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I/128 Photographic Obs. Visual Double Stars (van Albada-van Dien+ 1987)
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Photographic Observations of Visual Double Stars
Van Albada-Van Dien E., Panjaitan E.
<Astron. Astrophys. Suppl., 68, 117 (1987)>
=1987A&AS...68..117V
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ADC_Keywords: Stars, double and multiple
Abstract:
This catalog contains the results of photographic observations of 248
double stars, obtained at the Bosscha Observatory at Lembang,
Indonesia 1981-1983.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
data.dat 127 272 Photographic obs. of visual double stars
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Byte-by-byte Description of file: data.dat
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Bytes Format Units Label Explanations
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1-2 I2 h RAh *? Right Ascension (1900) hours
3-5 I3 dmin RAdm ? Right Ascension (1900) deciminutes
8-10 I3 dmin RAdm2000 ? Right Ascension (2000) deciminutes
12 A1 --- DE- Declination (1900,2000) sign
13-14 I2 deg DEd ? Declination (1900) degrees
15-16 I2 arcmin DEm *[0,92]? Declination (1900) arcminutes
18-19 I2 arcmin DEm2000 *[0,92]? Declination (2000) arcminutes
23 A1 --- rem *[ *] Remark
24-36 A13 --- ADS ADS number or name mentioned in IDS
37 A1 --- --- [(] Parentheses
38-40 F3.1 mag mag1 *? Magnitude of primary component from IDS
41 A1 --- --- [,)] Comma separator
42-45 F4.1 mag mag2 *? Magnitude of secondary component from IDS
47-53 A7 --- Sp Spectral type from IDS
55-60 F6.3 a Ep-1900 Mean Epoch of observations - 1900
63-69 F7.3 arcsec dRAcosDE Mean value of delta(RA) * cos(DE)
71-72 I2 mas e_dRAcosDE Standard error of delta(RA) * cos(DE)
75-81 F7.3 arcsec dDE Mean value of delta(DE)
83-84 I2 mas e_dDE Standard error of delta(DE)
86-92 F7.3 arcsec rho Distance derived
94-95 I2 mas e_rho Standard error of rho
98-103 F6.2 deg theta Position Angle at Epoch
105-106 I2 0.01deg e_theta Standard error of theta
108-109 I2 --- Nplates Number of plates
111-113 I3 --- Nimages Number of images
114 A1 --- --- [(] Parentheses
115-117 I3 --- Wt Sum of weights
118 A1 --- --- [)] Parentheses
119-127 A9 --- note *Notes
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Note on RAh:
Where bytes 1-54 are blank, bytes 55-127 belong to the previous record.
Note on DEm, DEm2000:
DEd applies to both epochs of DEm. DEm values greater than 60 arcminutes
result. These do not indicate errors in the data.
Note on rem:
* = Pair has been removed from the program
Note on mag1, mag2:
blank = Null
99.9 = Variable
Note on note:
N = Northern Declination
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References:
van Albada-van Dien E. =1983A&AS...52..193V
van Albada-van Dien E. =1985A&AS...60..315V
van Albada-van Dien E. and Panjaitan E. ==1987A&AS...68..117V
Jeffers H.M., van den Bos W. and Greeby F. 1963, Index catalogue of Double
Stars 1961. Publ. Lick Obs. XXI. (See <I/107>)
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(End) Julie Anne Watko [SSDOO/ADC] 10-MAY-1996