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Current system
18362-1053
EGN 23 AB
HD 171587


Nearby doubles
32' : 18379-1111
BRT2755

37' : 18382-1115
RST4018

38' : 18378-1121
HU 70

47' : 18331-1042
HDS2632AB

48' : 18343-1015
DAM 321

49' : 18334-1026
BU 642AB

66' : 18365-1159
BAR 10

70' : 18314-1048
STF2325

82' : 18308-1108
LDS 642

85' : 18355-0929
SLE 207

92' : 18413-1143
GWP2793

94' : 18311-0958
KPP2767

95' : 18422-1022
J 2522

102' : 18430-1109
KPP2763

105' : 18385-1234
J 1595

109' : 18322-0922
BU 247

110' : 18423-0952
SLE 234

115' : 18358-1246
J 2135AB

115' : 18357-1246
J 2133AB

117' : 18322-1235
RST4016

124' : 18299-1216
HU 68

126' : 18359-1300
LDS6171

127' : 18396-1250
J 524

127' : 18276-1039
DAM 320AB

131' : 18285-1013
HJ 5497

132' : 18292-1216
KPP1683



Selections
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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.

18362-1053 EGN 23 AB (HD 171587)

 
 
18h 36m 09.22s -10° 53' 26.6" P.A. 140.00 sep 3.5 mag 8.50, Sp G5 dist. 41.41 pc (135.08 l.y.)
 
 
Coord 2000 18362-1053 Discov num EGN  23 Comp AB Coord arcsec 2000 18 36 09.22 -10 53 26.6
Date first 2003 Date last 2005 Obs 4
Pa first 140 Pa last 139.7 P.A. Now (θ) 139.7°
Sep first 3.9 Sep last 3.47 Sep. Now (ρ) 3.47"
Mag pri 8.50 Mag sec delta mag (ΔM) Spectral class G5 (yellow)
Pri motion ra +127 Sec motion ra
Pri motion dec -193 Sec motion dec
Notes N U K (See Notes, Proper motion indicates non-physical, K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
This double is not physical.
 
 
18362-1053 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 171587 161652 18 36 09 -10 53 27 EGN 23 AB 2005 4 140 3.5 8.50 <===
Show 161652 18 36 09 -10 53 27 EGN 23 AC 2005 6 214 8.7 8.50 15.10 6.60
Show 161652 18 36 09 -10 53 27 EGN 23 AD 2005 4 233 13.5 8.50 16.10 7.60
Show 161652 18 36 09 -10 53 27 EGN 23 AE 2005 1 203 13.6 8.50
Show 161652 18 36 09 -10 53 27 EGN 23 AF 2005 1 154 14.5 8.50
Show 161652 18 36 09 -10 53 27 EGN 23 AG 2005 1 213 14.6 8.50
Show 161652 18 36 09 -10 53 27 EGN 23 AH 2005 2 145 16.4 8.50
Show 161652 18 36 09 -10 53 27 EGN 23 AI 2015 5 307 19.3 8.50
Show 161652 18 36 09 -10 53 27 EGN 23 AJ 2005 2 210 18.4 8.50
Show 161652 18 36 09 -10 53 27 EGN 23 AK 2015 5 171 19.1 8.50
Show 161652 18 36 09 -10 53 27 EGN 23 AL 2005 2 221 21.1 8.50
Show 161652 18 36 09 -10 53 27 EGN 23 AM 2005 2 235 21.8 8.50
13-fold system
13 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 171587 Constellation Scutum SAO 161652 HIP 91187
Tycho2 5695-00919-1 Gaia DR2 4154791250114009472 HD 171587 BD BD-10 4727
Distance 41.41 Distance ly 135.08
 
 
WDS 18362-1053 EGN 23 AB (HD 171587) : NOTES
 
 
discov_num notes refcode
EGN 23 System is only 21deg from galactic center, so 12 companion candidates
were detected. The B, C, H, I, J, K, L, and M components are unbound;
D is likely a background star as well. Single epoch, so the nature of
E, F, and G are unknown. Egn2007
 
 
REFERENCES
 
 
refcode metd author reference
Egn2007 Ao j Eggenberger, P., Udry, S., Chauvin, G. Beuzit, J.-L., Lagrange, A.-M., Segransan, 2007A&A...474..273E
Egn2007 D., & Mayor, M.
Egn2007 A&A 474, 273, 2007
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18362-1053 EGN 23 AB 2005 4 140 3.5 8.48   G5 NUD 183609.14-105324.9

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

 
 
WDS 18362-1053 EGN 23 AB (HD 171587) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18362-1053 EGN 23 AB (HD 171587) : MEASURES
 
 
No records found.

