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Doubles in session


Current system
16376-4053
EGN 18 AB


Nearby doubles
18' : 16390-4101
BRT 912

34' : 16398-4115
KPP1510

34' : 16393-4026
RST1893

38' : 16365-4018
SHT 66AB

39' : 16383-4016
CPO 486

39' : 16409-4052
RST1895

49' : 16341-4121
BRT 903

52' : 16408-4018
I 1590

55' : 16419-4028
KOU 66AB

67' : 16404-3955
SEE 283AB

67' : 16419-4009
SKF2056

70' : 16407-3953
TOB 8

72' : 16315-4035
TDS9949

73' : 16439-4107
CPO 70AB

79' : 16317-4013
B 2813AB

81' : 16447-4050
I 1592AB

82' : 16436-4139
BRT 919

82' : 16314-4014
WG 189

83' : 16316-4139
I 1295AB

86' : 16302-4039
TDS9935

87' : 16317-4149
DAW 146AB

91' : 16417-3936
TDT 35

95' : 16456-4122
NSN 382

97' : 16380-3917
FIN 29

100' : 16289-4042
KPP1041

110' : 16437-3929
B 1323



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

16376-4053 EGN 18 AB

 
 
16h 37m 36.11s -40° 53' 17.0" P.A. 351.00 sep 3.5 mag 8.94,18.90 Sp K2.5V dist. 31.14 pc (101.58 l.y.)
 
 
Coord 2000 16376-4053 Discov num EGN  18 Comp AB Coord arcsec 2000 16 37 36.11 -40 53 17.0
Date first 2004 Date last 2005 Obs 2
Pa first 346 Pa last 351.1 P.A. Now (θ) 351.1°
Sep first 3.2 Sep last 3.45 Sep. Now (ρ) 3.45"
Mag pri 8.94 Mag sec 18.90 delta mag (ΔM) 9.96 Spectral class K2.5V (yellow-orange)
Pri motion ra -383 Sec motion ra
Pri motion dec -389 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.
 
 
16376-4053 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 226972 16 37 36 -40 53 17 EGN 18 AB 2005 2 351 3.5 8.94 18.90 9.96 <===
Show 226972 16 37 36 -40 53 17 EGN 18 AC 2005 2 4 3.6 8.94 18.20 9.26
Show 226972 16 37 36 -40 53 17 EGN 18 AD 2005 2 80 5.1 8.94 18.60 9.66
Show 226972 16 37 36 -40 53 17 EGN 18 AE 2005 3 119 6.3 8.94 17.40 8.46
Show 226972 16 37 36 -40 53 17 EGN 18 AF 2005 2 236 6.6 8.94 18.90 9.96
Sextuple system
6 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Scorpius SAO 226972 HIP 81407 Tycho2 7858-01813-1
Gaia DR2 5968869746693011200 HD 149606 CD CD-4010550 CP CP-40 7392
Distance 31.14 Distance ly 101.58
 
 
WDS 16376-4053 EGN 18 AB : NOTES
 
 
discov_num notes refcode
EGN 18 All 5 companion candidates (B, C, D, E, F) are background stars. 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
16376-4053 EGN 18 AB 2005 2 351 3.5 8.94   K2.5V NUD 163736.41-405313.6

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

 
 
WDS 16376-4053 EGN 18 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 16376-4053 EGN 18 AB : MEASURES
 
 
No records found.

 
 
WDS 16376-4053 : VIRTUAL EYEPIECE
 
 

16376-4053 EGN 18A mag 8.94 Sp K2.5V 16376-4053 EGN 18B sep 3.4 P.A. 353.20 mag 18.9 16376-4053 EGN 18C sep 3.6 P.A. 3.30 mag 18.2 16376-4053 EGN 18D sep 3.9 P.A. 77.10 mag 18.6 16376-4053 EGN 18E sep 5.1 P.A. 126.20 mag 17.4 16376-4053 EGN 18F sep 5.5 P.A. 228.30 mag 18.9 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 16376-4053 : ALADIN DSS IMAGE @ 16h 37m 36.11s -40° 53' 17.0"
 
 
 
