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Current system
20488+1106
BPM 2274


Nearby doubles
10' : 20495+1106
BPM2276

15' : 20495+1116
UC 4301

16' : 20478+1109
BPM2267

21' : 20494+1124
J 194AB

27' : 20478+1119
HJ 271

28' : 20473+1052
LEP 97

29' : 20484+1134
BPM2270

44' : 20465+1131
BPM2258

47' : 20460+1126
TDT2526

54' : 20452+1108
BPM2254

65' : 20523+1144
BPM2284

67' : 20443+1101
BPM2242

68' : 20457+1017
OSO 134AB

71' : 20521+1014
A 1212

72' : 20519+1203
J 3245

72' : 20440+1118
UC 4272

73' : 20439+1113
BPM2239

76' : 20524+1200
GWP3008

77' : 20486+1223
BPM2273

78' : 20536+1034
KPP4217

79' : 20446+1154
BPM2251

84' : 20545+1054
BPM2290

88' : 20496+1233
BU 1495AB

89' : 20444+1205
A 875

90' : 20454+0952
HEI 589

92' : 20416+1058
J 192



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

20488+1106 BPM 2274

 
 
20h 48m 50.66s +11° 05' 48.9" sep 109.8 mag 13.81,14.73
 
 
Coord 2000 20488+1106 Discov num BPM2274 Comp Coord arcsec 2000 20 48 50.66 +11 05 48.9
Date first 1999 Date last 2015 Obs 9
Pa first 0 Pa last 359.6 P.A. Now (θ) 359.6°
Sep first 109.8 Sep last 109.792 Sep. Now (ρ) 109.792"
Mag pri 13.81 Mag sec 14.73 delta mag (ΔM) 0.92 Spectral class
Pri motion ra -009 Sec motion ra -010
Pri motion dec -009 Sec motion dec -013
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.251 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Gaia DR2 1751774086089346560
 
 
WDS 20488+1106 BPM 2274 : NOTES
 
 
discov_num notes refcode
BPM2274 [PM2000] 2398470 + [PM2000] 2398468. Gvr2010
 
 
REFERENCES
 
 
refcode metd author reference
Gvr2010 Pa - Gavras, P. Sinachopoulos, D., Le Campion, J.F., & Cucourant, C. 2010A&A...521A 4G
Gvr2010 +T A&A 521, A4, 2010
Gvr2010 (Note: mean measures from AC2000.2, CdC2000, USNO-A2.0, Yellow Sky, and M2000
Gvr2010 catalogs, spanning years ~1900-2000)
 
 
DISCOVERER
 
 
idgroup discov author
1 BPM Bordeaux PM2000 catalogue (main catalog: separation < 2')
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20488+1106 BPM2274 2000 2 360 109.7 13.81 14.73 NV 204850.66+110548.9
20488+1106 BPM2274 2001 4 360 109.7 13.81 14.73 NV 204850.66+110548.9
20488+1106 BPM2274 2010 5 0 109.8 13.81 14.73 NV 204850.66+110548.9
20488+1106 BPM2274 2015 6 0 109.8 13.81 14.73 NV 204850.66+110548.9

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

 
 
WDS 20488+1106 BPM 2274 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20488+1106 BPM 2274 : MEASURES
 
 
No records found.

 
 
WDS 20488+1106 : VIRTUAL EYEPIECE
 
 

20488+1106 BPM2274A mag 13.81 20488+1106 BPM2274B sep 109.8 P.A. 359.60 mag 14.73 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 20488+1106 : ALADIN DSS IMAGE @ 20h 48m 50.66s +11° 05' 48.9"
 
 
 
