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Current system
18133-0324
RST 4583
HD 166993


Nearby doubles
12' : 18126-0329
A 83

37' : 18157-0321
STF2296

57' : 18099-0302
BRT 475

59' : 18148-0231
A 84

63' : 18175-0323
HTP 45AB

71' : 18155-0220
LDS6324

80' : 18148-0441
HJ 856

106' : 18078-0431
NSN 143

112' : 18114-0512
HO 267

124' : 18131-0528
RST4582

124' : 18213-0254
STFB 8

132' : 18063-0443
TDT 684

133' : 18057-0433
HJ 5016

135' : 18198-0458
SCJ 16

143' : 18119-0104
RST5107

144' : 18181-0120
HDS2587AB

153' : 18180-0539
LDS6325

154' : 18226-0428
LDS5862

158' : 18030-0253
BRT 474

159' : 18120-0601
A 37AB

160' : 18185-0105
TDT 786

162' : 18241-0335
TOK 616

162' : 18030-0237
A 35AB

167' : 18027-0236
RST4581

168' : 18035-0205
TDS 900

170' : 18224-0505
RST4586



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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

18133-0324 RST 4583 (HD 166993)

 
 
18h 13m 18.58s -03° 24' 24.5" P.A. 86.00 sep 0.4 mag 8.90,9.61 Sp F0 dist. 151.52 pc (494.26 l.y.)
 
 
Coord 2000 18133-0324 Discov num RST4583 Comp Coord arcsec 2000 18 13 18.58 -03 24 24.5
Date first 1938 Date last 2016 Obs 13
Pa first 66 Pa last 85.6 P.A. Now (θ) 85.6°
Sep first 0.4 Sep last 0.392 Sep. Now (ρ) 0.392"
Mag pri 8.90 Mag sec 9.61 delta mag (ΔM) 0.71 Spectral class F0 (yellow-white)
Pri motion ra +002 Sec motion ra
Pri motion dec +001 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 166993 Constellation Serpens SAO 142162 HIP 89300
Tycho2 5101-00169-1 Gaia DR2 4174538066584723712 HD 166993 BD BD-03 4254
Distance 151.52 Distance ly 494.26
 
 
WDS 18133-0324 RST 4583 (HD 166993) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Rst1933 T - Rossiter, R.A. 1933MmRAS..65...27R
Rst1933 MemRAS 65, 27, 1933
Rst1937 Ma - Rossiter, R.A. 1937MmRAS..65...51R
Rst1937 MemRAS 65, 51, 1937
Rst1943 Ma - Rossiter, R.A. 1943POMic...8..133R
Rst1943 Pub. Univ. Michigan Obs. 8, 133, 1943
Rst1944 - Rossiter, R.A. 1944POMic...9....1R
Rst1944 Pub. Univ. Michigan Obs. 9, 1, 1944
Rst1947 Ma - Rossiter, R.A. 1947POMic...9....7R
Rst1947 Pub. Univ. Michigan Obs. 9, 7, 1947
Rst1955 Ma j Rossiter, R.A. 1955POMic..11....1R
Rst1955 +P+ Pub. Univ. Michigan Obs. 11, 1, 1955
Rst1964 Ma - Rossiter, R.A. 1964POMic...9...73R
Rst1964 Pub. Univ. Michigan Obs. 9, 73, 1964
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18133-0324 RST4583 1991 11 82 0.4 8.90 9.61 F0 D 181318.58-032424.5
18133-0324 RST4583 2016 12 86 0.4 8.90 9.61 F0 181318.58-032424.5

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

 
 
WDS 18133-0324 RST 4583 (HD 166993) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18133-0324 RST 4583 (HD 166993) : MEASURES
 
 
No records found.

 
 
WDS 18133-0324 (HD 166993) : VIRTUAL EYEPIECE
 
 

18133-0324 RST4583A mag 8.9 Sp F0 18133-0324 RST4583B sep 0.4 P.A. 85.60 mag 9.61 virtual eyepiece
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Radius:
Components only
 
 
WDS 18133-0324 (HD 166993) : ALADIN DSS IMAGE @ 18h 13m 18.58s -03° 24' 24.5"
 
 
 
