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Current system
18557+1216
BPM 890


Nearby doubles
7' : 18553+1217
HEI 564

20' : 18549+1201
BPM 884

22' : 18556+1154
J 3273

24' : 18541+1212
KPP1159

27' : 18543+1158
BPM 882

28' : 18558+1243
BPM 891

30' : 18560+1147
BPM 893

32' : 18562+1145
GRV 243

32' : 18545+1149
BPM 883

33' : 18553+1144
ROE 113AB

38' : 18584+1214
J 2537

39' : 18557+1254
COG 1AB

41' : 18550+1136
BPM 886

42' : 18559+1258
BPM 892

45' : 18588+1217
J 2581

46' : 18548+1300
J 532

47' : 18528+1234
AG 365

49' : 18553+1304
BPMA 69

51' : 18586+1242
AG 369

52' : 18529+1248
TDT1108

53' : 18522+1203
BPM 873

53' : 18542+1304
HDS2679

55' : 18530+1137
HU 258

57' : 18560+1119
J 1277

57' : 18575+1306
BPMA 71

58' : 18550+1119
BPM 885



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

18557+1216 BPM 890

 
 
18h 55m 39.54s +12° 15' 41.4" P.A. 226.00 sep 89.8 mag 13.01,13.80
 
 
Coord 2000 18557+1216 Discov num BPM 890 Comp Coord arcsec 2000 18 55 39.54 +12 15 41.4
Date first 1962 Date last 2015 Obs 9
Pa first 226 Pa last 226.2 P.A. Now (θ) 226.2°
Sep first 89.9 Sep last 89.776 Sep. Now (ρ) 89.776"
Mag pri 13.01 Mag sec 13.80 delta mag (ΔM) 0.79 Spectral class
Pri motion ra -001 Sec motion ra +000
Pri motion dec +001 Sec motion dec -003
Notes N V (See Notes, Proper motion indicates physical)
rPM=1.374
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Gaia DR2 4505869947088548608
 
 
WDS 18557+1216 BPM 890 : NOTES
 
 
discov_num notes refcode
BPM 890 [PM2000] 1644364 + [PM2000] 1643759. 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
18557+1216 BPM 890 1997 2 226 89.8 13.27 14.09 NV 185539.54+121541.4
18557+1216 BPM 890 2001 3 226 89.8 13.27 14.09 NV 185539.54+121541.4
18557+1216 BPM 890 2010 4 226 89.6 13.01 13.80 NV 185539.54+121541.4
18557+1216 BPM 890 2015 5 226 89.8 13.01 13.80 NV 185539.54+121541.4

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

 
 
WDS 18557+1216 BPM 890 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18557+1216 BPM 890 : MEASURES
 
 
No records found.

 
 
WDS 18557+1216 : VIRTUAL EYEPIECE
 
 

18557+1216 BPM 890A mag 13.01 18557+1216 BPM 890B sep 88.7 P.A. 225.50 mag 13.8 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18557+1216 : ALADIN DSS IMAGE @ 18h 55m 39.54s +12° 15' 41.4"
 
 
 
