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Doubles in session


Current system
18408-1603
OL 8


Nearby doubles
36' : 18427-1547
HU 250

44' : 18390-1528
J 1834

47' : 18375-1619
ARA 111

52' : 18428-1523
HLD 145

54' : 18369-1617
ARA 110

59' : 18437-1534
J 2224

59' : 18444-1623
HJ 2835

60' : 18442-1539
BRT 633

61' : 18369-1532
J 2220

69' : 18360-1625
TDT 954

71' : 18396-1713
GWP2792

76' : 18363-1649
ARA 109

79' : 18457-1624
J 1656

85' : 18419-1445
J 2222

85' : 18420-1445
J 2223

88' : 18453-1509
BRT 594

88' : 18461-1529
HU 251

88' : 18412-1731
FEN 34

89' : 18347-1632
ARA 108

92' : 18435-1725
RST3194

93' : 18424-1435
HU 249

94' : 18409-1430
BU 967AB

96' : 18351-1659
MCA 52

98' : 18443-1443
LEO 21AB

98' : 18387-1429
HDS2641AB

98' : 18387-1430
CRC 30AB



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.

18408-1603 OL 8

 
 
18h 40m 31.92s -16° 03' 51.4" P.A. 71.00 sep 3.4 mag 9.70,10.40
 
 
Coord 2000 18408-1603 Discov num OL    8 Comp Coord arcsec 2000 18 40 31.92 -16 03 51.4
Date first 1907 Date last 2000 Obs 6
Pa first 71 Pa last 70.6 P.A. Now (θ) 70.6°
Sep first 2.1 Sep last 3.368 Sep. Now (ρ) 3.368"
Mag pri 9.70 Mag sec 10.40 delta mag (ΔM) 0.7 Spectral class
Pri motion ra -028 Sec motion ra
Pri motion dec -018 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius Tycho2 6280-00789-1 Gaia DR2 4099940497672699008
 
 
WDS 18408-1603 OL 8 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Ol_1907 Ma j Olivier, C.P. 1907AN....174..209O
Ol_1907 AN 174, 209, 1907
Ol_1908 Ma - Olivier, C.P. 1908AN....177...33O
Ol_1908 AN 177, 33, 1908
Ol_1909 Ma j Olivier, C.P. 1909AN....182..253O
Ol_1909 AN 182, 253, 1909
Ol_1910a Ma j Olivier, C.P. 1910LicOB...5..185O
Ol_1910a Lick Obs. Bull. 5, 185, 1910
Ol_1910b Ma - Olivier, C.P. 1910LicOB...6...76O
Ol_1910b Lick Obs. Bull. 6, 76, 1910
Ol_1916 Ma j Olivier, C.P. 1916AJ.....30...63O
Ol_1916 AJ 30, 63, 157, 1916,1917
Ol_1916b Ma j Olivier, C.P. 1916AJ.....30...63O
Ol_1916b AJ 30, 63, 1916
Ol_1917 Ma j Olivier, C.P. 1917AJ.....30..157O
Ol_1917 AJ 30, 157, 1917
Ol_1918 Ma - Olivier, C.P. 1918AJ.....31..100O
Ol_1918 AJ 31, 100, 1918
Ol_1920a Po j Olivier, C.P. .
Ol_1920a Pub. McCormick Obs. 3, 679, 1920
Ol_1920b Po j Olivier, C.P. 1920AJ.....32..179O
Ol_1920b AJ 32, 179, 1920
Ol_1920c Ma j Olivier, C.P. 1920AJ.....33...25O
Ol_1920c +Po AJ 33, 25, 1920
Ol_1922 Ma j Olivier, C.P. 1922AJ.....34..111O
Ol_1922 AJ 34, 111, 1922
Ol_1923 Ma j Olivier, C.P. 1923AJ.....35...20O
Ol_1923 AJ 35, 20, 1923
Ol_1924 Ma - Olivier, C.P. 1925AJ.....36...43O
Ol_1924 AJ 36, 43, 1925
Ol_1925 Ma j Olivier, C.P. 1925AJ.....36...43O
Ol_1925 AJ 36, 43, 1925
Ol_1927 Ma - Olivier, C.P. 1927PMcCO...4..331O
Ol_1927 +Po Pub. McCormick Obs. 4, 331, 1927
Ol_1928 Ma j Olivier, C.P. 1928AN....233..393O
Ol_1928 +Po AN 233, 393, 1928
Ol_1932a Ma j Olivier, C.P. 1932PUPFA...5a...1O
Ol_1932a Pub. Univ. Penn. 5, Pt.1, Sec. 1, 1932
Ol_1932B Ma - Olivier, C.P. 1932QB821.A43......
Ol_1932B cited in ADS (Aitken Double Star Cat.), 1932
Ol_1936 Ma - Olivier, C.P. 1936AN....258..409O
Ol_1936 +Po AN 258, 409, 1936
Ol_1938 Ma - Olivier, C.P. 1938AJ.....47..100O
Ol_1938 AJ 47, 100, 1938
Ol_1939 Ma j Olivier, C.P. 1939PFAO....5b...1O
Ol_1939 Pub. Univ. Penn. 5, Pt.2, Sec. 1, 1939
Ol_1940 Ma - Olivier, C.P. 1940PA.....48..173O
Ol_1940 Popular Astron. 48, 173, 1940
Ol_1949 Ma j Olivier, C.P. 1949PFAO....7a...1B
Ol_1949 Pub. Univ. Penn. 7, Pt.1, Sec.2, 1949
Ol_1957 Ma - Olivier, C.P. 1957QB4.P5v7ps3....
Ol_1957 Pub. Univ. Penn. 7, Pt.3, 1, 1957
Ol_9999 Ma - Olivier, C.P. ...................
Ol_9999 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
18408-1603 OL 8 1945 3 70 2.6 9.70 10.40
18408-1603 OL 8 2000 4 70 2.8 9.70 10.40 184031.92-160351.4