 
WDS 20488+1106 BPM 2274 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20488+1106 BPM2274 distance=1' 20495+1106 BPM2276 distance=10' 20495+1116 UC 4301 distance=15' 20478+1109 BPM2267 distance=16' 20494+1124 J 194AB distance=21' 20494+1124 J 194AB,C distance=21' 20478+1119 HJ 271 distance=27' 20473+1052 LEP 97 distance=28' 20484+1134 BPM2270 distance=29' 20465+1131 BPM2258 distance=44' 20460+1126 TDT2526 distance=47' 20452+1108 BPM2254 distance=54' 20523+1144 BPM2284 distance=65' 20443+1101 BPM2242 distance=67' 20457+1017 OSO 134AB distance=68' 20457+1017 OSO 134AC distance=68' 20521+1014 A 1212 distance=71' 20519+1203 J 3245 distance=72' 20440+1118 UC 4272 distance=72' 20439+1113 BPM2239 distance=73' 20524+1200 GWP3008 distance=76' 20486+1223 BPM2273 distance=77' 20536+1034 KPP4217 distance=78' 20446+1154 BPM2251 distance=79' 20545+1054 BPM2290 distance=84' 20496+1233 BU 1495AB distance=88' 20496+1233 BU 1495AC distance=88' 20496+1233 BU 1495AD distance=88' 20444+1205 A 875 distance=89' 20454+0952 HEI 589 distance=90' 20416+1058 J 192 distance=92' 20449+1219 B 2910Aa,Ab distance=94' 20449+1219 STF2723AB distance=94' 20449+1219 BU 1492AC distance=94' 20442+1209 BPM2240 distance=94' 20531+0956 GWP3011 distance=95' 20424+1117 OSO 131AB distance=96' 20424+1117 OSO 131AC distance=96' 20424+1117 OSO 131AD distance=96' 20424+1117 OSO 131AE distance=96' 20424+1117 OSO 131AF distance=96' 20492+1243 GWP3001 distance=98' 20460+1235 KPP 477 distance=99' 20502+1246 J 3277 distance=99' 20429+1152 BPM2235 distance=100' 20488+1248 GWP3000 distance=103' 20440+1225 HJ 1566AB distance=105' 20440+1225 HJ 1566AC distance=105' 20473+0924 GWP2999 distance=105' 20558+1047 GWP3019 distance=105' 20417+1053 UC 4260 distance=107' 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 20488+1106 BPM2274 109.8 1
Show 20495+1106 BPM2276 298 107.2 10
Show 20495+1116 UC 4301 161 26.6 15
Show 20478+1109 BPM2267 58 48.7 16
Show 20494+1124 J 194 AB 299 0.6 21
Show 20494+1124 J 194 AB,C 17 11.6 21
Show 20478+1119 HJ 271 109 7.8 27
Show 20473+1052 LEP 97 351 14.7 28
Show 20484+1134 BPM2270 197 117.4 29
Show 20465+1131 BPM2258 45 78.9 44
Show 20460+1126 TDT2526 223 0.4 47
Show 20452+1108 BPM2254 231 96.7 54
Show 20523+1144 BPM2284 252 115.9 65
Show 20443+1101 BPM2242 127 30.4 67
Show 20457+1017 OSO 134 AB 44 11.1 68
Show 20457+1017 OSO 134 AC 45 19.4 68
Show 20521+1014 A 1212 11 0.6 71
Show 20519+1203 J 3245 249 3.8 72
Show 20440+1118 UC 4272 354 60.1 72
Show 20439+1113 BPM2239 101 71.9 73
Show 20524+1200 GWP3008 252 11.1 76
Show 20486+1223 BPM2273 132 52.3 77
Show 20536+1034 KPP4217 147 1.5 78
Show 20446+1154 BPM2251 51 84.7 79
Show 20545+1054 BPM2290 243 17.0 84
Show 20496+1233 BU 1495 AB 19 52.1 88
Show 20496+1233 BU 1495 AC 86 105.5 88
Show 20496+1233 BU 1495 AD 276 189.6 88
Show 20444+1205 A 875 208 2.5 89
Show 20454+0952 HEI 589 257 1.8 90
Show 20416+1058 J 192 138 5.1 92
Show 20449+1219 B 2910 Aa,Ab 52 0.1 94
Show 20449+1219 STF2723 AB 140 1.0 94
Show 20449+1219 BU 1492 AC 30 37.0 94
Show 20442+1209 BPM2240 148 55.1 94
Show 20531+0956 GWP3011 254 82.6 95
Show 20424+1117 OSO 131 AB 222 13.0 96
Show 20424+1117 OSO 131 AC 161 14.1 96
Show 20424+1117 OSO 131 AD 37 20.6 96
Show 20424+1117 OSO 131 AE 56 24.1 96
Show 20424+1117 OSO 131 AF 174 22.9 96
Show 20492+1243 GWP3001 126 94.3 98
Show 20460+1235 KPP 477 52 4.5 99
Show 20502+1246 J 3277 326 4.1 99
Show 20429+1152 BPM2235 142 114.9 100
Show 20488+1248 GWP3000 280 24.1 103
Show 20440+1225 HJ 1566 AB 16 16.9 105
Show 20440+1225 HJ 1566 AC 331 32.4 105
Show 20473+0924 GWP2999 356 110.7 105
Show 20558+1047 GWP3019 124 90.5 105
Show 20417+1053 UC 4260 155 39.5 107

 
 
WDS 20488+1106 : COMPONENTS
 
 
  A
B pa=359.6°
sep=109.79"
 
 
20488+1106 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204850.66+110548.9 Mag 13.81 PmRA -9.00
PmDE -9.0
 
 
20488+1106 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204850.61+110738.7 Mag 14.73 PmRA -10.00
PmDE -13.0 Calc delta mag 0.92 Calc coord yes