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Doubles in session


Current system
18398-2920
RSS 487


Nearby doubles
34' : 18405-2953
SEE 356

35' : 18386-2850
TDT 971

55' : 18440-2920
LDS 651

59' : 18394-3019
RSS 486

60' : 18444-2926
SEE 357AB

61' : 18359-2849
HJ 5051AB

62' : 18403-3022
SKF2025

63' : 18396-2817
J 1596

75' : 18447-2959
B 2460

79' : 18348-2837
B 395

81' : 18360-3023
SKF2024

84' : 18457-2847
B 404

85' : 18402-3045
RST2070

85' : 18460-2856
TSN 187

87' : 18388-3046
SKF2535

90' : 18466-2932
TDS 943

91' : 18467-2930
TOK 366AB

92' : 18374-3046
B 1367

92' : 18329-2906
SKF2130

92' : 18352-3030
RST2066

95' : 18334-3004
I 1370

96' : 18450-2813
B 403

96' : 18335-2832
BRT3073

98' : 18400-2743
SKF2132

102' : 18418-3059
TDT1004

106' : 18389-2736
RST2069



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

18398-2920 RSS 487

 
 
18h 39m 48.25s -29° 20' 21.4" P.A. 303.00 sep 11.5 mag 10.02,13.40 Sp B0.5III dist. 628.93 pc (2051.57 l.y.)
 
 
Coord 2000 18398-2920 Discov num RSS 487 Comp Coord arcsec 2000 18 39 48.25 -29 20 21.4
Date first 1977 Date last 2010 Obs 4
Pa first 304 Pa last 302.5 P.A. Now (θ) 302.5°
Sep first 12.0 Sep last 11.54 Sep. Now (ρ) 11.54"
Mag pri 10.02 Mag sec 13.40 delta mag (ΔM) 3.38 Spectral class B0.5III (blue-white)
Pri motion ra +001 Sec motion ra -079
Pri motion dec +002 Sec motion dec +096
Notes
rPM=0.993
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius SAO 187100 HIP 91514 Tycho2 6870-00937-1
Gaia DR2 4047526847081820032 HD 172140 CD CD-2915193 CP CP-29 5634
Distance 628.93 Distance ly 2051.57
 
 
WDS 18398-2920 RSS 487 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Rss1996 Pa - Rousseau, J.M., Perie, J.P., & Gachard, M.T. 1996A&AS..116..301R
Rss1996 A&AS 116, 301, 1996
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18398-2920 RSS 487 1999 2 302 11.5 10.07   B0.5III D 183948.25-292021.4
18398-2920 RSS 487 2010 4 303 11.3 10.02 13.40 B0.5III 183948.25-292021.4

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

 
 
WDS 18398-2920 RSS 487 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18398-2920 RSS 487 : MEASURES
 
 
No records found.

 
 
WDS 18398-2920 : VIRTUAL EYEPIECE
 
 

18398-2920 RSS 487A mag 10.02 Sp B0.5III 18398-2920 RSS 487B sep 10.5 P.A. 306.20 mag 13.4 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18398-2920 : ALADIN DSS IMAGE @ 18h 39m 48.25s -29° 20' 21.4"
 
 
 
