WDS 20452-3122 WOR 40 : NOTES
 
 
discov_num notes refcode
WOR 40 Located ~80" south of LDS 720A, this pair has been inadvertently
observed as LDS 720BC (located ~80' south of A) on numerous occasions.
Preliminary orbital analysis of LDS 720BC showed discrepancy in
orbital motion beginning with Worley measure of 1978, hence the WOR
designation.
 
 
REFERENCES
 
 
refcode metd author reference
Wor1956a Ma - Worley, C.E. 1956PASP...68..452W
Wor1956a PASP 68, 452, 1956
Wor1956b Ma - Worley, C.E. 1956AJ.....61..162W
Wor1956b AJ 61, 162, 1956
Wor1957 Ma - Worley, C.E. 1957AJ.....62..153W
Wor1957 AJ 62, 153, 1957
Wor1960 Ma - Worley, C.E. 1960AJ.....65..156W
Wor1960 AJ 65, 156, 1960
Wor1961 Ma - Worley, C.E. 1961PASP...73..167W
Wor1961 PASP 73, 167, 1961
Wor1961 (discovery measures WOR 14 - 26; more precise measures published in Wor1962a) 1962AJ.....67..396W
Wor1962a Ma - Worley, C.E. 1962AJ.....67..396W
Wor1962a AJ 67, 396, 1962
Wor1962b Ma j Worley, C.E. 1962AJ.....67..403W
Wor1962b AJ 67, 403, 1962
Wor1963a Ma - Worley, C.E. 1963AJ.....68..114W
Wor1963a AJ 68, 114, 1963
Wor1963b orb - Worley, C.E. 1964PUSNO..18....2W
Wor1963b Pub. USNO 18, Pt. 3, 1963 (Orbit Catalog)
Wor1967a Ma - Worley, C.E. 1967AJ.....72..899W
Wor1967a AJ 72, 899, 1967
Wor1967b Ma j Worley, C.E. 1967PUSNO..18....1W
Wor1967b Pub. USNO 18, Pt. 6, 1967
Wor1969 Zp - Worley, C.E. 1969AJ.....74..764W
Wor1969 AJ 74, 764, 1969 (double-image micrometer with Lick 36in + 12 in refractors)
Wor1971 Ma j Worley, C.E. 1972PUSNO..22....1W
Wor1971 +Mb Pub. USNO 22, Pt. 2, 1971
Wor1972a Ma j Worley, C.E. 1972PUSNO..22....2W
Wor1972a +Mb Pub. USNO 22, Pt. 4, 1972
Wor1972b Mb j Worley, C.E. 1972AJ.....77..878W
Wor1972b AJ 77, 878, 1972
Wor1972c Ma - Lippincott, S.L. & Hershey, J.L. (measure by Worley) 1972AJ.....77..679L
Wor1972c AJ 77, 679, 1972
Wor1973a orb - Worley, C.E. 1973IAUDS..61....1W
Wor1973a Inf. Circ. 61, 1, 1973
Wor1973b orb - Worley, C.E. & Behall, A.L. 1973AJ.....78..650W
Wor1973b AJ 78, 650, 1973
Wor1978 Ma j Worley, C.E. 1978PUSNO..24....1W
Wor1978 +Mb Pub. USNO 24, Pt. 6, 1978
Wor1981 orb - Worley, C.E. 1981PASP...93..772W
Wor1981 PASP 93, 772, 1981
Wor1983 - Worley, C.E. & Heintz, W.D. 1983PUSNO..24g...1W
Wor1983 Pub. USNO 24, Pt. 7, 1983 (Fourth Orbit Catalog)
Wor1984 M - Worley, C.E. 1984ApJ...278L.109W
Wor1984 ApJ 278, L109, 1984 (all data also in Wor1989)
Wor1989 Ma j Worley, C.E. 1989PUSNO..25....1W
Wor1989 +Mb Pub. USNO 25, Pt. 3, 1989
Wor1998 Ma j Worley, C.E. & Mason, B.D. 1998AJ....116..917W
Wor1998 AJ 116, 917, 1998
Wor2001 - Worley, C.E., Mason, B.D., & Wycoff, G.L. 2001AJ....122.3482W
Wor2001 AJ 122, 3482, 2001
Wor2001 (description of Magnitude Difference Catalog for USNO CD-ROM; no data)
Wor9999 Po j Worley, C.E. ...................
Wor9999 Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20452-3122 WOR 40 1998 5 168 4.8 12.90 1.00 N 204509.95-312148.5
20452-3122 WOR 40 2010 6 170 4.9 12.00 12.40 N 204509.95-312148.5
20452-3122 WOR 40 2015 8 168 4.8 12.00 12.40 N 204509.95-312148.5
20452-3122 WOR 40 2016 10 168 4.8 12.00 12.40 N 204509.95-312148.5

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