 
 
WDS 18362-1053 (HD 171587) : VIRTUAL EYEPIECE
 
 

18362-1053 EGN 23A mag 8.5 Sp G5 18362-1053 EGN 23B sep 3.4 P.A. 140.20 18362-1053 EGN 23C sep 8.6 P.A. 213.90 mag 15.1 18362-1053 EGN 23D sep 13.3 P.A. 232.90 mag 16.1 18362-1053 EGN 23E sep 13.5 P.A. 202.10 18362-1053 EGN 23F sep 14.4 P.A. 154.10 18362-1053 EGN 23G sep 14.5 P.A. 212.30 18362-1053 EGN 23H sep 16.3 P.A. 145.30 18362-1053 EGN 23I sep 19.1 P.A. 307.70 18362-1053 EGN 23J sep 18.4 P.A. 209.40 18362-1053 EGN 23K sep 19.1 P.A. 170.90 18362-1053 EGN 23L sep 20.9 P.A. 220.30 18362-1053 EGN 23M sep 21.5 P.A. 234.80 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 18362-1053 (HD 171587) : ALADIN DSS IMAGE @ 18h 36m 09.22s -10° 53' 26.6"
 
 
 
 
WDS 18362-1053 EGN 23 AB (HD 171587) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18362-1053 EGN 23AB distance=1' 18362-1053 EGN 23AC distance=1' 18362-1053 EGN 23AD distance=1' 18362-1053 EGN 23AE distance=1' 18362-1053 EGN 23AF distance=1' 18362-1053 EGN 23AG distance=1' 18362-1053 EGN 23AH distance=1' 18362-1053 EGN 23AI distance=1' 18362-1053 EGN 23AJ distance=1' 18362-1053 EGN 23AK distance=1' 18362-1053 EGN 23AL distance=1' 18362-1053 EGN 23AM distance=1' 18379-1111 BRT2755 distance=32' 18382-1115 RST4018 distance=37' 18378-1121 HU 70 distance=38' 18331-1042 HDS2632AB distance=47' 18331-1042 GII 268Aa,Ab distance=47' 18343-1015 DAM 321 distance=48' 18334-1026 BU 642AB distance=49' 18334-1026 BU 642AC distance=49' 18365-1159 BAR 10 distance=66' 18314-1048 STF2325 distance=70' 18308-1108 LDS 642 distance=82' 18305-1052 HDS2623Aa,Ab distance=83' 18355-0929 SLE 207 distance=85' 18413-1143 GWP2793 distance=92' 18311-0958 KPP2767 distance=94' 18422-1022 J 2522 distance=95' 18430-1109 KPP2763 distance=102' 18385-1234 J 1595 distance=105' 18322-0922 BU 247 distance=109' 18423-0952 SLE 234 distance=110' 18358-1246 J 2135BC distance=115' 18357-1246 J 2133BC distance=115' 18358-1246 J 2135AB distance=115' 18357-1246 J 2133AB distance=115' 18357-1246 J 2133AD distance=115' 18322-1235 RST4016 distance=117' 18299-1216 HU 68 distance=124' 18359-1300 LDS6171 distance=126' 18396-1250 J 524 distance=127' 18276-1039 DAM 320AB distance=127' 18276-1039 DAM 320AC distance=127' 18285-1013 HJ 5497 distance=131' 18292-1216 KPP1683 distance=132' 18452-1104 J 465 distance=133' 18452-1125 TDT1034 distance=137' 18331-0845 HJ 5498AB distance=137' 18331-0845 HJ 5498AC distance=137' 18331-0845 ABH 101AD distance=137' 18331-0845 ABH 101AE distance=137' 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 18362-1053 EGN 23 AB 140 3.5 1
Show 18362-1053 EGN 23 AC 214 8.7 1
Show 18362-1053 EGN 23 AD 233 13.5 1
Show 18362-1053 EGN 23 AE 203 13.6 1
Show 18362-1053 EGN 23 AF 154 14.5 1
Show 18362-1053 EGN 23 AG 213 14.6 1
Show 18362-1053 EGN 23 AH 145 16.4 1
Show 18362-1053 EGN 23 AI 307 19.3 1
Show 18362-1053 EGN 23 AJ 210 18.4 1
Show 18362-1053 EGN 23 AK 171 19.1 1
Show 18362-1053 EGN 23 AL 221 21.1 1
Show 18362-1053 EGN 23 AM 235 21.8 1
Show 18379-1111 BRT2755 132 3.7 32
Show 18382-1115 RST4018 63 0.4 37
Show 18378-1121 HU 70 181 0.2 38
Show 18331-1042 HDS2632 AB 24 0.5 47
Show 18331-1042 GII 268 Aa,Ab 138 0.1 47
Show 18343-1015 DAM 321 53 4.5 48
Show 18334-1026 BU 642 AB 89 4.2 49
Show 18334-1026 BU 642 AC 30 63.3 49
Show 18365-1159 BAR 10 134 0.4 66
Show 18314-1048 STF2325 257 12.4 70
Show 18308-1108 LDS 642 336 80.6 82
Show 18305-1052 HDS2623 Aa,Ab 80 0.0 83
Show 18355-0929 SLE 207 252 16.4 85
Show 18413-1143 GWP2793 320 9.1 92
Show 18311-0958 KPP2767 237 11.7 94
Show 18422-1022 J 2522 232 3.3 95
Show 18430-1109 KPP2763 138 34.3 102
Show 18385-1234 J 1595 64 11.3 105
Show 18322-0922 BU 247 167 7.9 109
Show 18423-0952 SLE 234 60 6.6 110
Show 18358-1246 J 2135 BC 21 4.9 115
Show 18357-1246 J 2133 BC 321 5.6 115
Show 18358-1246 J 2135 AB 19 4.9 115
Show 18357-1246 J 2133 AB 15 7.4 115
Show 18357-1246 J 2133 AD 77 13.0 115
Show 18322-1235 RST4016 31 0.9 117
Show 18299-1216 HU 68 118 3.1 124
Show 18359-1300 LDS6171 270 5.0 126
Show 18396-1250 J 524 312 3.6 127
Show 18276-1039 DAM 320 AB 64 16.5 127
Show 18276-1039 DAM 320 AC 97 8.0 127
Show 18285-1013 HJ 5497 224 16.1 131
Show 18292-1216 KPP1683 264 13.0 132
Show 18452-1104 J 465 30 2.3 133
Show 18452-1125 TDT1034 20 1.7 137
Show 18331-0845 HJ 5498 AB 95 14.4 137
Show 18331-0845 HJ 5498 AC 168 25.2 137
Show 18331-0845 ABH 101 AD 124 49.4 137
Show 18331-0845 ABH 101 AE 165 83.6 137

