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Doubles in session


Current system
19587-2237
TDS 1029
HD 188978


Nearby doubles
43' : 19592-2155
LDS 697

44' : 20007-2204
KPP1108

47' : 19562-2206
BRT1556

64' : 20032-2229
BRT1558

67' : 19578-2132
CRI 25AB

68' : 19563-2138
LDS 694

69' : 20031-2207
TDT1937

71' : 20030-2314
B 464

72' : 19549-2325
ARA2268

83' : 20046-2247
TDT1953

84' : 20003-2357
SEE 400

85' : 19537-2327
UC 4047

87' : 19528-2309
OCC 189

88' : 19542-2339
ARA2267

88' : 20023-2124
LDS4828

88' : 19524-2246
OCC 188

91' : 19575-2108
BRT1557

91' : 19550-2352
WHC 17

100' : 19543-2356
HJ 2904AB

102' : 19559-2103
ARA1573

102' : 19579-2056
ARA1575

104' : 20045-2342
BWL 54AB

105' : 20061-2258
ARA2269

106' : 19531-2126
HJ 2902

112' : 20062-2159
UC 4084

126' : 19535-2054
ARA1572



Selections
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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.

19587-2237 TDS 1029 (HD 188978)

 
 
19h 58m 40.83s -22° 37' 06.7" P.A. 239.00 sep 1.3 mag 9.85,11.73 Sp A9V
 
 
Coord 2000 19587-2237 Discov num TDS1029 Comp Coord arcsec 2000 19 58 40.83 -22 37 06.7
Date first 1991 Date last 1991 Obs 1
Pa first 239 Pa last 239.4 P.A. Now (θ) 239.4°
Sep first 1.3 Sep last 1.335 Sep. Now (ρ) 1.335"
Mag pri 9.85 Mag sec 11.73 delta mag (ΔM) 1.88 Spectral class A9V (white)
Pri motion ra +001 Sec motion ra +001
Pri motion dec -036 Sec motion dec -036
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 188978 Constellation Sagittarius SAO 188774 Tycho2 6892-00510-1
Gaia DR2 6864109259505414016 HD 188978 DM CD-2214385
 
 
WDS 19587-2237 TDS 1029 (HD 188978) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
TDS Tycho Double Star (from additional DD list) ...................
TDT Tycho Double Star (from additional DD list) ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19587-2237 TDS1029 1991 1 239 1.3 9.85 11.73 195840.83-223706.7

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

 
 
WDS 19587-2237 TDS 1029 (HD 188978) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19587-2237 TDS 1029 (HD 188978) : MEASURES
 
 
No records found.

 
 
WDS 19587-2237 (HD 188978) : VIRTUAL EYEPIECE
 
 

19587-2237 TDS1029A mag 9.85 Sp A9V 19587-2237 TDS1029B sep 1.3 P.A. 237.40 mag 11.73 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 19587-2237 (HD 188978) : ALADIN DSS IMAGE @ 19h 58m 40.83s -22° 37' 06.7"
 
 
 
