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Doubles in session


Current system
18181-1215
SS 7 AF
MY Ser


Nearby doubles
2' : 18181-1214
LNV 7

12' : 18175-1206
WRS 12

12' : 18187-1206
SNA 90AB

16' : 18182-1159
SKF1505

17' : 18188-1227
SZA 5

18' : 18183-1157
BRT2750

20' : 18181-1155
TDT 783

25' : 18164-1214
BRT2747

26' : 18184-1239
TDT 785

34' : 18195-1242
RST4006

40' : 18166-1247
TSN 45

49' : 18202-1137
BRT2751

53' : 18207-1138
SKF2802

56' : 18181-1310
HU 59

57' : 18181-1118
SNA 86

59' : 18218-1155
EGN 22AB
Alasia

66' : 18218-1139
HU 62

71' : 18226-1152
BU 1252

71' : 18161-1111
HDS2579

71' : 18228-1229
KPP4106

75' : 18189-1101
HU 60

76' : 18143-1306
RST4003

79' : 18210-1321
BWE 2

80' : 18146-1113
HLD 142

86' : 18234-1137
BVD 126

87' : 18186-1341
DCH 20



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.
 
 
WDS 18181-1215 : COMPONENTS
 
 
  A Ab B C D E F G H I J K L M N O P
Ab pa=261.4°
sep=0.02"
 
B pa=39.8°
sep=4.79"
pa=39.9°
sep=4.81"
 
C pa=190.6°
sep=14.40"
pa=190.5°
sep=14.39"
pa=197.7°
sep=18.73"
 
D pa=260.0°
sep=17.72"
pa=260.0°
sep=17.70"
pa=251.7°
sep=21.61"
pa=306.8°
sep=18.49"
 
E pa=216.7°
sep=17.96"
pa=216.6°
sep=17.95"
pa=217.3°
sep=22.75"
pa=268.2°
sep=8.09"
pa=149.3°
sep=13.17"
 
F pa=15.2°
sep=30.06"
pa=15.2°
sep=30.07"
pa=10.7°
sep=25.78"
pa=13.7°
sep=44.42"
pa=38.3°
sep=40.88"
pa=23.2°
sep=47.23"
 
G pa=8.5°
sep=39.39"
pa=8.5°
sep=39.39"
pa=4.5°
sep=35.38"
pa=9.1°
sep=53.78"
pa=29.0°
sep=48.06"
pa=17.2°
sep=55.87"
pa=348.4°
sep=10.15"
 
H pa=268.3°
sep=39.86"
pa=268.3°
sep=39.84"
pa=263.5°
sep=43.19"
pa=289.2°
sep=39.39"
pa=274.8°
sep=22.47"
pa=294.4°
sep=31.97"
pa=237.6°
sep=56.48"
pa=228.7°
sep=60.82"
 
I pa=299.5°
sep=44.89"
pa=299.5°
sep=44.87"
pa=293.6°
sep=45.99"
pa=314.8°
sep=51.39"
pa=319.3°
sep=33.18"
pa=322.1°
sep=46.21"
pa=261.6°
sep=47.46"
pa=249.4°
sep=47.98"
pa=1.9°
sep=23.30"
 
J pa=257.9°
sep=44.37"
pa=257.9°
sep=44.35"
pa=254.4°
sep=48.23"
pa=276.8°
sep=41.04"
pa=256.6°
sep=26.67"
pa=278.9°
sep=33.07"
pa=233.2°
sep=63.98"
pa=225.6°
sep=68.91"
pa=203.7°
sep=8.81"
pa=187.8°
sep=31.65"
 
K pa=262.3°
sep=48.52"
pa=262.3°
sep=48.50"
pa=258.7°
sep=52.15"
pa=279.6°
sep=46.08"
pa=263.6°
sep=30.82"
pa=282.0°
sep=38.18"
pa=237.6°
sep=66.26"
pa=229.9°
sep=70.51"
pa=237.3°
sep=9.79"
pa=197.5°
sep=29.96"
pa=300.6°
sep=5.45"
 
L pa=347.9°
sep=51.72"
pa=347.9°
sep=51.72"
pa=343.5°
sep=48.91"
pa=352.8°
sep=65.24"
pa=7.0°
sep=54.06"
pa=359.9°
sep=64.98"
pa=319.0°
sep=28.56"
pa=304.8°
sep=20.33"
pa=29.2°
sep=59.34"
pa=44.7°
sep=40.10"
pa=28.5°
sep=68.11"
pa=33.1°
sep=68.13"
 
M pa=254.5°
sep=63.04"
pa=254.5°
sep=63.02"
pa=252.1°
sep=67.03"
pa=267.3°
sep=58.16"
pa=252.3°
sep=45.43"
pa=267.2°
sep=50.07"
pa=236.2°
sep=82.54"
pa=230.0°
sep=86.88"
pa=233.1°
sep=26.12"
pa=209.1°
sep=44.57"
pa=246.3°
sep=18.94"
pa=230.6°
sep=16.37"
pa=216.5°
sep=83.89"
 