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

 
 
WDS 18408-1603 OL 8 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18408-1603 OL 8 : MEASURES
 
 
No records found.

 
 
WDS 18408-1603 : VIRTUAL EYEPIECE
 
 

18408-1603 OL 8A mag 9.7 18408-1603 OL 8B sep 3.2 P.A. 69.90 mag 10.4 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18408-1603 : ALADIN DSS IMAGE @ 18h 40m 31.92s -16° 03' 51.4"
 
 
 
 
WDS 18408-1603 OL 8 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18408-1603 OL 8 distance=0' 18427-1547 HU 250 distance=36' 18390-1528 J 1834 distance=44' 18375-1619 ARA 111 distance=47' 18428-1523 HLD 145 distance=52' 18369-1617 ARA 110 distance=54' 18437-1534 J 2224 distance=59' 18444-1623 HJ 2835 distance=59' 18442-1539 BRT 633 distance=60' 18369-1532 J 2220 distance=61' 18360-1625 TDT 954 distance=69' 18396-1713 GWP2792 distance=71' 18363-1649 ARA 109 distance=76' 18457-1624 J 1656 distance=79' 18419-1445 J 2222 distance=85' 18420-1445 J 2223 distance=85' 18453-1509 BRT 594 distance=88' 18461-1529 HU 251 distance=88' 18412-1731 FEN 34 distance=88' 18347-1632 ARA 108 distance=89' 18435-1725 RST3194 distance=92' 18424-1435 HU 249 distance=93' 18409-1430 BU 967AB distance=94' 18409-1430 BU 967AC distance=94' 18409-1430 DAM 13AD distance=94' 18351-1659 MCA 52 distance=96' 18443-1443 LEO 21AB distance=98' 18443-1443 LEO 21AC distance=98' 18443-1443 J 2144AD distance=98' 18387-1429 HDS2641AB distance=98' 18387-1430 CRC 30AB distance=98' 18387-1430 CRC 30AC distance=98' 18387-1430 CRC 30AD distance=98' 18442-1733 HLD 146 distance=104' 18332-1620 ARA 107 distance=107' 18377-1742 FEN 32 distance=107' 18477-1633 RST4020 distance=107' 18344-1707 J 2217 distance=110' 18348-1449 J 2218 distance=114' 18349-1442 STF2337AB distance=116' 18349-1442 ARN 47AC distance=116' 18480-1647 HJ 2838 distance=116' 18326-1542 RBR 9 distance=117' 18338-1710 J 2216 distance=117' 18328-1656 ARA 106 distance=123' 18326-1657 ARA 283AB distance=126' 18326-1657 ARA 283AC distance=126' 18320-1641 ARA 105 distance=128' 18453-1416 RST4019 distance=129' 18381-1400 BU 135AB distance=129' 18381-1400 BU 135AC distance=129' 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 18408-1603 OL 8 71 3.4
Show 18427-1547 HU 250 298 2.2 36
Show 18390-1528 J 1834 59 7.5 44
Show 18375-1619 ARA 111 197 9.2 47
Show 18428-1523 HLD 145 51 1.5 52
Show 18369-1617 ARA 110 279 15.0 54
