II/217 Photoelectric observations of Cepheids in UBV(RI)c (Berdnikov, 1997)
Photoelectric observations of Cepheid variables in UBV(RI)c
Berdnikov L.N.
<Sternberg Astronomical Institute, Moscow (1997)>
ADC_Keywords: Stars, variable ; Photometry, UBVRI
Description:
Observations are listed in alphabetical order of the constellations.
The standard deviation for every magnitude and color is 0.01 mag.
File Summary:
--------------------------------------------------------------------------------
FileName Lrecl Records Explanations
--------------------------------------------------------------------------------
ReadMe 80 . This file
stars.dat 74 478 Cepheid positions and magnitudes (from Simbad)
table.dat 68 35088 Observations of Cepheids
refs.dat 57 49 References for table
--------------------------------------------------------------------------------
Byte-by-byte Description of file: stars.dat
--------------------------------------------------------------------------------
Bytes Format Units Label Explanations
--------------------------------------------------------------------------------
1- 9 A9 --- Name Object name
15- 16 I2 h RAh Right ascension (J2000.0)
18- 19 I2 min RAm Right ascension (J2000.0)
21- 24 F4.1 s RAs Right ascension (J2000.0)
26 A1 --- DE- Declination sign (J2000.0)
27- 28 I2 deg DEd Declination (J2000.0)
30- 31 I2 arcmin DEm Declination (J2000.0)
33- 34 I2 arcsec DEs Declination (J2000.0)
38- 42 F5.2 mag Bmag ? B magnitude at maximum
44- 48 F5.2 mag Vmag ? V magnitude at maximum
50- 62 A13 --- SpType MK spectral type
64- 74 F11.7 d Per ? Period from GCVS, Cat. II/214
--------------------------------------------------------------------------------
Byte-by-byte Description of file: table.dat
--------------------------------------------------------------------------------
Bytes Format Units Label Explanations
--------------------------------------------------------------------------------
1- 9 A9 --- Name Name of Cepheid
11- 22 F12.4 d JD [2444467/2549336] Date
24- 29 F6.3 mag Vmag [-0.93/16.0]? V (Johnson) magnitude
32- 36 F5.3 mag U-B ? U-B (Johnson) color
39- 43 F5.3 mag B-V ? B-V (Johnson) color
46- 50 F5.3 mag V-Rc ? (V-R)c (Cousins) color
53- 57 F5.3 mag V-Ic ? (V-I)c (Cousins) color
60- 64 F5.3 mag R-Ic ? (R-I)c (Cousins) color
66- 68 I3 --- Ref Reference number, detailed in file "refs.dat"
--------------------------------------------------------------------------------
Byte-by-byte Description of file: refs.dat
--------------------------------------------------------------------------------
Bytes Format Units Label Explanations
--------------------------------------------------------------------------------
1- 3 I3 --- Ref Ref number
5- 23 A19 --- BibCode BibCode
25- 57 A33 --- Aut Author's name
--------------------------------------------------------------------------------
History:
* 20-Jan-1997: Original version, prepard by Veta Avedisova [INASAN]
* 10-Apr-2008: Labels of colors (R-I)c and (V-I)c exchanged.
(End) Veta Avedisova [INASAN] 20-Jan-1997