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Current system
20387+1139
GWP 2975


Nearby doubles
21' : 20375+1130
BPM2213

21' : 20386+1120
J 1242

23' : 20372+1143
BPM2210

23' : 20396+1120
BPM2221

24' : 20385+1118
J 1073

25' : 20402+1126
BPM2224

26' : 20404+1143
UC 4253

30' : 20399+1115
ENG 75AB

35' : 20370+1203
STF2701

40' : 20401+1105
GWP2979

41' : 20393+1101
J 2603

42' : 20392+1059
SCJ 27AB

43' : 20410+1206
HEI 587

44' : 20414+1157
TDT2472

45' : 20391+1055
UC 4243

48' : 20413+1111
BPM2229

48' : 20364+1105
UC 4230

49' : 20419+1150
HEI 588

51' : 20372+1224
BPM2209

52' : 20354+1121
YR 16

53' : 20375+1050
HEI 586

56' : 20373+1230
UC 4235

56' : 20350+1134
BRT3358

57' : 20383+1043
BU 1491

59' : 20420+1212
BPM2231

59' : 20424+1117
OSO 131AB



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

20387+1139 GWP 2975

 
 
20h 38m 43.31s +11° 39' 07.0" P.A. 166.00 sep 5.8 mag 12.90,14.10
 
 
Coord 2000 20387+1139 Discov num GWP2975 Comp Coord arcsec 2000 20 38 43.31 +11 39 07.0
Date first 1987 Date last 2016 Obs 8
Pa first 165 Pa last 165.8 P.A. Now (θ) 165.8°
Sep first 5.2 Sep last 5.797 Sep. Now (ρ) 5.797"
Mag pri 12.90 Mag sec 14.10 delta mag (ΔM) 1.2 Spectral class
Pri motion ra -020 Sec motion ra -016
Pri motion dec -096 Sec motion dec -096
Notes V K (Proper motion indicates physical, K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
rPM=0.041 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Gaia DR2 1754643953173905920
 
 
WDS 20387+1139 GWP 2975 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
GWP Garraf Wide Pairs: CPM wide pairs (>50mas/y) discovered in the Garraf Astronomical
GWP Observatory (OAG) CPMWP Survey
GWP Part I (2012): Measures of 1725 pairs. Equatorial zone
GWP (RA 00h00m to 11h59m, DEC +20 to -20 deg)
GWP Garraf Wide Pairs: CPM wide pairs (>50mas/y) discovered in the Garraf Astronomical
GWP Observatory (OAG) CPMWP Survey
GWP Part II (2016): Measures of 1657 pairs. Equatorial zone
GWP (RA 12h00m to 23h59m, DEC +20 to -20 deg)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20387+1139 GWP2975 2000 2 165 5.8 12.90 14.10 V K 203843.31+113907.0
20387+1139 GWP2975 2010 3 164 5.5 12.90 14.10 V K 203843.31+113907.0
20387+1139 GWP2975 2015 4 166 5.8 12.90 14.10 V K 203843.31+113907.0
20387+1139 GWP2975 2016 8 166 5.8 12.90 14.10 V K 203843.31+113907.0

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

 
 
WDS 20387+1139 GWP 2975 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20387+1139 GWP 2975 : MEASURES
 
 
No records found.

 
 
WDS 20387+1139 : VIRTUAL EYEPIECE
 
 

20387+1139 GWP2975A mag 12.9 20387+1139 GWP2975B sep 5.8 P.A. 166.10 mag 14.1 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 20387+1139 : ALADIN DSS IMAGE @ 20h 38m 43.31s +11° 39' 07.0"
 
 
 
