J/ApJS/208/11 The Red MSX Source Survey: massive protostars (Lumsden+, 2013)
The red MSX source survey: the massive young stellar population of our Galaxy.
Lumsden S.L., Hoare M.G., Urquhart J.S., Oudmaijer R.D., Davies B.,
Mottram J.C., Cooper H.D.B., Moore T.J.T.
<Astrophys. J. Suppl. Ser., 208, 11 (2013)>
=2013ApJS..208...11L 2013ApJS..208...11L
ADC_Keywords: Infrared sources ; Stars, distances ; Surveys ; H II regions ;
YSOs ; Stars, late-type
Keywords: Galaxy: stellar content, infrared: stars, stars: formation
stars: late-type, stars: pre-main sequence, surveys
Abstract:
We present the Red MSX Source survey, the largest statistically
selected catalog of young massive protostars and H II regions to date.
We outline the construction of the catalog using mid- and
near-infrared color selection. We also discuss the detailed follow up
work at other wavelengths, including higher spatial resolution data in
the infrared. We show that within the adopted selection bounds we are
more than 90% complete for the massive protostellar population, with a
positional accuracy of the exciting source of better than 2 arcsec. We
briefly summarize some of the results that can be obtained from
studying the properties of the objects in the catalog as a whole; we
find evidence that the most massive stars form: (1) preferentially
nearer the Galactic center than the anti-center; (2) in the most
heavily reddened environments, suggestive of high accretion rates; and
(3) from the most massive cloud cores.
Description:
The Midcourse Space Experiment (MSX) satellite mission included an
astronomy experiment (SPIRIT III) designed to acquire mid-infrared
photometry of sources in the Galactic plane (b<5°). MSX had a raw
resolution of 18.3", a beam size 50 times smaller than that of IRAS at
12 and 25um. MSX observed six bands between 4 and 21um, of which the
four between 8 and 21um are sensitive to astronomical sources. We used
v2.3 of the MSX PSC (Egan et al. 2003, Cat. V/114) as our basic input,
restricting ourselves to the main Galactic plane catalog, which
excludes sources seen in only a single observing pass and those seen
in multiple passes but with low significance. We restricted our
catalog to 10<l<350° in order to avoid problems with greater
source confusion, as well as kinematic distance ambiguities near the
Galactic center.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1.dat 107 2798 The full RMS (Red MSX Source Survey) catalog
table2.dat 77 115 Complete list of massive protostars with
L>20000L☉
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See also:
V/114 : MSX6C infrared point source catalog (Egan+ 2003)
J/MNRAS/410/1237 : Red MSX survey (RMS) massive young stars (Urquhart+, 2011)
J/MNRAS/418/1689 : Red MSX water maser and ammonia emissions (Urquhart+, 2011)
J/A+A/525/A149 : RMS: bolometric fluxes of YSOs (Mottram+, 2011)
J/AJ/142/94 : Red MSX sources in BGPS (Schenck+, 2011)
J/A+A/507/795 : The RMS survey: water masers of YSOs (Urquhart+, 2009)
J/AJ/122/1844 : MSX and 2MASS cross-correlation in LMC (Egan+, 2001)
http://rms.leeds.ac.uk/ : Online definitive version of the RMS catalog
(regularly updated)
Byte-by-byte Description of file: table1.dat
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Bytes Format Units Label Explanations
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1- 18 A18 --- Name Full RMS catalog name of the source
(GLLL.llll+BB.bbbbA)
20- 21 I2 h RAh Hour of Right Ascension (J2000)
23- 24 I2 min RAm Minute of Right Ascension (J2000)
26- 30 F5.2 s RAs Second of Right Ascension (J2000)
32 A1 --- DE- Sign of the Declination (J2000)
34- 35 I2 deg DEd Degree of Declination (J2000)
37- 38 I2 arcmin DEm Arcminute of Declination (J2000)
40- 43 F4.1 arcsec DEs Arcsecond of Declination (J2000)
45- 58 A14 --- Type Object type as defined in the paper (3)
60 A1 --- fcc [N/Y] Failing near infrared color cuts? (4)
62- 67 F6.1 km/s vLSR ? Local Standard of Rest velocity
69- 72 F4.1 kpc Near [0/30.5]? Near distance for source (1)
74- 77 F4.1 kpc Far [0/30.5]? Far distance for source (1)
79- 82 F4.1 kpc Dist [-1/17.2]? Adopted Distance (2)
84- 87 F4.1 kpc Rgc [2.9/15.1]? Distance from Galactic center
89- 95 I7 Lsun Lbol [0/2612430]? Bolometric luminosity
97-107 A11 --- IRAS IRAS counterpart within MSX beam; "NULL" if none
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Note (1): With kinematic distance ambiguity.
Note (2): If the adopted distance is different from kinematic near and far
distances, it indicates a non-kinematic origin for the distance such
as parallax.
Note (3): the types are:
* Stars: Carbon star; Evolved star; OH/IR star; Young/old star; YSO
* Non-stars: PN; Proto-PN; HII region; HII/YSO; Other
Note (4): the color cuts boundaries are: F21>2F8 , F21>F14 ,
F14>F8 , F8>5FK and FK>2FJ. The sources failing the color
cuts with J and K are marked in the column "fcc"
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Byte-by-byte Description of file: table2.dat
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Bytes Format Units Label Explanations
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1- 18 A18 --- Name RMS name (GLLL.llll+BB.bbbbA)
20 A1 --- f_Name [*] * = HII region central star
22- 23 I2 h RAh Hour of right ascension (J2000)
25- 26 I2 min RAm Minute of right ascension (J2000)
28- 32 F5.2 s RAs Second of right ascension (J2000)
34 A1 --- DE- Declination sign (J2000)
35- 36 I2 deg DEd Degree of declination (J2000)
38- 39 I2 arcmin DEm Arcminute of declination (J2000)
41- 44 F4.1 arcsec DEs Arcsecond of declination (J2000)
46- 49 F4.1 kpc Dist [1.4/14.5] Heliocentric distance
51- 56 I6 Lsun Lbol [20000/259200] Bolometric luminosity
58- 77 A20 --- OName Other name (1)
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Note (1): These names are only given for sources with more than 10
citations on SIMBAD for counterparts within 20 arcsec of the central
RMS source. We present all the objects we classify purely as YSOs, as
well as those that have clear characteristics of HII regions (e.g.,
strong radio emission), but where the central exciting star still
retains characteristics of a YSO, such as spectral evidence for a disk
(see, e.g., Cooper et al. 2013MNRAS.430.1125C 2013MNRAS.430.1125C). Only about half of our
most luminous protostars are sufficiently well studied to have a
common "Other Name."
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History:
From electronic version of the journal
(End) Greg Schwarz [AAS], Emmanuelle Perret [CDS] 03-Oct-2013