 
WDS 18557+1216 BPM 890 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18557+1216 BPM 890 distance=0' 18553+1217 HEI 564 distance=7' 18549+1201 BPM 884 distance=20' 18556+1154 J 3273 distance=22' 18541+1212 KPP1159 distance=24' 18543+1158 BPM 882 distance=27' 18558+1243 BPM 891 distance=28' 18560+1147 BPM 893 distance=30' 18562+1145 GRV 243 distance=32' 18545+1149 BPM 883 distance=32' 18553+1144 ROE 113AB distance=33' 18553+1144 ROE 113AC distance=33' 18584+1214 J 2537 distance=38' 18557+1254 COG 1AB distance=39' 18557+1254 COG 1AC distance=39' 18557+1254 ABH 107AE distance=39' 18557+1254 ABH 107AF distance=39' 18557+1254 ABH 107AG distance=39' 18557+1254 COG 1CD distance=40' 18550+1136 BPM 886 distance=41' 18559+1258 BPM 892 distance=42' 18588+1217 J 2581 distance=45' 18548+1300 J 532 distance=46' 18528+1234 AG 365 distance=47' 18553+1304 BPMA 69 distance=49' 18586+1242 AG 369 distance=51' 18529+1248 TDT1108 distance=52' 18529+1248 GII 273Aa,Ab distance=52' 18522+1203 BPM 873 distance=53' 18542+1304 HDS2679 distance=53' 18530+1137 HU 258 distance=55' 18560+1119 J 1277 distance=57' 18575+1306 BPMA 71 distance=57' 18550+1119 BPM 885 distance=58' 18554+1118 SRW 7BC distance=59' 18554+1118 SRW 7AB distance=59' 18554+1118 SRW 7AC distance=59' 18521+1148 HU 199 distance=59' 18597+1206 BPMA 75 distance=61' 18544+1118 HJ 1353 distance=61' 18517+1156 BRT1313 distance=63' 18577+1312 BPM 909 distance=64' 18591+1149 J 473 distance=65' 18541+1319 J 1837 distance=68' 18522+1302 TDT1094 distance=69' 18559+1104 J 471 distance=72' 18516+1136 DAM 125 distance=72' 19006+1214 HU 678 distance=73' 19000+1253 STF2426BC distance=74' 19000+1253 STF2426AB distance=74' 18506+1219 HJ 1350 distance=75' 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 18557+1216 BPM 890 226 89.8
Show 18553+1217 HEI 564 230 2.9 7
Show 18549+1201 BPM 884 105 104.0 20
Show 18556+1154 J 3273 98 3.4 22
Show 18541+1212 KPP1159 348 9.0 24
Show 18543+1158 BPM 882 116 119.5 27
Show 18558+1243 BPM 891 213 99.0 28
Show 18560+1147 BPM 893 110 108.0 30
Show 18562+1145 GRV 243 349 32.8 32
Show 18545+1149 BPM 883 4 90.8 32
Show 18553+1144 ROE 113 AB 186 1.7 33
Show 18553+1144 ROE 113 AC 303 21.2 33
Show 18584+1214 J 2537 7 4.5 38
Show 18557+1254 COG 1 AB 284 26.2 39
Show 18557+1254 COG 1 AC 53 38.6 39
Show 18557+1254 ABH 107 AE 58 107.5 39
Show 18557+1254 ABH 107 AF 107 122.5 39
Show 18557+1254 ABH 107 AG 251 97.8 39
Show 18557+1254 COG 1 CD 316 3.4 40
Show 18550+1136 BPM 886 289 109.9 41
Show 18559+1258 BPM 892 348 48.7 42
Show 18588+1217 J 2581 315 7.9 45
Show 18548+1300 J 532 4 4.4 46
Show 18528+1234 AG 365 186 18.8 47
Show 18553+1304 BPMA 69 26 136.8 49
Show 18586+1242 AG 369 229 4.7 51
Show 18529+1248 TDT1108 348 0.8 52
Show 18529+1248 GII 273 Aa,Ab 135 0.2 52
Show 18522+1203 BPM 873 123 70.0 53
Show 18542+1304 HDS2679 317 0.5 53
Show 18530+1137 HU 258 217 2.5 55
Show 18560+1119 J 1277 57 1.9 57
Show 18575+1306 BPMA 71 61 216.5 57
Show 18550+1119 BPM 885 283 77.8 58
Show 18554+1118 SRW 7 BC 267 28.6 59
Show 18554+1118 SRW 7 AB 24 26.4 59
Show 18554+1118 SRW 7 AC 322 29.1 59
Show 18521+1148 HU 199 345 0.9 59
Show 18597+1206 BPMA 75 317 275.5 61
Show 18544+1118 HJ 1353 207 8.4 61
Show 18517+1156 BRT1313 8 4.0 63
Show 18577+1312 BPM 909 229 87.1 64
Show 18591+1149 J 473 161 3.6 65
Show 18541+1319 J 1837 120 7.6 68
Show 18522+1302 TDT1094 302 1.8 69
Show 18559+1104 J 471 297 5.5 72
Show 18516+1136 DAM 125 324 9.0 72
Show 19006+1214 HU 678 359 2.9 73
Show 19000+1253 STF2426 BC 173 4.2 74
Show 19000+1253 STF2426 AB 261 16.5 74
Show 18506+1219 HJ 1350 177 4.1 75

 
 
WDS 18557+1216 : COMPONENTS
 
 
  A
B pa=225.5°
sep=88.72"
 
 
18557+1216 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 185539.54+121541.4 Mag 13.01 PmRA -1.00
PmDE 1.0
 
 
18557+1216 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 185535.22+121439.3 Mag 13.8 PmRA 0.00
PmDE -3.0 Calc delta mag 0.79 Calc coord yes