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Doubles in session


Current system
20055-3300
SEE 404 AB
HD 190306


Nearby doubles
13' : 20054-3312
RST5468

29' : 20036-3315
OCC1105

33' : 20035-3240
BRT3353

41' : 20062-3340
I 1043

45' : 20089-3247
UC 4104

48' : 20023-3235
RST2130

52' : 20093-3322
B 2482

59' : 20043-3203
HJ 5165

65' : 20004-3301
RST2128

74' : 20075-3150
RST2133

76' : 20070-3147
VOU 99

80' : 20109-3219
B 987

80' : 20077-3144
LDS 704

82' : 20093-3154
VOU 81

94' : 20011-3145
UC 4065

104' : 20116-3151
SEE 408

108' : 20098-3127
PRO 228

109' : 20083-3117
TDT2012

114' : 20079-3111
RST2135

119' : 20060-3100
LDS5897

121' : 20049-3059
UC 4077

121' : 19578-3413
RST3245

121' : 19560-3242
BRT1804

123' : 20137-3407
HJ 5178AB

123' : 20112-3439
BRT1806

124' : 19559-3240
DBR 198



Selections
Full WDS
Binocular doubles
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.

20055-3300 SEE 404 AB (HD 190306)

 
 
20h 05m 32.02s -32° 59' 59.3" P.A. 112.00 sep 0.6 mag 6.63,8.96 Sp B4III dist. 261.78 pc (853.93 l.y.)
 
 
Coord 2000 20055-3300 Discov num SEE 404 Comp AB Coord arcsec 2000 20 05 32.02 -32 59 59.3
Date first 1897 Date last 2010 Obs 16
Pa first 65 Pa last 112.2 P.A. Now (θ) 112.2°
Sep first 0.5 Sep last 0.61 Sep. Now (ρ) 0.61"
Mag pri 6.63 Mag sec 8.96 delta mag (ΔM) 2.33 Spectral class B4III (blue-white)
Pri motion ra +005 Sec motion ra +005
Pri motion dec -007 Sec motion dec -007
Notes
Nature of this double is uncertain.
 
 
20055-3300 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 190306 211798 20 05 32 -32 59 59 SEE 404 AB 2010 16 112 0.6 6.63 8.96 2.33 <===
Show 211798 20 05 32 -32 59 59 SEE 404 AB,C 2010 8 186 21.7 6.63 12.60 5.97
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 190306 Constellation Sagittarius SAO 211798 HIP 98960
Tycho2 7444-01639-1 Gaia DR2 6700584839339564160 HD 190306 HR 7668
GC 27851 CD CD-3314700 CP CP-33 5786 Distance 261.78
Distance ly 853.93
 