Show 18437-1534 J 2224 202 10.4 59
Show 18444-1623 HJ 2835 303 15.3 59
Show 18442-1539 BRT 633 42 4.8 60
Show 18369-1532 J 2220 15 6.0 61
Show 18360-1625 TDT 954 204 2.0 69
Show 18396-1713 GWP2792 136 22.6 71
Show 18363-1649 ARA 109 32 12.6 76
Show 18457-1624 J 1656 287 7.6 79
Show 18419-1445 J 2222 162 4.8 85
Show 18420-1445 J 2223 29 4.7 85
Show 18453-1509 BRT 594 110 2.2 88
Show 18461-1529 HU 251 304 2.6 88
Show 18412-1731 FEN 34 325 3.8 88
Show 18347-1632 ARA 108 17 16.2 89
Show 18435-1725 RST3194 87 4.0 92
Show 18424-1435 HU 249 225 3.2 93
Show 18409-1430 BU 967 AB 195 2.4 94
Show 18409-1430 BU 967 AC 53 39.0 94
Show 18409-1430 DAM 13 AD 66 55.5 94
Show 18351-1659 MCA 52 145 0.2 96
Show 18443-1443 LEO 21 AB 15 4.2 98
Show 18443-1443 LEO 21 AC 281 34.1 98
Show 18443-1443 J 2144 AD 23 17.5 98
Show 18387-1429 HDS2641 AB 358 0.1 98
Show 18387-1430 CRC 30 AB 261 4.8 98
Show 18387-1430 CRC 30 AC 300 9.6 98
Show 18387-1430 CRC 30 AD 61 7.3 98
Show 18442-1733 HLD 146 194 2.2 104
Show 18332-1620 ARA 107 221 8.3 107
Show 18377-1742 FEN 32 119 4.2 107
Show 18477-1633 RST4020 26 3.5 107
Show 18344-1707 J 2217 300 5.8 110
Show 18348-1449 J 2218 169 6.6 114
Show 18349-1442 STF2337 AB 296 16.6 116
Show 18349-1442 ARN 47 AC 80 377.8 116
Show 18480-1647 HJ 2838 335 33.4 116
Show 18326-1542 RBR 9 250 7.3 117
Show 18338-1710 J 2216 19 3.6 117
Show 18328-1656 ARA 106 160 10.1 123
Show 18326-1657 ARA 283 AB 34 11.9 126
Show 18326-1657 ARA 283 AC 143 13.8 126
Show 18320-1641 ARA 105 144 14.5 128
Show 18453-1416 RST4019 81 0.5 129
Show 18381-1400 BU 135 AB 189 2.5 129
Show 18381-1400 BU 135 AC 78 15.0 129

 
 
WDS 18408-1603 : COMPONENTS
 
 
  A
B pa=69.9°
sep=3.25"
 
 
18408-1603 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 184031.92-160351.4 Mag 9.7 PmRA -28.00
PmDE -18.0
 
 
18408-1603 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 184032.13-160350.3 Mag 10.4 Tycho2 6280-00789-1
Calc delta mag 0.7 Calc coord yes
Tycho2
Tycho2 6280-00789-1 Pflag RAmdeg 280.13292788 DEmdeg -16.06438925
PmRA -29.4 PmDE -26.2 E RAmdeg 44 E DEmdeg 59
E pmRA 3.7 E pmDE 4.2 EpRAm 1974.51 EpDEm 1975.43
Num 3 Q RAmdeg 2.5 Q DEmdeg 0.2 Q pmRA 2.5
Q pmDE 0.2 BTmag 13.015 E BTmag 0.422 VTmag 11.069
E VTmag 0.117 Prox 999 TYC HIP
CCDM RAdeg 280.13296306 DEdeg -16.06433167 EpRA 1990 1.72
EpDE 1990 1.69 E RAdeg 91.6 E DEdeg 108.0 Posflg
Corr -0.1