J/A+A/549/A67 Embedded YSOs in Carina Nebula complex (Gaczkowski+, 2013)
Herschel far-infrared observations of the Carina Nebula complex.
II: The embedded young stellar and protostellar population.
Gaczkowski B., Preibisch T., Ratzka T., Roccatagliata V., Ohlendorf H.,
Zinnecker H.
<Astron. Astrophys. 549, A67 (2013)>
=2013A&A...549A..67G 2013A&A...549A..67G
ADC_Keywords: Protostars ; Interstellar medium ; Stars, pre-main sequence ;
Photometry, infrared
Keywords: stars: formation - circumstellar matter - stars: protostars -
stars: luminosity function, mass function -
ISM: individual objects: NGC 3372 - stars: individual: eta Carinae
Abstract:
The Carina Nebula represents one of the largest and most active star
forming regions known in our Galaxy. It contains numerous very massive
(M≳40M_☉) stars that strongly act the surrounding clouds by
their ionizing radiation and stellar winds.
Our recently obtained Herschel PACS & SPIRE far-infrared maps cover
the full area (≈8.7°2) of the Carina Nebula complex and reveal
the population of deeply embedded young stellar objects, most of which
are not yet visible in the mid- or near-infrared.
We study the properties of the 642 objects that are independently
detected as point-like sources in at least two of the five Herschel
bands. For those objects that can be identified with apparently single
Spitzer counterparts, we use radiative transfer models to derive
information about the basic stellar and circumstellar parameters.
Description:
The Carina Nebula complex was observed by the Herschel satellite on
December 26th, 2010.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
tablea1.dat 83 642 Photometric catalog of the 642 Herschel point-like
sources with fluxes detected in at least two bands
tableb1.dat 129 80 2MASS, Spitzer, WISE, and Herschel fluxes of the
point-like sources with SED fits
tablec1.dat 118 80 Model parameters of the sources with good SED fits
tabled1.dat 54 500 *Catalog of the additional 500 Herschel
source-candidates
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Note on tabled1.dat: It includes the objects detected by CuTEx in only one
band, as well as a number of additional point-like sources that were
found by visual inspection of the maps.
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See also:
II/246 : 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
II/311 : WISE All-Sky Data Release (Cutri+ 2012)
Byte-by-byte Description of file: tablea1.dat
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Bytes Format Units Label Explanations
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1- 16 A16 --- Source Source name (JHHMMSS.s+DDMMSS)
18- 24 F7.3 Jy F70 ? Flux density at 70um
25- 31 F7.3 Jy F160 ? Flux density at 160um
33- 39 F7.3 Jy F250 ? Flux density at 250um
40- 46 F7.3 Jy F350 ? Flux density at 350um
47- 53 F7.3 Jy F500 ? Flux density at 500um
55- 83 A29 --- Name Simbad identification within 20" of the Herschel
source or the jet arising from this Herschel
source as analyzed in Ohlendorf et al.
(2012A&A...540A..81O 2012A&A...540A..81O)
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Byte-by-byte Description of file: tableb1.dat
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Bytes Format Units Label Explanations
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1- 16 A16 --- Source Source name (JHHMMSS.s+DDMMSS)
19- 24 F6.3 mJy F1.2 ? 2MASS 1.2µm flux
26- 31 F6.3 mJy F1.7 ? 2MASS 1.7µm flux
33- 38 F6.3 mJy F2.2 ? 2MASS 2.2µm flux
40- 46 F7.3 mJy F3.6 ? Spitzer 3.6µm flux
48- 54 F7.3 mJy F4.5 ? Spitzer 4.5µm flux
56- 63 F8.3 mJy F5.8 ? Spitzer 5.8µm flux
65- 72 F8.3 mJy F8.0 ? Spitzer 8.0µm flux
74- 81 F8.3 mJy F12 ? WISE 12µm flux
83- 90 F8.3 mJy F22 ? WISE 22µm flux
92- 98 F7.3 Jy F70 ? Herschel 70µm flux
100-106 F7.3 Jy F160 ? Herschel 160µm flux
108-114 F7.3 Jy F250 ? Herschel 250µm flux
116-122 F7.3 Jy F350 ? Herschel 350µm flux
124-129 F6.2 Jy F500 ? Herschel 500µm flux
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Byte-by-byte Description of file: tablec1.dat
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Bytes Format Units Label Explanations
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1- 16 A16 --- Source Source name (JHHMMSS.s+DDMMSS)
18- 20 F3.1 Msun M* ? Stellar mass best fit-value
23- 26 F4.2 Msun b_M* ? Model minimum value stellar mass interval
27 A1 --- --- [-]
28- 32 F5.2 Msun B_M* ? Model maximum value stellar mass interval
34- 39 F6.3 0.10Msun Md ? Disk mass best fit-value
42- 50 F9.6 0.10Msun b_Md ? Model minimum value Disk mass interval
51 A1 --- --- [-]
52- 57 F6.2 0.10Msun B_Md ? Model maximum value Disk mass interval
60- 66 F7.3 Msun Me ? Envelope mass best fit-value
69- 74 F6.2 Msun b_Me ? Model minimum value Envelope mass interval
75 A1 --- --- [-]
76- 81 F6.1 Msun B_Me ? Model maximum value Envelope mass interval
84- 87 I4 Lsun L ? Total luminosity best fit-value
90- 93 I4 Lsun b_L ? Model minimum value Total luminosity interval
94 A1 --- --- [-]
95- 99 I5 Lsun B_L ? Model maximum value Total luminosity interval
102-108 I7 --- Mod Best-fit model identifier
110-113 F4.2 --- chi2 Best chi2nu value
115-118 I4 --- PCYC ? Matching source number of the Pan Carina
YSO catalog, (Povich et al., 2011,
Cat. J/ApJS/194/14)
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Byte-by-byte Description of file: tabled1.dat
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Bytes Format Units Label Explanations
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1- 16 A16 --- Source Source name (JHHMMSS.s+DDMMSS)
18- 23 F6.3 Jy F70 ? Flux density at 70um
25- 31 F7.3 Jy F160 ? Flux density at 160um
33- 39 F7.4 Jy F250 ? Flux density at 250um
41- 46 F6.3 Jy F350 ? Flux density at 350um
49- 54 F6.3 Jy F500 ? Flux density at 500um
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Acknowledgements:
Benjamin Gaczkowski, bengac(at)usm.uni-muenchen.de
References:
Preibisch et al., Paper I 2012A&A...541A.132P 2012A&A...541A.132P
(End) Patricia Vannier [CDS] 30-Nov-2012