 
WDS 18398-2920 RSS 487 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18398-2920 RSS 487 distance=0' 18405-2953 SEE 356 distance=34' 18386-2850 TDT 971 distance=35' 18440-2920 LDS 651 distance=55' 18394-3019 RSS 486 distance=59' 18444-2926 SEE 357AB distance=60' 18444-2926 B 9035AC distance=60' 18444-2926 B 9035AD distance=60' 18444-2926 B 9035AE distance=60' 18359-2849 HJ 5051AB distance=61' 18359-2849 HJ 5051AC distance=61' 18403-3022 SKF2025 distance=62' 18359-2849 DOO 71CD distance=62' 18396-2817 J 1596 distance=63' 18447-2959 B 2460 distance=75' 18348-2837 B 395 distance=79' 18360-3023 SKF2024 distance=81' 18457-2847 B 404 distance=84' 18402-3045 RST2070 distance=85' 18460-2856 TSN 187 distance=85' 18388-3046 SKF2535 distance=87' 18466-2932 TDS 943 distance=90' 18467-2930 TOK 366AB distance=91' 18467-2930 TOK 366AC distance=91' 18374-3046 B 1367 distance=92' 18329-2906 SKF2130 distance=92' 18352-3030 RST2066 distance=92' 18334-3004 I 1370 distance=95' 18450-2813 B 403 distance=96' 18335-2832 BRT3073 distance=96' 18400-2743 SKF2132 distance=98' 18418-3059 TDT1004 distance=102' 18389-2736 RST2069 distance=106' 18461-3029 TDT1043 distance=107' 18434-3102 PRO 210 distance=113' 18319-2831 RST2062 distance=116' 18429-3110 DAM 116 distance=118' 18429-3112 PRO 209 distance=119' 18464-2755 RST2073 distance=122' 18488-3006 B 2462 distance=126' 18346-2734 I 1027CD distance=126' 18305-2848 HDS2624 distance=127' 18346-2734 I 1026AB distance=127' 18346-2734 I 1026A,CD distance=127' 18346-2734 TOK 422Aa,Ab distance=127' 18494-2904 OL 21 distance=128' 18344-3109 RST2065AB distance=130' 18344-3109 PRO 206AC distance=130' 18325-2753 SKF2131 distance=131' 18490-2830 RST2077 distance=131' 18328-2747 KPP 417 distance=131' 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 18398-2920 RSS 487 303 11.5
Show 18405-2953 SEE 356 133 3.1 34
Show 18386-2850 TDT 971 163 0.5 35
Show 18440-2920 LDS 651 209 35.8 55
Show 18394-3019 RSS 486 8 9.4 59
Show 18444-2926 SEE 357 AB 291 14.5 60
Show 18444-2926 B 9035 AC 313 14.5 60
Show 18444-2926 B 9035 AD 349 10.8 60
Show 18444-2926 B 9035 AE 277 31.3 60
Show 18359-2849 HJ 5051 AB 237 9.3 61
Show 18359-2849 HJ 5051 AC 296 91.6 61
Show 18403-3022 SKF2025 234 104.6 62
Show 18359-2849 DOO 71 CD 34 4.3 62
Show 18396-2817 J 1596 105 8.2 63
Show 18447-2959 B 2460 102 9.1 75
Show 18348-2837 B 395 278 1.3 79
Show 18360-3023 SKF2024 74 22.4 81
Show 18457-2847 B 404 238 5.0 84
Show 18402-3045 RST2070 146 0.6 85
Show 18460-2856 TSN 187 172 0.4 85
Show 18388-3046 SKF2535 44 3.9 87
Show 18466-2932 TDS 943 226 0.9 90
Show 18467-2930 TOK 366 AB 260 0.3 91
Show 18467-2930 TOK 366 AC 293 9.2 91
Show 18374-3046 B 1367 160 2.3 92
Show 18329-2906 SKF2130 134 3.0 92
Show 18352-3030 RST2066 312 0.9 92
Show 18334-3004 I 1370 187 3.8 95
Show 18450-2813 B 403 76 2.4 96
Show 18335-2832 BRT3073 281 3.9 96
Show 18400-2743 SKF2132 237 12.4 98
Show 18418-3059 TDT1004 231 0.8 102
Show 18389-2736 RST2069 123 1.7 106
Show 18461-3029 TDT1043 248 0.4 107
Show 18434-3102 PRO 210 195 4.6 113
Show 18319-2831 RST2062 3 0.8 116
Show 18429-3110 DAM 116 114 8.8 118
Show 18429-3112 PRO 209 34 9.8 119
Show 18464-2755 RST2073 149 0.4 122
Show 18488-3006 B 2462 145 6.9 126
Show 18346-2734 I 1027 CD 69 1.9 126
Show 18305-2848 HDS2624 230 0.1 127
Show 18346-2734 I 1026 AB 41 9.0 127
Show 18346-2734 I 1026 A,CD 145 36.1 127
Show 18346-2734 TOK 422 Aa,Ab 102 0.1 127
Show 18494-2904 OL 21 152 2.1 128
Show 18344-3109 RST2065 AB 3 1.1 130
Show 18344-3109 PRO 206 AC 161 15.7 130
Show 18325-2753 SKF2131 47 4.7 131
Show 18490-2830 RST2077 164 0.6 131
Show 18328-2747 KPP 417 57 5.0 131

