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Current system
18504+1336
BPM 861


Nearby doubles
5' : 18502+1339
BPM 857AB

10' : 18510+1339
BPM 868

16' : 18506+1351
J 108

20' : 18517+1331
STF2409AB

26' : 18496+1313
SHY 309

28' : 18486+1344
BPM 836

29' : 18494+1400
BPM 847

29' : 18521+1322
TOB 296

30' : 18491+1313
STF2399AB

32' : 18503+1408
HEI 398

33' : 18520+1358
CHR 80

35' : 18523+1357
BPM 874

36' : 18523+1314
TOB 297

36' : 18508+1301
BPM 865

40' : 18526+1400
STF2412

42' : 18528+1357
BPM 876

42' : 18522+1409
BPM 872

43' : 18493+1416
BPM 845

44' : 18522+1302
TDT1094

45' : 18500+1420
BPM 854

45' : 18479+1403
BPM 833

46' : 18511+1421
BPMA 64

47' : 18494+1252
BPM 848

49' : 18471+1328
BPM 827

49' : 18538+1334
J 1188

50' : 18526+1414
BPMA 67



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

18504+1336 BPM 861

 
 
18h 50m 24.53s +13° 36' 10.5" P.A. 207.00 sep 104.3 mag 15.00,15.65
 
 
Coord 2000 18504+1336 Discov num BPM 861 Comp Coord arcsec 2000 18 50 24.53 +13 36 10.5
Date first 1992 Date last 2015 Obs 7
Pa first 206 Pa last 206.5 P.A. Now (θ) 206.5°
Sep first 102.2 Sep last 104.276 Sep. Now (ρ) 104.276"
Mag pri 15.00 Mag sec 15.65 delta mag (ΔM) 0.65 Spectral class
Pri motion ra +040 Sec motion ra +018
Pri motion dec +029 Sec motion dec +008
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.616
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Gaia DR2 4507004819202268288
 
 
WDS 18504+1336 BPM 861 : NOTES
 
 
discov_num notes refcode
BPM 861 [PM2000] 1600353 + [PM2000] 1599901. 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
18504+1336 BPM 861 1999 2 206 102.6 15.00 15.65 NV 185024.53+133610.5
18504+1336 BPM 861 2001 3 206 102.4 15.00 15.65 NV 185024.53+133610.5
18504+1336 BPM 861 2010 4 207 106.0 15.00 15.65 NV 185024.53+133610.5
18504+1336 BPM 861 2015 5 207 104.3 15.00 15.65 NV 185024.53+133610.5

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

 
 
WDS 18504+1336 BPM 861 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18504+1336 BPM 861 : MEASURES
 
 
No records found.

 
 
WDS 18504+1336 : VIRTUAL EYEPIECE
 
 

18504+1336 BPM 861A mag 15 18504+1336 BPM 861B sep 103.7 P.A. 205.90 mag 15.65 virtual eyepiece
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Radius:
Components only
 
 
WDS 18504+1336 : ALADIN DSS IMAGE @ 18h 50m 24.53s +13° 36' 10.5"
 
 
 
