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Doubles in session


Current system
18457-1624
J 1656


Nearby doubles
21' : 18444-1623
HJ 2835

29' : 18477-1633
RST4020

39' : 18480-1647
HJ 2838

50' : 18442-1539
BRT 633

56' : 18461-1529
HU 251

57' : 18487-1702
J 2235AB

58' : 18427-1547
HU 250

58' : 18437-1534
J 2224

63' : 18496-1654
HWE 44AB

66' : 18498-1655
TDT4316

70' : 18435-1725
RST3194

72' : 18442-1733
HLD 146

75' : 18509-1646
HLD 148

75' : 18428-1523
HLD 145

76' : 18453-1509
BRT 594

79' : 18408-1603
OL 8

93' : 18494-1740
TDT1072

96' : 18412-1731
FEN 34

100' : 18516-1719
HU 255

101' : 18494-1750
HJ 2840

101' : 18529-1625
RST4021

103' : 18443-1443
LEO 21AB

104' : 18396-1713
GWP2792

104' : 18530-1623
RST4022

107' : 18505-1501
J 529

108' : 18528-1658
J 2238



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.

18457-1624 J 1656

 
 
18h 45m 49.41s -16° 23' 31.5" P.A. 287.00 sep 7.6 mag 10.94,12.00
 
 
Coord 2000 18457-1624 Discov num J  1656 Comp Coord arcsec 2000 18 45 49.41 -16 23 31.5
Date first 1905 Date last 2015 Obs 10
Pa first 291 Pa last 286.7 P.A. Now (θ) 286.7°
Sep first 5.3 Sep last 7.621 Sep. Now (ρ) 7.621"
Mag pri 10.94 Mag sec 12.00 delta mag (ΔM) 1.06 Spectral class
Pri motion ra +022 Sec motion ra -002
Pri motion dec -010 Sec motion dec -002
Notes N (See Notes)
rPM=1.047
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius Tycho2 6280-01490-1 Gaia DR2 4100018322476732544
 
 
WDS 18457-1624 J 1656 : NOTES
 
 
discov_num notes refcode
J 1656 J 1749.
 
 
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
18457-1624 J 1656 1943 4 292 4.9 10.94 12.00 N 184549.41-162331.5
18457-1624 J 1656 2000 5 287 7.3 10.94 12.00 N 184549.41-162331.5
18457-1624 J 1656 2015 8 287 7.6 10.94 12.00 N 184549.41-162331.5

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

 
 
WDS 18457-1624 J 1656 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18457-1624 J 1656 : MEASURES
 
 
No records found.

 
 
WDS 18457-1624 : VIRTUAL EYEPIECE
 
 

18457-1624 J 1656A mag 10.94 18457-1624 J 1656B sep 7.3 P.A. 287.40 mag 12 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 18457-1624 : ALADIN DSS IMAGE @ 18h 45m 49.41s -16° 23' 31.5"
 
 
 
