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Current system
20010-1215
RST 4649 AB


Nearby doubles
27' : 20023-1157
HU 79AB

28' : 20022-1237
HU 78

34' : 20025-1150
RST4650

48' : 20037-1243
TDT1943

53' : 20041-1243
UC 4074

53' : 19580-1245
RST4051

58' : 19573-1234
LDS4824

69' : 19565-1240
LDS 858

70' : 19589-1318
BU 1476AB

72' : 20051-1136
H 4 3

86' : 19573-1109
UC 4058

92' : 19548-1223
HJ 602

93' : 19557-1305
HLD 153

94' : 20068-1256
STF2625

96' : 19563-1321
STF2602

104' : 20064-1322
HLD 155AB

108' : 19583-1357
GRE 5

109' : 19539-1248
UC 4048

110' : 19539-1237
J 2288

115' : 20075-1112
RST5152

123' : 20083-1315
BRT2769

126' : 19525-1202
LDS4821

128' : 20067-1039
BU 832

137' : 19565-1016
GWP2911

137' : 19555-1026
GWP2908

140' : 19598-0957
HO 276AB



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

20010-1215 RST 4649 AB

 
 
20h 01m 00.24s -12° 15' 20.3" P.A. 225.00 sep 7.8 mag 7.79,14.00 Sp G0/1V dist. 64.98 pc (211.96 l.y.)
 
 
Coord 2000 20010-1215 Discov num RST4649 Comp AB Coord arcsec 2000 20 01 00.24 -12 15 20.3
Date first 1940 Date last 2016 Obs 7
Pa first 225 Pa last 225.4 P.A. Now (θ) 225.4°
Sep first 6.8 Sep last 7.832 Sep. Now (ρ) 7.832"
Mag pri 7.79 Mag sec 14.00 delta mag (ΔM) 6.21 Spectral class G0/1V (yellow)
Pri motion ra -311 Sec motion ra
Pri motion dec -367 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20010-1215 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 163181 20 01 00 -12 15 20 RST 4649 AB 2016 7 225 7.8 7.79 14.00 6.21 <===
Show 163181 20 01 00 -12 15 20 B 2881 AC 2000 3 52 36.6 7.79 14.60 6.81
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius SAO 163181 HIP 98532 Tycho2 5746-01530-1
HD 189558 GC 27729 BD BD-12 5613 Distance 64.98
Distance ly 211.96
 
 
WDS 20010-1215 RST 4649 AB : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
B van den Bos, W.H.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
20010-1215 RST4649 AB 1998 3 225 7.8 7.79 14.00 G0/1V -12 5613 D 200100.24-121520.3
20010-1215 RST4649 AB 2015 4 225 7.8 7.79 14.00 G0/1V -12 5613 200100.24-121520.3
20010-1215 RST4649 AB 2016 7 225 7.8 7.79 14.00 G0/1V -12 5613 200100.24-121520.3

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

 
 
WDS 20010-1215 RST 4649 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20010-1215 RST 4649 AB : MEASURES
 
 
No records found.

 
 
WDS 20010-1215 : VIRTUAL EYEPIECE
 
 

20010-1215 RST4649A mag 7.79 Sp G0/1V 20010-1215 RST4649B sep 7.8 P.A. 225.40 mag 14 20010-1215 B 2881C sep 36.6 P.A. 51.70 mag 14.6 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20010-1215 : ALADIN DSS IMAGE @ 20h 01m 00.24s -12° 15' 20.3"
 
 
 