 
WDS 18504+1336 BPM 861 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18504+1336 BPM 861 distance=0' 18502+1339 BPM 857AB distance=5' 18502+1339 BPM 857BC distance=5' 18510+1339 BPM 868 distance=10' 18506+1351 J 108 distance=16' 18517+1331 STF2409AB distance=20' 18517+1331 STF2409AC distance=20' 18517+1331 WAL 96AB,D distance=20' 18496+1313 SHY 309 distance=26' 18486+1344 BPM 836 distance=28' 18494+1400 BPM 847 distance=29' 18521+1322 TOB 296 distance=29' 18491+1313 STF2399BC distance=30' 18491+1313 STF2399BD distance=30' 18491+1313 STF2399AB distance=30' 18491+1313 STF2399AC distance=30' 18503+1408 HEI 398 distance=32' 18520+1358 CHR 80 distance=33' 18523+1357 BPM 874 distance=35' 18523+1314 TOB 297 distance=36' 18508+1301 BPM 865 distance=36' 18526+1400 STF2412 distance=40' 18528+1357 BPM 876 distance=42' 18522+1409 BPM 872 distance=42' 18493+1416 BPM 845 distance=43' 18522+1302 TDT1094 distance=44' 18500+1420 BPM 854 distance=45' 18479+1403 BPM 833 distance=45' 18511+1421 BPMA 64 distance=46' 18494+1252 BPM 848 distance=47' 18471+1328 BPM 827 distance=49' 18538+1334 J 1188 distance=49' 18526+1414 BPMA 67 distance=50' 18537+1353 BPM 880 distance=51' 18504+1241 J 469 distance=53' 18531+1412 BPM 877 distance=53' 18487+1426 BPM 839BC distance=56' 18487+1426 BPM 838AB distance=56' 18541+1319 J 1837 distance=57' 18470+1309 SKF1975 distance=58' 18497+1238 BPM 852 distance=60' 18529+1248 TDT1108 distance=61' 18529+1248 GII 273Aa,Ab distance=61' 18523+1432 STF2411AB distance=63' 18523+1432 WAL 97AC distance=63' 18523+1432 WAL 97AD distance=63' 18507+1233 BPM 864 distance=63' 18542+1304 HDS2679 distance=64' 18461+1328 TDT1042 distance=64' 18501+1230 BPM 856 distance=67' 18503+1229 BPM 858 distance=68' 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 18504+1336 BPM 861 207 104.3
Show 18502+1339 BPM 857 AB 257 44.9 5
Show 18502+1339 BPM 857 BC 43 3.4 5
Show 18510+1339 BPM 868 14 74.9 10
Show 18506+1351 J 108 77 2.0 16
Show 18517+1331 STF2409 AB 22 0.9 20
Show 18517+1331 STF2409 AC 196 33.8 20
Show 18517+1331 WAL 96 AB,D 291 72.7 20
Show 18496+1313 SHY 309 161 999.9 26
Show 18486+1344 BPM 836 173 36.6 28
Show 18494+1400 BPM 847 97 42.6 29
Show 18521+1322 TOB 296 109 20.8 29
Show 18491+1313 STF2399 BC 18 29.7 30
Show 18491+1313 STF2399 BD 69 42.4 30
Show 18491+1313 STF2399 AB 118 15.8 30
Show 18491+1313 STF2399 AC 48 31.2 30
Show 18503+1408 HEI 398 107 1.8 32
Show 18520+1358 CHR 80 9 0.1 33
Show 18523+1357 BPM 874 154 110.6 35
Show 18523+1314 TOB 297 86 16.8 36
Show 18508+1301 BPM 865 273 87.5 36
Show 18526+1400 STF2412 56 1.4 40
Show 18528+1357 BPM 876 272 62.9 42
Show 18522+1409 BPM 872 132 116.0 42
Show 18493+1416 BPM 845 100 106.7 43
Show 18522+1302 TDT1094 302 1.8 44
Show 18500+1420 BPM 854 271 66.2 45
Show 18479+1403 BPM 833 172 98.0 45
Show 18511+1421 BPMA 64 274 231.1 46
Show 18494+1252 BPM 848 350 112.4 47
Show 18471+1328 BPM 827 50 79.2 49
Show 18538+1334 J 1188 196 2.0 49
Show 18526+1414 BPMA 67 13 220.9 50
Show 18537+1353 BPM 880 163 116.0 51
Show 18504+1241 J 469 111 2.8 53
Show 18531+1412 BPM 877 210 85.7 53
Show 18487+1426 BPM 839 BC 319 107.1 56
Show 18487+1426 BPM 838 AB 69 91.1 56
Show 18541+1319 J 1837 120 7.6 57
Show 18470+1309 SKF1975 36 28.8 58
Show 18497+1238 BPM 852 304 112.9 60
Show 18529+1248 TDT1108 348 0.8 61
Show 18529+1248 GII 273 Aa,Ab 135 0.2 61
Show 18523+1432 STF2411 AB 95 13.3 63
Show 18523+1432 WAL 97 AC 87 60.1 63
Show 18523+1432 WAL 97 AD 118 83.8 63
Show 18507+1233 BPM 864 115 54.7 63
Show 18542+1304 HDS2679 317 0.5 64
Show 18461+1328 TDT1042 271 0.7 64
Show 18501+1230 BPM 856 45 104.1 67
Show 18503+1229 BPM 858 57 69.2 68

 
 
WDS 18504+1336 : COMPONENTS
 
 
  A
B pa=205.9°
sep=103.70"
 
 
18504+1336 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 185024.53+133610.5 Mag 15 PmRA 40.00
PmDE 29.0
 
 
18504+1336 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 185021.43+133437.2 Mag 15.65 PmRA 18.00
PmDE 8.0 Calc delta mag 0.65 Calc coord yes