 
WDS 18457-1624 J 1656 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18457-1624 J 1656 distance=1' 18444-1623 HJ 2835 distance=21' 18477-1633 RST4020 distance=29' 18480-1647 HJ 2838 distance=39' 18442-1539 BRT 633 distance=50' 18461-1529 HU 251 distance=56' 18487-1702 J 2235AB distance=57' 18427-1547 HU 250 distance=58' 18487-1702 J 2235BC distance=58' 18437-1534 J 2224 distance=58' 18496-1654 HWE 44AB distance=63' 18496-1654 HWE 44AC distance=63' 18496-1654 KNP 3AD distance=63' 18498-1655 TDT4316 distance=66' 18435-1725 RST3194 distance=70' 18442-1733 HLD 146 distance=72' 18509-1646 HLD 148 distance=75' 18428-1523 HLD 145 distance=75' 18453-1509 BRT 594 distance=76' 18408-1603 OL 8 distance=79' 18494-1740 TDT1072 distance=93' 18412-1731 FEN 34 distance=96' 18516-1719 HU 255 distance=100' 18494-1750 HJ 2840 distance=101' 18529-1625 RST4021 distance=101' 18443-1443 LEO 21AB distance=103' 18443-1443 LEO 21AC distance=103' 18443-1443 J 2144AD distance=103' 18396-1713 GWP2792 distance=104' 18530-1623 RST4022 distance=104' 18505-1501 J 529 distance=107' 18528-1658 J 2238 distance=108' 18517-1511 TDT1092 distance=112' 18510-1747 HJ 2842 distance=113' 18480-1435 CRC 31 distance=114' 18390-1528 J 1834 distance=115' 18480-1814 RST3198 distance=115' 18420-1445 J 2223 distance=115' 18419-1445 J 2222 distance=116' 18468-1428 RST4596 distance=117' 18528-1725 HU 257 distance=118' 18482-1820 J 1636 distance=118' 18480-1817 WSI 36 distance=119' 18424-1435 HU 249 distance=120' 18375-1619 ARA 111 distance=120' 18508-1446 J 2237 distance=124' 18503-1812 TDT1080 distance=126' 18453-1416 RST4019 distance=128' 18369-1617 ARA 110 distance=129' 18506-1813 RST3200 distance=130' 18514-1441 RST4604 distance=131' 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 18457-1624 J 1656 287 7.6 1
Show 18444-1623 HJ 2835 303 15.3 21
Show 18477-1633 RST4020 26 3.5 29
Show 18480-1647 HJ 2838 335 33.4 39
Show 18442-1539 BRT 633 42 4.8 50
Show 18461-1529 HU 251 304 2.6 56
Show 18487-1702 J 2235 AB 203 90.0 57
Show 18427-1547 HU 250 298 2.2 58
Show 18487-1702 J 2235 BC 5 6.6 58
Show 18437-1534 J 2224 202 10.4 58
Show 18496-1654 HWE 44 AB 298 2.0 63
Show 18496-1654 HWE 44 AC 308 36.4 63
Show 18496-1654 KNP 3 AD 200 22.2 63
Show 18498-1655 TDT4316 333 45.1 66
Show 18435-1725 RST3194 87 4.0 70
Show 18442-1733 HLD 146 194 2.2 72
Show 18509-1646 HLD 148 30 5.0 75
Show 18428-1523 HLD 145 51 1.5 75
Show 18453-1509 BRT 594 110 2.2 76
Show 18408-1603 OL 8 71 3.4 79
Show 18494-1740 TDT1072 310 0.7 93
Show 18412-1731 FEN 34 325 3.8 96
Show 18516-1719 HU 255 166 1.4 100
Show 18494-1750 HJ 2840 173 15.2 101
Show 18529-1625 RST4021 118 0.2 101
Show 18443-1443 LEO 21 AB 15 4.2 103
Show 18443-1443 LEO 21 AC 281 34.1 103
Show 18443-1443 J 2144 AD 23 17.5 103
Show 18396-1713 GWP2792 136 22.6 104
Show 18530-1623 RST4022 312 0.4 104
Show 18505-1501 J 529 353 7.5 107
Show 18528-1658 J 2238 182 4.8 108
Show 18517-1511 TDT1092 138 0.4 112
Show 18510-1747 HJ 2842 338 29.9 113
Show 18480-1435 CRC 31 234 7.6 114
Show 18390-1528 J 1834 59 7.5 115
Show 18480-1814 RST3198 154 0.4 115
Show 18420-1445 J 2223 29 4.7 115
Show 18419-1445 J 2222 162 4.8 116
Show 18468-1428 RST4596 153 5.8 117
Show 18528-1725 HU 257 341 2.1 118
Show 18482-1820 J 1636 78 7.1 118
Show 18480-1817 WSI 36 262 15.8 119
Show 18424-1435 HU 249 225 3.2 120
Show 18375-1619 ARA 111 197 9.2 120
Show 18508-1446 J 2237 233 4.9 124
Show 18503-1812 TDT1080 134 0.9 126
Show 18453-1416 RST4019 81 0.5 128
Show 18369-1617 ARA 110 279 15.0 129
Show 18506-1813 RST3200 0.7 130
Show 18514-1441 RST4604 87 0.7 131

 
 
WDS 18457-1624 : COMPONENTS
 
 
  A
B pa=287.4°
sep=7.34"
 
 
18457-1624 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 184549.41-162331.5 Mag 10.94 PmRA 22.00
PmDE -10.0 Tycho2 6280-01490-1
Tycho2
Tycho2 6280-01490-1 Pflag RAmdeg 281.45591367 DEmdeg -16.39208889
PmRA 18.6 PmDE -9.4 E RAmdeg 38 E DEmdeg 54
E pmRA 1.9 E pmDE 2.0 EpRAm 1986.76 EpDEm 1981.54
Num 4 Q RAmdeg 1.2 Q DEmdeg 0.4 Q pmRA 1.2
Q pmDE 0.4 BTmag 11.628 E BTmag 0.079 VTmag 10.937
E VTmag 0.074 Prox 451 TYC T HIP
CCDM RAdeg 281.45586972 DEdeg -16.39206750 EpRA 1990 1.81
EpDE 1990 1.71 E RAdeg 38.7 E DEdeg 57.6 Posflg
Corr 0.0
 
 
18457-1624 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 184548.92-162329.3 Mag 12 PmRA -2.00
PmDE -2.0 Calc delta mag 1.06 Calc coord yes