 
WDS 16376-4053 EGN 18 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

16376-4053 EGN 18AB distance=0' 16390-4101 BRT 912 distance=18' 16398-4115 KPP1510 distance=34' 16393-4026 RST1893 distance=34' 16365-4018 SHT 66AB distance=38' 16383-4016 CPO 486 distance=39' 16409-4052 RST1895 distance=39' 16341-4121 BRT 903 distance=49' 16408-4018 I 1590 distance=52' 16419-4028 KOU 66AB distance=55' 16419-4028 KOU 66AC distance=55' 16404-3955 SEE 283AB distance=67' 16404-3955 SEE 283AC distance=67' 16419-4009 SKF2056 distance=67' 16407-3953 TOB 8 distance=70' 16315-4035 TDS9949 distance=72' 16439-4107 CPO 70AB distance=73' 16439-4107 SHT 68AC distance=73' 16439-4107 SHT 68AD distance=73' 16439-4107 SHT 68AE distance=73' 16439-4107 KOU 67AF distance=73' 16317-4013 TDS9952Aa,Ab distance=79' 16317-4013 B 2813AB distance=79' 16317-4013 DAM 696AC distance=79' 16447-4050 I 1592AB distance=81' 16447-4050 SHT 69AC distance=81' 16447-4050 SHT 69AD distance=81' 16447-4050 SHT 69AE distance=81' 16436-4139 BRT 919 distance=82' 16314-4014 WG 189 distance=82' 16316-4139 I 1295AB distance=83' 16302-4039 TDS9935 distance=86' 16317-4149 DAW 146AB distance=87' 16317-4149 DUN 202AC distance=87' 16417-3936 TDT 35 distance=91' 16456-4122 NSN 382 distance=95' 16380-3917 FIN 29 distance=97' 16289-4042 KPP1041 distance=100' 16437-3929 B 1323 distance=110' 16466-4137 SNA 44Aa,Ab distance=111' 16466-4137 SNA 44AB distance=111' 16459-3953 HDS2380 distance=113' 16278-4118 HDS2327 distance=114' 16432-4229 I 1591 distance=115' 16479-4058 LDS 570AB distance=117' 16479-4058 SIN 98BC distance=117' 16479-4058 SIN 98BD distance=117' 16444-4224 DUN 207 distance=119' 16364-4252 SNA 42 distance=120' 16464-4200 LDS 569 distance=120' 16339-4253 RSS 411 distance=127' 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 16376-4053 EGN 18 AB 351 3.5
Show 16376-4053 EGN 18 AC 4 3.6
Show 16376-4053 EGN 18 AD 80 5.1
Show 16376-4053 EGN 18 AE 119 6.3
Show 16376-4053 EGN 18 AF 236 6.6
Show 16390-4101 BRT 912 102 4.6 18
Show 16398-4115 KPP1510 163 11.4 34
Show 16393-4026 RST1893 272 0.2 34
Show 16365-4018 SHT 66 AB 67 5.6 38
Show 16383-4016 CPO 486 314 9.2 39
Show 16409-4052 RST1895 224 1.6 39
Show 16341-4121 BRT 903 189 3.7 49
Show 16408-4018 I 1590 161 0.6 52
Show 16419-4028 KOU 66 AB 68 8.9 55
Show 16419-4028 KOU 66 AC 220 6.1 55
Show 16404-3955 SEE 283 AB 141 7.2 67
Show 16404-3955 SEE 283 AC 269 22.0 67
Show 16419-4009 SKF2056 353 120.5 67
Show 16407-3953 TOB 8 173 21.7 70
Show 16315-4035 TDS9949 115 0.5 72
Show 16439-4107 CPO 70 AB 257 97.3 73
Show 16439-4107 SHT 68 AC 76 5.1 73
Show 16439-4107 SHT 68 AD 286 5.2 73
Show 16439-4107 SHT 68 AE 50 6.2 73
Show 16439-4107 KOU 67 AF 40 9.1 73
Show 16317-4013 TDS9952 Aa,Ab 290 0.4 79
Show 16317-4013 B 2813 AB 105 12.9 79
Show 16317-4013 DAM 696 AC 63 10.9 79
Show 16447-4050 I 1592 AB 258 7.1 81
Show 16447-4050 SHT 69 AC 312 2.0 81
Show 16447-4050 SHT 69 AD 110 2.8 81
Show 16447-4050 SHT 69 AE 214 5.0 81
Show 16436-4139 BRT 919 42 4.8 82
Show 16314-4014 WG 189 253 5.4 82
Show 16316-4139 I 1295 AB 65 1.1 83
Show 16302-4039 TDS9935 192 2.0 86
Show 16317-4149 DAW 146 AB 127 8.5 87
Show 16317-4149 DUN 202 AC 179 58.0 87
Show 16417-3936 TDT 35 214 1.2 91
Show 16456-4122 NSN 382 212 5.4 95
Show 16380-3917 FIN 29 286 3.1 97
Show 16289-4042 KPP1041 256 8.3 100
Show 16437-3929 B 1323 194 3.3 110
Show 16466-4137 SNA 44 Aa,Ab 259 0.0 111
Show 16466-4137 SNA 44 AB 316 4.0 111
Show 16459-3953 HDS2380 195 0.1 113
Show 16278-4118 HDS2327 210 0.1 114
Show 16432-4229 I 1591 11 0.6 115
Show 16479-4058 LDS 570 AB 162 24.4 117
Show 16479-4058 SIN 98 BC 70 90.4 117
Show 16479-4058 SIN 98 BD 290 103.1 117

