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J/ApJ/671/605         NGC 2264 and ONC PMS stars in the infrared  (Cieza+, 2007)

Testing the disk regulation paradigm with Spitzer observations. II. A clear signature of star-disk interaction in NGC 2264 and the Orion Nebula Cluster. Cieza L., Baliber N. <Astrophys. J., 671, 605-615 (2007)> =2007ApJ...671..605C (SIMBAD/NED BibCode)
ADC_Keywords: Clusters, open ; Stars, pre-main sequence ; Photometry, infrared ; Millimetric/submm sources Keywords: infrared: stars - open clusters and associations: individual (NGC 2264, Orion Nebula Cluster) - planetary systems: protoplanetary disks Abstract: Observations of pre-main-sequence star rotation periods reveal slow rotators in young clusters of various ages, indicating that angular momentum is somehow removed from these rotating masses. The mechanism by which spin-up is regulated as young stars contract has been one of the longest standing problems in star formation. Attempts to observationally confirm the prevailing theory that magnetic interaction between the star and its circumstellar disk regulates these rotation periods have produced mixed results. In this paper, we use the unprecedented disk identification capability of the Spitzer Space Telescope to test the star-disk interaction paradigm in two young clusters, NGC 2264 and the Orion Nebula Cluster (ONC). File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file table1.dat 111 445 NGC 2264 stars with periods from the literature and Spitzer data table2.dat 101 464 Orion stars detected in 3.6 and 8.0 microns with periods from the literature
See also: J/AJ/127/2228 : VRI photometry of PMS stars in NGC 2264 OB (Makidon+, 2004) J/A+A/430/1005 : VRIHα photometry of NGC 2264 variables (Lamm+, 2005) J/AJ/113/1733 : Orion Nebula Cluster population (Hillenbrand 1997) J/AJ/121/1676 : ONC low-mass stars photometry (Rebull+, 2001) J/ApJ/646/297 : Spitzer observations of pre-main-sequence stars (Rebull+ 2006) J/ApJ/649/862 : IR phot. of IC 348 pre-main-sequence stars (Cieza+, 2006) Byte-by-byte Description of file: table1.dat
Bytes Format Units Label Explanations
1- 9 F9.5 deg RAdeg Right Ascension in decimal degrees (J2000) 11- 17 F7.5 deg DEdeg Declination in decimal degrees (J2000) 19- 23 F5.2 mag Rcmag The Rc band magnitude 25- 29 F5.2 mag Icmag The Ic band magnitude 31- 35 F5.2 d Per Period 38 I1 --- Ref [1/2] Reference for optical photometry and period (1) 41- 48 E8.2 mJy F3.6 ? IRAC 3.6 micron flux 50- 57 E8.2 mJy e_F3.6 ? Error in 3.6 micron flux 59- 66 E8.2 mJy F4.5 ? IRAC 4.5 micron flux 68- 75 E8.2 mJy e_F4.5 ? Error in 4.5 micron flux 77- 84 E8.2 mJy F5.8 ? IRAC 5.8 micron flux 86- 93 E8.2 mJy e_F5.8 ? Error in 5.8 micron flux 95-102 E8.2 mJy F8.0 ? IRAC 8 micron flux 104-111 E8.2 mJy e_F8.0 ? Error in 8 micron flux
Note (1): Periods and optical photometry taken from: 1 = Lamm et al. (2005, Cat. J/A+A/430/1005) 2 = Makidon et al. (2004, Cat. J/AJ/127/2228)
Byte-by-byte Description of file: table2.dat
Bytes Format Units Label Explanations
1- 10 A10 --- Name Star name (1) 12- 13 I2 h RAh Hour of Right Ascension (J2000) (2) 15- 16 I2 min RAm Minute of Right Ascension (J2000) (2) 18- 21 F4.1 s RAs Second of Right Ascension (J2000) (2) 23 A1 --- DE- Sign of the Declination (J2000) (2) 24- 25 I2 deg DEd Degree of Declination (J2000) (2) 27- 28 I2 arcmin DEm Arcminute of Declination (J2000) (2) 30- 33 F4.1 arcsec DEs Arcsecond of Declination (J2000) (2) 35- 39 F5.2 mag F3.6 IRAC 3.6 micron magnitude (2) 41- 45 F5.3 mag e_F3.6 Error in F3.6 (2) 47- 51 F5.2 mag F4.5 IRAC 4.5 micron magnitude (2) 53- 57 F5.3 mag e_F4.5 Error in F4.5 (2) 59- 63 F5.2 mag F5.8 IRAC 5.8 micron magnitude (2) 65- 69 F5.3 mag e_F5.8 Error in F5.8 (2) 71- 75 F5.2 mag F8.0 IRAC 8.0 micron magnitude (2) 77- 81 F5.3 mag e_F8.0 Error in F8.0 (2) 83- 87 F5.2 d Per Period (2) 89- 94 A6 --- SpT MK spectral type 96- 98 A3 --- r_SpT Reference for spectral type (3) 100-101 A2 --- Mi [LH NO] Mass indicator, Low- or High-mass (4)
Note (1): Stars names are from: R01 = Rebull (2001, Cat. J/AJ/121/1676, [R2001] NNNN) HBC = Herbig & Bell (1988, Cat. V/73) Par = Parenago (1954, Cat. II/171, Parenago NNNN) CHS = Carpenter et al. (2001, Cat. J/AJ/121/3160, [CHS2001] NNNNN) H97 = Hillenbrand (1997, Cat. J/AJ/113/1733, [H97b] NNNNa) HBJM = Herbst et al. (2001ApJ...554L.197H, [H97b] NNNN) JW = Jones & Walker (1988AJ.....95.1755J) Note (2): From Rebull et al. (2006, Cat. J/ApJ/646/297). Note (3): R01 spectral types come from Rebull (2001, Cat. J/AJ/121/1676), while the H97 spectral types come from Hillenbrand (1997, Cat. J/AJ/113/1733). Note (4): Stars with M2 and earlier spectral types are considered high-mass stars, while stars with M2.5 and later spectral types are considered low-mass stars.
History: From electronic version of the journal References: Cieza & Baliber, Paper I 2006ApJ...649..862C, Cat. J/ApJ/649/862
(End) Greg Schwarz [AAS], Patricia Vannier [CDS] 14-Mar-2010
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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