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Doubles in session


Current system
21576+1157
STTA 227
HD 208668


Nearby doubles
25' : 21590+1212
HEI 410

35' : 21579+1231
SLW1257

48' : 22006+1137
UC 4625

51' : 22011+1202
ITF 6

54' : 22011+1213
GRV 531

57' : 21538+1158
DEA 90

62' : 22005+1113
GWP3115AB

65' : 22020+1150
GKM9503AB

65' : 22010+1116
BPM2419

70' : 21555+1258
GRV1235

70' : 21572+1047
A 622

72' : 21555+1053
BU 75AB

77' : 22028+1207
GIC 174

77' : 21539+1102
GWP3105

82' : 21524+1226
UC 4585AB

85' : 22027+1118
LDS4937

87' : 22011+1307
HJ 289

88' : 22020+1058
HDS3126

88' : 22027+1110
BPM2421

92' : 21551+1320
GRV 520

97' : 21513+1220
SHN 254

100' : 21516+1244
SHN 255

100' : 21567+1335
BPM2415

101' : 22036+1108
BPM2423

103' : 22042+1120
KPP 503

106' : 22031+1048
GRV 537



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

21576+1157 STTA 227 (HD 208668)

 
 
21h 57m 37.44s +11° 56' 50.2" P.A. 32.00 sep 78.6 mag 7.51,9.03 Sp A0 dist. 282.49 pc (921.48 l.y.)
 
 
Coord 2000 21576+1157 Discov num STTA227 Comp Coord arcsec 2000 21 57 37.44 +11 56 50.2
Date first 1875 Date last 2015 Obs 25
Pa first 33 Pa last 32.3 P.A. Now (θ) 32.3°
Sep first 78.9 Sep last 78.575 Sep. Now (ρ) 78.575"
Mag pri 7.51 Mag sec 9.03 delta mag (ΔM) 1.52 Spectral class A0 (white)
Pri motion ra +007 Sec motion ra +006
Pri motion dec -002 Sec motion dec -002
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.137 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 208668 Constellation Pegasus SAO 107541 HIP 108396
Tycho2 1143-01360-1 Gaia DR2 2728415190676414848 HD 208668 BD BD+11 4700
Distance 282.49 Distance ly 921.48
 
 
WDS 21576+1157 STTA 227 (HD 208668) : NOTES
 
 
discov_num notes refcode
STTA227 B is BD+11@4701.
 
 
DISCOVERER
 
 
discov author
STT (O. Struve DD - Appendix list)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
21576+1157 STTA227 2004 18 32 78.0 7.51 9.03 A0 +11 4700 N D 215737.44+115650.2
21576+1157 STTA227 2014 21 33 77.9 7.51 9.03 A0 +11 4700 N 215737.44+115650.2
21576+1157 STTA227 2015 23 32 78.6 7.51 9.03 A0 +11 4700 N 215737.44+115650.2

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

 
 
WDS 21576+1157 STTA 227 (HD 208668) : VISUAL OBSERVATIONS REPORTS
 
 
Show date username difficulty separation pa_estim interest notes
Show 21/10/02 daedalus1 mean difficulty separated     Seeing: Pickering 8, Measures: theta 032 deg, rho 79".62

 
 
WDS 21576+1157 STTA 227 (HD 208668) : MEASURES
 
 
No records found.

 
 
WDS 21576+1157 (HD 208668) : VIRTUAL EYEPIECE
 
 

21576+1157 STTA227A mag 7.51 Sp A0 21576+1157 STTA227B sep 78.6 P.A. 32.30 mag 9.03 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 21576+1157 (HD 208668) : ALADIN DSS IMAGE @ 21h 57m 37.44s +11° 56' 50.2"
 
 
 