 
 
WDS 18362-1053 : COMPONENTS
 
 
  A B C D E F G H I J K L
B pa=140.2°
sep=3.44"
 
C pa=213.9°
sep=8.61"
pa=237.3°
sep=8.33"
 
D pa=232.9°
sep=13.35"
pa=247.2°
sep=13.95"
pa=261.2°
sep=5.92"
 
E pa=202.1°
sep=13.52"
pa=216.5°
sep=12.29"
pa=183.1°
sep=5.39"
pa=128.8°
sep=7.13"
 
F pa=154.1°
sep=14.45"
pa=158.4°
sep=11.14"
pa=117.8°
sep=12.56"
pa=106.3°
sep=17.67"
pa=92.4°
sep=11.41"
 
G pa=212.3°
sep=14.53"
pa=226.0°
sep=13.87"
pa=210.0°
sep=5.93"
pa=145.7°
sep=5.11"
pa=275.3°
sep=2.69"
pa=272.9°
sep=14.10"
 
H pa=145.3°
sep=16.28"
pa=146.6°
sep=12.86"
pa=113.9°
sep=15.40"
pa=105.0°
sep=20.62"
pa=93.4°
sep=14.39"
pa=97.4°
sep=2.99"
pa=93.7°
sep=17.08"
 
I pa=307.7°
sep=19.08"
pa=309.6°
sep=22.45"
pa=331.3°
sep=21.44"
pa=347.3°
sep=20.22"
pa=337.5°
sep=26.18"
pa=319.1°
sep=32.66"
pa=343.0°
sep=25.04"
pa=315.8°
sep=34.95"
 
J pa=209.4°
sep=18.36"
pa=220.0°
sep=17.43"
pa=205.3°
sep=9.80"
pa=168.3°
sep=8.12"
pa=228.3°
sep=5.23"
pa=258.9°
sep=15.60"
pa=198.3°
sep=3.92"
pa=261.8°
sep=18.46"
pa=167.6°
sep=28.33"
 
K pa=170.9°
sep=19.10"
pa=177.1°
sep=16.23"
pa=146.2°
sep=14.09"
pa=128.3°
sep=17.43"
pa=127.9°
sep=10.30"
pa=209.2°
sep=6.71"
pa=121.3°
sep=12.65"
pa=228.7°
sep=8.30"
pa=149.3°
sep=35.50"
pa=103.4°
sep=12.37"
 
L pa=220.3°
sep=20.89"
pa=229.8°
sep=20.58"
pa=224.7°
sep=12.37"
pa=199.9°
sep=8.38"
pa=247.9°
sep=9.07"
pa=261.6°
sep=20.03"
pa=237.5°
sep=6.80"
pa=263.6°
sep=22.92"
pa=176.7°
sep=27.65"
pa=270.8°
sep=4.51"
pa=280.0°
sep=16.79"
 
