VII/206 General Photometry of Galaxies (Prugniel+ 1998)
Total magnitude, radius, color indices, color gradients and
photometric type of galaxies
Prugniel P., Heraudeau P.
<Astron. Astrophys. Suppl. Ser. 128, 299 (1998)>
=1998A&AS..128..299P 1998A&AS..128..299P
ADC_Keywords: Galaxy catalogs ; Galaxies, photometry
Keywords: galaxies: fundamental parameters - galaxies: general -
galaxies: photometry
Abstract:
The tables presented here give the catalogue of aperture photometry of
galaxies (UBVRI), the associated bibliography, the weight and
systematic corrections applied to individual datasets. A table give
the results of the growth curve fits; the net of curves adopted is a
linear interpolation between the de Vaucouleurs (r1/4) and
exponential laws.
This aperture photometry has three different origins:
(i) an update of the catalogue of Buta et al. 1995 (Cat. J/AJ/109/517)
(ii) published photometric profiles and
(iii) aperture photometry performed on CCD images.
Fitting growth curves to aperture photometry of galaxies, in UBVRI, we
derive (1) the total magnitude, (2) the effective radius,
(3) the color indices and (4) gradients and (5) the photometric type
of 5066 galaxies. The photometric type is defined to statistically
match the revised morphologic type (numerically coded from -6 to +10)
and represents the shape of the growth curve.
The catalogue is maintained up-to-date in the database HYPERCAT
(http://www-obs.univ-lyon1.fr/~prugniel/cgi-bin/hypercat/).
This catalogue supersedes the Longo and de Vaucouleurs (1983)
catalogue VII/167.
File Summary:
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FileName Lrecl Records Explanation
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ReadMe 80 . This file
table1.dat 70 114356 Catalogue of aperture photometry
table2.dat 176 468 Bibliographic references for table1.dat
table3.dat 94 444 Weights and systematic corrections to be
applied to data in table1.dat
table4.dat 170 7288 Derived photometric parameters for the
sample's galaxies
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See also:
J/A+A/309/749 : Fundamental plane of early type galaxies (Prugniel+ 1996)
J/A+AS/127/117 : Kinematics of galaxies (Prugniel+ 1998)
J/A+AS/132/255 : A catalogue of Mg2 indices (Golev+ 1998)
http://www-obs.univ-lyon1.fr/hypercat/ : Hypercat database
Other catalogues with similar data:
J/AJ/109/517 : Photoelectric types of bright galaxies (Buta+ 1995)
VII/155 : RC3
VII/167 : Longo & De Vaucouleurs (1983)
Byte-by-byte Description of file: table1.dat
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Bytes Format Units Labels Explanation
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1- 12 A12 --- Name *Galaxy identifier
14 A1 --- Type *[GN*M] Object type
15 I1 --- StarN [1/5]? Number of the star if Type=*
16 A1 --- f_Imag *[CLNU] Identification flag
17 I1 --- f_Rmag *[0/1] Rejection flag
18 A1 --- Method *[DSPI] Measurement method
21- 25 F5.2 [0.1arcmin] logA *? Size of the circular aperture
27- 32 A6 --- Dataset Dataset name detailed in table2.dat
34- 38 F5.2 mag Vmag ? Aperture magnitude in V (Johnson)
39 A1 --- u_Vmag *Uncertainty on Vmag (: = uncertain)
40 A1 --- n_Vmag *[BU] V color
41- 45 F5.2 mag B-V ? B-V (Johnson)
46 A1 --- u_B-V Uncertainty on B-V (: = uncertain)
47 A1 --- n_B-V *[U ] B-V color
48- 52 F5.2 mag U-B ? U-B (Johnson)
53 A1 --- u_U-B Uncertainty on U-B (: = uncertain)
55- 59 F5.2 mag Rmag ? R magnitude in the Rsyst system
60 A1 --- u_Rmag Uncertainty on Rmag (: = uncertain)
61 A1 --- n_Rmag *[CGJV ] Magnitude system
64- 68 F5.2 mag Imag ? I magnitude in the I_syst system
69 A1 --- u_Imag Uncertainty on Imag (: = uncertain)
70 A1 --- n_Imag *[CJ ] Magnitude system
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Note on Name:
The Name has been adopted by descending the hierarchy:
1) NGC (Cat. VII/118)
2) IC (Cat. VII/118)
3) UGC (Cat. VII/26) or ESO (Cat. VII/34)
4) PGC (Cat. VII/119) Lyon-Meudon Extragalactic Database internal
identifier, also acronimed PGC for numbers greater than 73097.
