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J/A+A/515/A100    VI light curves of NGC 1039 solar-type stars    (James+, 2010)

New rotation periods in the open cluster NGC 1039 (M 34), and a derivation of its gyrochronology age. James D.J., Barnes S.A., Meibom S., Lockwood G.W., Levine S.E., Deliyannis C., Platais I., Steinhauer A, Hurley B.K. <Astron. Astrophys. 515, A100 (2010)> =2010A&A...515A.100J
ADC_Keywords: Clusters, open ; Stars, G-type ; Photometry Keywords: methods: data analysis - starspots - stars: fundamental parameters - open clusters: individual: NGC 1039 (M 34) Abstract: Employing photometric rotation periods for solar-type stars in NGC 1039 [M 34], a young, nearby open cluster, we use its mass-dependent rotation period distribution to derive the cluster's age in a distance independent way, i.e., the so-called gyrochronology method. We present an analysis of 55 new rotation periods, using light curves derived from differential photometry, for solar type stars in the open cluster NGC 1039 [M 34]. We also exploit the results of a recently-completed, standardized, homogeneous BVIc CCD survey of the cluster, performed by the Indiana Group of the WIYN open cluster survey, in order to establish photometric cluster membership and assign B-V colours to each photometric variable. We describe a methodology for establishing the gyrochronology age for an ensemble of solar-type stars. Empirical relations between rotation period, photometric colour and stellar age (gyrochronology) are used to determine the age of M 34. File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file table2.dat 127 55 Astrometry, photometry and membership assignments of M34 stars for which photometric periods could be assigned in the Lowell campaign tablea1.dat 42 27 Cluster membership assessments for Jones & Prosser (1996, Cat. J/AJ/111/1193) stars in our period sample lc/* 20 150 *Individual light curves
Note on lc/* : Three stars were observed twice, and have have two light curves calculated with different periods. Light curves of "F3_0116" are the second observation of star "F4_0169". light curves of "F3_0169" are the second observation of star "F4_0327" and light curves of "F3_0340" are the second observation of star "F4_0730".
See also: J/AJ/111/1193 : Proper motion in M34 (Jones+ 1996) J/MNRAS/370/954 : VRIHalpha photometry of M34 (Irwin+, 2006) Byte-by-byte Description of file: table2.dat
Bytes Format Units Label Explanations
1- 7 A7 --- Name Name (FN_NNNN) (G1) 8 A1 --- n_B-V [f] (B-V) derived from V-I (1) 10- 11 I2 h RAh Right ascension (J2000) (2) 13- 14 I2 min RAm Right ascension (J2000) (2) 16- 21 F6.3 s RAs Right ascension (J2000) (2) 23 A1 --- DE- Declination sign (J2000) (2) 24- 25 I2 deg DEd Declination (J2000) (2) 27- 28 I2 arcmin DEm Declination (J2000) (2) 30- 35 F6.3 arcsec DEs Declination (J2000) (2) 37- 38 A2 --- --- [JP] 40- 42 I3 --- JP96 ? JP identifier from Jones & Prosser (1996, Cat. J/AJ/111/1193), Cl* NGC 1039 JP NNN in Simbad (3) 44- 49 F6.3 mag Vmag ?=99.999 V magnitude (4) 51- 55 F5.3 mag e_Vmag ?=9.999 rms uncertainty on Vmag (4) 57- 61 F5.3 mag B-V ?=9.999 B-V colour index (4) 63- 67 F5.3 mag e_B-V ?=9.999 rms uncertainty on B-V (4) 69- 73 F5.3 mag V-I ?=9.999 V-I colour index (4) 75- 79 F5.3 mag e_V-I ?=9.999 rms uncertainty on V-I (4) 81- 83 A3 --- Mph [Yes No] Photometric membership (5) 85- 92 A8 --- Mrv [Yes-sing Yes-bin No] Radial velocity membership (5) 94- 95 A2 --- lI [lI] Available light curve derived from long-I observations 97- 98 A2 --- lV [lV] Available light curve derived from long-V observations 100-101 A2 --- sI [sI] Available light curve derived from short-I observations 103-104 A2 --- sV [sV] Available light curve derived from short-V observations 106-112 F7.4 d Per Photometric period (6) 114-119 F6.4 d e_Per rms uncertainty on Per (6) 123-127 F5.3 mag (B-V)0 ?=- Deredenned B-V colour index (6) (7)
Note (1): B-V colours are determined using a field star V-I to B-V relationship (Caldwell et al., 1993SAAOC..15....1C), assuming E(V-I)=1.25*E(B-V), and E(B-V)=0.07 (Canterna et al., 1979PASP...91..263C) Note (2): Astrometric data are derived from coordinate matches in the SuperCosmos survey catalogs (Hambly et al., 2001MNRAS.326.1279H, 2001MNRAS.326.1315H, 2001MNRAS.326.1295H). Note (3): JP 96 identifiers are for photometric variables which are correlated with Jones & Prosser (1996, Cat. J/AJ/111/1193) sources. Note (4): BVI photometric data are taken from the Indiana Group survey (cf. Sect. 3). Note (5): Membership assignments are based upon whether a target star lies on (or close to) the V/B-V and/or V/V-I main sequence loci (see Fig.1) or whether a target star has a radial velocity consistent with the cluster's systemic velocity (Meibom et al., in prep.; see also Sect.2.1 and Meibom et al., 2006ApJ...653..621M). Note (6): From table3 of the paper Note (7): EB-V=0.07 is adopted; Canterna et al. (1979PASP...91..263C).