 
WDS 21576+1157 STTA 227 (HD 208668) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21576+1157 STTA227 distance=0' 21590+1212 HEI 410 distance=25' 21579+1231 SLW1257 distance=35' 22006+1137 UC 4625 distance=48' 22011+1202 ITF 6 distance=51' 22011+1213 GRV 531 distance=54' 21538+1158 DEA 90 distance=57' 22005+1113 GWP3115AB distance=62' 22020+1150 GKM9503AB distance=65' 22010+1116 BPM2419 distance=65' 21555+1258 GRV1235 distance=70' 21572+1047 A 622 distance=70' 21555+1053 BU 75AB distance=72' 21555+1053 BU 75AB,C distance=72' 22028+1207 GIC 174 distance=77' 21539+1102 GWP3105 distance=77' 21524+1226 UC 4585AB distance=82' 21524+1226 UC 4585BC distance=83' 22027+1118 LDS4937 distance=85' 22011+1307 HJ 289 distance=87' 22020+1058 HDS3126 distance=88' 22027+1110 BPM2421 distance=88' 21551+1320 GRV 520 distance=92' 21513+1220 SHN 254 distance=97' 21516+1244 SHN 255 distance=100' 21567+1335 BPM2415 distance=100' 22036+1108 BPM2423 distance=101' 22042+1120 KPP 503 distance=103' 22031+1048 GRV 537 distance=106' 22043+1238 SLW1260 distance=107' 22046+1122 OSO 167 distance=108' 21543+1333 BU 1213AB distance=109' 21543+1333 BU 1213BC distance=109' 21504+1218 HJ 286 distance=109' 21509+1243 FMR 165 distance=110' 22050+1223 BPM2425 distance=111' 22050+1130 HJ 290 distance=112' 21514+1052 LDS4917 distance=113' 22050+1128 HJ 291 distance=113' 21497+1216 J 2358 distance=119' 21541+1346 BPM2411 distance=121' 21500+1246 SHN 42 distance=122' 21523+1024 TDT3207 distance=122' 22049+1107 DOO 89 distance=125' 22051+1053 GWP3121 distance=127' 21518+1336 CRC 40Aa,Ab distance=131' 21518+1336 CRC 40AB distance=131' 21511+1022 COU2549AB distance=135' 21511+1022 HEI 599AC distance=135' 21537+0954 GWP3103 distance=137' 22065+1242 TDT3343 distance=138' 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 21576+1157 STTA227 32 78.6 0
Show 21590+1212 HEI 410 154 0.2 25
Show 21579+1231 SLW1257 237 138.3 35
Show 22006+1137 UC 4625 228 35.6 48
Show 22011+1202 ITF 6 22 4.5 51
Show 22011+1213 GRV 531 3 34.9 54
Show 21538+1158 DEA 90 17 11.2 57
Show 22005+1113 GWP3115 AB 272 15.9 62
Show 22020+1150 GKM9503 AB 203 1.5 65
Show 22010+1116 BPM2419 213 72.3 65
Show 21555+1258 GRV1235 353 14.7 70
Show 21572+1047 A 622 284 0.2 70
Show 21555+1053 BU 75 AB 28 1.1 72
Show 21555+1053 BU 75 AB,C 211 32.8 72
Show 22028+1207 GIC 174 126 31.8 77
Show 21539+1102 GWP3105 113 4.3 77
Show 21524+1226 UC 4585 AB 318 27.7 82
Show 21524+1226 UC 4585 BC 280 54.7 83
Show 22027+1118 LDS4937 64 141.4 85
Show 22011+1307 HJ 289 322 59.8 87
Show 22020+1058 HDS3126 269 0.5 88
Show 22027+1110 BPM2421 76 110.7 88
Show 21551+1320 GRV 520 136 23.3 92
Show 21513+1220 SHN 254 -1 0.3 97
Show 21516+1244 SHN 255 96 2.2 100
Show 21567+1335 BPM2415 252 104.7 100
Show 22036+1108 BPM2423 101 114.0 101
Show 22042+1120 KPP 503 291 3.9 103
Show 22031+1048 GRV 537 173 36.1 106
Show 22043+1238 SLW1260 75 12.2 107
Show 22046+1122 OSO 167 100 63.7 108
Show 21543+1333 BU 1213 AB 259 64.3 109
Show 21543+1333 BU 1213 BC 309 1.0 109
Show 21504+1218 HJ 286 261 21.6 109
Show 21509+1243 FMR 165 305 39.5 110
Show 22050+1223 BPM2425 354 102.9 111
Show 22050+1130 HJ 290 281 12.2 112
Show 21514+1052 LDS4917 93 41.2 113
Show 22050+1128 HJ 291 264 8.7 113
Show 21497+1216 J 2358 339 4.2 119
Show 21541+1346 BPM2411 185 100.4 121
Show 21500+1246 SHN 42 339 0.6 122
Show 21523+1024 TDT3207 315 1.7 122
Show 22049+1107 DOO 89 327 8.8 125
Show 22051+1053 GWP3121 72 9.1 127
Show 21518+1336 CRC 40 Aa,Ab 138 0.7 131
Show 21518+1336 CRC 40 AB 122 10.9 131
Show 21511+1022 COU2549 AB 86 0.1 135
Show 21511+1022 HEI 599 AC 82 0.2 135
Show 21537+0954 GWP3103 230 32.3 137
Show 22065+1242 TDT3343 221 1.3 138

