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J/A+AS/122/529 Radio stars for linking celestial reference frames (Walter+ 1997)
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Radio stars for linking celestial reference frames
Walter H.G., Hering R., de Vegt C.
<Astron. Astrophys. Suppl. Ser. 122, 529 (1997)>
=1997A&AS..122..529W
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ADC_Keywords: Radio sources
Keywords: catalog - astrometry - reference frames - radio continuum: stars
Abstract:
Radio stars play a key role in establishing the link between optical
reference frames and the conventional celestial reference frame based
on extragalactic radio sources. The relevant astrometric,
astrophysical and radio quantities are compiled of 66 cardinal radio
stars currently suited to frame connection and main tenance of the
link. The catalogue entries are supplied with ample bibliographical
codes and annotations for easy data retrieval.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table.txt 96 2334 The catalog as one printable ascii file.
table1.dat 348 66 Names from Simbad database
table2.dat 68 66 Optical positions
table3.dat 68 61 Radio positions
table4.dat 109 66 Optical and radio proper motions and parallaxes
radial velocities
table5.dat 236 68 Photometry
table6.dat 72 121 Spectral type and luminosity class
table7.dat 148 66 Guide to radio emission and observation priority
refs.dat 346 100 References
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Byte-by-byte Description of file: table1.dat
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Bytes Format Units Label Explanations
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1- 4 I4 --- No Star number
7- 18 A12 --- Name1 Name from Simbad database
20- 33 A14 --- Name2 Other name from Simbad database
35- 49 A15 --- Name3 Other name from Simbad database
52- 67 A16 --- Name4 Other name from Simbad database (1)
69- 84 A16 --- Name5 Other name from Simbad database
86- 97 A12 --- Name6 Other name from Simbad database
99-114 A16 --- Name7 Other name from Simbad database
116-131 A16 --- Name8 Other name from Simbad database
133-148 A16 --- Name9 Other name from Simbad database
150-165 A16 --- Name10 Other name from Simbad database
167-182 A16 --- Name11 Other name from Simbad database
184-198 A15 --- Name12 Other name from Simbad database
201-216 A16 --- Name13 Other name from Simbad database
218-233 A16 --- Name14 Other name from Simbad database
235-250 A16 --- Name15 Other name from Simbad database
252-264 A13 --- Name16 Other name from Simbad database
266-276 A11 --- Name17 Other name from Simbad database
278-289 A12 --- Name18 Other name from Simbad database
291-306 A16 --- Name19 Other name from Simbad database
308-317 A10 --- Name20 Other name from Simbad database
319-328 A10 --- Name21 Other name from Simbad database
330-338 A9 --- Name22 Other name from Simbad database
340-348 A9 --- Name23 Other name from Simbad database
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Note (1): For No 1022, Name GT 0236+610 is from Ref.0040
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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- 4 I4 --- No Star number
6- 7 I2 h RAh Optical right ascension (J2000)
9- 10 I2 min RAm Optical right ascension (J2000)
12- 17 F6.3 s RAs Optical right ascension (J2000)
19- 23 I5 10-6s e_RAs rms uncertainty on RAs
25 A1 --- DE- Declination sign
26- 27 I2 deg DEd Optical declination (J2000)
29- 30 I2 arcmin DEm Optical declination (J2000)
32- 36 F5.2 arcsec DEs Optical declination (J2000)
38- 42 I5 10-5arcsec e_DEs rms uncertainty on DEs
44- 50 F7.2 yr EpochRA Observation epoch in right ascension
52- 58 F7.2 yr EpochDE Observation epoch in declination
60- 63 I4 --- Ref Bibliographic reference to the reference
system of positions (usually the FK5 system)
65- 68 I4 --- r_Pos Bibliographic reference to position
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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- 4 I4 --- No Star number
6- 7 I2 h RAh Radio right ascension (J2000)
9- 10 I2 min RAm Radio right ascension (J2000)
12- 20 F9.6 s RAs Radio right ascension (J2000)
22- 26 I5 10-6s e_RAs rms uncertainty on RAs
28 A1 --- DE- Declination sign
29- 30 I2 deg DEd Radio declination (J2000)
32- 33 I2 arcmin DEm Radio declination (J2000)
35- 42 F8.5 arcsec DEs Radio declination (J2000)
44- 48 I5 10-5arcsec e_DEs rms uncertainty on DEs
50- 58 F9.4 yr Epoch Epoch of observation
60- 63 I4 --- Ref Bibliographic reference to the reference
system of positions
65- 68 I4 --- r_Pos Bibliographic reference to position
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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- 4 I4 --- No Star number
6- 11 I6 10-6s/yr pmRAO Optical proper motion in right ascension (1)
13- 15 I3 10-5arcsec/yr e_pmRAO ? rms uncertainty on pmRAO
17- 22 I6 10-5arcsec/yr pmDEO Optical proper motion in declination (1)
24- 26 I3 10-5arcsec/yr e_pmDEO ? rms uncertainty on pmDEO
28- 31 I4 --- r_pmO Bibliographic reference to proper motion (2)
33- 38 I6 10-6s/yr pmRAR ? Radio proper motion in right ascension