Table 6: CFHT spectroscopic data products for M 34 candidate members F3_0172 and F3_0215 -------------------------------------------------------------------------------- Name JP96 B-V Temp HJD RV EW(LiI+FeI) EW(FeI) EW(Li6708) N(Li) mag K d km/s 0.1pm 0.1pm 0.1pm -------------------------------------------------------------------------------- F3_0172 JP 49 0.811 5139 2455223.713 -8.4 115 13 102 2.003 F3_0215 JP 41 0.874 4946 2455223.712 -7.4 153 14 139 1.985 Byte-by-byte Description of file: tablea1.dat
Bytes Format Units Label Explanations
1- 7 A7 --- Name Name (FN_NNNN) (G1) 9- 10 A2 --- --- [JP] 12- 14 I3 --- JP96 JP identifier from Jones & Prosser (1996, Cat. J/AJ/111/1193), Cl* NGC 1039 JP NNN in Simbad 16 A1 --- Mph [Y/N] Membership based on photometric data (1) 18- 19 A2 --- Mrv [Ys Yb N] Membership based on radial velocity (1) 21 A1 --- MLi [Y/N] Membership based on radial velocity and lithium 6708Å equivalent width, from Jones et al. (1997AJ....114..352J) 23- 27 F5.1 km/s RV ? Jones et al. (1997AJ....114..352J) radial velocity 29 A1 --- Mrv2 [Y/N] Membership based on radial velocity (2) 31- 32 I2 % Prv2 ? Membership probability based on radial velocity (2) 34- 39 F6.3 mag Vmag V magnitude (1) 41- 42 I2 % Ppm Proper motion membership probabilities are taken from Jones & Prosser (1996, Cat. J/AJ/111/1193)
Note (1): Data taken from Tables 2 & 3. Note (2): Radial velocity membership assessments are based on a Gaussian fit to the entire Jones et al. (1997AJ....114..352J) radial velocity sample (see also Fig. A1).
Byte-by-byte Description of file: lc/*
Bytes Format Units Label Explanations
2- 9 F8.6 --- Phase [0/2] Phase 13- 20 F8.5 mag mag Instrumental i or v magnitude
Global notes: Note (G1): Identifier format is FX_YYYY, where "FX" are representations F3 and F4 for targets detected on M 34 western Field 3 or western Field 4 images, and "YYYY" are internal catalog numbers.
