J/A+A/431/773 CHARM2, an updated of CHARM catalog (Richichi+, 2005)
CHARM2: an updated Catalog of High Angular Resolution Measurements.
Richichi A., Percheron I., Khristoforova M.
<Astron. Astrophys. 431, 773 (2005)>
=2005A&A...431..773R 2005A&A...431..773R
ADC_Keywords: Stars, diameters ; Interferometry
Keywords: techniques: high angular resolution - techniques: interferometric -
catalogs - occultations - stars: binaries: general -
stars: fundamental parameters
Abstract:
We present an update of the Catalog of High Angular Resolution
Measurements (CHARM, Richichi & Percheron, 2002, Cat.
J/A+A/386/492), which includes results available until July 2004.
CHARM2 is a compilation of direct measurements by high angular
resolution methods, as well as indirect estimates of stellar
diameters. Its main goal is to provide a reference list of sources
which can be used for calibration and verification observations with
long-baseline optical and near-IR interferometers. Single and binary
stars are included, as are complex objects from circumstellar shells
to extragalactic sources. The present update provides an increase of
almost a factor of two over the previous edition. Additionally, it
includes several corrections and improvements, as well as a
cross-check with the valuable public release observations of the ESO
Very Large Telescope Interferometer (VLTI). A total of 8231 entries
for 3238 unique sources are now present in CHARM2. This represents an
increase of a factor of 3.4 and 2.0, respectively, over the contents
of the previous version of CHARM.
File Summary:
--------------------------------------------------------------------------------
FileName Lrecl Records Explanations
--------------------------------------------------------------------------------
ReadMe 80 . This file
charm2.dat 466 8231 A Catalogue of High Angular Resolution Measurements
Update
refs.dat 264 248 References
--------------------------------------------------------------------------------
See also:
II/224 : Catalogue of Stellar Diameters (CADARS) (Pasinetti-Fracassini+ 2001)
http://www.eso.org/~arichich/download/charm/ : CHARM home page
J/A+A/386/492 : CHARM (Richichi, 2002)
Byte-by-byte Description of file: charm2.dat
--------------------------------------------------------------------------------
Bytes Format Units Label Explanations
--------------------------------------------------------------------------------
1- 4 I4 --- N Sequential order in the table (index fixed at
the time of release)
6- 22 A17 --- Source *Name of the source
24 A1 --- VLTI *[Y] Presence of VLTI observations
26- 29 A4 --- Type *Type of source (Bin, Cal, Com, Diam, UR)
31- 54 A24 --- Id1 Cross-identification
55- 78 A24 --- Id2 Cross-identification
80-103 A24 --- Id3 Cross-identification
105-129 A25 --- Id4 Cross-identification
131-135 A5 --- Method *Method of observation
137-142 A6 --- Lambda *Wavelength of observation
144-149 F6.2 mas UD *? Uniform disk angular diameter
151-155 F5.2 mas e_UD ? Mean error on UD
157-161 F5.2 mas ULUD *? Upper limit for Uniform disk diameter
163-168 F6.2 mas LD *? Limb-darkened angular diameter
170-173 F4.2 mas e_LD ? Mean error on LD
175 A1 --- l_Shell Limit flag on Shell
176-181 F6.1 mas Shell *? Circumstellar shell
182-185 A4 --- n_Shell Note on Shell (Y, Y? or 20x3)
187-192 F6.1 mas Sep *? Binary: separation
196-200 F5.1 deg PA *? Binary: position angle
202-206 F5.1 --- Ratio *? Binary: Brightness ratio
207 A1 --- --- [-]
208 I1 --- Ratio2 ? Upper limit of brightness ratio
209-210 A2 --- n_Ratio2 [2m]
212-213 A2 --- Bin *Binary: type
215-331 A117 --- Com Comments extracted from the reference or
inserted by the catalogue compiler
333-334 I2 h RAh Right Ascension J2000
336-337 I2 min RAm Right Ascension J2000
339-344 F6.3 s RAs Right Ascension J2000
346 A1 --- DE- Declination sign (J2000)
347-348 I2 deg DEd Declination (J2000)
350-351 I2 arcmin DEm Declination (J2000)
353-357 F5.2 arcsec DEs Declination (J2000)
359-366 F8.5 arcsec/yr pmRA Proper motion in right ascension
368-376 F9.6 arcsec/yr pmDE Proper motion in declination
378-382 F5.2 mag Bmag *? B magnitude
384-388 F5.2 mag Vmag *? V magnitude
390-394 F5.2 mag Kmag *? K magnitude (2.2um)
396 A1 --- f_Kmag *Code for Kmag
398-404 F7.2 Jy 12um *?Flux at 12um
406 A1 --- f_12um *?Code for 12um flux
408-420 A13 -- SpType *?MK Spectral class
421-424 A4 --- Var *?Variability note
426-431 F6.2 mas Plx *?Parallax
433-438 F6.1 km/s RV *?Radial velocity
440-448 A9 --- ref(1) References, in refs.dat file
450-458 A9 --- ref(2) References, in refs.dat file
460-468 A9 --- ref(3) References, in refs.dat file
--------------------------------------------------------------------------------
Note on Source:
The name is chosen arbitrarily, although care has been taken to use
the designation of the original paper from which the source was
extracted (lowercase, stripped of ± and special symbols).