 
WDS 19587-2237 TDS 1029 (HD 188978) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19587-2237 TDS1029 distance=0' 19592-2155 LDS 697 distance=43' 20007-2204 KPP1108 distance=44' 19562-2206 BRT1556 distance=47' 20032-2229 BRT1558 distance=64' 19578-2132 CRI 25AB distance=67' 19578-2132 SKF 442AC distance=67' 19563-2138 LDS 694 distance=68' 20031-2207 TDT1937 distance=69' 20030-2314 B 464 distance=71' 19549-2325 ARA2268 distance=72' 20046-2247 TDT1953 distance=83' 20003-2357 SEE 400 distance=84' 19537-2327 UC 4047 distance=85' 19528-2309 OCC 189 distance=87' 19542-2339 ARA2267 distance=88' 20023-2124 LDS4828 distance=88' 19524-2246 OCC 188 distance=88' 19575-2108 BRT1557 distance=91' 19550-2352 WHC 17 distance=91' 20008-2411 TOK 917Aa,Ab distance=99' 19543-2356 HJ 2904AB distance=100' 19543-2356 ALP 33AC distance=100' 19543-2356 GAA 23Aa,Ab distance=100' 19559-2103 ARA1573 distance=102' 19579-2056 ARA1575 distance=102' 20045-2342 BWL 54AB distance=104' 20045-2342 BWL 54AC distance=104' 20061-2258 ARA2269 distance=105' 19531-2126 HJ 2902 distance=106' 20062-2159 UC 4084 distance=112' 19535-2054 ARA1572 distance=126' 20073-2324 ARA2270 distance=127' 19496-2254 UC 4031 distance=128' 20040-2421 RSS 538 distance=128' 19541-2430 B 455 distance=130' 19536-2048 LDS4822 distance=131' 19567-2029 DON 973 distance=132' 20030-2040 DON 975 distance=132' 20077-2324 TDT2004 distance=133' 19574-2448 OCC 169 distance=133' 19490-2236 DON 969 distance=135' 20020-2029 TDT1924 distance=137' 19499-2343 SEE 396 distance=138' 20059-2416 TDT1971 distance=141' 20088-2242 WHC 18 distance=141' 20029-2026 LDS 700 distance=143' 19552-2021 HLD 36 distance=146' 19578-2507 TDT1881 distance=150' 19480-2211 DON 968 distance=151' 20049-2034 BRT1559 distance=152' 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 19587-2237 TDS1029 239 1.3
Show 19592-2155 LDS 697 315 41.7 43
Show 20007-2204 KPP1108 355 8.8 44
Show 19562-2206 BRT1556 35 3.5 47
Show 20032-2229 BRT1558 113 4.1 64
Show 19578-2132 CRI 25 AB 3 10.3 67
Show 19578-2132 SKF 442 AC 333 3.8 67
Show 19563-2138 LDS 694 212 10.2 68
Show 20031-2207 TDT1937 131 1.1 69
Show 20030-2314 B 464 231 0.5 71
Show 19549-2325 ARA2268 2 2.6 72
Show 20046-2247 TDT1953 253 0.4 83
Show 20003-2357 SEE 400 25 1.0 84
Show 19537-2327 UC 4047 224 54.9 85
Show 19528-2309 OCC 189 -1 0.1 87
Show 19542-2339 ARA2267 197 12.0 88
Show 20023-2124 LDS4828 105 42.0 88
Show 19524-2246 OCC 188 -1 0.5 88
Show 19575-2108 BRT1557 190 2.8 91
Show 19550-2352 WHC 17 104 11.9 91
Show 20008-2411 TOK 917 Aa,Ab 244 0.7 99
Show 19543-2356 HJ 2904 AB 34 45.8 100
Show 19543-2356 ALP 33 AC 108 41.6 100
Show 19543-2356 GAA 23 Aa,Ab 14 0.0 100
Show 19559-2103 ARA1573 207 8.9 102
Show 19579-2056 ARA1575 344 10.5 102
Show 20045-2342 BWL 54 AB 261 2.3 104
Show 20045-2342 BWL 54 AC 6.4 104
Show 20061-2258 ARA2269 221 11.2 105
Show 19531-2126 HJ 2902 31 16.2 106
Show 20062-2159 UC 4084 284 44.4 112
Show 19535-2054 ARA1572 255 9.0 126
Show 20073-2324 ARA2270 182 7.8 127
Show 19496-2254 UC 4031 286 25.5 128
Show 20040-2421 RSS 538 107 11.5 128
Show 19541-2430 B 455 265 2.4 130
Show 19536-2048 LDS4822 267 45.3 131
Show 19567-2029 DON 973 348 4.3 132
Show 20030-2040 DON 975 122 0.9 132
Show 20077-2324 TDT2004 237 0.4 133
Show 19574-2448 OCC 169 -1 0.8 133
Show 19490-2236 DON 969 12 1.9 135
Show 20020-2029 TDT1924 243 0.9 137
Show 19499-2343 SEE 396 271 6.8 138
Show 20059-2416 TDT1971 50 0.6 141
Show 20088-2242 WHC 18 312 20.8 141
Show 20029-2026 LDS 700 129 12.6 143
Show 19552-2021 HLD 36 219 1.3 146
Show 19578-2507 TDT1881 29 1.6 150
Show 19480-2211 DON 968 232 1.8 151
Show 20049-2034 BRT1559 268 4.9 152

 
 
WDS 19587-2237 : COMPONENTS
 
 
  A
B pa=237.4°
sep=1.26"
 
 
19587-2237 A
 
 
Componente originario normalizzato AB Name HD 188978 Coord arcsec 2000 195840.83-223706.7 Mag 9.85
Spectral class A9V (white) PmRA 1.00 PmDE -36.0 SAO 188774
Tycho2 6892-00510-1 HD 188978 DM CD-2214385
Tycho2
Tycho2 6892-00510-1 Pflag P RAmdeg 299.67010598 DEmdeg -22.61852044
PmRA 0.7 PmDE -35.7 E RAmdeg 15 E DEmdeg 20
E pmRA 2.9 E pmDE 2.8 EpRAm 1991.29 EpDEm 1990.77
Num 5 Q RAmdeg 0.8 Q DEmdeg 1.5 Q pmRA 0.8
Q pmDE 1.5 BTmag 10.214 E BTmag 0.029 VTmag 9.854
E VTmag 0.028 Prox 13 TYC T HIP
CCDM RAdeg 299.67012500 DEdeg -22.61842917 EpRA 1990 1.82
EpDE 1990 1.69 E RAdeg 15.3 E DEdeg 19.6 Posflg D
Corr -0.2
SAO
SAO 188774 DelFlag RA1950 PmRA1950 -0.0018
DE1950 PmDE1950 -0.025 Vmag 9.1 SpType A2
Double code Source 25 CatNum 13910 DM CD-2214385
DMcomp BDsup HD 188978 M HD 0
GC RA1950rad 5.21727183 DE1950rad -0.39713815 PmRA2000 -0.0018
PmDE2000 -0.026
 
 
19587-2237 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 195840.75-223707.4 Mag 11.73 PmRA 1.00
PmDE -36.0 Tycho2 6892-00510-2 Calc delta mag 1.88 Calc coord yes
Tycho2
Tycho2 6892-00510-2 Pflag P RAmdeg 299.67010598 DEmdeg -22.61852044
PmRA 0.7 PmDE -35.7 E RAmdeg 15 E DEmdeg 20
E pmRA 2.9 E pmDE 2.8 EpRAm 1991.29 EpDEm 1990.77
Num 5 Q RAmdeg 0.8 Q DEmdeg 1.5 Q pmRA 0.8
Q pmDE 1.5 BTmag 12.559 E BTmag 0.225 VTmag 11.731
E VTmag 0.157 Prox 13 TYC HIP
CCDM RAdeg 299.66977917 DEdeg -22.61861806 EpRA 1990 1.82
EpDE 1990 1.68 E RAdeg 78.5 E DEdeg 99.7 Posflg D
Corr -0.2