40- 42 I3 10-5arcsec/yr e_pmRAR ? rms uncertainty on pmRAR
44- 49 I6 10-5arcsec/yr pmDER ? Radio proper motion in declination (1)
51- 53 I3 10-5arcsec/yr e_pmDER ? rms uncertainty on pmDER
55- 58 I4 --- RefR ? Bibliographic reference to the reference
system of radio proper motions
60- 63 I4 --- r_pmR ? Bibliographic reference to radio
proper motion
65- 69 I5 10-5arcsec plxO ? Optical parallax
71- 74 I4 10-5arcsec e_plxO ? rms uncertainty on plxO
76- 79 I4 --- r_plxO ? Reference for plxO
81- 85 I5 10-5arcsec plxR ? Radio parallax
87- 88 I2 10-5arcsec e_plxR ? rms uncertainty on plxR
90- 93 I4 --- r_plxR ? Reference for plxR
95-100 F6.1 km/s RV ? Radial velocity
102-104 F3.1 km/s e_RV ? rms uncertainty on RV
106-109 I4 --- r_RV ? Radial velocity reference
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Note (1): The equinox of reference system for optical data is 2000.0
Note (2): The reference to the reference system of optical proper motions is FK5
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Byte-by-byte Description of file: table5.dat
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Bytes Format Units Label Explanations
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1- 4 I4 --- No Star number
6- 10 F5.3 mag Vmag ? Apparent V magnitude for non-variable stars
12- 15 I4 --- r_Vmag ? Vmag reference
17- 21 F5.2 mag magMax ? Maximun apparent magnitude
23- 27 F5.2 mag magMin ? Minimun apparent magnitude
28 A1 --- Band [BVPK] Band of the apparent magnitude (1)
30- 33 I4 --- r_mag ? Reference for apparent magnitude
35- 39 F5.2 mag U-B ? U-B color index
41- 46 F6.3 mag B-V ? B-V color index
48- 51 I4 --- r_U-B ? Reference for color indices
53- 61 F9.4 d Per ? Period of variability
63- 66 I4 --- r_Per ? Period reference
68- 80 A13 --- Binary Component designation for binaries
82-236 A155 --- Var Type of variability
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Note (1): K: Kukarkin
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Byte-by-byte Description of file: table6.dat
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Bytes Format Units Label Explanations
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1- 4 I4 --- No star number
5 A1 --- m_No Multiplicity index on No
7- 67 A61 --- SpType Spectral type and luminosity class
69- 72 I4 --- r_SpType Reference for spectral type
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Byte-by-byte Description of file: table7.dat
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Bytes Format Units Label Explanations
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1- 4 I4 --- No Star number
6- 9 I4 --- VLA ? Reference for VLA position
11- 14 I4 --- MERLIN ? Reference for MERLIN position
16- 19 I4 --- VLBI ? Reference for VLBI position
21- 24 I4 --- NTR ? Reference for nonthermal radiation
26- 29 I4 --- REC1 ? Reference for radio emission confirmed
31- 34 I4 --- REC2 ? Second reference for radio emission confirmed
36- 39 I4 --- REC3 ? Third reference for radio emission confirmed
42- 82 A41 --- Other Other indication for radio emission
84- 87 I4 --- r_Other ? Reference for Other
89-118 A30 --- Other2 Other indication for radio emission
120-123 I4 --- r_Other2 ? Reference for Other2
125-128 I4 --- Hip ? Hipparcos Superhigh Priority Radio Star
reference
130-133 I4 --- VLApro ? VLA programme star reference
135-138 I4 --- VLApro2 ? Second VLA programme star reference
140-143 I4 --- MERLINpro ? MERLIN programme star reference
145-148 I4 --- VLBIpro ? VLBI programme star reference
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Byte-by-byte Description of file: refs.dat
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Bytes Format Units Label Explanations
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1- 4 I4 --- RefNo [1/229]+ Reference Number
7- 25 A19 --- BibCode Bibliographical code as used in electronic
journals and databases (ADS, NED, SIMBAD)
27-346 A320 --- Text Text of reference
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Note: Finding charts of all stars are in ref. 0163.
For 1022 and 1197, they are also in ref. 95.
Individual notes:
1022: X-ray source (Ref.0153)
1027: radio map in Ref.0068
1028: Complex structure of radio core and halo (Ref.0143).
Radio map in Ref.0143
1128: X-ray source (Ref.0192)
1176: Member of the Sco-Cen ass.; optical data in Kudritzki and Reimers
(1978A&A....70..227K); additional positions and discussion in
Clauzet et al. 1990A&A...233..608C (Ref.0192),
Radio map in Ref.0126 and Ref.0075.
1219: Fluctuating X-ray system (Ref.0123), the invisible companion is
believed to be a black hole (Ref.0192)
2340: X-ray source (Ref.0192)
2384: Active late-type star, pre main sequence star, visual double star?
2609: Emission line star (Ref.0111)
2611: X-ray source, emission line star (Ref.0192)
2908: Naked T Tau star, X-ray source, T Tau association (Ref.0192) optical
data in Walter et al. 1987ApJ...314..297W (Ref.0192)
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Historical notes: The catalogue (table.txt) has been transformed into
seven tables.
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(End) Patricia Bauer [CDS] 02-Sep-1996