 
 
WDS 21576+1157 : COMPONENTS
 
 
  A
B pa=32.3°
sep=78.57"
 
 
21576+1157 A
 
 
Name HD 208668 Coord arcsec 2000 215737.44+115650.2 Mag 7.51 Spectral class A0 (white)
PmRA 7.00 PmDE -2.0 SAO 107541 HIP 108396
Tycho2 1143-01360-1 HD 208668 BD BD+11 4700
Tycho2
Tycho2 1143-01360-1 Pflag RAmdeg 329.40598329 DEmdeg 11.94728229
PmRA 6.0 PmDE -4.2 E RAmdeg 5 E DEmdeg 6
E pmRA 1.6 E pmDE 1.5 EpRAm 1991.49 EpDEm 1991.33
Num 8 Q RAmdeg 1.0 Q DEmdeg 0.7 Q pmRA 0.9
Q pmDE 0.7 BTmag 7.521 E BTmag 0.016 VTmag 7.506
E VTmag 0.012 Prox 786 TYC T HIP 108396
CCDM RAdeg 329.40596861 DEdeg 11.94729194 EpRA 1990 1.75
EpDE 1990 1.74 E RAdeg 4.8 E DEdeg 6.0 Posflg
Corr 0.0
SAO
SAO 107541 DelFlag RA1950 PmRA1950 -0.0017
DE1950 PmDE1950 0.012 Vmag 7.3 SpType A0
Double code Source 29 CatNum 8743 DM BD+11 4700
DMcomp BDsup HD 208668 M HD 0
GC RA1950rad 5.73855504 DE1950rad 0.20435071 PmRA2000 -0.0016
PmDE2000 0.007
Hipparcos
Catalog H HIP 108396 Proxy RAhms 21 57 37.43
DEdms +11 56 50.3 Vmag 7.5 VarFlag R Vmag H
RAdeg 329.406 DEdeg 11.9473 AstroRef Plx 2.15
CCDM 6.02 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 208668 BD BD+11 4700
CD CP Dm number +11 4700 VIred 0.12
SpType A0 R SpType Coord arcsec 2000 215737.43+115650.3
Hipparcos 2
HIP 108396 Sn 5 So 0 Nc 1
RArad 5.7492187558 DErad 0.2085196095 Plx 3.54 PmRA 8.52
PmDE -2.4 E RArad 0.73 E DErad 0.61 E Plx 0.92
E pmRA 0.97 E pmDE 0.67 Hpmag E Hpmag 0.001
SHp 0.008 VA 0 BV 0.023 E BV 0.014
VI 0.04
CCDM
Ccdm 21576+1157 RComp Comp A Note1
Note2 Discov num DRAs 1.45 DDEs -9.5
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.5 Sp A0 PmNote *
PmRA 11 PmDE 2 Dm number +11 4700 Cat1 BD
Name2 +11 2737 Cat2 AGK2/3 HD 208668 M HD
ADS BDS B11384 M ADS BDS N IDS IDS 21527N1128A
HIC 108396
 
 
21576+1157 B
 
 
Coord arcsec 2000 215740.30+115756.6 Mag 9.03 PmRA 6.00 PmDE -2.0
SAO 107542 DM BD+11 4701 Delta magnitude 1.52 Coordinate calculated yes
SAO
SAO 107542 DelFlag RA1950 PmRA1950 -0.0017
DE1950 PmDE1950 0.012 Vmag 8.7 SpType
Double code Source 29 CatNum 8745 DM BD+11 4701
DMcomp BDsup HD M HD
GC RA1950rad 5.73876473 DE1950rad 0.20467509 PmRA2000 -0.0016
PmDE2000 0.007
CCDM
Ccdm 21576+1157 RComp Comp B Note1
Note2 Discov num STT4227 DRAs 4.30 DDEs 57.7
R dRAs 10 Year 1875 Theta 032 Rho 78.9
Obs 6 Vmag 10.0 Sp PmNote *
PmRA 8 PmDE 18 Dm number +11 4701 Cat1 BD
Name2 +11 2738 Cat2 AGK2/3 HD M HD
ADS BDS B11384 M ADS BDS N IDS IDS 21527N1128B
HIC