 
WDS 20387+1139 GWP 2975 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20387+1139 GWP2975 distance=0' 20375+1130 BPM2213 distance=21' 20386+1120 J 1242 distance=21' 20372+1143 BPM2210 distance=23' 20396+1120 BPM2221 distance=23' 20385+1118 J 1073 distance=24' 20402+1126 BPM2224 distance=25' 20404+1143 UC 4253 distance=26' 20399+1115 ENG 75AB distance=30' 20399+1115 CVN 17Aa,Ab distance=30' 20399+1115 TOK 631AC distance=30' 20370+1203 STF2701 distance=35' 20401+1105 GWP2979 distance=40' 20393+1101 J 2603 distance=41' 20392+1059 SCJ 27AB distance=42' 20392+1059 SCJ 27AC distance=42' 20410+1206 HEI 587 distance=43' 20414+1157 TDT2472 distance=44' 20391+1055 UC 4243 distance=45' 20413+1111 BPM2229 distance=48' 20364+1105 UC 4230 distance=48' 20419+1150 HEI 588 distance=49' 20372+1224 BPM2209 distance=51' 20354+1121 YR 16 distance=52' 20375+1050 HEI 586 distance=53' 20373+1230 UC 4235 distance=56' 20350+1134 BRT3358 distance=56' 20383+1043 BU 1491 distance=57' 20420+1212 BPM2231 distance=59' 20424+1117 OSO 131AB distance=59' 20424+1117 OSO 131AC distance=59' 20424+1117 OSO 131AD distance=59' 20424+1117 OSO 131AE distance=59' 20424+1117 OSO 131AF distance=59' 20349+1120 TDT2394 distance=60' 20348+1121 J 1344 distance=62' 20429+1152 BPM2235 distance=63' 20345+1138 J 142 distance=64' 20417+1053 UC 4260 distance=64' 20391+1243 BPM2218 distance=65' 20344+1153 LDS4851 distance=66' 20405+1240 HEI 278 distance=67' 20418+1231 STF2715 distance=69' 20416+1058 J 192 distance=69' 20402+1248 BPM2223 distance=73' 20409+1035 STF2713 distance=73' 20372+1250 A 1680 distance=74' 20340+1206 MAD 8 distance=76' 20366+1027 AG 258 distance=79' 20339+1106 TDT2376 distance=79' 20440+1118 UC 4272 distance=81' 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 20387+1139 GWP2975 166 5.8
Show 20375+1130 BPM2213 275 91.7 21
Show 20386+1120 J 1242 205 5.2 21
Show 20372+1143 BPM2210 203 101.9 23
Show 20396+1120 BPM2221 275 70.3 23
Show 20385+1118 J 1073 112 5.3 24
Show 20402+1126 BPM2224 331 104.0 25
Show 20404+1143 UC 4253 315 19.7 26
Show 20399+1115 ENG 75 AB 6 182.2 30
Show 20399+1115 CVN 17 Aa,Ab 36 0.5 30
Show 20399+1115 TOK 631 AC 142 947.9 30
Show 20370+1203 STF2701 221 2.1 35
Show 20401+1105 GWP2979 215 7.5 40
Show 20393+1101 J 2603 354 1.8 41
Show 20392+1059 SCJ 27 AB 262 6.2 42
Show 20392+1059 SCJ 27 AC 78 14.1 42
Show 20410+1206 HEI 587 36 1.2 43
Show 20414+1157 TDT2472 309 0.5 44
Show 20391+1055 UC 4243 50 16.2 45
Show 20413+1111 BPM2229 11 85.9 48
Show 20364+1105 UC 4230 173 19.0 48
Show 20419+1150 HEI 588 293 2.3 49
Show 20372+1224 BPM2209 213 61.9 51
Show 20354+1121 YR 16 278 0.7 52
Show 20375+1050 HEI 586 220 0.6 53
Show 20373+1230 UC 4235 132 44.9 56
Show 20350+1134 BRT3358 288 1.9 56
Show 20383+1043 BU 1491 87 3.2 57
Show 20420+1212 BPM2231 330 108.9 59
Show 20424+1117 OSO 131 AB 222 13.0 59
Show 20424+1117 OSO 131 AC 161 14.1 59
Show 20424+1117 OSO 131 AD 37 20.6 59
Show 20424+1117 OSO 131 AE 56 24.1 59
Show 20424+1117 OSO 131 AF 174 22.9 59
Show 20349+1120 TDT2394 2 0.5 60
Show 20348+1121 J 1344 103 2.5 62
Show 20429+1152 BPM2235 142 114.9 63
Show 20345+1138 J 142 242 6.5 64
Show 20417+1053 UC 4260 155 39.5 64
Show 20391+1243 BPM2218 252 64.4 65
Show 20344+1153 LDS4851 328 4.4 66
Show 20405+1240 HEI 278 135 3.4 67
Show 20418+1231 STF2715 2 12.4 69
Show 20416+1058 J 192 138 5.1 69
Show 20402+1248 BPM2223 290 95.3 73
Show 20409+1035 STF2713 62 5.1 73
Show 20372+1250 A 1680 295 3.8 74
Show 20340+1206 MAD 8 245 20.9 76
Show 20366+1027 AG 258 11 4.2 79
Show 20339+1106 TDT2376 76 0.8 79
Show 20440+1118 UC 4272 354 60.1 81

 
 
WDS 20387+1139 : COMPONENTS
 
 
  A
B pa=166.1°
sep=5.79"
 
 
20387+1139 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 203843.31+113907.0 Mag 12.9 PmRA -20.00
PmDE -96.0
 
 
20387+1139 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 203843.40+113901.4 Mag 14.1 PmRA -16.00
PmDE -96.0 Calc delta mag 1.2 Calc coord yes