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Current system
18509-0821
J 1638


Nearby doubles
13' : 18501-0823
HDS2670

23' : 18508-0759
BU 970

25' : 18499-0802
TDT1076

26' : 18505-0756
HJ 868AB

28' : 18503-0754
BU 969AB

30' : 18490-0828
STF2388AB

48' : 18532-0748
LEO 41

51' : 18490-0740
TDS 947

58' : 18516-0724
ARN 95

66' : 18466-0807
RST4597

68' : 18521-0716
BU 1465AB

71' : 18552-0835
J 2535

73' : 18460-0824
SLE 241

76' : 18490-0711
TDT1069

76' : 18547-0912
J 2240

80' : 18530-0935
CHR 81AB

81' : 18505-0701
RST4601

84' : 18521-0700
HDS2676

84' : 18467-0916
JNN 118

86' : 18463-0734
J 2923

87' : 18463-0729
DAM 119

87' : 18567-0826
J 2156AB

94' : 18561-0914
J 2242

97' : 18471-0939
RST4598AB

99' : 18566-0911
J 2243

100' : 18460-0928
HO 88



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

18509-0821 J 1638

 
 
18h 50m 55.60s -08° 20' 57.1" P.A. 264.00 sep 7.9 mag 11.20,11.20
 
 
Coord 2000 18509-0821 Discov num J  1638 Comp Coord arcsec 2000 18 50 55.60 -08 20 57.1
Date first 1892 Date last 2016 Obs 11
Pa first 261 Pa last 263.8 P.A. Now (θ) 263.8°
Sep first 7.8 Sep last 7.92 Sep. Now (ρ) 7.92"
Mag pri 11.20 Mag sec 11.20 delta mag (ΔM) 0 Spectral class
Pri motion ra -001 Sec motion ra -002
Pri motion dec -004 Sec motion dec -001
Notes
rPM=0.767
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Scutum Tycho2 5693-03351-1 Gaia DR2 4203923099046828160
 