 
WDS 20055-3300 SEE 404 AB (HD 190306) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
See1892 Ma - See, T.J.J. .
See1892 Beob. K. Sternw. Berlin, 6, 1, 1892
See1893 orb - See, T.J.J. 1893MNRAS..54..102S
See1893 MNRAS 54, 102, 1893
See1894 orb - See, T.J.J. 1894AN....138..373S
See1894 AN 138, 373, #3311, 1894
See1895a orb - See, T.J.J. 1895AJ.....15...33S
See1895a AJ 15, 33, 1895
See1895b orb - See, T.J.J. 1895AJ.....15...54S
See1895b AJ 15, 54, 1895
See1895c Ma - See, T.J.J. 1895AJ.....15...97S
See1895c AJ 15, 97, 1895
See1895d Ma - See, T.J.J. 1895AJ.....15..188S
See1895d AJ 15, 188, 1895
See1895f orb - See, T.J.J. 1895AN....138...25S
See1895f AN 138, 25, 1895
See1895g orb - See, T.J.J. 1895AJ.....16...18S
See1895g AJ 16, 18, 1895
See1896a Ma - See, T.J.J. 1896AN....142...43S
See1896a AN 142, 43, 1896
See1896b Ma j See, T.J.J. 1896AJ.....16..211S
See1896b AJ 16, 211, 1896
See1896c orb - See, T.J.J. 1896QB421.S5.......
See1896c Evolution of Stellar Systems, v1, 1896
See1896d Ma j See, T.J.J. 1896AJ.....17....1S
See1896d AJ 17, 1, 1896
See1897a Ma j See, T.J.J. 1897AJ.....17..180S
See1897a AJ 17, 180, 1897
See1897b Ma j See, T.J.J. 1897MNRAS..57..577S
See1897b +orb MNRAS 57, 577, 1897
See1897d - See, T.J.J. 1897AJ.....17...93S
See1897d AJ 17, 93, 1897
See1897e Ma j See, T.J.J. 1897AJ.....18...75S
See1897e AJ 18, 75, 1897
See1897f - See, T.J.J. 1897MNRAS..57..398S
See1897f MNRAS 57, 398, 1897 (data also in AN 146, 225, 1898) 1898AN....146..225S
See1897g - See, T.J.J. 1897MNRAS..58...15S
See1897g MNRAS 58, 15, 1897
See1897h - See, T.J.J. 1897AN....142...43S
See1897h AN 142, 43, #3387, 1897
See1897i Ma j See, T.J.J. 1897AN....143...59S
See1897i AN 143, 59, #3412, 1897
See1897j Ma j See, T.J.J. 1897AN....143..413S
See1897j AN 143, 413, #3432, 1897 (see also See1898b, See1898c) 1898AJ.....18..181S
See1897k orb - See, T.J.J. 1897AN....144..359S
See1897k AN 144, 359, #3455, 1897
See1897l Ma j See, T.J.J. 1897MNRAS..57..541S
See1897l MNRAS 57, 541, 1897 (some data also in See1898b, See1898c) 1898AJ.....18..181S
See1898a Ma - See, T.J.J. 1898AN....145..205S
See1898a AN 145, 205, 1898
See1898b Ma j See, T.J.J. 1898AJ.....18..181S
See1898b AJ 18, 181, 1898
See1898c Ma j See, T.J.J. 1898AN....146..225S
See1898c AN 146, 225, 1898
See1898d Ma - See, T.J.J. (measure by Boothroyd, S.L.) 1898AN....146..225S
See1898d AN 146, 225, 1898
See1898e Ma j See, T.J.J. 1898MNRAS..58..386S
See1898e MNRAS 58, 385, 1898
See1898f orb - See, T.J.J. 1898MNRAS..58..450S
See1898f MNRAS 58, 450, 1898
See1898g orb - See, T.J.J. 1898AJ.....19...57S
See1898g AJ 19, 57, 1898
See1900a - See, T.J.J. 1900AN....152...73S
See1900a AN 152, 73, #3629, 1900
See1900b orb - See, T.J.J. 1900AN....152...75S
See1900b AN 152, 75, #3629, 1900
See1900c Ma j See, T.J.J. 1900AN....152..179S
See1900c AN 152, 179, #3636, 1900
See1900d Ma j See, T.J.J. 1900AN....153...99S
See1900d AN 153, 99, #3654, 1900
See1900e Ma j See, T.J.J. 1900AN....152..329S
See1900e AN 152, 329, #3645, 1900
See1906A Ma - See, T.J.J. 1906MmRAS..56....1L
See1906A cited by Lewis (MemRAS 56, 1, 1906)
See1906B Ma - See, T.J.J. 1906QB821.B972.....
See1906B cited in BDS (Burnham Double Star Cat., 1906)
See1908a orb - See, T.J.J. 1908MNRAS..68..192S
See1908a MNRAS 68, 192, 1908
See1908b orb - See, T.J.J. 1908MNRAS..68..195S
See1908b MNRAS 68, 195, 1908
See1908c - See, T.J.J. 1908MNRAS..68..198S
See1908c MNRAS 68, 198, 1908
See1908d orb - See, T.J.J. 1908MNRAS..68..568S
See1908d MNRAS 68, 568, 1908
See1911 Ma j See, T.J.J. .
See1911 Pub. USNO 6, A117, 1911
See1927A Ma - See, T.J.J. 1927sdsc.book......
See1927A cited in SDS (Southern Double Star Cat.), 1927
See1932A Ma - See, T.J.J. 1932QB821.A43......
See1932A cited in ADS (Aitken Double Star Cat.), 1932
See9999 Ma - See, T.J.J. ...................
See9999 Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20055-3300 SEE 404 AB 1991 15 109 0.6 6.63 8.96 B4III D 200532.02-325959.3
20055-3300 SEE 404 AB 2010 16 112 0.6 6.63 8.96 B4III 200532.02-325959.3

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

 
 
WDS 20055-3300 SEE 404 AB (HD 190306) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20055-3300 SEE 404 AB (HD 190306) : MEASURES
 
 
No records found.