 
WDS 18133-0324 RST 4583 (HD 166993) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18133-0324 RST4583 distance=0' 18126-0329 A 83 distance=12' 18157-0321 STF2296 distance=37' 18099-0302 BRT 475 distance=57' 18148-0231 A 84 distance=59' 18175-0323 HTP 45AB distance=63' 18175-0323 HTP 45AG distance=63' 18175-0323 HTP 45AH distance=63' 18175-0323 HTP 45AI distance=63' 18175-0323 HTP 45AK distance=63' 18175-0323 HTP 45AL distance=63' 18175-0323 HTP 45AN distance=63' 18175-0323 HTP 45AQ distance=63' 18175-0323 HTP 45AR distance=63' 18175-0323 HTP 45AS distance=63' 18175-0323 HTP 45AV distance=63' 18175-0323 HTP 45A,Wa distance=63' 18175-0323 HTP 45A,Wb distance=63' 18175-0323 HTP 45A,Wc distance=63' 18175-0323 HTP 45A,We distance=63' 18175-0323 HTP 45A,Wg distance=63' 18175-0323 HTP 45A,Wj distance=63' 18175-0323 HTP 45A,Wn distance=63' 18175-0323 HTP 45A,Wo distance=63' 18175-0323 HTP 45A,Wp distance=63' 18175-0323 HTP 45A,Wq distance=63' 18175-0323 HTP 45A,Xa distance=63' 18175-0323 HTP 45A,Xb distance=63' 18175-0323 HTP 45A,Xc distance=63' 18175-0323 HTP 45A,Xd distance=63' 18175-0323 HTP 45A,Xe distance=63' 18175-0323 HTP 45A,Xf distance=63' 18175-0323 HTP 45A,Xg distance=63' 18175-0323 HTP 45A,Xh distance=63' 18175-0323 HTP 45A,Xi distance=63' 18175-0323 HTP 45A,Xj distance=63' 18175-0323 HTP 45A,Xk distance=63' 18155-0220 LDS6324 distance=71' 18148-0441 HJ 856 distance=80' 18078-0431 NSN 143 distance=106' 18114-0512 HO 267 distance=112' 18131-0528 RST4582 distance=124' 18213-0254 STFB 8 distance=124' 18063-0443 TDT 684 distance=132' 18057-0433 HJ 5016 distance=133' 18198-0458 SCJ 16 distance=135' 18119-0104 RST5107 distance=143' 18181-0120 HDS2587AB distance=144' 18181-0120 GII 265AC distance=144' 18180-0539 LDS6325 distance=153' 18226-0428 LDS5862 distance=154' 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 18133-0324 RST4583 86 0.4
Show 18126-0329 A 83 303 0.8 12
Show 18157-0321 STF2296 6 3.2 37
Show 18099-0302 BRT 475 60 2.9 57
Show 18148-0231 A 84 318 3.9 59
Show 18175-0323 HTP 45 AB 6 16.6 63
Show 18175-0323 HTP 45 AG 89 17.7 63
Show 18175-0323 HTP 45 AH 175 14.8 63
Show 18175-0323 HTP 45 AI 80 12.6 63
Show 18175-0323 HTP 45 AK 190 12.6 63
Show 18175-0323 HTP 45 AL 305 19.1 63
Show 18175-0323 HTP 45 AN 354 12.2 63
Show 18175-0323 HTP 45 AQ 228 16.8 63
Show 18175-0323 HTP 45 AR 267 14.7 63
Show 18175-0323 HTP 45 AS 337 15.9 63
Show 18175-0323 HTP 45 AV 243 14.0 63
Show 18175-0323 HTP 45 A,Wa 252 5.4 63
Show 18175-0323 HTP 45 A,Wb 264 7.2 63
Show 18175-0323 HTP 45 A,Wc 305 17.0 63
Show 18175-0323 HTP 45 A,We 33 17.3 63
Show 18175-0323 HTP 45 A,Wg 284 15.8 63
Show 18175-0323 HTP 45 A,Wj 316 10.2 63
Show 18175-0323 HTP 45 A,Wn 216 12.7 63
Show 18175-0323 HTP 45 A,Wo 213 12.5 63
Show 18175-0323 HTP 45 A,Wp 270 18.2 63
Show 18175-0323 HTP 45 A,Wq 269 18.0 63
Show 18175-0323 HTP 45 A,Xa 221 13.3 63
Show 18175-0323 HTP 45 A,Xb 268 17.9 63
Show 18175-0323 HTP 45 A,Xc 44 21.4 63
Show 18175-0323 HTP 45 A,Xd 51 23.8 63
Show 18175-0323 HTP 45 A,Xe 249 24.3 63
Show 18175-0323 HTP 45 A,Xf 311 24.8 63
Show 18175-0323 HTP 45 A,Xg 41 25.5 63
Show 18175-0323 HTP 45 A,Xh 250 26.0 63
Show 18175-0323 HTP 45 A,Xi 330 27.7 63
Show 18175-0323 HTP 45 A,Xj 328 28.2 63
Show 18175-0323 HTP 45 A,Xk 35 29.8 63
Show 18155-0220 LDS6324 10 34.6 71
Show 18148-0441 HJ 856 235 22.2 80
Show 18078-0431 NSN 143 81 7.7 106
Show 18114-0512 HO 267 353 14.5 112
Show 18131-0528 RST4582 325 0.6 124
Show 18213-0254 STFB 8 54 251.4 124
Show 18063-0443 TDT 684 244 0.5 132
Show 18057-0433 HJ 5016 88 12.2 133
Show 18198-0458 SCJ 16 209 3.3 135
Show 18119-0104 RST5107 157 0.4 143
Show 18181-0120 HDS2587 AB 181 0.1 144
Show 18181-0120 GII 265 AC 167 1.8 144
Show 18180-0539 LDS6325 217 4.4 153
Show 18226-0428 LDS5862 356 4.3 154

