J/AJ/121/1676 ONC low-mass stars photometry (Rebull+, 2001)
Rotation of young low-mass stars in the Orion Nebula Cluster flanking fields.
Rebull L.M.
<Astron. J. 121, 1676 (2001)>
=2001AJ....121.1676R 2001AJ....121.1676R
ADC_Keywords: Stars, pre-main sequence ; Photometry, Cousins
Keywords: stars: pre-main-sequence - stars: rotation
Description:
We have photometrically monitored ∼3600 young, low-mass stars in four
45'x45' fields in the outer Orion Nebula cluster, surrounding but not
including the Trapezium region.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table3.dat 51 293 Periodic Stars
table4.dat 106 293 Supporting observations for periodic stars
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See also:
II/171 : Parenago Catalog of Stars in Orion Nebula (Parenago 1954)
J/AJ/119/3026 : Circumstellar disk candidates in Orion (Rebull+, 2000)
Byte-by-byte Description of file: table3.dat
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Bytes Format Units Label Explanations
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1- 4 I4 --- [R2001] Star number
6- 10 F5.2 d Per Period
12 A1 --- u_Per Uncertainty flag in Per
15- 19 F5.3 d e_Per Error in Per
21- 25 F5.3 mag Amp The Ic band amplitude
27- 30 F4.1 --- DF ? Relative phase of the Dec+Feb run with
respect to the Oct+Nov+Jan run
32- 33 A2 --- n_DF Notes on phasing up DF data (1)
35- 38 I4 --- [SMM99] ? Stassun et al. (1999AJ....117.2941S 1999AJ....117.2941S) number
40- 44 F5.2 d [SMM99]Per ? Period from Stassun et al.
(1999AJ....117.2941S 1999AJ....117.2941S)
47- 50 F4.2 d e_[SMM99]Per ? Error in [SMM99]Per
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Note (1):
: = more uncertain phase;
p = clearly periodic with same period but relative shift not clear.
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Byte-by-byte Description of file: table4.dat
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Bytes Format Units Label Explanations
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1- 4 I4 --- [R2001] Star number
7 I1 h RAh Right Ascension (J2000)
9- 10 I2 min RAm Right Ascension (J2000)
12- 17 F6.3 s RAs Right Ascension (J2000) good to at least 2''
19 A1 --- DE- Sign of the Declination (J2000)
20 I1 deg DEd Declination (J2000)
22- 23 I2 arcmin DEm Declination (J2000)
25- 29 F5.2 arcsec DEs Declination (J2000) good to at least 2''
31- 35 F5.2 mag Imag ? The Ic band magnitude
38- 41 F4.2 mag V-I ? The (V-Ic) color
43- 47 F5.2 mag U-V ? The (U-V) color
49 I1 --- r_Imag ? Indicates the source of the photometry (1)
51- 55 A5 --- SpType Spectral type
56 A1 --- u_SpType Uncertainty flag for SpType
59- 61 A3 --- r_SpType Indicates the Spectral type source (2)
64- 67 F4.2 mag IExt ? Extinction in the Ic band
69- 73 F5.2 mag Hmag ? The 2MASS H band magnitude
75- 79 F5.2 mag Kmag ? The 2MASS Ks band magnitude
81-107 A27 --- OName Other names (3)
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Note (1):
1 = From Paper I (Rebull et al., 2000, J/AJ/119/3026);
2 = From the Dec. 1995 run presented here.
Note (2):
1 = From Paper I (Rebull et al., 2000, J/AJ/119/3026);
H97 = Hillenbrand (1997, Cat. J/AJ/113/1733);
HBC = Herbig & Bell (1988, Cat. V/73).
Note (3): Nomenclature note:
H97 NNN: [H97b] NNN in Simbad
Par NNNN: Parenago NNNN in Simbad
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History:
From electronic version of the journal
(End) Greg Schwarz [AAS], Patricia Bauer [CDS] 31-May-2001