N pa=279.8°
sep=69.69"
pa=279.8°
sep=69.67"
pa=276.5°
sep=72.20"
pa=291.5°
sep=70.98"
pa=286.3°
sep=53.36"
pa=294.4°
sep=63.63"
pa=257.4°
sep=78.43"
pa=250.0°
sep=79.26"
pa=294.4°
sep=31.66"
pa=251.0°
sep=31.29"
pa=309.9°
sep=32.97"
pa=311.8°
sep=27.60"
pa=236.2°
sep=69.56"
pa=344.6°
sep=29.84"
 
O pa=305.2°
sep=70.98"
pa=305.2°
sep=70.97"
pa=301.4°
sep=71.52"
pa=314.9°
sep=78.09"
pa=317.4°
sep=59.84"
pa=319.5°
sep=72.78"
pa=280.3°
sep=66.92"
pa=271.8°
sep=63.85"
pa=336.7°
sep=45.89"
pa=314.9°
sep=26.70"
pa=343.8°
sep=52.29"
pa=348.2°
sep=48.46"
pa=258.4°
sep=48.10"
pa=2.7°
sep=57.88"
pa=20.2°
sep=30.95"
 
P pa=285.7°
sep=71.00"
pa=285.7°
sep=70.98"
pa=282.3°
sep=73.08"
pa=297.0°
sep=73.70"
pa=293.7°
sep=55.57"
pa=300.3°
sep=66.72"
pa=262.7°
sep=76.82"
pa=255.1°
sep=76.73"
pa=305.7°
sep=35.08"
pa=264.5°
sep=29.38"
pa=318.8°
sep=37.90"
pa=321.8°
sep=32.77"
pa=241.4°
sep=65.44"
pa=348.1°
sep=36.94"
pa=2.6°
sep=7.38"
pa=205.5°
sep=24.02"
 
Q pa=291.1°
sep=83.23"
pa=291.1°
sep=83.22"
pa=288.1°
sep=84.88"
pa=300.5°
sep=87.03"
pa=298.8°
sep=68.68"
pa=303.6°
sep=80.31"
pa=270.7°
sep=85.50"
pa=263.9°
sep=83.94"
pa=309.6°
sep=49.02"
pa=281.6°
sep=39.36"
pa=318.9°
sep=52.12"
pa=321.0°
sep=46.98"
pa=252.9°
sep=69.86"
pa=340.2°
sep=49.85"
pa=333.7°
sep=20.23"
pa=240.9°
sep=22.47"
pa=319.2°
sep=14.22"
 
 
18181-1215 A
 
 
Coord arcsec 2000 181805.90-121433.3 Mag 7.45 Spectral class O8Ia (blue) PmRA 0.00
PmDE -3.0 SAO 161292 HIP 89681 Tycho2 5685-04419-1
HD 167971 GC 24969 BD BD-12 4980
Tycho2
Tycho2 5685-04419-1 Pflag RAmdeg 274.52456219 DEmdeg -12.24258212
PmRA -0.3 PmDE -1.7 E RAmdeg 5 E DEmdeg 6
E pmRA 1.1 E pmDE 1.1 EpRAm 1991.31 EpDEm 1991.01
Num 15 Q RAmdeg 1.2 Q DEmdeg 1.2 Q pmRA 1.1
Q pmDE 1.1 BTmag 8.291 E BTmag 0.016 VTmag 7.573
E VTmag 0.011 Prox 302 TYC T HIP 89681
CCDM RAdeg 274.52456306 DEdeg -12.24257806 EpRA 1990 1.91
EpDE 1990 1.82 E RAdeg 4.8 E DEdeg 6.0 Posflg
Corr -0.2
SAO
SAO 161292 DelFlag RA1950 PmRA1950 -0.0009
DE1950 PmDE1950 0.012 Vmag 7.3 SpType B0
Double code Source 70 CatNum 24969 DM BD-12 4980
DMcomp BDsup HD 167971 M HD 0
GC 24969 RA1950rad 4.77911888 DE1950rad -0.21402423 PmRA2000 -0.0007
PmDE2000 0.014
Hipparcos
Catalog H HIP 89681 Proxy RAhms 18 18 05.90
DEdms -12 14 33.3 Vmag 7.38 VarFlag 2 R Vmag H
RAdeg 274.525 DEdeg -12.2426 AstroRef Plx 1.3
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 167971 BD BD-12 4980
CD CP Dm number -12 4980 VIred 0.72
SpType O8/9f R SpType Coord arcsec 2000 181805.90-121433.3
Hipparcos 2
HIP 89681 Sn 5 So 0 Nc 1
RArad 4.791357533 DErad -0.2136733046 Plx 1.51 PmRA -1.75
PmDE -1.1 E RArad 0.73 E DErad 0.52 E Plx 0.83
E pmRA 1.04 E pmDE 0.65 Hpmag 7.5193 E Hpmag 0.0092
SHp 0.093 VA 1 BV 0.657 E BV 0.018
VI 0.72
 