 
 
WDS 20055-3300 (HD 190306) : VIRTUAL EYEPIECE
 
 

20055-3300 SEE 404A mag 6.63 Sp B4III 20055-3300 SEE 404B sep 0.5 P.A. 115.90 mag 8.96 20055-3300 SEE 404C sep 21.6 P.A. 185.00 mag 12.6 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 20055-3300 (HD 190306) : ALADIN DSS IMAGE @ 20h 05m 32.02s -32° 59' 59.3"
 
 
 
 
WDS 20055-3300 SEE 404 AB (HD 190306) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20055-3300 SEE 404AB distance=0' 20054-3312 RST5468 distance=13' 20036-3315 OCC1105 distance=29' 20035-3240 BRT3353 distance=33' 20062-3340 I 1043 distance=41' 20089-3247 UC 4104 distance=45' 20023-3235 RST2130 distance=48' 20093-3322 B 2482 distance=52' 20043-3203 HJ 5165 distance=59' 20004-3301 RST2128 distance=65' 20075-3150 RST2133 distance=74' 20070-3147 VOU 99 distance=76' 20109-3219 B 987 distance=80' 20077-3144 LDS 704 distance=80' 20093-3154 VOU 81 distance=82' 20011-3145 UC 4065 distance=94' 20116-3151 SEE 408 distance=104' 20098-3127 PRO 228 distance=108' 20083-3117 TDT2012 distance=109' 20079-3111 RST2135 distance=114' 20060-3100 LDS5897 distance=119' 20049-3059 UC 4077 distance=121' 19578-3413 RST3245 distance=121' 19560-3242 BRT1804 distance=121' 20137-3407 HJ 5178AB distance=123' 20137-3407 JC 24AC distance=123' 20112-3439 BRT1806 distance=123' 19559-3240 DBR 198 distance=124' 19599-3442 I 1410AB distance=125' 19599-3442 I 1410BC distance=125' 20041-3503 BRT1805 distance=125' 20040-3504 UC 4073 distance=126' 19561-3208 UC 4054AB distance=131' 19561-3208 BWL 53Ba,Bb distance=131' 20046-3513 B 466 distance=134' 19551-3221 DAW 76AB distance=137' 19551-3221 HJ 5154AC distance=137' 20094-3510 HJ 5170 distance=139' 20043-3520 B 465 distance=142' 20072-3520 LIT 33 distance=142' 20156-3154 HJ 5181 distance=144' 19563-3137 TOK 698 distance=144' 20169-3236 STN 64 distance=146' 19553-3200 LDS5891 distance=146' 20089-3520 KPP4186 distance=146' 20128-3454 HDS2881 distance=147' 19575-3449 HJ 5156 distance=149' 19597-3517 ISO 11 distance=155' 20051-3023 BRT3089 distance=157' 19544-3148 TSN 192 distance=159' 19538-3201 RST2122 distance=160' 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 20055-3300 SEE 404 AB 112 0.6
Show 20055-3300 SEE 404 AB,C 186 21.7
Show 20054-3312 RST5468 23 0.8 13
Show 20036-3315 OCC1105 290 0.0 29
Show 20035-3240 BRT3353 293 3.3 33
Show 20062-3340 I 1043 240 2.4 41
Show 20089-3247 UC 4104 63 27.6 45
Show 20023-3235 RST2130 334 0.8 48
Show 20093-3322 B 2482 125 7.0 52
Show 20043-3203 HJ 5165 304 54.2 59
Show 20004-3301 RST2128 298 0.2 65
Show 20075-3150 RST2133 177 0.3 74
Show 20070-3147 VOU 99 258 2.1 76
Show 20109-3219 B 987 27 5.1 80
Show 20077-3144 LDS 704 290 42.2 80
Show 20093-3154 VOU 81 125 3.5 82
Show 20011-3145 UC 4065 65 42.2 94
Show 20116-3151 SEE 408 187 15.1 104
Show 20098-3127 PRO 228 36 4.9 108
Show 20083-3117 TDT2012 98 0.5 109
Show 20079-3111 RST2135 179 0.9 114
Show 20060-3100 LDS5897 283 191.0 119
Show 20049-3059 UC 4077 282 11.2 121
Show 19578-3413 RST3245 119 1.6 121
Show 19560-3242 BRT1804 206 3.3 121
Show 20137-3407 HJ 5178 AB 9 2.8 123
Show 20137-3407 JC 24 AC 16 79.5 123
Show 20112-3439 BRT1806 301 4.8 123
Show 19559-3240 DBR 198 113 1.7 124
Show 19599-3442 I 1410 AB 165 32.8 125
Show 19599-3442 I 1410 BC 105 1.4 125
Show 20041-3503 BRT1805 202 5.4 125
Show 20040-3504 UC 4073 3 26.4 126
Show 19561-3208 UC 4054 AB 316 26.3 131
Show 19561-3208 BWL 53 Ba,Bb 316 0.1 131
Show 20046-3513 B 466 84 3.4 134
Show 19551-3221 DAW 76 AB 358 2.9 137
Show 19551-3221 HJ 5154 AC 212 17.6 137
Show 20094-3510 HJ 5170 314 12.8 139
Show 20043-3520 B 465 73 0.7 142
Show 20072-3520 LIT 33 233 4.6 142
Show 20156-3154 HJ 5181 4 9.8 144
Show 19563-3137 TOK 698 239 0.1 144
Show 20169-3236 STN 64 295 1.7 146
Show 19553-3200 LDS5891 220 178.4 146
Show 20089-3520 KPP4186 150 1.3 146
Show 20128-3454 HDS2881 12 15.5 147
Show 19575-3449 HJ 5156 128 16.5 149
Show 19597-3517 ISO 11 175 0.2 155
Show 20051-3023 BRT3089 48 3.1 157
Show 19544-3148 TSN 192 167 0.2 159

