7-11 MMS 2 smm 03 29 03.056 +31 15 51.67           ~ 86 0
61 2MASS J03290313+3122381 Y*O 03 29 03.1361451264 +31 22 38.079631200           M2.5 25 0
62 [RAC97] VLA 3 smm 03 29 03.372 +31 16 01.60           ~ 38 0
63 ASR 132 IR 03 29 03.48 +31 16 18.2           ~ 3 0
64 V* V512 Per Or* 03 29 03.7578170808 +31 16 03.947525688           M3.5 386 0
65 2MASS J03290386+3121487 Or* 03 29 03.8590044645 +31 21 48.679245240     17.0     K6.0 41 0
66 NAME HH 7-11 FIR 03 29 03.9 +31 16 06           ~ 351 0
67 [SDA2014] West40 Y*O 03 29 04.06 +31 14 46.5           ~ 61 0
68 ASR 8 Y*O 03 29 04.0661395248 +31 17 07.513413504           M7 23 0
69 MBO 20 Y*O 03 29 04.1651391144 +31 25 15.072714768           M2.0 12 0
70 2MASS J03290421+3116080 Y*O 03 29 04.21 +31 16 08.0           ~ 16 0
71 CXONGC1333 J032904.3+312624 X 03 29 04.35 +31 26 24.3           ~ 1 0
72 2MASS J03290472+3111348 Y*O 03 29 04.729 +31 11 34.90           ~ 17 0
73 2MASS J03290493+3120385 Y*O 03 29 04.936 +31 20 38.55           ~ 14 0
74 ASR 7 Y*O 03 29 05.75376 +31 16 39.6948           A3 32 0
75 CXONGC1333 J032905.9+311640 X 03 29 05.90 +31 16 40.6           ~ 1 0
76 [GFT2002] 60 X 03 29 06.60 +31 19 33.8           ~ 2 0
77 2MASS J03290794+3122515 Y*O 03 29 07.9451430600 +31 22 51.518564724           M2.5 22 0
78 [GFT2002] 62 X 03 29 08.72 +31 13 14.7           ~ 2 0
79 2MASS J03290908+3123056 Y*O 03 29 09.0836580528 +31 23 05.615255976           ~ 13 0
80 LZK 12 Or* 03 29 10.393560 +31 21 59.19408   15.814 14.497 14.636   B5:V+F2: 140 0
81 [JCC87] IRAS 4A Y*O 03 29 10.49 +31 13 30.8           ~ 715 1
82 MBO 62 LM* 03 29 10.7936021808 +31 22 30.095966496           M7.5V 7 0
83 [JCC87] IRAS 4 FIR 03 29 10.9 +31 13 26           ~ 478 0
84 HH 6 HH 03 29 11.2 +31 18 34           ~ 65 0
85 NGC 1333 OpC 03 29 11.3 +31 18 36           ~ 1450 1
86 [KJD2006] SMM J032917+31184 Y*O 03 29 11.3 +31 18 25           ~ 61 0
87 ASR 24 Y*O 03 29 11.3086050888 +31 17 17.571375924           M8V 17 0
88 2MASS J03291177+3126095 Y*O 03 29 11.7737851008 +31 26 09.328679592           ~ 23 0
89 CXONGC1333 J032911.8+312216 X 03 29 11.83 +31 22 16.3           ~ 1 0
90 2MASS J03291188+3121271 Y*O 03 29 11.883 +31 21 27.13           ~ 16 0
91 [JCC87] IRAS 4B Y*O 03 29 12.058 +31 13 02.05           ~ 600 0
92 ASR 83 Y*O 03 29 12.7929483912 +31 20 07.605500676           M7.5V 8 0
93 2MASS J03291294+3118146 Y*O 03 29 12.945 +31 18 14.61           ~ 39 1
94 2MASS J03291312+3122529 Y*O 03 29 13.1278616784 +31 22 52.843160064           M3.0 18 0
95 MBO 184 Y*? 03 29 13.476 +31 24 40.71           ~ 6 0
96 [JCC87] IRAS 4C Y*O 03 29 13.54 +31 13 58.2           ~ 107 1
97 CXONGC1333 J032914.0+312214 X 03 29 14.09 +31 22 14.4           ~ 2 0
98 MBO 66 Y*O 03 29 14.4337814976 +31 22 36.190624728           M6.5V 8 0
99 HH 345 HH 03 29 15.1 +31 13 26           ~ 6 0
100 [GFT2002] 76 X 03 29 15.61 +31 18 52.4           ~ 3 0
101 HH 347 HH 03 29 15.7 +31 15 22           ~ 8 0
102 2MASS J03291659+3123495 Y*O 03 29 16.5959397096 +31 23 49.484861880           M3.0 18 0
103 2MASS J03291667+3116182 Y*O 03 29 16.6783996776 +31 16 18.138707760           M3.5 25 0
104 EM* LkHA 270 TT* 03 29 17.6758022904 +31 22 44.892332544   16.344 14.639 13.994   K2/3IIIe 85 0
105 HH 335 HH 03 29 17.7 +31 23 03           ~ 9 0
106 [GFT2002] 80 X 03 29 18.58 +31 19 26.2           ~ 2 0
107 EM* LkHA 354 Y*O 03 29 18.7266187427 +31 23 25.391102685     15.05     K4IVe 42 0
108 CXONGC1333 J032919.0+312106 X 03 29 19.07 +31 21 06.8           ~ 2 0