 
WDS 18509-0821 J 1638 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
J__1908 Ma - Jonckheere, R. 1908BuAsI..25..458J
J__1908 Bull. Astronomique 25, 458, 1908
J__1909a Ma - Jonckheere, R. ...................
J__1909a Journal Astronomique 1, no. 1, 1, 1909
J__1909b Ma - Jonckheere, R. ...................
J__1909b Journal Astronomique 1, no. 2, 1909
J__1909c Ma - Jonckheere, R. ...................
J__1909c Journal Astronomique 1, no. 3, 1909
J__1910a Ma j Jonckheere, R. ...................
J__1910a Journal Astronomique 1, no. 4, 25, 1910
J__1910b Ma - Jonckheere, R. ...................
J__1910b Journal Astronomique 1, no. 5, 1910
J__1910c Ma j Jonckheere, R. ...................
J__1910c Journal Astronomique 1, no. 7, 1910
J__1910d Ma - Jonckheere, R. ...................
J__1910d Journal Astronomique 1, no. 7, 1910
J__1910e Ma j Jonckheere, R. ...................
J__1910e Journal Astronomique 1, no. 7, 1910
J__1910f Ma j Jonckheere, R. ...................
J__1910f Journal Astronomique 1, no. 10, 77, 1910
J__1910g Ma - Jonckheere, R. ...................
J__1910g Journal Astronomique 1, no. 11, 81, 1910
J__1910h Ma j Jonckheere, R. ...................
J__1910h Journal Astronomique 1, no. 12, 89, 1910
J__1910i Ma j Jonckheere, R. ...................
J__1910i Journal Astronomique 1, no. 13, 98, 1910
J__1911a Ma - Jonckheere, R. ...................
J__1911a Journal Astronomique 1, no. 15, 114, 1911
J__1911b Ma j Jonckheere, R. ...................
J__1911b Journal Astronomique 1, no. 16, 121, 1911
J__1911c Ma j Jonckheere, R. 1911MNRAS..71..750J
J__1911c MNRAS 71, 750, 1911
J__1911d Ma - Jonckheere, R. 1911MNRAS..72...45J
J__1911d MNRAS 72, 45, 1911
J__1911e Ma - Jonckheere, R. 1911MNRAS..72..156J
J__1911e MNRAS 72, 156, 1911
J__1911f Ma j Jonckheere, R. 1911MNRAS..72..162J
J__1911f MNRAS 72, 162, 1911
J__1912a Ma j Jonckheere, R. 1912MNRAS..72..188J
J__1912a MNRAS 72, 188, 1912
J__1912b Ma j Jonckheere, R. ...................
J__1912b Journal Astronomique 1, no. 17, 129, 1912
J__1912c Ma - Jonckheere, R. ...................
J__1912c Journal Astronomique 1, no. 19, 134, 1912
J__1912d Ma j Jonckheere, R. ...................
J__1912d Journal Astronomique 1, no. 21, 145, 1912
J__1912e Ma - Jonckheere, R. ...................
J__1912e Journal Astronomique 1, no. 22, 148, 1912
J__1912f Ma j Jonckheere, R. ...................
J__1912f Journal Astronomique 1, no. 23, 150, 1912
J__1912g Ma j Jonckheere, R. ...................
J__1912g Journal Astronomique 2, no. 25, 1, 1912
J__1912h Ma - Jonckheere, R. ...................
J__1912h Journal Astronomique 2, no. 26, 5, 1912
J__1913a Ma j Jonckheere, R. ...................
J__1913a Journal Astronomique 2, no. 27, 9, 1913
J__1913b Ma j Jonckheere, R. ...................
J__1913b Journal Astronomique 2, no. 28, 13, 1913
J__1914 Ma - Jonckheere, R. ...................
J__1914 Journal Astronomique 2, no. 29, 18, 1914
J__1917a Ma - Jonckheere, R. 1917MmRAS..61....1J
J__1917a MemRAS 61, 1, 1917
J__1917c Ma j Jonckheere, R. 1917AJ.....31....1J
J__1917c AJ 31, 1, 1917
J__1918 Ma - Jonckheere, R. 1918AJ.....31..113J
J__1918 AJ 31, 113, 1918