 
WDS 20010-1215 RST 4649 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20010-1215 RST4649AB distance=0' 20023-1157 HU 79AB distance=27' 20023-1157 B 2882AB,C distance=27' 20022-1237 HU 78 distance=28' 20025-1150 RST4650 distance=34' 20037-1243 TDT1943 distance=48' 20041-1243 UC 4074 distance=53' 19580-1245 RST4051 distance=53' 19573-1234 LDS4824 distance=58' 19565-1240 LDS 858 distance=69' 19589-1318 BU 1476AB distance=70' 19589-1318 D 31AC distance=70' 20051-1136 H 4 3 distance=72' 19573-1109 UC 4058 distance=86' 19548-1223 HJ 602 distance=92' 19557-1305 HLD 153 distance=93' 20068-1256 STF2625 distance=94' 19563-1321 STF2602 distance=96' 20064-1322 HLD 155AB distance=104' 20064-1322 HLD 155AC distance=104' 19583-1357 GRE 5 distance=108' 19539-1248 UC 4048 distance=109' 19539-1237 J 2288 distance=110' 20075-1112 RST5152 distance=115' 20083-1315 BRT2769 distance=123' 19525-1202 LDS4821 distance=126' 20067-1039 BU 832 distance=128' 19565-1016 GWP2911 distance=137' 19555-1026 GWP2908 distance=137' 19598-0957 HO 276AB distance=140' 19598-0957 HLA 22AC distance=140' 20100-1303 TOK 729 distance=141' 20045-1002 RST4651 distance=142' 20057-1420 HLD 154 distance=143' 20105-1304 J 2298 distance=145' 19583-1436 BRT 601 distance=146' 20049-1430 KPP1718 distance=146' 19510-1240 GWP2901 distance=150' 20106-1308 DAM 195 distance=151' 19510-1301 LEO 46 distance=152' 20043-0953 J 1695 distance=152' 20033-1444 FOX 247 distance=153' 20111-1252 HO 119 distance=153' 20118-1205 H 6 92 distance=159' 20112-1109 RST4653 distance=164' 20120-1150 RST4053 distance=164' 19504-1114 UC 4035 distance=168' 20124-1237 RAO 88CD distance=168' 20124-1237 BUP 206AB distance=169' 20124-1237 TDT2085AC distance=169' 20125-1223 OCC9229 distance=169' 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 20010-1215 RST4649 AB 225 7.8 0
Show 20010-1215 B 2881 AC 52 36.6 0
Show 20023-1157 HU 79 AB 235 0.5 27
Show 20023-1157 B 2882 AB,C 289 3.8 27
Show 20022-1237 HU 78 354 2.3 28
Show 20025-1150 RST4650 335 8.0 34
Show 20037-1243 TDT1943 258 1.1 48
Show 20041-1243 UC 4074 342 33.9 53
Show 19580-1245 RST4051 128 1.8 53
Show 19573-1234 LDS4824 77 62.7 58
Show 19565-1240 LDS 858 157 19.1 69
Show 19589-1318 BU 1476 AB 169 14.9 70
Show 19589-1318 D 31 AC 193 132.9 70
Show 20051-1136 H 4 3 276 46.8 72
Show 19573-1109 UC 4058 197 13.2 86
Show 19548-1223 HJ 602 309 6.7 92
Show 19557-1305 HLD 153 106 1.9 93
Show 20068-1256 STF2625 4 12.1 94
Show 19563-1321 STF2602 147 12.3 96
Show 20064-1322 HLD 155 AB 276 1.9 104
Show 20064-1322 HLD 155 AC 239 29.9 104
Show 19583-1357 GRE 5 36 4.3 108
Show 19539-1248 UC 4048 202 21.9 109
Show 19539-1237 J 2288 100 4.6 110
Show 20075-1112 RST5152 147 2.6 115
Show 20083-1315 BRT2769 304 4.5 123
Show 19525-1202 LDS4821 350 10.1 126
Show 20067-1039 BU 832 112 1.4 128
Show 19565-1016 GWP2911 213 31.0 137
Show 19555-1026 GWP2908 121 8.3 137
Show 19598-0957 HO 276 AB 89 0.2 140
Show 19598-0957 HLA 22 AC 296 10.3 140
Show 20100-1303 TOK 729 277 1.2 141
Show 20045-1002 RST4651 301 1.8 142
Show 20057-1420 HLD 154 39 1.5 143
Show 20105-1304 J 2298 51 5.7 145
Show 19583-1436 BRT 601 15 5.0 146
Show 20049-1430 KPP1718 60 13.3 146
Show 19510-1240 GWP2901 183 151.1 150
Show 20106-1308 DAM 195 205 5.3 151
Show 19510-1301 LEO 46 112 4.2 152
Show 20043-0953 J 1695 306 2.6 152
Show 20033-1444 FOX 247 158 5.0 153
Show 20111-1252 HO 119 198 3.1 153
Show 20118-1205 H 6 92 263 84.1 159
Show 20112-1109 RST4653 155 3.5 164
Show 20120-1150 RST4053 2 0.8 164
Show 19504-1114 UC 4035 322 14.2 168
Show 20124-1237 RAO 88 CD 273 18.0 168
Show 20124-1237 BUP 206 AB 272 90.5 169
Show 20124-1237 TDT2085 AC 194 999.9 169