M pa=234.8°
sep=21.54"
pa=243.8°
sep=22.08"
pa=247.6°
sep=13.84"
pa=237.9°
sep=8.20"
pa=270.5°
sep=12.50"
pa=271.4°
sep=23.92"
pa=269.2°
sep=9.83"
pa=272.1°
sep=26.89"
pa=185.9°
sep=24.21"
pa=292.7°
sep=9.32"
pa=287.4°
sep=21.62"
pa=310.7°
sep=5.40"
 
 
18362-1053 A
 
 
Name HD 171587 Coord arcsec 2000 183609.22-105326.6 Mag 8.5 Spectral class G5 (yellow)
PmRA 127.00 PmDE -193.0 SAO 161652 HIP 91187
Tycho2 5695-00919-1 HD 171587 BD BD-10 4727
Tycho2
Tycho2 5695-00919-1 Pflag RAmdeg 279.03842053 DEmdeg -10.89071476
PmRA 127.6 PmDE -193.7 E RAmdeg 10 E DEmdeg 11
E pmRA 1.2 E pmDE 1.2 EpRAm 1990.00 EpDEm 1989.77
Num 9 Q RAmdeg 0.9 Q DEmdeg 0.5 Q pmRA 1.0
Q pmDE 0.6 BTmag 9.400 E BTmag 0.024 VTmag 8.615
E VTmag 0.018 Prox 999 TYC T HIP 91187
CCDM RAdeg 279.03812194 DEdeg -10.89026944 EpRA 1990 1.73
EpDE 1990 1.72 E RAdeg 10.4 E DEdeg 12.2 Posflg
Corr 0.2
SAO
SAO 161652 DelFlag RA1950 PmRA1950 0.0091
DE1950 PmDE1950 -0.177 Vmag 8.5 SpType G5
Double code Source 20 CatNum 6373 DM BD-10 4727
DMcomp BDsup HD 171587 M HD 0
GC RA1950rad 4.85800007 DE1950rad -0.1907645 PmRA2000 0.0094
PmDE2000 -0.175
Hipparcos
Catalog H HIP 91187 Proxy RAhms 18 36 09.14
DEdms -10 53 24.9 Vmag 8.52 VarFlag R Vmag H
RAdeg 279.038 DEdeg -10.8902 AstroRef Plx 24.08
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 171587 BD BD-10 4727
CD CP Dm number -10 4727 VIred 0.75
SpType G5 R SpType Coord arcsec 2000 183609.14-105324.9
Hipparcos 2
HIP 91187 Sn 5 So 0 Nc 1
RArad 4.8701336531 DErad -0.190070591 Plx 24.15 PmRA 126.54
PmDE -194.15 E RArad 0.8 E DErad 0.58 E Plx 0.98
E pmRA 0.78 E pmDE 0.61 Hpmag 8.6576 E Hpmag 0.0021
SHp 0.015 VA 0 BV 0.691 E BV 0.012
VI 0.75
 
 
18362-1053 B
 
 
Coord arcsec 2000 183609.37-105329.2 Calc delta mag 8.5 Calc coord yes
 
 
18362-1053 C
 
 
Coord arcsec 2000 183608.89-105333.7 Mag 15.1 Calc delta mag 6.6 Calc coord yes
 
 
18362-1053 D
 
 
Coord arcsec 2000 183608.50-105334.7 Mag 16.1 Calc delta mag 7.6 Calc coord yes
 
 
18362-1053 E
 
 
Coord arcsec 2000 183608.87-105339.1 Calc delta mag 8.5 Calc coord yes
 
 
18362-1053 F
 
 
Coord arcsec 2000 183609.65-105339.6 Calc delta mag 8.5 Calc coord yes
 
 
18362-1053 G
 
 
Coord arcsec 2000 183608.69-105338.9 Calc delta mag 8.5 Calc coord yes
 
 
18362-1053 H
 
 
Coord arcsec 2000 183609.85-105340.0 Calc delta mag 8.5 Calc coord yes
 
 
18362-1053 I
 
 
Coord arcsec 2000 183608.20-105314.9 Calc delta mag 8.5 Calc coord yes
 
 
18362-1053 J
 
 
Coord arcsec 2000 183608.61-105342.6 Calc delta mag 8.5 Calc coord yes
 
 
18362-1053 K
 
 
Coord arcsec 2000 183609.43-105345.5 Calc delta mag 8.5 Calc coord yes
 
 
18362-1053 L
 
 
Coord arcsec 2000 183608.30-105342.5 Calc delta mag 8.5 Calc coord yes
 
 
18362-1053 M
 
 
Coord arcsec 2000 183608.03-105339.0 Calc delta mag 8.5 Calc coord yes