109 BD+30 549 Y*O 03 29 19.7773614209 +31 24 57.044926178 10.81 10.95 10.47 10.587   B8/9V 113 0
110 2MASS J03292003+3124076 Y*O 03 29 20.036 +31 24 07.65           ~ 34 1
111 CXONGC1333 J032920.1+311450 X 03 29 20.16 +31 14 50.6           ~ 1 0
112 HH 5 HH 03 29 20.424 +31 12 51.28           ~ 42 1
113 HH 17 Y*O 03 29 20.4245077872 +31 18 34.234290072     16.38     K6.0 57 0
114 [GFT2002] 87 X 03 29 21.12 +31 16 17.1           ~ 2 0
115 MBO 41 * 03 29 21.5219875512 +31 25 12.926078148           ~ 6 0
116 2MASS J03292155+3121104 Y*O 03 29 21.5557894333 +31 21 10.409454948           M4.5 31 0
117 HH 346 HH 03 29 21.6 +31 15 28           ~ 4 0
118 EM* LkHA 271 Or* 03 29 21.8747728752 +31 15 36.242125668   14.0 14.3     K4.0 68 0
119 2MASS J03292204+3124153 Or* 03 29 22.0441271143 +31 24 15.311903362           M3.5 21 0
120 EM* LkHA 355 Y*O 03 29 23.1507312768 +31 20 30.307187076           M4.5 32 0
121 2MASS J03292349+3123309 Y*O 03 29 23.4985478325 +31 23 30.919948917           M3.5 23 0
122 MBO 56 Y*O 03 29 23.7025486512 +31 25 09.516675468           M5.5V 12 0
123 ASR 79 Y*O 03 29 24.0886223107 +31 19 57.383186997           M2.5V 52 0
124 [GFT2002] 95 X 03 29 24.16 +31 21 09.9           ~ 2 0
125 MBO 77 Y*O 03 29 24.8373688464 +31 24 06.221500344           M6.5V 7 0
126 [GFT2002] 96 X 03 29 24.87 +31 20 52.2           ~ 2 0
127 HH 348 HH 03 29 25.4 +31 13 34           ~ 7 0
128 [GFT2002] 99 X 03 29 25.84 +31 13 47.0           ~ 3 0
129 ATO J052.3580+31.4444 Or* 03 29 25.9204996396 +31 26 40.073601979     14.55     M2.2 42 0
130 2MASS J03292681+3126475 Y*O 03 29 26.8189696128 +31 26 47.460883488   16.42 14.97 14.65   K7.5 29 0
131 2MASS J03292815+3116285 Y*O 03 29 28.1544689472 +31 16 28.577960652           M7.5 18 0
132 2MASS J03292925+3118347 TT* 03 29 29.2619320482 +31 18 34.727492781           K7.5 42 0
133 2MASS J03292978+3121027 Y*O 03 29 29.7853459200 +31 21 02.537459208           M4.5 22 0
134 CXONGC1333 J032930.6+312729 LM* 03 29 30.5386923288 +31 27 27.917400888           M6.9 19 0
135 [GFT2002] 105 X 03 29 31.70 +31 21 25.2           ~ 3 0
136 MBO 53 Y*O 03 29 32.8676493712 +31 27 12.582093104           M5V 31 0
137 2MASS J03293430+3117433 Y*O 03 29 34.2977975922 +31 17 43.377359596           M3.0 21 0
138 HH 496 HH 03 29 34.7 +31 24 22           ~ 2 0
139 LDN 1450 DNe 03 29.6 +31 20           ~ 61 0
140 HH 349 HH 03 29 36.2 +31 13 33           ~ 5 0
141 HH 336 * 03 29 39.77 +31 17 44.0           ~ 8 0
142 CXONGC1333 J032945.4+312351 X 03 29 45.43 +31 23 51.1           ~ 1 0
143 CXONGC1333 J032946.1+312037 X 03 29 46.11 +31 20 37.8           ~ 1 0
144 NAME Perseus Cloud SFR 03 35.0 +31 13           ~ 1364 0
145 Ass Per OB 2 As* 03 42.2 +33 26           ~ 338 0
146 IC 348 OpC 03 44 31.7 +32 09 32           ~ 1392 1
147 NAME Orion Nebula Cluster OpC 05 35.0 -05 29           ~ 2331 0
148 [TUK93] 3 Y*O 05 35 18.32712 -05 00 32.9400           ~ 74 2
149 HOPS 91 Y*O 05 35 18.98 -05 00 51.6           ~ 41 0
150 OMC 3 MoC 05 35 20.0 -05 01 00           ~ 273 1
151 OMC 2 MoC 05 35 27 -05 10.1           ~ 450 1
152 V* TW Hya TT* 11 01 51.9053285064 -34 42 17.033218380   11.94 10.50 10.626 9.18 K6Ve 1892 1
153 NAME Cha 1 MoC 11 06 48 -77 18.0           ~ 1154 1
154 NAME Oph Cloud Complex DNe 16 30 -24.3           ~ 64 1
155 2MASS J19014805-3657219 Y*O 19 01 48.056 -36 57 21.95           ~ 102 0
156 HH 495 HH ~ ~           ~ 2 0
157 HH 497 HH ~ ~           ~ 3 0
158 HH 499 HH ~ ~           ~ 5 0

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