 
 
WDS 16376-4053 : COMPONENTS
 
 
  A B C D E
B pa=353.2°
sep=3.43"
 
C pa=3.3°
sep=3.59"
pa=74.4°
sep=0.64"
 
D pa=77.1°
sep=3.87"
pa=121.3°
sep=4.89"
pa=127.3°
sep=4.48"
 
E pa=126.2°
sep=5.13"
pa=144.8°
sep=7.88"
pa=149.3°
sep=7.69"
pa=174.7°
sep=3.91"
 
F pa=228.3°
sep=5.50"
pa=207.6°
sep=7.98"
pa=210.8°
sep=8.43"
pa=240.1°
sep=9.09"
pa=265.6°
sep=8.27"
 
 
16376-4053 A
 
 
Coord arcsec 2000 163736.11-405317.0 Mag 8.94 Spectral class K2.5V (yellow-orange) PmRA -383.00
PmDE -389.0 SAO 226972 HIP 81407 Tycho2 7858-01813-1
HD 149606 CD CD-4010550 CP CP-40 7392
Tycho2
Tycho2 7858-01813-1 Pflag RAmdeg 249.40047350 DEmdeg -40.88807181
PmRA -378.2 PmDE -387.1 E RAmdeg 16 E DEmdeg 18
E pmRA 1.4 E pmDE 1.5 EpRAm 1988.88 EpDEm 1988.95
Num 9 Q RAmdeg 0.6 Q DEmdeg 0.8 Q pmRA 0.6
Q pmDE 0.8 BTmag 10.267 E BTmag 0.040 VTmag 9.128
E VTmag 0.023 Prox 999 TYC T HIP 81407
CCDM RAdeg 249.40162333 DEdeg -40.88716556 EpRA 1990 1.73
EpDE 1990 1.57 E RAdeg 17.2 E DEdeg 18.9 Posflg
Corr 0.3
SAO
SAO 226972 DelFlag RA1950 PmRA1950 -0.0322
DE1950 PmDE1950 -0.371 Vmag 8.5 SpType K0
Double code Source 48 CatNum 15017 DM CP-40 7392
DMcomp BDsup HD 149606 M HD 0
GC RA1950rad 4.33788526 DE1950rad -0.71179055 PmRA2000 -0.032
PmDE2000 -0.372
Hipparcos
Catalog H HIP 81407 Proxy RAhms 16 37 36.41
DEdms -40 53 13.6 Vmag 8.95 VarFlag R Vmag G
RAdeg 249.402 DEdeg -40.8871 AstroRef Plx 30.89
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 149606 BD
CD CD-4010550 CP CP-40 7392 Dm number -4010550 VIred 1.01
SpType K2V R SpType Coord arcsec 2000 163736.41-405313.6
Hipparcos 2
HIP 81407 Sn 5 So 0 Nc 1
RArad 4.3528806014 DErad -0.7136149202 Plx 32.11 PmRA -376.82
PmDE -383.62 E RArad 1.09 E DErad 0.96 E Plx 1.29
E pmRA 1.27 E pmDE 1.09 Hpmag 9.1002 E Hpmag 0.0026
SHp 0.016 VA 0 BV 0.965 E BV 0.019
VI 1.01
 
 
16376-4053 B
 
 
Coord arcsec 2000 163736.07-405313.6 Mag 18.9 Calc delta mag 9.96 Calc coord yes
 
 
16376-4053 C
 
 
Coord arcsec 2000 163736.13-405313.4 Mag 18.2 Calc delta mag 9.26 Calc coord yes
 
 
16376-4053 D
 
 
Coord arcsec 2000 163736.44-405316.1 Mag 18.6 Calc delta mag 9.66 Calc coord yes
 
 
16376-4053 E
 
 
Coord arcsec 2000 163736.48-405320.0 Mag 17.4 Calc delta mag 8.46 Calc coord yes
 
 
16376-4053 F
 
 
Coord arcsec 2000 163735.75-405320.7 Mag 18.9 Calc delta mag 9.96 Calc coord yes