J__1918b Ma j Jonckheere, R. 1918MNRAS..78..479J
J__1918b MNRAS 78, 479, 1918
J__1919 Ma j Jonckheere, R. 1919AJ.....32...65J
J__1919 AJ 32, 65, 1919
J__1920 Ma - Jonckheere, R. 1920AJ.....32..166J
J__1920 AJ 32, 166, 1920
J__1924 Ma - Jonckheere, R. 1924AJ.....35..173J
J__1924 +Mb AJ 35, 173, 1924
J__1930 Ma j Jonckheere, R. 1930JO.....13...76J
J__1930 J. Obs. 13, 76, 1930
J__1941a Ma - Jonckheere, R. 1941JO.....24...21J
J__1941a J. Obs. 24, 21, 1941
J__1941b Ma - Jonckheere, R. 1941JO.....24...69J
J__1941b +Mb J. Obs. 24, 69, 1941
J__1941c Ma - Jonckheere, R. 1941JO.....24...93J
J__1941c +Mb J. Obs. 24, 93, 1941
J__1941d Ma - Jonckheere, R. 1941JO.....24..114J
J__1941d +Mb J. Obs. 24, 114, 1941
J__1942a Ma - Jonckheere, R. 1942JO.....25...11J
J__1942a J. Obs. 25, 11, 1942
J__1942b Ma - Jonckheere, R. 1942JO.....25...15J
J__1942b J. Obs. 25, 15, 1942
J__1942c Ma - Jonckheere, R. 1942JO.....25...25J
J__1942c +Mb J. Obs. 25, 25, 1942
J__1942d Mb - Jonckheere, R. 1942JO.....25...78J
J__1942d J. Obs. 25, 78, 1942
J__1943 Ma - Jonckheere, R. 1943JO.....26...28J
J__1943 +Mb J. Obs. 26, 28, 1943
J__1944a Ma j Jonckheere, R. 1944JO.....27....1J
J__1944a +Mb J. Obs. 27, 1, 1944
J__1944b Ma - Jonckheere, R. 1944JO.....27....5J
J__1944b J. Obs. 27, 5, 1944
J__1944c Mb - Jonckheere, R. 1944JO.....27....6J
J__1944c J. Obs. 27, 6, 1944
J__1944d Ma j Jonckheere, R. 1944JO.....27....7J
J__1944d +Mb J. Obs. 27, 7, 1944
J__1944e Ma - Jonckheere, R. 1944JO.....27...11J
J__1944e J. Obs. 27, 11, 1944
J__1945 Ma - Jonckheere, R. 1945JO.....28...26J
J__1945 +Mb J. Obs. 28, 26, 1945
J__1946 Mb j Jonckheere, R. 1946JO.....29...49J
J__1946 J. Obs. 29, 49, 1946
J__1948 Ma j Jonckheere, R. 1948JO.....31...65J
J__1948 J. Obs. 31, 65, 1948
J__1949a Ma j Jonckheere, R. 1949JO.....32...13J
J__1949a +Mb J. Obs. 32, 13, 1949
J__1949b Ma j Jonckheere, R. 1949JO.....32...81J
J__1949b +Mb J. Obs. 32, 81, 1949
J__1952 M+ j Jonckheere, R. 1952JO.....35...37J
J__1952 +Pa J. Obs. 35, 37, 1952
J__1953a Ma - Jonckheere, R. 1953JO.....36...44J
J__1953a J. Obs. 36, 44, 1953
J__1953b Mb j Jonckheere, R. 1953JO.....36...49J
J__1953b J. Obs. 36, 49, 1953
J__1954 Mb j Jonckheere, R. 1954JO.....37...13J
J__1954 J. Obs. 37, 13, 1954
J__1955 Mb - Jonckheere, R. 1955JO.....38..254J
J__1955 J. Obs. 38, 254, 1955
J__1957 Mb j Jonckheere, R. 1957JO.....40....1J
J__1957 J. Obs. 40, 1, 1957
J__1958 Mb j Jonckheere, R. 1958JO.....41..145J
J__1958 J. Obs. 41, 145, 1958
J__1962a M+ j Jonckheere, R. 1962QB821.J64......
J__1962a +Pa General Cat. of Double Stars, Marseille, 1962
J__1962b Ma - Jonckheere, R. (measure by Vanderdonck, J.) 1962QB821.J64......
J__1962b General Cat. of Double Stars, Marseille, 1962
J__1963A - Jonckheere, R. 1963icvd.book.....J
J__1963A cited in IDS (Lick Index Cat.), 1963
J__9999 Ma - Jonckheere, R. ...................
J__9999 +Pp 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
18509-0821 J 1638 1999 4 264 8.1 11.20 11.20 D 185055.60-082057.1
18509-0821 J 1638 2000 5 264 7.9 11.20 11.20 D 185055.60-082057.1
18509-0821 J 1638 2013 6 265 7.9 11.20 11.20 185055.60-082057.1
18509-0821 J 1638 2016 7 264 7.9 11.20 11.20 185055.60-082057.1

