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J/PASJ/54/719    IRAS/SiO sources in the Galactic bulge   (Deguchi+, 2002)

Near-infrared observations of the IRAS/SiO sources in the Galactic bulge: a large scale distribution. Deguchi S., Fujii T., Nakashima J., Wood P.R. <Publ. Astron. Soc. Jap., 54, 719 (2002)> =2002PASJ...54..719D
ADC_Keywords: Infrared sources ; Photometry, infrared ; Masers Keywords: galaxies: Milky Way - infrared: sources - stars: kinematics - stars: long-period variables - stars: mass-loss Description: Near-infrared imaging observations of IRAS sources with SiO masers were made with the 2.3-m telescope of the Australian National University at Siding Spring Observatory, Australia, on 1997 June 18-23, 1998 June 9-12, and 2000 July 16-19, using the infrared array camera CASPIR. These infrared observations were made in parallel with long-term (1997-1999) SiO maser surveys at Nobeyama. The near-infrared observations were made within a year or so of the SiO detections. The details of the observations, data reduction, and method of identification were described in Deguchi et al. (1998PASJ...50..597D, 2001, Cat. J/PASJ/53/293), so they are not repeated here. All of the sources discussed in this paper are IRAS sources with detected SiO masers in the sky region of -10°<l<15° and |b|<3° (Deguchi et al., 2000ApJS..130..351D). File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file table1.dat 80 121 Observed magnitudes and positions of the IRAS candidates notes.dat 80 62 Note on the Identification
See also: J/ApJS/106/463 : SiO maser sources (Jiang+ 1996) J/A+AS/132/211 : SiO masers (Harju+ 1998) J/A+AS/127/185 : SiO masers in OH/IR stars, proto-PN and PN (Nyman+ 1998) J/PASJ/53/293 : IRAS/SiO sources toward Galactic Bulge (Deguchi+, 2001) Byte-by-byte Description of file: table1.dat
Bytes Format Units Label Explanations
1- 10 A10 --- IRAS IRAS name 11- 12 A2 --- f_IRAS [* ] Note on IRAS (1) 14- 23 A10 "YYYY/MM/DD" Date Observation date 25- 30 F6.3 mag Jmag ? J magnitude 32 A1 --- l_Hmag Limit flag on Hmag 33- 38 F6.3 mag Hmag ? H magnitude 40 A1 --- l_Kmag Limit flag on Kmag 41- 46 F6.3 mag Kmag ? K magnitude 48- 52 F5.1 arcsec DX Difference from IRAS position in right ascension (2) 54- 58 F5.2 arcsec DY Difference from IRAS position in declination (2) 60- 75 A16 --- MSX5C MSX5C name (LLL.llll+BB.bbbb) 77- 80 F4.1 arcsec DR Position difference between IRAS and MSX5C sources
Note (1): Remarks use the following symbols: * = These sources need attention for identification; notes are given in notes.dat file and false color images are in figure 1. ** = This source is an apparently-double SiO maser sources; see Deguchi et al., 1999PASJ...51..355D. Note (2): The coordinates of an object are given by RA = RA(IRAS PSC position) +DX DE = DE(IRAS PSC position) +DY, at the epoch of 1950
Byte-by-byte Description of file: notes.dat
Bytes Format Units Label Explanations
1- 10 A10 --- IRAS IRAS name (1) 12- 80 A69 --- Note Text of the note
Note (1): We give here a note on the identifications of the IRAS counterparts which need caution. -- Overlapped stars or stars with close companions are 17327-3319, 17549-2155, 17567-1748, 18022-2400, 18049-2109, 18097-2316, and 18117-1625. -- Candidates located in relatively dense region of stars are 17289-3437, 17367-3258, and 17526-2627. -- Very faint candidates are 17108-3512, 17340-3129, 17545-2308, 18030-2120, 18056-1514, 18001-1918, and 18167-1634. -- The candidates at notable positions are 17279-3120, 18106-1734, and 18173-1642.
History: From electronic version of the journal
(End) Patricia Bauer [CDS] 02-Dec-2002
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