The objects left unfolded into this hierarchy are designated as in
the original reference, or by their coordinates: Arrrrrrsdddddd.
The galaxy identifiers follow the rule already used in Prugniel &
Simien 1996 (J/A+A/309/749) and in Prugniel et al. 1998
(J/A+AS/127/117).
Note on Type:
G Galaxy
N Not a galaxy (e.g. nebula or cluster)
*# foreground star included in the aperture, # is the number of the star
M Multiple; the aperture encompasses more than one object
Note on f_Imag:
U Uncertain identification
L Cross identified in leda
C Identified by coordinates
N Not recognized
Note on f_Rmag:
0 Standard measurement
1 Interactively marqued to be rejected because it departs
from the growth curve
Note on Method:
D Diaphram; Photoelectric photometry
S Star count
P Simulated aperture photometry from a photometric profile
I Aperture measurement on an image
Note on logA:
Decimal logarithm of the aperture diameter in 0.1 arcmin
Note on u_Vmag:
All the uncertainty notes come from original publications
Note on n_Vmag:
B The magnitude in the V field in B (Johnson)
U The magnitude in the V field in U (Johnson)
Note on n_B-V:
U The index in B-V field is U-V (Johnson)
Note on n_Rmag, n_Imag:
The colour system for the R and I bands is coded as:
J Johnson
C Cousins
V Sandage-Visvanathan
G Gunn
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Byte-by-byte Description of file: table2.dat
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Bytes Format Units Labels Explanation
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1- 6 A6 --- Dataset Dataset name as in table1.dat and table3.dat
8- 26 A19 --- Bibcode CDS/ADS reference code
27-176 A150 --- Text Bibliographic reference
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Byte-by-byte Description of file: table3.dat
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Bytes Format Units Labels Explanation
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1- 6 A6 --- Dataset Dataset name detailed in table2.dat
7- 13 F7.2 mag Rres Mean residual in B (unweighted)
14- 19 F6.2 mag e_Rres rms uncertainty on Rres
20- 24 F5.0 --- Nmeas ? Number of measurements used for this reference
25- 30 F6.2 mag Wres Mean residual in B (after weighting)
31- 36 F6.2 mag e_Wres rms uncertainty on Wres (after weighting)
37- 42 F6.1 --- o_Wres weighted number of measurements
43- 48 F6.2 mag Bcorr *Correction on B magnitude
49- 54 F6.2 mag Vcorr *Correction on V magnitude
55- 60 F6.2 mag Rcorr *Correction on R magnitude
61- 66 F6.2 mag Icorr *Correction on I magnitude
67- 72 F6.2 mag Ucorr *Correction on U magnitude
73- 78 F6.2 --- WG Global weight for this reference
79- 84 F6.2 --- WZ Zero point weight
85- 89 I5 --- Ngal Number of galaxies observed in this ref.