 
18181-1215 Ab
 
 
Coord arcsec 2000 181805.90-121433.3 Mag 6 Calc delta mag 0.2 Calc coord yes
 
 
18181-1215 B
 
 
Coord arcsec 2000 181806.11-121429.6 Mag 16 Calc delta mag 10.2 Calc coord yes
 
 
18181-1215 C
 
 
Coord arcsec 2000 181805.72-121447.5 Mag 14.3 PmRA -12.00 PmDE -9.0
Calc delta mag 8.5 Calc coord yes
 
 
18181-1215 D
 
 
Coord arcsec 2000 181804.71-121436.4 Mag 12.9 PmRA -5.00 PmDE -5.0
Calc delta mag 7.1 Calc coord yes
 
 
18181-1215 E
 
 
Coord arcsec 2000 181805.17-121447.7 Mag 13 PmRA -9.00 PmDE -5.0
Calc delta mag 7.2 Calc coord yes
 
 
18181-1215 F
 
 
Coord arcsec 2000 181806.44-121404.3 Mag 10.8 Spectral class B0 (blue-white) PmRA -2.00
PmDE -1.0 Calc delta mag 5 Calc coord yes
 
 
18181-1215 G
 
 
Coord arcsec 2000 181806.30-121354.3 Mag 15.5 PmRA -4.00 PmDE 0.0
Calc delta mag 9.7 Calc coord yes
 
 
18181-1215 H
 
 
Coord arcsec 2000 181803.18-121434.5 Mag 9.8 Spectral class O9.5V (blue) PmRA 0.00
PmDE -1.0 Calc delta mag 4 Calc coord yes
 
 
18181-1215 I
 
 
Coord arcsec 2000 181803.23-121411.2 Mag 13.7 Calc delta mag 7.9 Calc coord yes
 
 
18181-1215 J
 
 
Coord arcsec 2000 181802.94-121442.6 Mag 11.42 Calc delta mag 5.62 Calc coord yes
 
 
18181-1215 K
 
 
Coord arcsec 2000 181802.62-121439.8 Coord calc 181802.62-121439.8 Mag 10.51 Spectral class B (blue-white)
PmRA -1.00 PmDE -6.0 Calc delta mag 4.71
 
 
18181-1215 L
 
 
Coord arcsec 2000 181805.16-121342.7 Mag 14.5 PmRA -6.00 PmDE -12.0
Calc delta mag 8.7 Calc coord yes
 
 
18181-1215 M
 
 
Coord arcsec 2000 181801.76-121450.2 Mag 15.3 PmRA -10.00 PmDE 0.0
Calc delta mag 9.5 Calc coord yes
 
 
18181-1215 N
 
 
Coord arcsec 2000 181801.22-121421.4 Mag 15.1 PmRA 3.00 PmDE -24.0
Calc delta mag 9.3 Calc coord yes
 
 
18181-1215 O
 
 
Coord arcsec 2000 181801.94-121352.4 Mag 15.9 PmRA 7.00 PmDE 2.0
Calc delta mag 10.1 Calc coord yes
 
 
18181-1215 P
 
 
Coord arcsec 2000 181801.24-121414.0 Mag 10.4 Spectral class B (blue-white) PmRA -1.00
PmDE -6.0 Tycho2 5685-04407-1 Calc delta mag 4.6 Calc coord yes
Tycho2
Tycho2 5685-04407-1 Pflag RAmdeg 274.50470318 DEmdeg -12.23714770
PmRA -0.6 PmDE -5.9 E RAmdeg 41 E DEmdeg 47
E pmRA 2.0 E pmDE 2.0 EpRAm 1986.59 EpDEm 1984.48
Num 3 Q RAmdeg 1.9 Q DEmdeg 0.5 Q pmRA 1.9
Q pmDE 0.4 BTmag 11.266 E BTmag 0.083 VTmag 10.508
E VTmag 0.063 Prox 56 TYC T HIP
CCDM RAdeg 274.50470444 DEdeg -12.23713444 EpRA 1990 1.94
EpDE 1990 1.89 E RAdeg 42.2 E DEdeg 49.4 Posflg
Corr -0.4
 
 
18181-1215 Q
 
 
Coord arcsec 2000 181800.60-121403.3 Mag 11.7 PmRA -2.00 PmDE -3.0
Calc delta mag 5.9 Calc coord yes