J/A+AS/145/451 Nearby globular clusters photometric catalog (Rosenberg+, 2000)
Photometric catalog of nearby globular clusters.
II. A large homogeneous (V,I) color-magnitude diagram data-base.
Rosenberg A., Aparicio A., Saviane I., Piotto G.
<Astron. Astrophys. Suppl. Ser., 145, 451-465 (2000)>
=2000A&AS..145..451R 2000A&AS..145..451R
ADC_Keywords: Clusters, globular ; Photometry, UBVRI ; Radial velocities ;
Abundances, [Fe/H]
Keywords: astronomical data base: miscellaneous - catalogs -
stars: Hertzsprung-Russell (HR) and C-M diagrams -
stars: population II - globular clusters: general
Abstract:
In this paper we present the second and final part of a large and
photometrically homogeneous CCD color-magnitude diagram (CMD) data
base, comprising 52 nearby Galactic globular clusters (GGC) imaged in
the V and I bands.
The catalog has been collected using only two telescopes (one for each
hemisphere).
Description:
The data presented here concerns 39 clusters of southern hemisphere and
13 clusters of northern hemisphere.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1.dat 100 52 Identifications, positional data and metallicity
estimates for the observed clusters
table2.dat 73 52 Photometric Parameters
table3.dat 67 52 Kinematics and Structural Parameters
photom/* . 52 Photometry of individual clusters
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See also:
J/A+AS/144/5 : Nearby globular clusters photometric catalog (Rosenberg+, 2000)
Byte-by-byte Description of file: table1.dat
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Bytes Format Units Label Explanations
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1- 2 I2 --- ID Identification number
4- 11 A8 --- Cluster Cluster name
13- 14 I2 h RAh Right Ascension (J2000)
16- 17 I2 min RAm Right Ascension (J2000)
19- 22 F4.1 s RAs Right Ascension (J2000)
24 A1 --- DE- Declination sign (J2000)
25- 26 I2 deg DEd Declination (J2000)
28- 29 I2 arcmin DEm Declination (J2000)
31- 32 I2 arcsec DEs Declination (J2000)
34- 39 F6.2 deg GLON Galactic longitude
41- 46 F6.2 deg GLAT Galactic latitude
48- 51 F4.1 kpc Rsun Heliocentric distance (1)
53- 56 F4.1 kpc Rgal Galactocentric distance
58- 62 F5.1 kpc X X spatial component (2)
64- 67 F4.1 kpc Y Y spatial component (2)
69- 73 F5.1 kpc Z Z spatial component towards (2)
75- 79 F5.2 --- [Fe/H]z ? Metallicity given in Rutledge et al.
(1997PASP..109..907R 1997PASP..109..907R) on the ZW84
(Zinn & West, 1984ApJS...55...45Z 1984ApJS...55...45Z) scale
81 I1 --- n_[Fe/H]z [1]? 1: [Fe/H] value taken directly from ZW84
84- 88 F5.2 --- [Fe/H]c ? Metallicity given in Rutledge et al.
(1997PASP..109..907R 1997PASP..109..907R) on the Carretta &
Gratton, 1997, Cat. J/A+AS/121/95) scale
90-100 A11 --- FileName Name of the file containing the photometry,
in "photom" subdirectory
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Note (1): Assuming R☉=8.0kpc
Note (2): Spatial components (X,Y,Z) in the Sun-centered coordinate system
(X pointing toward the Galactic center, Y in direction of Galactic
rotation, Z toward North Galactic Pole)
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Byte-by-byte Description of file: table2.dat
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Bytes Format Units Label Explanations
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1- 2 I2 --- ID Identification number
4- 11 A8 --- Cluster Cluster name
13- 16 F4.2 mag E(B-V) Foreground reddening
18- 22 F5.2 mag VHB V magnitude level of the horizontal branch
23 A1 --- n_VHB [*] Note on HB level (1)
25- 29 F5.2 mag (m-M) Apparent visual distance modulus
31- 35 F5.2 mag IntVmag Integrated V magnitude of clusters
37- 42 F6.2 mag VMAG Absolute visual magnitude
44- 47 F4.2 mag U-B ? Integrated U-B color index
49- 52 F4.2 mag B-V ? Integrated B-V color index
54- 57 F4.2 mag V-R ? Integrated V-R color index
59- 62 F4.2 mag V-I ? Integrated V-I color index
64- 67 F4.1 --- S(RR) ? Specific frequency of RR Lyrae variables (2)
69- 73 F5.2 --- HBR ? HB ratio: HBR=(B-R)/(B+V+R) (3)
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Note (1): *: HB levels measured directly on our CMDs.
Note (2): The specific frequency is defined as
S = Ntotal*100.4((MV_+15)^, where
Ntotal is the total population, and MV the absolute V magnitude
(Harris, 1991ApJS..76..115H)
Note (3): Lee (1990ApJ...363..159L 1990ApJ...363..159L), HB ratio: HBR=(B-R)/(B+V+R)
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Byte-by-byte Description of file: table3.dat
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Bytes Format Units Label Explanations
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1- 2 I2 --- ID Identification number
4- 11 A8 --- Cluster Cluster name
14- 19 F6.1 km/s HRV ? Heliocentric radial velocity
21- 23 F3.1 km/s e_HRV ? rms uncertainty on HRV
25- 30 F6.1 km/s RVlsr ? Radial velocity relative to the(LSR)
32- 35 F4.2 --- c ? Concentration parameter (1)
36 A1 --- n_c [c] c: core-collapsed cluster
38- 41 F4.2 arcmin Radc Core radius
43- 46 F4.2 arcmin Radh Core median radius
48- 51 F4.2 [yr] log(tc) Log. of the core relaxation time
53- 56 F4.2 [yr] log(th) ? Log. of core relaxation time at the
half mass radius, rh
58- 62 F5.2 mag/arcsec+2 SuBr Central surface brightness in V
64- 67 F4.2 [solLum/pc+3] rho0 Log. of central luminosity density
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Note (1): c=log(rt/rc), where
rt is the tidal radius and rc the core radius.
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Byte-by-byte Description of file: photom/*
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Bytes Format Units Label Explanations
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1- 5 I5 --- Seq Sequential number in the cluster
7- 14 F8.3 pix xpos X position
16- 23 F8.3 pix ypos Y position
26- 32 F7.4 mag Vmag Johnson V magnitude
36- 41 F6.4 mag e_Vmag rms uncertainty on Vmag
44- 50 F7.4 mag Icmag Cousins I magnitude
54- 59 F6.4 mag e_Icmag rms uncertainty on Icmag
62- 68 F7.4 --- ch ch value (parameter not explained)
70- 77 F8.4 --- sh sh value (parameter not explained)
81- 86 F6.4 --- err error (parameter not explained)
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History:
Copied at http://dipastro.pd.astro.it/globulars/
References:
Rosenberg et al., Paper I 2000A&AS..144....5R 2000A&AS..144....5R, Cat. J/A+AS/144/5
Rosenberg et al., Paper II 1999AJ....118.2306R 1999AJ....118.2306R
Saviane et al., Paper III 2000A&A...355..966S 2000A&A...355..966S
(End) Patricia Vannier [CDS] 22-Jul-2004