J/AJ/126/1423 MSX 8.3um fluxes of star-forming regions (Kraemer+, 2003)
Observations of star-forming regions with the Midcourse Space Experiment.
Kraemer K.E., Shipman R.F., Price S.D., Mizuno D.R., Kuchar T., Carey S.J.
<Astron. J. 126, 1423 (2003)>
=2003AJ....126.1423K 2003AJ....126.1423K
ADC_Keywords: Interstellar medium ; H II regions ; Infrared sources
Keywords: infrared radiation - ISM: clouds - ISM: individual (Rosette Nebula,
Orion Nebula, W3, Pleiades, G300.2-16.8, S263, G159.6-18.5) -
stars: formation
Abstract:
We have imaged seven nearby star-forming regions, the Rosette Nebula,
the Orion Nebula, W3, the Pleiades, G300.2-16.8, S263, and
G159.6-18.5, with the Spatial Infrared Imaging Telescope on the
Midcourse Space Experiment (MSX) satellite at 18" resolution at 8.3,
12.1, 14.7, and 21.3µm. The large angular scale of the regions imaged
(∼7.2-50deg2) makes these data unique in terms of the combination of
size and resolution. In addition to the star-forming regions, two
cirrus-free fields (MSXBG 160 and MSXBG 161) and a field near the
south Galactic pole (MSXBG 239) were also imaged. Point sources have
been extracted from each region, resulting in the identification over
500 new sources (i.e., no identified counterparts at other
wavelengths), as well as over 1300 with prior identifications. The
extended emission from the star-forming regions is described, and
prominent structures are identified, particularly in W3 and Orion. The
Rosette Nebula is discussed in detail. The bulk of the mid-infrared
emission is consistent with that of photon-dominated regions,
including the elephant trunk complex. The central clump, however, and
a line of site toward the northern edge of the cavity show
significantly redder colors than the rest of the Rosette complex.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
id.dat 105 1304 Identified Compact Sources
new.dat 70 496 New Compact Sources
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See also:
V/114 : MSX6C Infrared Point Source Catalog (Egan+ 2003)
J/AJ/122/1844 : MSX and 2MASS cross-correlation in LMC (Egan+, 2001)
J/AJ/124/2990 : MSX galaxy observations (Kraemer+, 2002)
Byte-by-byte Description of file: id.dat
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Bytes Format Units Label Explanations
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1- 11 A11 --- Region Name of the star-forming region
13- 29 A17 --- [KSP2003] Object name
31- 32 I2 h RAh Hour of right ascension (J2000)
34- 35 I2 min RAm Minute of right ascension (J2000)
37- 41 F5.2 s RAs Second of right ascension (J2000)
43 A1 --- DE- Sign of the declination (J2000)
44- 45 I2 deg DEd Degree of declination (J2000)
47- 48 I2 arcmin DEm Arcminute of declination (J2000)
50- 53 F4.1 arcsec DEs Arcsecond of declination (J2000)
55- 60 I6 mJy Flux ? The 8.3um flux
62- 65 I4 mJy e_Flux ? Error in Flux
67- 68 A2 --- Detect Detection flag (G1)
70- 96 A27 --- Assoc Association
98-105 A8 --- Type Spectral or SIMBAD object type
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Byte-by-byte Description of file: new.dat
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Bytes Format Units Label Explanations
--------------------------------------------------------------------------------
1- 11 A11 --- Region Name of the star-forming region
13- 29 A17 --- [KSP2003] Object name
31- 32 I2 h RAh Hour of right ascension (J2000)
34- 35 I2 min RAm Minute of right ascension (J2000)
37- 41 F5.2 s RAs Second of right ascension (J2000)
43 A1 --- DE- Sign of the declination (J2000)
44- 45 I2 deg DEd Degree of declination (J2000)
47- 48 I2 arcmin DEm Arcminute of declination (J2000)
50- 53 F4.1 arcsec DEs Arcsecond of declination (J2000)
55- 58 I4 mJy Flux ? The 8.3um flux
60- 62 I3 mJy e_Flux ? Error in Flux
64- 65 A2 --- Detect Detection flag (G1)
67- 70 A4 --- DFlag Rough detection assessment flag (G2)
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Global notes:
Note (G1):
E = Source found by the point-source extractor
F = Source found by FIND;
B = Source found by both.
E1 = IRAS 05155+0707 was detected in band E but not at shorter wavelengths
E2 = IRAS 15290+4701 and HD 137895 are detected in band C but are off the
edge of the array in band A.
E3 = Source detected in band C is are off the edge of the array in band A.
E4 = V512 Per and IRAS 03260+3111 were detected in band C but are off the
edge of the array in band A.
E5 = Detected in bands D and E but not A or C. T20
Note (G2):
g = Good
f = Faint
vf = Very faint
m-vf = Marginal-very faint
fz = Fuzzy
sat = Saturated
sat? = Possibly saturated
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History:
* 07-Nov-2003: From electronic version of the journal
* 25-Feb-2005: The following sources were corrected, in agreement with
the author (Kathleen Kraemer):
- G165.9834-23.5342 (HD number)
- G166.0494-23.3627 (HD number)
- G082.1015+50.5970 (HD number)
- G133.4341+00.6799 (Kiso number)
- 06 36 40.45 +03 53 41.1 (GSC number)
(End) Greg Schwarz [AAS], Patricia Bauer [CDS] 07-Nov-2003