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Current system
18500+1420
BPM 854


Nearby doubles
11' : 18493+1416
BPM 845

13' : 18503+1408
HEI 398

17' : 18511+1421
BPMA 64

20' : 18487+1426
BPM 838AB

22' : 18494+1400
BPM 847

30' : 18506+1351
J 108

34' : 18522+1409
BPM 872

34' : 18479+1403
BPM 833

37' : 18523+1432
STF2411AB

38' : 18520+1358
CHR 80

39' : 18506+1458
BPM 863

40' : 18526+1414
BPMA 67

41' : 18502+1339
BPM 857AB

41' : 18523+1357
BPM 874

42' : 18486+1344
BPM 836

43' : 18526+1400
STF2412

44' : 18524+1445
BPMA 66

45' : 18510+1339
BPM 868

45' : 18504+1336
BPM 861

45' : 18510+1501
HDS2673

47' : 18531+1412
BPM 877

48' : 18515+1507
OL 105

48' : 18510+1505
BPMA 63

48' : 18528+1357
BPM 876

56' : 18517+1331
STF2409AB

56' : 18462+1432
BPM 822



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

18500+1420 BPM 854

 
 
18h 49m 57.67s +14° 19' 44.8" P.A. 271.00 sep 66.2 mag 14.22,15.66
 
 
Coord 2000 18500+1420 Discov num BPM 854 Comp Coord arcsec 2000 18 49 57.67 +14 19 44.8
Date first 1991 Date last 2015 Obs 9
Pa first 271 Pa last 270.8 P.A. Now (θ) 270.8°
Sep first 65.9 Sep last 66.214 Sep. Now (ρ) 66.214"
Mag pri 14.22 Mag sec 15.66 delta mag (ΔM) 1.44 Spectral class
Pri motion ra +013 Sec motion ra +008
Pri motion dec -005 Sec motion dec -003
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.387
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Gaia DR2 4507115109651056384
 
 
WDS 18500+1420 BPM 854 : NOTES
 
 
discov_num notes refcode
BPM 854 [PM2000] 1596486 + [PM2000] 1595844. 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
18500+1420 BPM 854 1999 2 271 66.0 14.15 15.32 NV 184957.67+141944.8
18500+1420 BPM 854 2001 3 271 66.1 14.15 15.32 NV 184957.67+141944.8
18500+1420 BPM 854 2010 4 271 66.2 14.22 15.66 NV 184957.67+141944.8
18500+1420 BPM 854 2015 5 271 66.2 14.22 15.66 NV 184957.67+141944.8

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

 
 
WDS 18500+1420 BPM 854 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18500+1420 BPM 854 : MEASURES
 
 
No records found.

 
 
WDS 18500+1420 : VIRTUAL EYEPIECE
 
 

18500+1420 BPM 854A mag 14.22 18500+1420 BPM 854B sep 64.2 P.A. 270.80 mag 15.66 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18500+1420 : ALADIN DSS IMAGE @ 18h 49m 57.67s +14° 19' 44.8"
 
 
 
