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J/AJ/126/2867       Red supergiants in Magellanic Clouds     (Massey+, 2003)

The evolution of massive stars. I. Red supergiants in the Magellanic Clouds. Massey P., Olsen K.A.G. <Astron. J., 126, 2867-2886 (2003)> =2003AJ....126.2867M
ADC_Keywords: Magellanic Clouds ; Stars, supergiant ; Photometry, CCD ; Photometry, UBVRI ; MK spectral classification Keywords: galaxies: stellar content - galaxies: structure - Magellanic Clouds - stars: evolution - supergiants - surveys Abstract: We investigate the red supergiant (RSG) content of the SMC and LMC using multiobject spectroscopy on a sample of red stars previously identified by BVR CCD photometry. We obtained high-accuracy (<1km/s) radial velocities for 118 red stars seen toward the SMC and 167 red stars seen toward the LMC, confirming most of these (89% and 95%, respectively) as red supergiants. Spectral types were also determined for most of these RSGs. Description: Our sample of red supergiant candidates comes from a recent UBVR CCD survey covering most of the Clouds (Massey, 2002, Cat. II/236). Our spectroscopy used the Hydra fiber positioner on the Blanco 4m telescope at Cerro Tololo Inter-American Observatory during the nights of (UT) 2001 October 46. File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file table1.dat 86 118 Red stars seen towards the SMC table2.dat 85 167 Red stars seen towards the LMC table7.dat 61 28 Other spectroscopically confirmed RSGs in the SMC table8.dat 61 25 Other spectroscopically confirmed RSGs in the LMC
See also: II/236 : UBVR CCD survey of the Magellanic clouds (Massey+, 2002) Byte-by-byte Description of file: table1.dat table2.dat
Bytes Format Units Label Explanations
1- 6 I6 --- [M2002] Star identification number (1) 8- 9 I2 h RAh Hour of Right Ascension (J2000) (1) 11- 12 I2 min RAm Minute of Right Ascension (J2000) (1) 14- 18 F5.2 s RAs Second of Right Ascension (J2000) (1) 20 A1 --- DE- Sign of the Declination (J2000) (1) 21- 22 I2 deg DEd Degree of Declination (J2000) (1) 24- 25 I2 arcmin DEm Arcminute of Declination (J2000) (1) 27- 30 F4.1 arcsec DEs Arcsecond of Declination (J2000) (1) 32- 36 F5.2 mag Vmag The V band magnitude (1) 38- 41 F4.2 mag B-V The (B-V) color (1) 43- 46 F4.2 mag V-R The (V-R) color (1) 48- 52 F5.3 [K] LogTeff ? Log of the effective temperature (2) 54- 59 F6.2 mag Mbol ? Bolometric absolute magnitude (2) 61- 65 F5.1 km/s RV Radial velocity 67- 70 A4 --- Memb Membership (3) 72- 78 A7 --- NSpType New spectral type 80- 85 A6 --- LSpType Spectral type (4)
Note (1): From Massey, 2002, Cat. II/236. In Simbad: [M2002] SMC NNNNNN in table1, [M2002] LMC NNNNNN in table2 Note (2): Based upon spectral type, if available, or V-R if not. See text. Note (3): Membership: SMC = Small Magellanic Cloud star; LMC = Small Magellanic Cloud star; Fgd = Foreground star. Note (4): Spectral type from Elias et al., 1985ApJS...57...91E in SMC, from Humphreys, 1979ApJS...39..389H in LMC.
Byte-by-byte Description of file: table7.dat table8.dat
Bytes Format Units Label Explanations
1- 18 A18 --- Name Name (1) 21- 25 F5.2 mag Vmag V magnitude 27- 36 A10 --- ID Identification (2) 39- 47 A9 --- SpType Spectral type (3) 49- 53 F5.3 [K] logTeff Effective temperature 56- 61 F6.2 mag Mbol Bolometric absolute magnitude
Note (1): [M2002] are from Massey 2002, Cat. II/236 [S84d] are from Elias et al. 1985ApJS...57...91E SP77 are from Humphreys, 1979ApJS...39..389H Note (2): Identifications from Sanduleak, 1989AJ.....98..825S in SMC, from Humphreys, 1979ApJS...39..389H in LMC. Note (3): Spectral types from Elias et al., 1985ApJS...57...91E in SMC, from Humphreys, 1979ApJS...39..389H in LMC.
History: From electronic version of the journal
(End) Greg Schwarz [AAS], Patricia Vannier [CDS] 12-Jan-2004
The document above follows the rules of the Standard Description for Astronomical Catalogues.From this documentation it is possible to generate f77 program to load files into arrays or line by line

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