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V/5A Colours, Luminosities, and Motions Nearer K-M Giants (Eggen 1966)
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Colours, Luminosities, and Motions of the Nearer Giants of Types K and M
Eggen O.J.
<Royal Obs. Bull. No. 125 (1966)>
=1966QB4.G85n125....
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ADC_Keywords: Colors; Space velocities; Stars, giant; Stars, late-type
Description:
The data compilation Colours, Luminosities and Motions of the Nearer
Giants of Types of K and M (Eggen 1966) contains all stars in the
Yale Catalogue of Bright Stars (Hoffleit 1964) that have visual
magnitudes brighter than 5.5 and that have been observed to have B-V
redder than +0.8 mag, with the exception of a few K-type dwarfs. In
addition to mostly K- and M-type giants, a few subgiants and
supergiants are included. The data result from some 1600
photoelectric observations of 600 stars with the 50.8-cm reflector
of the Hale Observatories. Approximately one-third of the stars had
been observed at the Cape Observatory (Cousins and Stoy 1963).
Although spectral types are given in the published catalog, they
were taken from a variety of sources, are very inhomogeneous, and
are not included in this catalog.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
giantkm.dat 72 1012 Catalog Data
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Byte-by-byte Description of file: giantkm.dat
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Bytes Format Units Label Explanations
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1- 4 I4 --- HR HR number from the Yale Catalogue of
Bright Stars (Hoffleit 1964).
5- 6 A2 --- HR2 A slash (/) and additional digit if
a second HR star is included in the
measurements.
7 A1 --- flag1 An asterisk (*) is present if there are
remarks in the published catalog.
9- 13 I5 --- GCRV GCRV number in the General Catalogue of
Stellar Radial Velocities (Wilson 1953).
14- 15 A2 --- GCRV2 A slash and additional digit if a
GCRV star is included in the value given
19- 23 F5.2 mag V ? Photoelectric V(E) magnitude. The
precision varies within the data field.
24 A1 --- flag2 A "v" if the magnitude is variable;
a colon (:) for uncertainty. If the
magnitude given is considered to be
a maximum, a code M is given in byte 46.
27- 31 F5.2 mag B-V ? B-V color. The precision varies.
32 A1 --- flag3 uncertainty flag: colon (:) for
uncertainty, "V" for variable.
35- 39 F5.2 mag U-B ? U-B color. The precision varies.
40 A1 --- flag4 U-B flag (see byte 32). A question mark (?)
is present if the value is surrounded by
parentheses in the published table.
44- 45 I2 --- ObsNum ? Number of observations, n, for UBV data.
46 A1 --- UBVcode *Code for UBV measurements
48- 51 F4.1 mag M(V) ? Absolute visual magnitude, M(V), taken from
various sources, as indicated by the codes
in bytes 53-54. Precision varies.
52 A1 --- flag5 *Flag for M(V)
53- 54 A2 --- Source *Source of M(V)
58 A1 --- u- Sign of U component
59- 61 I3 km/s u ? U component of the space velocity
relative to Sun.
62 A1 --- u_u Colon if U uncertain.
63 A1 --- v- Sign of V component
64- 66 I3 km/s v ? V component of the space velocity
67 A1 --- u_v Colon (:) if V uncertain.
68 A1 --- w- Sign of W component
69- 71 I3 km/s w ? W component of the space velocity
72 A1 --- u_w Colon (:) if W uncertain.
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Note on UBVcode:
Code for UBV measurements
C observed at the Cape Observatory (Cousins and Stoy 1963)
H observed with the 100" telescope (no number of observations given)
M variable magnitude reported is considered to be a maximum value
for the variable star
Note on flag5:
Flag for M(V):
: M(V) uncertain
? M(V) very uncertain
No source is given for very uncertain values, nor for many of the
other values quoted (53-54 blank).
Note on Source:
Source of M(V), as denoted by the following codes:
Cp available photometry of common proper-motion companion used to obtain
distance moduli and luminosities
H luminosity derived from probable membership in the Hyades group
Tr not defined in source reference
W Calibration of M(V) (W) used to derive M(V) (see page E152 of
source reference)
* values obtained by Gyldenkerne (1964) from photoelectrically
determined luminosity parameters
The source is not defined in the absence of a code.
REMARKS, AND MODIFICATIONS:
The original ADC documentation by Warren, Jr. (1986) was used to generate
this ReadMe file.
The data compilation Colours, Luminosities and Motions of the Nearer Giants
of Types K and M was received on magnetic tape from the Centre de Donnees
Astronomique, Strasbourg (CDS) on 9 July 1980. Text records at the
beginning of the original file indicated that the data were punched in 1972
November at the Kanazawa Institute of Technology. The following
modifications were made to the data file to standardize the format, to make
the data easier to machine process (e.g., to separate character and
numerical data fields) and to effect closer agreement between the published
table and the machine format.
1. A catalog number "5005A74" assigned by the CDS was removed from the
beginning of each record. Thirty-two text records containing a column
(not byte) description and possible format for reading the data were
removed entirely from the file, since their presence would have made
the file more complicated to machine process and not sortable.
2. The remarks flag (byte 7) was moved from byte 5 so that it always occurs
in the same position. This was previously not the case because of the
data in bytes 5-6.
3. Decimal points were added to all V(E), B-V, U-B and M(V) data,
the variability indicator "V" for V(E) was changed to lowercase "v",
and plus signs were added to all positive values of B-V, U-B, M(V), U,
V, and W.
4. The code "C" for number of observations was moved from byte 45 to
byte 46 (to remove it from the numerical field) and the codes "H"
and "M" for 100" and "max." occurring in the published table, were
added.
5. The question mark for M(V) was moved from one of the sources bytes
(53) to byte 52 to isolate it from the sources codes. The M(V) source
codes CP and TR were changed to Cp and Tr, respectively, to agree with
the published table.
6. The last five stars (HR 9066-9089) were missing from the file --
these were added.
A few errors were found in the data during the course of this work and have
been corrected, but the machine version has not been proofread. Therefore,
if unusual values are found in the machine version, they should be checked
against the published table before any interpretation is made.
References:
Cousins, A. W. J. and Stoy, R. H. 1963, unpublished.
Eggen, O. J. 1966, Roy. Obs. Bull. No. 125.
Gyldenkerne, K. 1964, Mat. Fys. Skr. Dan. Vid. Selsk. 2, No. 9.
Hoffleit, D. 1964, Yale Catalogue of Bright Stars, 3rd edition (New Haven:
Yale University Observatory).
Wilson, R. E. 1953, General Catalogue of Stellar Radial Velocities, Carnegie
Inst. of Washington Publ. 601 (Washington: Carnegie Institution).
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(End) C.-H. Joseph Lyu [Hughes STX/NASA] 16-Aug-1995