J/AJ/141/45 Speckle observations of HIP stars (Horch+, 2011)
Observations of binary stars with the Differential Speckle Survey Instrument.
II. Hipparcos stars observed in 2010 January and June.
Horch E.P., Gomez S.C., Sherry W.H., Howell S.B., Ciardi D.R.,
Anderson L.M., Van Altena W.F.
<Astron. J., 141, 45 (2011)>
=2011AJ....141...45H 2011AJ....141...45H
ADC_Keywords: Stars, double and multiple ; Photometry
Keywords: binaries: visual - techniques: high angular resolution -
techniques: interferometric - techniques: photometric
Abstract:
The results of 497 speckle observations of Hipparcos stars and
selected other targets are presented. Of these, 367 were resolved into
components and 130 were unresolved. The data were obtained using the
Differential Speckle Survey Instrument at the WIYN 3.5m Telescope.
(The WIYN Observatory is a joint facility of the University of
Wisconsin-Madison, Indiana University, Yale University, and the
National Optical Astronomy Observatories.) Since the first paper in
this series, the instrument has been upgraded so that it now uses two
electron-multiplying CCD cameras. The measurement precision obtained
when comparing to ephemeris positions of binaries with very well known
orbits is approximately 1-2mas in separation and better than 0fdg6 in
position angle. Differential photometry is found to be in very good
agreement with Hipparcos measures in cases where the comparison is
most relevant. We derive preliminary orbits for two systems.
Description:
The observations presented here come from two observing runs using the
WIYN Telescope at Kitt Peak, 2010 January 2-4 and June 18-25.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1.dat 81 367 Double star speckle measures with DSSI
table2.dat 119 130 High-quality non-detections and 5σ
detection limits
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See also:
B/wds : The Washington Visual Double Star Catalog (Mason+ 2001-2012)
I/239 : The Hipparcos and Tycho Catalogues (ESA 1997)
I/311 : Hipparcos, the New Reduction (van Leeuwen, 2007)
Byte-by-byte Description of file: table1.dat
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Bytes Format Units Label Explanations
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1- 10 A10 --- WDS Washington Double Star catalog designation,
HHMMm+DDM (J2000)
12- 21 A10 --- Name Object identification (HR,ADS DM,etc.)
23- 35 A13 --- Dis Discoverer Designation
37- 42 I6 --- HIP ? HIPPARCOS catalog identification
44- 52 F9.4 yr Date Fraction of the Besselian year observation date
54- 58 F5.1 deg PA Observed position angle θ; east of north
60 A1 --- f_PA [b] Quadrant inconsistent (1)
62- 67 F6.4 arcsec Sep Observed separation ρ
69- 72 F4.2 mag Dm562 ? Magnitude difference in 562nm filter
74 A1 --- f_Dm562 [ac] Quadrant ambiguous or inconsistent (1)
76- 79 F4.2 mag Dm692 ? Magnitude difference in 692nm filter
81 A1 --- f_Dm692 [acde] Quadrant problem, or other remark (1)
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Note (1): Flags as follows:
b = In both filters, the quadrant obtained appears to be inconsistent with
previous measures in the 4th Interferometric Catalog. However, it is
left as measured here pending future determinations
a = Quadrant ambiguous
c = Quadrant is inconsistent with previous measures in the 4th
Interferometric Catalog in the filter marked. The position angle has
been changed prior to averaging with the other observation
d = Two 1000-frame observations were coadded to obtain these results
e = Three 1000-frame observations were coadded to obtain these results
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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- 10 A10 --- Name Source name, in WDS format, HHMMm+DDM (J2000)
12- 17 I6 --- HIP HIPPARCOS catalog identification
19- 27 F9.4 yr Date Observation date, in Besselian year
29- 32 F4.2 mag lDm562 5σ limit in the 562nm filter
34- 37 F4.2 mag lDm692 5σ limit in the 692nm filter
39-119 A81 --- Notes Notes
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History:
From electronic version of the journal
References:
Horch et al., Paper I 2009AJ....137.5057H 2009AJ....137.5057H
Horch et al., Paper III 2011AJ....141..180H 2011AJ....141..180H
Horch et al., Paper IV 2012AJ....144..165H 2012AJ....144..165H
Horch et al., Paper V 2015AJ....149..151H 2015AJ....149..151H
Horch et al., Paper VI 2015AJ....150..151H 2015AJ....150..151H, Cat. J/AJ/150/151
Horch et al., Paper VII 2017AJ....153..212H 2017AJ....153..212H, Cat. J/AJ/153/212
Horch et al., Paper VIII 2019AJ....157...56H 2019AJ....157...56H
(End) Greg Schwarz [AAS], Patricia Vannier [CDS] 24-Jul-2012