 
WDS 18500+1420 BPM 854 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18500+1420 BPM 854 distance=0' 18493+1416 BPM 845 distance=11' 18503+1408 HEI 398 distance=13' 18511+1421 BPMA 64 distance=17' 18487+1426 BPM 839BC distance=19' 18487+1426 BPM 838AB distance=20' 18494+1400 BPM 847 distance=22' 18506+1351 J 108 distance=30' 18522+1409 BPM 872 distance=34' 18479+1403 BPM 833 distance=34' 18523+1432 STF2411AB distance=37' 18523+1432 WAL 97AC distance=37' 18523+1432 WAL 97AD distance=37' 18520+1358 CHR 80 distance=38' 18506+1458 BPM 863 distance=39' 18526+1414 BPMA 67 distance=40' 18502+1339 BPM 857AB distance=41' 18502+1339 BPM 857BC distance=41' 18523+1357 BPM 874 distance=41' 18486+1344 BPM 836 distance=42' 18526+1400 STF2412 distance=43' 18524+1445 BPMA 66 distance=44' 18510+1339 BPM 868 distance=45' 18504+1336 BPM 861 distance=45' 18510+1501 HDS2673 distance=45' 18531+1412 BPM 877 distance=47' 18515+1507 OL 105 distance=48' 18510+1505 BPMA 63 distance=48' 18528+1357 BPM 876 distance=48' 18517+1331 STF2409AB distance=56' 18517+1331 STF2409AC distance=56' 18517+1331 WAL 96AB,D distance=56' 18462+1432 BPM 822 distance=56' 18500+1519 YSC 12AB distance=59' 18500+1519 LLO 16AC distance=59' 18500+1519 LLO 16AD distance=59' 18537+1353 BPM 880 distance=61' 18506+1525 BPM 862 distance=66' 18521+1322 TOB 296 distance=66' 18471+1328 BPM 827 distance=66' 18491+1524 BPM 842 distance=66' 18496+1313 SHY 309 distance=67' 18459+1450 HEI 397 distance=67' 18484+1524 J 2150 distance=68' 18491+1313 STF2399AB distance=68' 18491+1313 STF2399AC distance=68' 18491+1313 STF2399BC distance=69' 18491+1313 STF2399BD distance=69' 18453+1434 BPM 818 distance=69' 18471+1515 HJ 1344 distance=69' 18451+1415 BPM 817 distance=71' 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 18500+1420 BPM 854 271 66.2
Show 18493+1416 BPM 845 100 106.7 11
Show 18503+1408 HEI 398 107 1.8 13
Show 18511+1421 BPMA 64 274 231.1 17
Show 18487+1426 BPM 839 BC 319 107.1 19
Show 18487+1426 BPM 838 AB 69 91.1 20
Show 18494+1400 BPM 847 97 42.6 22
Show 18506+1351 J 108 77 2.0 30
Show 18522+1409 BPM 872 132 116.0 34
Show 18479+1403 BPM 833 172 98.0 34
Show 18523+1432 STF2411 AB 95 13.3 37
Show 18523+1432 WAL 97 AC 87 60.1 37
Show 18523+1432 WAL 97 AD 118 83.8 37
Show 18520+1358 CHR 80 9 0.1 38
Show 18506+1458 BPM 863 270 86.3 39
Show 18526+1414 BPMA 67 13 220.9 40
Show 18502+1339 BPM 857 AB 257 44.9 41
Show 18502+1339 BPM 857 BC 43 3.4 41
Show 18523+1357 BPM 874 154 110.6 41
Show 18486+1344 BPM 836 173 36.6 42
Show 18526+1400 STF2412 56 1.4 43
Show 18524+1445 BPMA 66 351 253.5 44
Show 18510+1339 BPM 868 14 74.9 45
Show 18504+1336 BPM 861 207 104.3 45
Show 18510+1501 HDS2673 299 0.1 45
Show 18531+1412 BPM 877 210 85.7 47
Show 18515+1507 OL 105 157 4.7 48
Show 18510+1505 BPMA 63 327 156.2 48
Show 18528+1357 BPM 876 272 62.9 48
Show 18517+1331 STF2409 AB 22 0.9 56
Show 18517+1331 STF2409 AC 196 33.8 56
Show 18517+1331 WAL 96 AB,D 291 72.7 56
Show 18462+1432 BPM 822 228 116.6 56
Show 18500+1519 YSC 12 AB 35 0.5 59
Show 18500+1519 LLO 16 AC 19 11.1 59
Show 18500+1519 LLO 16 AD 225 15.7 59
Show 18537+1353 BPM 880 163 116.0 61
Show 18506+1525 BPM 862 276 60.3 66
Show 18521+1322 TOB 296 109 20.8 66
Show 18471+1328 BPM 827 50 79.2 66
Show 18491+1524 BPM 842 278 103.7 66
Show 18496+1313 SHY 309 161 999.9 67
Show 18459+1450 HEI 397 141 1.1 67
Show 18484+1524 J 2150 34 19.9 68
Show 18491+1313 STF2399 AB 118 15.8 68
Show 18491+1313 STF2399 AC 48 31.2 68
Show 18491+1313 STF2399 BC 18 29.7 69
Show 18491+1313 STF2399 BD 69 42.4 69
Show 18453+1434 BPM 818 85 115.9 69
Show 18471+1515 HJ 1344 207 13.0 69
Show 18451+1415 BPM 817 54 44.7 71

 
 
WDS 18500+1420 : COMPONENTS
 
 
  A
B pa=270.8°
sep=64.15"
 
 
18500+1420 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 184957.67+141944.8 Mag 14.22 PmRA 13.00
PmDE -5.0
 
 
18500+1420 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 184953.26+141945.7 Mag 15.66 PmRA 8.00
PmDE -3.0 Calc delta mag 1.44 Calc coord yes