90- 94 F5.2 --- WD Density sampling weight
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Note on Bcorr:
Corrected magnitude = (measure in table1.dat) - (correction in table3.dat)
Note on Vcorr:
Corrected magnitude = (measure in table1.dat) - (correction in table3.dat)
Note on Rcorr:
Corrected magnitude = (measure in table1.dat) - (correction in table3.dat)
Note on Icorr:
Corrected magnitude = (measure in table1.dat) - (correction in table3.dat)
Note on Ucorr:
Corrected magnitude = (measure in table1.dat) - (correction in table3.dat)
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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- 11 A11 --- Name *Galaxy identifier
12- 13 I2 h RAh Right ascension (1950.0)
14- 15 I2 min RAm Right ascension (1950.0)
16- 19 F4.1 s RAs [0/60] Right ascension (1950.0)
20 A1 --- DE- Declination sign
21- 22 I2 deg DEd Declination (1950.0)
23- 24 I2 arcmin DEm Declination (1950.0)
25- 26 I2 arcsec DEs Declination (1950.0)
28- 32 F5.2 mag Bt Asymptotic magnitude in B
34- 39 F6.2 mag/arcsec2 SBe Mean surface brightness within the
effective aperture
41- 46 F6.3 mag e1 Residual 1-sigma error on Bt
48- 53 F6.3 [0.1arcmin] e2 *1-sigma error on log(Ae)
55- 60 F6.3 mag e3 Effect of e2 on Bt
62- 67 F6.3 --- e4 1-sigma error on Tphot
69- 74 F6.3 mag e5 Effect of e4 on Bt
76- 80 F5.2 mag B-Ve ?=9.99 mean B-V within effective aperture
82- 86 F5.3 mag e_B-Ve ?=9.99 1-sigma error on B-Ve
88- 93 F6.3 --- gB-V ?=9.99 Color gradient in B-V
95- 99 F5.2 mag U-Be ?=9.99 mean U-B within effective aperture
101-105 F5.3 mag e_U-Be ?=9.99 1-sigma error on U-Be
107-112 F6.3 --- gU-B ?=9.99 Color gradient in U-B
114-118 F5.2 mag V-Re ?=9.99 mean V-R within effective aperture
120-124 F5.3 mag e_V-Re ?=9.99 1-sigma error on V-Re
126-131 F6.3 --- gV-R ?=9.99 Color gradient in V-R
133-137 F5.2 mag V-Ie ?=9.99 mean V-I within effective aperture
139-143 F5.3 mag e_V-Ie ?=9.99 1-sigma error on V-Ie
145-150 F6.3 --- gV-I ?=9.99 Color gradient in V-I
152-154 I3 --- Nap ?=9.99 Number of aperture available
156-160 F5.2 [0.1arcmin] LastA log(A)-log(Ae) of the last used Ap
162-166 F5.1 --- Tphot Photometric type
168 I1 --- Mode [0-1] Mode
170 I1 --- Q [0-6] Quality flag
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Note on Name:
The Name has been adopted by descending the hierarchy:
1) NGC (Cat. VII/118)
2) IC (Cat. VII/118)
3) UGC (Cat. VII/26) or ESO (Cat. VII/34)
4) PGC (Cat. VII/119) Lyon-Meudon Extragalactic Database internal
identifier, also acronimed PGC for numbers greater than 73097.
The objects left unfolded into this hierarchy are designated as in
the original reference, or by their coordinates: Arrrrrrsdddddd.
The galaxy identifiers follow the rule already used in Prugniel &
Simien 1996 (J/A+A/309/749) and in Prugniel et al. 1998
(J/A+AS/127/117).
Note on e2:
log(Ae) is the logarithm of the effective aperture in 0.1 arcmin
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Acknowledgements: Philippe Prugniel prugniel(at)galaxies.univ-lyon1.fr
History:
* 17-Feb-2002: Corrected 68 signs of the declination in table4 between
-00 and -01 degrees -- all galaxies between -1 and +1 degrees had
originally a positive sign (Francois Ochsenbein, CDS). In table4
description, the equinox of the position was erroneously reported as
2000; it was changed to 1950
(End) Philippe Prugniel [Obs. Lyon] 09-Mar-1998