 
 
WDS 20055-3300 : COMPONENTS
 
 
  A B
B pa=115.9°
sep=0.53"
 
C pa=185.0°
sep=21.61"
pa=186.4°
sep=21.43"
 
 
20055-3300 A
 
 
Name HD 190306 Coord arcsec 2000 200532.02-325959.3 Mag 6.63 Spectral class B4III (blue-white)
PmRA 5.00 PmDE -7.0 SAO 211798 HIP 98960
Tycho2 7444-01639-1 HD 190306 HR 7668 GC 27851
CD CD-3314700 CP CP-33 5786
Tycho2
Tycho2 7444-01639-1 Pflag RAmdeg 301.38346847 DEmdeg -32.99984279
PmRA 5.4 PmDE -6.8 E RAmdeg 4 E DEmdeg 4
E pmRA 1.3 E pmDE 1.3 EpRAm 1991.55 EpDEm 1991.38
Num 12 Q RAmdeg 1.8 Q DEmdeg 1.0 Q pmRA 1.8
Q pmDE 1.0 BTmag 6.467 E BTmag 0.014 VTmag 6.543
E VTmag 0.010 Prox 999 TYC T HIP 98960
CCDM AB RAdeg 301.38345361 DEdeg -32.99982694 EpRA 1990 1.86
EpDE 1990 1.66 E RAdeg 3.6 E DEdeg 4.0 Posflg P
Corr -0.3
SAO
SAO 211798 DelFlag RA1950 PmRA1950 0.0015
DE1950 PmDE1950 -0.016 Vmag 6.5 SpType B8
Double code Source 70 CatNum 27851 DM CD-3314700
DMcomp BDsup HD 190306 M HD 0
GC 27851 RA1950rad 5.24623816 DE1950rad -0.57845809 PmRA2000 0.0015
PmDE2000 -0.018
Hipparcos
Catalog H HIP 98960 Proxy H RAhms 20 05 32.02
DEdms -32 59 59.3 Vmag 6.53 VarFlag R Vmag H
RAdeg 301.383 DEdeg -32.9998 AstroRef A Plx 3.48
CCDM 20055-3300 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 106 Rho 0.506 HD 190306 BD
CD CD-3314700 CP CP-33 5786 Dm number -3314700 VIred -0.05
SpType B4III R SpType Coord arcsec 2000 200532.02-325959.3
Hipparcos 2
HIP 98960 Sn 15 So 3 Nc 2
RArad 5.2601331965 DErad -0.5759554882 Plx 3.82 PmRA 7.6
PmDE -7.16 E RArad 0.6 E DErad 0.34 E Plx 0.6
E pmRA 0.86 E pmDE 0.47 Hpmag 6.5152 E Hpmag 0.001
SHp 0.009 VA 0 BV -0.069 E BV 0.005
VI -0.05
CCDM
Ccdm 20055-3300 RComp Comp A Note1
Note2 Discov num DRAs 2.31 DDEs 0.7
R dRAs 41 Year Theta Rho
Obs 3 Vmag 6.9 Sp B8 PmNote *
PmRA 20 PmDE -10 Dm number -3314700 Cat1 CD
Name2 211798 Cat2 SAO HD 190306 M HD
ADS BDS M ADS BDS N IDS IDS 19592S3317A
HIC 98960
 
 
20055-3300 B
 
 
Coord arcsec 2000 200532.06-325959.5 Mag 8.96 PmRA 5.00 PmDE -7.0
Calc delta mag 2.33 Calc coord yes
CCDM
Ccdm 20055-3300 RComp Comp B Note1
Note2 Discov num SEE 404 DRAs DDEs
R dRAs Year 1949 Theta 086 Rho 0.5
Obs 8 Vmag 7.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 19592S3317B
HIC 98960
 
 
20055-3300 C
 
 
Coord arcsec 2000 200531.87-330020.8 Mag 12.6 PmRA -9.00 PmDE -14.0
Calc delta mag 5.97 Calc coord yes
CCDM
Ccdm 20055-3300 RComp Comp C Note1
Note2 Discov num SEE 404 DRAs 2.11 DDEs -21.2
R dRAs 41 Year 1949 Theta 185 Rho 21.4
Obs 3 Vmag 12.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 19592S3317C
HIC