 
 
WDS 20010-1215 : COMPONENTS
 
 
  A B
B pa=225.4°
sep=7.83"
 
C pa=51.7°
sep=36.57"
pa=50.6°
sep=44.36"
 
 
20010-1215 A
 
 
Coord arcsec 2000 200100.24-121520.3 Mag 7.79 Spectral class G0/1V (yellow) PmRA -311.00
PmDE -367.0 SAO 163181 HIP 98532 Tycho2 5746-01530-1
HD 189558 GC 27729 BD BD-12 5613
Tycho2
Tycho2 5746-01530-1 Pflag RAmdeg 300.25102442 DEmdeg -12.25564928
PmRA -308.0 PmDE -365.2 E RAmdeg 6 E DEmdeg 7
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.05 EpDEm 1990.83
Num 13 Q RAmdeg 1.0 Q DEmdeg 1.0 Q pmRA 1.0
Q pmDE 1.0 BTmag 8.405 E BTmag 0.018 VTmag 7.788
E VTmag 0.013 Prox 999 TYC T HIP 98532
CCDM RAdeg 300.25175333 DEdeg -12.25479556 EpRA 1990 1.68
EpDE 1990 1.59 E RAdeg 6.1 E DEdeg 6.8 Posflg
Corr -0.2
SAO
SAO 163181 DelFlag RA1950 PmRA1950 -0.0206
DE1950 PmDE1950 -0.364 Vmag 7.6 SpType G0
Double code Source 70 CatNum 27729 DM BD-12 5613
DMcomp BDsup HD 189558 M HD 0
GC 27729 RA1950rad 5.22834456 DE1950rad -0.21623477 PmRA2000 -0.0203
PmDE2000 -0.366
Hipparcos
Catalog H HIP 98532 Proxy RAhms 20 01 00.43
DEdms -12 15 17.1 Vmag 7.72 VarFlag R Vmag H
RAdeg 300.252 DEdeg -12.2548 AstroRef Plx 14.76
CCDM -309.16 - N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD BD BD-12 5613
CD CP Dm number -12 5613 VIred 0.65
SpType G0/G1V R SpType Coord arcsec 2000 200100.43-121517.1
Hipparcos 2
HIP 98532 Sn 5 So 0 Nc 1
RArad 5.2403823385 DErad -0.2138859563 Plx 15.39 PmRA -308.37
PmDE -365.1 E RArad 0.66 E DErad 0.53 E Plx 0.81
E pmRA 0.85 E pmDE 0.86 Hpmag E Hpmag 0.0019
SHp 0.01 VA 0 BV 0.571 E BV 0.014
VI 0.64
CCDM
Ccdm 20010-1215 RComp Comp A Note1
Note2 Discov num DRAs 0.33 DDEs -20.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.6 Sp G0 PmNote *
PmRA -301 PmDE -364 Dm number -12 5613 Cat1 BD
Name2 163181 Cat2 SAO HD 189558 M HD
ADS BDS M ADS BDS N IDS IDS 19555S1231A
HIC 98532
 
 
20010-1215 B
 
 
Coord arcsec 2000 200059.86-121525.8 Mag 14 Delta magnitude 6.21 Coordinate calculated yes
CCDM
Ccdm 20010-1215 RComp Comp B Note1
Note2 Discov num RST4649 DRAs DDEs
R dRAs Year 1939 Theta 224 Rho 6.9
Obs 2 Vmag 13.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 19555S1231B
HIC 98532
 
 
20010-1215 C
 
 
Coord arcsec 2000 200102.20-121457.6 Mag 14.6 Delta magnitude 6.81 Coordinate calculated yes