History: * 29-Jun-2010: Original files * 12-Sep-2011: Period added in table2, from table3 of the paper Acknowledgements: David James, david9(at) References: von Hippel et al., Pap I 1998AJ....116.1789V Sarajedini, et al., Pap II 1999AJ....118.2894S Sarajedini, Pap III 1999AJ....118.2321S Sarajedini et al., Pap IV 1999AJ....118.2894S Barrado et al., Pap V 2001ApJ...549..452B Sills & Deliyannis, Pap VI 2000ApJ...544..944S Platais et al., Pap VII 2001AJ....122.1486P, Cat. J/AJ/122/1486 Platais et al., Pap VIII 2002AJ....124..601P, Cat. J/AJ/124/601 Stassun et al., Pap IX 2002A&A...382..899S, Cat. J/A+A/382/899 Grocholski & Sarajedini, Pap X 2002AJ....123.1603G von Hippel et al., Pap XI 2002AJ....124.1555V Deliyannis et al., Pap XII 2002ApJ...577L..39D Barnes Pap XIII 2003ApJ...586..464B Barnes Pap XIV 2003ApJ...586L.145B Kafka & Honeycutt, Pap XV 2003AJ....126..276K Grocholski & Sarajedini, Pap XVI 2003MNRAS.345.1015G Platais et al., Pap XVII 2003AJ....126.2922P, Cat. J/AJ/126/2922 Mathieu et al., Pap XVIII 2004ApJ...602L.121M Sarajedini, et al., Pap XIX 2004AJ....127..991S Kafka et al., Pap XX 2004AJ....127.1622K Steinhauer & Deliyannis, Pap XXI 2004ApJ...614L..65S Meibom & Mathieu, Pap XXII 2005ApJ...620..970M von Hippel et al., Pap XXIII 2006ApJ...645.1436V Hole et al. Pap XXIV 2009AJ....138..159H, Cat. J/AJ/138/159 James et al., Pap XXV Platais et al., Pap XXVI 2007A&A...461..509P, Cat. J/A+A/461/509 Kafka et al., Pap XXVII Giampapa et al., Pap XXVIII 2006ApJ...651..444G Meibom et al., Pap XXIX 2006ApJ...653..621M Jeffery et al., Pap XXX 2007ApJ...658..391J Meibom et al., Pap XXXI 2007ApJ...665L.155M Geller et al., Pap XXXII 2008AJ....135.2264G, Cat. J/AJ/135/2264 Yadav et al., Pap XXXIII 2008A&A...484..609Y, Cat. J/A+A/484/609 Meibom et al., Pap XXXIV 2009ApJ...695..679M, Cat. J/ApJ/695/679 Platais et al., Pap XXXV 2008MNRAS.391.1482P, Cat. J/MNRAS/391/1482 Geller et al., Pap XXXVI 2009AJ....137.3743G, Cat. J/AJ/137/3743 Meibom et al., Pap XXXVII 2009AJ....137.5086M, Cat. J/AJ/137/5086 Geller et al., Pap XXXVIII 2010AJ....139.1383G, Cat. J/AJ/139/1383 Anthony-Twarog et al., Pap XXXIX 2010AJ....139.2034A, Cat. J/AJ/139/2034 Sarajedini et al., Pap XL 2009ApJ...698.1872S Chumak et al., Pap XLI 2010MNRAS.402.1841C Casetti-Dinescu et al., Pap XLII 2010AJ....139.1889C James et al., Pap XLIII 2010A&A...515A.100J, Cat. J/A+A/515/A100 Platais et al., Pap XLIV 2011MNRAS.413.1024P, Cat. J/MNRAS/413/1024 Meibom et al., Pap XLV 2011ApJ...733..115M, Cat. J/ApJ/733/115 Platais et al., Pap XLVI 2011ApJ...733L...1P Gosnell et al., Pap XLVII 2012ApJ...745...57G Geller & Mathieu , Pap XLVIII 2012AJ....144...54G Platais et al., Pap XLIX 2012ApJ...751L...8P Cummings et al., Pap L 2012AJ....144..137C Geller et al., Pap LI 2013AJ....145....8G Yang et al., Pap LII 2013ApJ...762....3Y Sandquist et al., Pap LIII 2013ApJ...762...58S Anthony-Twarog, Pap LIV 2013ApJ...767L..19A Platais et al., Pap LV 2013AJ....146...43P, Cat. J/AJ/146/43 Pap LVI Maderak et al., Pap LVII 2013AJ....146..143M Pap LVIII Tofflemire et al., Pap LIX 2014AJ....148...61T, Cat. J/AJ/148/61 Milliman et al., Pap LX 2014AJ....148...38M, Cat. J/AJ/148/38 Anthony-Twarog et al., Pap LXI 2014AJ....148...51A, Cat. J/AJ/148/51 Thompson et al., Pap LXII 2014AJ....148...85T, Cat. J/AJ/148/85 Maderak et al., Pap LXIII 2015AJ....149..141M Pap LXIV Lee-Brown et al., Pap LXV 2015AJ....149..121L, Cat. J/AJ/149/121 Leiner et al., Pap LXVI 2015AJ....150...10L, Cat. J/AJ/150/10 Geller et al. Pap LXVII 2015AJ....150...97G, cat. J/AJ/150/97 Pap LXVIII Pap LXIX Pap LXX Milliman et al., Pap LXXI 2016AJ....151..152M, cat. J/AJ/151/152 Anthony-Twarog et al., Pap LXXII 2016AJ....152..192A, cat. J/AJ/152/192
(End) Patricia Vannier [CDS] 25-Jun-2010
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