 
 
WDS 18133-0324 : COMPONENTS
 
 
  A
B pa=85.6°
sep=0.39"
 
 
18133-0324 A
 
 
Componente originario normalizzato AB Name HD 166993 Coord arcsec 2000 181318.58-032424.5 Mag 8.9
Spectral class F0 (yellow-white) PmRA 2.00 PmDE 1.0 SAO 142162
HIP 89300 Tycho2 5101-00169-1 HD 166993 BD BD-03 4254
Tycho2
Tycho2 5101-00169-1 Pflag RAmdeg 273.32746670 DEmdeg -3.40678946
PmRA 0.7 PmDE 2.5 E RAmdeg 8 E DEmdeg 9
E pmRA 0.9 E pmDE 1.1 EpRAm 1989.83 EpDEm 1989.74
Num 16 Q RAmdeg 0.9 Q DEmdeg 1.0 Q pmRA 0.9
Q pmDE 1.0 BTmag 9.032 E BTmag 0.020 VTmag 8.419
E VTmag 0.015 Prox 999 TYC T HIP 89300
CCDM AB RAdeg 273.32746417 DEdeg -3.40679500 EpRA 1990 1.80
EpDE 1990 1.72 E RAdeg 7.5 E DEdeg 9.1 Posflg P
Corr -0.1
SAO
SAO 142162 DelFlag RA1950 PmRA1950 -0.0012
DE1950 PmDE1950 -0.006 Vmag 8.2 SpType F0
Double code Source 27 CatNum 6099 DM BD-03 4254
DMcomp BDsup HD 166993 M HD 0
GC RA1950rad 4.75899003 DE1950rad -0.05971445 PmRA2000 -0.001
PmDE2000 -0.006
Hipparcos
Catalog H HIP 89300 Proxy H RAhms 18 13 18.58
DEdms -03 24 24.5 Vmag 8.32 VarFlag R Vmag H
RAdeg 273.327 DEdeg -3.4068 AstroRef A Plx 4.81
CCDM 18133-0324 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 82 Rho 0.383 HD 166993 BD BD-03 4254
CD CP Dm number -03 4254 VIred 0.57
SpType F0 R SpType Coord arcsec 2000 181318.58-032424.5
Hipparcos 2
HIP 89300 Sn 15 So 3 Nc 2
RArad 4.7704636294 DErad -0.0594598784 Plx 6.6 PmRA 0.23
PmDE -0.38 E RArad 1.22 E DErad 0.91 E Plx 1.41
E pmRA 1.24 E pmDE 0.96 Hpmag 8.4426 E Hpmag 0.0024
SHp 0.017 VA 0 BV 0.562 E BV 0.02
VI 0.64
CCDM
Ccdm 18133-0324 RComp Comp A Note1
Note2 Discov num DRAs 0.59 DDEs -24.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.9 Sp F0 PmNote *
PmRA 3 PmDE -1 Dm number -03 4254 Cat1 BD
Name2 142162 Cat2 SAO HD 166993 M HD
ADS BDS M ADS BDS N IDS IDS 18081S0326A
HIC 89300
 
 
18133-0324 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 181318.61-032424.5 Mag 9.61 Calc delta mag 0.71
Calc coord yes
CCDM
Ccdm 18133-0324 RComp Comp B Note1
Note2 Discov num RST4583 DRAs DDEs
R dRAs Year 1958 Theta 078 Rho 0.3
Obs 5 Vmag 9.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18081S0326B
HIC 89300