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 18509-0821 J 1638 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18509-0821 J 1638 : MEASURES
 
 
No records found.

 
 
WDS 18509-0821 : VIRTUAL EYEPIECE
 
 

18509-0821 J 1638A mag 11.2 18509-0821 J 1638B sep 7.8 P.A. 263.70 mag 11.2 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18509-0821 : ALADIN DSS IMAGE @ 18h 50m 55.60s -08° 20' 57.1"
 
 
 
 
WDS 18509-0821 J 1638 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18509-0821 J 1638 distance=1' 18501-0823 HDS2670 distance=13' 18508-0759 BU 970 distance=23' 18499-0802 TDT1076 distance=25' 18505-0756 HJ 868AB distance=26' 18505-0756 ABH 106AC distance=26' 18505-0756 ABH 106AD distance=26' 18505-0756 ABH 106AE distance=26' 18505-0756 ABH 106AF distance=26' 18505-0756 ABH 106AG distance=26' 18505-0756 ABH 106AH distance=26' 18505-0756 ABH 106AI distance=26' 18505-0756 ABH 106AJ distance=26' 18505-0756 FOX 236AK distance=26' 18503-0754 BU 969AB distance=28' 18503-0754 BU 969AC distance=28' 18490-0828 HDS2666Aa,Ab distance=30' 18490-0828 STF2388AB distance=30' 18490-0828 ABH 105AD distance=30' 18490-0828 ABH 105AE distance=30' 18490-0828 STF2388BC distance=30' 18532-0748 LEO 41 distance=48' 18490-0740 TDS 947 distance=51' 18516-0724 ARN 95 distance=58' 18466-0807 RST4597 distance=66' 18521-0716 BU 1465AB distance=68' 18521-0716 STF2405AC distance=68' 18552-0835 J 2535 distance=71' 18460-0824 SLE 241 distance=73' 18490-0711 TDT1069 distance=76' 18547-0912 J 2240 distance=76' 18530-0935 CHR 81AB distance=80' 18505-0701 RST4601 distance=81' 18521-0700 HDS2676 distance=84' 18467-0916 JNN 118 distance=84' 18463-0734 J 2923 distance=86' 18463-0729 DAM 119 distance=87' 18567-0826 J 2156BC distance=87' 18567-0826 J 2156AB distance=87' 18561-0914 J 2242 distance=94' 18471-0939 RST4598AB distance=97' 18471-0939 J 106AC distance=97' 18566-0911 J 2243 distance=99' 18460-0928 HO 88 distance=100' 18481-0950 J 2677 distance=100' 18492-0957 A 1888 distance=100' 18442-0817 TOB 295 distance=101' 18441-0817 SLE 238 distance=102' 18452-0923 TDT1033 distance=105' 18444-0739 TDT1023 distance=106' 18445-0737 RST4595AB distance=106' grafico limitrofi
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show 18509-0821 J 1638 264 7.9 1
Show 18501-0823 HDS2670 315 0.1 13
Show 18508-0759 BU 970 107 1.6 23
Show 18499-0802 TDT1076 156 0.9 25
Show 18505-0756 HJ 868 AB 84 9.7 26
Show 18505-0756 ABH 106 AC 130 26.2 26
Show 18505-0756 ABH 106 AD 145 49.0 26
Show 18505-0756 ABH 106 AE 263 44.5 26
Show 18505-0756 ABH 106 AF 184 65.4 26
Show 18505-0756 ABH 106 AG 115 104.3 26
Show 18505-0756 ABH 106 AH 87 92.6 26
Show 18505-0756 ABH 106 AI 123 56.7 26
Show 18505-0756 ABH 106 AJ 257 77.7 26
Show 18505-0756 FOX 236 AK 320 6.4 26
Show 18503-0754 BU 969 AB 239 14.4 28
Show 18503-0754 BU 969 AC 102 43.2 28
Show 18490-0828 HDS2666 Aa,Ab 257 0.2 30
Show 18490-0828 STF2388 AB 344 53.6 30
Show 18490-0828 ABH 105 AD 157 43.8 30
Show 18490-0828 ABH 105 AE 275 72.2 30
Show 18490-0828 STF2388 BC 18 21.1 30
Show 18532-0748 LEO 41 246 1.6 48
Show 18490-0740 TDS 947 5 1.0 51
Show 18516-0724 ARN 95 106 29.8 58
Show 18466-0807 RST4597 312 0.4 66
Show 18521-0716 BU 1465 AB 111 13.6 68
Show 18521-0716 STF2405 AC 302 25.6 68
Show 18552-0835 J 2535 330 2.4 71
Show 18460-0824 SLE 241 258 10.3 73
Show 18490-0711 TDT1069 129 0.5 76
Show 18547-0912 J 2240 236 4.6 76
Show 18530-0935 CHR 81 AB 89 0.2 80
Show 18505-0701 RST4601 210 3.6 81
Show 18521-0700 HDS2676 163 0.1 84
Show 18467-0916 JNN 118 268 3.4 84
Show 18463-0734 J 2923 316 8.9 86
Show 18463-0729 DAM 119 10 6.4 87
Show 18567-0826 J 2156 BC 308 4.7 87
Show 18567-0826 J 2156 AB 1 50.3 87
Show 18561-0914 J 2242 129 4.8 94
Show 18471-0939 RST4598 AB 244 1.7 97
Show 18471-0939 J 106 AC 151 4.4 97
Show 18566-0911 J 2243 308 8.9 99
Show 18460-0928 HO 88 27 2.2 100
Show 18481-0950 J 2677 298 6.0 100
Show 18492-0957 A 1888 165 2.2 100
Show 18442-0817 TOB 295 267 17.3 101
Show 18441-0817 SLE 238 68 11.7 102
Show 18452-0923 TDT1033 124 10.5 105
Show 18444-0739 TDT1023 285 1.0 106
Show 18445-0737 RST4595 AB 74 2.1 106

 
 
WDS 18509-0821 : COMPONENTS
 
 
  A
B pa=263.7°
sep=7.84"
 
 
18509-0821 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 185055.60-082057.1 Mag 11.2 PmRA -1.00
PmDE -4.0 Tycho2 5693-03351-1 DM BD-08 4730
Tycho2
Tycho2 5693-03351-1 Pflag RAmdeg 282.73168072 DEmdeg -8.34922105
PmRA -1.6 PmDE -5.8 E RAmdeg 45 E DEmdeg 58
E pmRA 2.0 E pmDE 2.0 EpRAm 1986.12 EpDEm 1982.47
Num 3 Q RAmdeg 1.1 Q DEmdeg 2.1 Q pmRA 1.0
Q pmDE 2.1 BTmag 11.174 E BTmag 0.069 VTmag 11.200
E VTmag 0.119 Prox 457 TYC T HIP
CCDM RAdeg 282.73168472 DEdeg -8.34920750 EpRA 1990 1.81
EpDE 1990 1.72 E RAdeg 46.1 E DEdeg 61.2 Posflg
Corr -0.1
 
 
18509-0821 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 185055.08-082058.0 Mag 11.2 PmRA -2.00
PmDE -1.0 Calc coord yes