Note on VLTI:
A flag "Y" means that the source has been observed by the VLTI and the data
are public.
Note on Type:
A short abbreviation to identify the type of the source as follows:
UR = Unresolved (upper limit may be given)
Diam = Stellar diameter resolved
Bin = Binary or multiple star
Com = Complex sources, e.g. shell, binary + diameter, etc.
Cal = Calibrator
Note on Method:
This code identifies the method of observation used, as follows:
LO = Lunar Occultation
LBI = Long-Baseline Interferometry
SPE = Speckle Interferometry (all methods)
Radio = Radio Measurements (incl. mm,, sub-mm)
EST = Estimated diameter
AM = Aperture Masking
FGS = HST Fine Guidance Sensors
IND = Indirect Methods (Spectrophotometry)
For the update in CHARM2, only LO, LBI, IND were added.
Note on Lambda:
The wavelength appears if given in the paper. This is listed in
different ways, depending on the type of measurement:
- one or two numbers, in which case it means {lambda) (and width)
in µm;
- a filter type. The usual standard photometric names apply
(for instance: V, K, N)
- a symbol, for special or narrow filters. Examples can be: CVF
(Circular Variable Filter, i.e. a narrow bandwidth filter used
in the near-IR), H?, Br?.
- "mult" indicates that the observations has been carried out at
multiple wavelengths simultaneously.
New additions in CHARM2 are restricted to the visual and near Infrared
Note on UD, ULUD:
Uniform disk angular diameter, if available, as reported in the paper.
The entries for the angular diameter and the upper limit should be
mutually exclusive, and the error is not always given.
Note on LD:
Limb-darkened angular diameter, if available, as reported in the paper.
Note on Shell:
Marks the presence of a circumstellar shell, either as a flag "Y", or
with a characteristic size in mas.
Note on Sep:
This, and the next four fields, refer to binary or multiple stars.
Separation in mas, as reported in the reference. For LO measurements,
this is often only the projected separation along the occultation PA.
In case of multiplicity (triple and higher), only one entry is
reported, without a specific rule. In general, the result listed is
the one which constituted the specific contribution of the
corresponding reference.
Note on PA:
This can be the true position angle, or the angle of the projection in
case of 1- D measurements such as is in general the case for LO. In
case of a multiple star, only one entry is present and the same
considerations apply as for sep.
Note on Ratio:
Brightness ratio (brighter to fainter), at the observation wavelength
as reported in lambda and/or in the corresponding reference. In case
of a multiple star, only one entry is present and the same
considerations apply as for sep.
Note on Bin:
The type of binary. Codes are: D (double), T (triple), Q (quadruple),
M (multiple, i.e. triple or higher), ND (not detected, in case of a
source reported as binary or multiple in the literature). S indicates
a single star (the binary star is disclaimed, typically due to poor
observations), SP a spectroscopic binary. D? indicates that the binary
is doubtful. A missing Type entry implicitly indicates a double star.
Note on Bmag, Vmag, SpType, Var, Plx, RV:
mostly extracted from the Simbad data-base
Note on Kmag, f_Kmag:
The Kmag have been revised and are extracted from the following sources:
d: J/A+A/413/1037 (J-K DENIS photometry of bright southern stars
(Kimeswenger+ 2004)),
m: 2MASS,
b: J/A+A/393/183 (Catalogue of calibrator stars for LBSI (Borde+, 2002))
c: CHARM.
Note on 12um, f_12um:
The 12um fluxes are extracted from:
m: MSX catalog,
none: IRAS-PSC.
--------------------------------------------------------------------------------
Byte-by-byte Description of file: refs.dat
--------------------------------------------------------------------------------
Bytes Format Units Label Explanations
--------------------------------------------------------------------------------
1- 9 A9 --- Ref Reference code
14- 32 A19 --- BibCode BibCode
34- 60 A27 --- Aut Author's name
61-263 A203 --- Com Comments
--------------------------------------------------------------------------------
Acknowledgements: Andrea Richichi, arichich(at)eso.org
(End) Patricia Vannier [CDS] 28-Oct-2004