 
 
WDS 18398-2920 : COMPONENTS
 
 
  A
B pa=306.2°
sep=10.51"
 
 
18398-2920 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 183948.25-292021.4 Mag 10.02 Spectral class B0.5III (blue-white)
PmRA 1.00 PmDE 2.0 SAO 187100 HIP 91514
Tycho2 6870-00937-1 HD 172140 CD CD-2915193 CP CP-29 5634
Tycho2
Tycho2 6870-00937-1 Pflag RAmdeg 279.95106151 DEmdeg -29.33926430
PmRA 3.3 PmDE 0.4 E RAmdeg 13 E DEmdeg 18
E pmRA 1.8 E pmDE 1.6 EpRAm 1990.15 EpDEm 1987.11
Num 6 Q RAmdeg 0.8 Q DEmdeg 0.2 Q pmRA 0.7
Q pmDE 0.2 BTmag 9.875 E BTmag 0.025 VTmag 10.057
E VTmag 0.036 Prox 999 TYC T HIP 91514
CCDM RAdeg 279.95105250 DEdeg -29.33926556 EpRA 1990 1.80
EpDE 1990 1.71 E RAdeg 13.8 E DEdeg 20.0 Posflg
Corr 0.2
SAO
SAO 187100 DelFlag RA1950 PmRA1950 0.0018
DE1950 PmDE1950 0.007 Vmag 9.5 SpType B
Double code Source 24 CatNum 12114 DM CD-2915193
DMcomp BDsup HD 172140 M HD 0
GC RA1950rad 4.87218931 DE1950rad -0.51287308 PmRA2000 0.0017
PmDE2000 0.007
Hipparcos
Catalog H HIP 91514 Proxy RAhms 18 39 48.25
DEdms -29 20 21.4 Vmag 9.94 VarFlag R Vmag G
RAdeg 279.951 DEdeg -29.3393 AstroRef Plx -1.18
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 172140 BD
CD CD-2915193 CP CP-29 5634 Dm number -2915193 VIred -0.02
SpType B1II R SpType Coord arcsec 2000 183948.25-292021.4
Hipparcos 2
HIP 91514 Sn 5 So 0 Nc 1
RArad 4.8860675012 DErad -0.512066802 Plx -1.59 PmRA 7.76
PmDE -0.5 E RArad 1.9 E DErad 1.05 E Plx 2.2
E pmRA 2.68 E pmDE 1.74 Hpmag 9.9094 E Hpmag 0.0027
SHp 0.025 VA 0 BV -0.043 E BV 0.003
VI -0.02
CCDM
Ccdm 18398-2920 RComp Comp A Note1
Note2 Discov num DRAs 0.24 DDEs -20.8
R dRAs 40 Year Theta Rho
Obs 2 Vmag 9.9 Sp B1 PmNote
PmRA 23 PmDE 7 Dm number -2915193 Cat1 CD
Name2 187100 Cat2 SAO HD 172140 M HD
ADS BDS M ADS BDS N IDS * IDS 18334S2926A
HIC 91514
 
 
18398-2920 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 183947.60-292015.2 Mag 13.4 PmRA -79.00
PmDE 96.0 Calc delta mag 3.38 Calc coord yes
CCDM
Ccdm 18398-2920 RComp Comp B Note1
Note2 Discov num RSU DRAs -0.56 DDEs -14.3
R dRAs 40 Year 1977 Theta 304 Rho 12.0
Obs Vmag Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS * IDS 18334S2926B
HIC