J/BaltA/19/63       IC 361 Vilnius photometry              (Zdanavicius+, 2010)

Multicolor CCD photometry of the open cluster IC 361. Zdanavicius J., Bartasiute S., Boyle R.P., Vrba F.J., Zdanavicius K. <Baltic Astron., 19, 63-94 (2010)> =2010BaltA..19...63Z 2010BaltA..19...63Z
ADC_Keywords: Clusters, open ; Photometry, Vilnius Keywords: stars: fundamental parameters - Galaxy: open clusters: individual: IC361 Abstract: CCD photometry in the eight-color Vilnius + I system for 7250 stars down to I=19.6mag has been obtained in the 20'x26' field of the open cluster IC361 in Camelopardalis. The catalog of 1420 stars down to V∼18.5mag is presented. It contains the coordinates, V magnitudes, seven color indices, quantitative photometric spectral types, absolute magnitudes and distances. The interstellar extinction is found to be non-uniform across the field, with the values of AV in the range 1.9 to 2.4mag. The distribution of distance moduli of individual stars shows that the cluster is located as far as, or just beyond, the Perseus spiral arm. Description: CCD observations in seven filters U,P,X,Y,Z,V,S of the Vilnius system plus the filter I of the Cousins system were carried out in December of 1999 with a 2K CCD camera on the 1m telescope of the USNO Flagstaff Station (Arizona), which gives a field of the diameter of 20'. Repeated observations in the Vilnius filters were done with the same telescope and a new 2Kx2K CCD camera in March of 2009. During the latter run we have obtained well-calibrated CCD data only for filters Y, Z, V, S, since observations through the remaining three filters on the succeeding night were curtailed by cirrus clouds. Additional frames in the Vilnius filters U,Y,V were taken for the central part of the field (12'x12') in December of 2008 with a 4K CCD camera on the 1.8m Vatican Advanced Technology Telescope (VATT) on Mt. Graham (Arizona). File Summary: -------------------------------------------------------------------------------- FileName Lrecl Records Explanations -------------------------------------------------------------------------------- ReadMe 80 . This file table3.dat 99 1420 Results of photometry, photometric classification, interstellar extinctions and distances for stars in the IC 361 area -------------------------------------------------------------------------------- Byte-by-byte Description of file: table3.dat -------------------------------------------------------------------------------- Bytes Format Units Label Explanations -------------------------------------------------------------------------------- 1- 4 I4 --- Seq [1/1420] Sequential number 6 I1 h RAh Right ascension (J2000) 8- 9 I2 min RAm Right ascension (J2000) 11- 14 F4.1 s RAs Right ascension (J2000) 16 A1 --- DE- Declination sign (J2000) 17- 18 I2 deg DEd Declination (J2000) 20- 21 I2 arcmin DEm Declination (J2000) 23- 24 I2 arcsec DEs Declination (J2000) 26- 30 F5.2 mag Vmag Vilnius V magnitude 31- 32 A2 --- u_Vmag [: ] Uncertainty flag on Vmag 34- 37 F4.2 mag U-V ?=- Vilnius U-V colour index 38- 39 A2 --- u_U-V [: ] Uncertainty flag on U-V 41- 44 F4.2 mag P-V ?=- Vilnius P-V colour index 45- 46 A2 --- u_P-V [: ] Uncertainty flag on P-V 48- 51 F4.2 mag X-V ?=- Vilnius X-V colour index 52 A1 --- u_X-V [: ] Uncertainty flag on X-V 54- 57 F4.2 mag Y-V ?=- Vilnius Y-V colour index 58 A1 --- u_Y-V [: ] Uncertainty flag on Y-V 60- 63 F4.2 mag Z-V ?=- Vilnius Z-V colour index 64 A1 --- u_Z-V [: ] Uncertainty flag on Z-V 66- 69 F4.2 mag V-S ?=- Vilnius V-S colour index 70- 71 A2 --- u_V-S [: ] Uncertainty flag on V-S 73- 76 F4.2 mag V-I ?=- Vilnius V-I colour index 77 A1 --- u_V-I [: ] Uncertainty flag on V-I 79- 89 A11 --- SpType Photometric spectral type 91- 94 F4.2 mag AV [0/4.2]? Absorption in V band 96- 99 I4 pc Dist [156/9250]? Photometric distance -------------------------------------------------------------------------------- History: From electronic version of the journal
(End) Patricia Vannier [CDS] 10-Mar-2015
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