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Current system
18551+1537
BPM 887


Nearby doubles
16' : 18551+1522
BPMA 68

23' : 18566+1545
BPM 898

27' : 18540+1516
L 40

28' : 18569+1546
L 42

29' : 18565+1555
J 1278AB

33' : 18533+1557
BPM 879

40' : 18574+1517
BPM 905

41' : 18568+1505
BPM 900

43' : 18580+1543
BPM 910

47' : 18577+1509
OL 180

50' : 18535+1619
HEI 263

54' : 18585+1518
AG 368AB

55' : 18517+1600
BPM 870

55' : 18586+1514
BPM 915

56' : 18572+1450
HU 676

57' : 18585+1523
OL 190

58' : 18590+1542
BPM 917

59' : 18582+1614
RAO 403

62' : 18584+1459
BPM 913

62' : 18574+1445
KPP2586

65' : 18563+1435
BPM 896

65' : 18524+1445
BPMA 66

67' : 18506+1525
BPM 862

68' : 18551+1644
WFC 216

68' : 18510+1505
BPMA 63

68' : 18515+1507
OL 105



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

18551+1537 BPM 887

 
 
18h 55m 06.14s +15° 36' 44.5" P.A. 40.00 sep 68.2 mag 13.12,15.87
 
 
Coord 2000 18551+1537 Discov num BPM 887 Comp Coord arcsec 2000 18 55 06.14 +15 36 44.5
Date first 1993 Date last 2015 Obs 9
Pa first 40 Pa last 39.7 P.A. Now (θ) 39.7°
Sep first 67.8 Sep last 68.217 Sep. Now (ρ) 68.217"
Mag pri 13.12 Mag sec 15.87 delta mag (ΔM) 2.75 Spectral class
Pri motion ra -007 Sec motion ra -018
Pri motion dec -007 Sec motion dec +017
Notes N V (See Notes, Proper motion indicates physical)
rPM=1.066
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Gaia DR2 4507861166955361920
 
 
WDS 18551+1537 BPM 887 : NOTES
 
 
discov_num notes refcode
BPM 887 [PM2000] 1639912 + [PM2000] 1640333. 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
18551+1537 BPM 887 1997 2 40 68.0 13.12 15.87 NV 185506.14+153644.5
18551+1537 BPM 887 2001 3 40 68.0 13.12 15.87 NV 185506.14+153644.5
18551+1537 BPM 887 2010 4 40 68.2 13.12 15.87 NV 185506.14+153644.5
18551+1537 BPM 887 2015 5 40 68.2 13.12 15.87 NV 185506.14+153644.5

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

 
 
WDS 18551+1537 BPM 887 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18551+1537 BPM 887 : MEASURES
 
 
No records found.

 
 
WDS 18551+1537 : VIRTUAL EYEPIECE
 
 

18551+1537 BPM 887A mag 13.12 18551+1537 BPM 887B sep 67.2 P.A. 38.60 mag 15.87 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18551+1537 : ALADIN DSS IMAGE @ 18h 55m 06.14s +15° 36' 44.5"
 
 
 
 
WDS 18551+1537 BPM 887 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18551+1537 BPM 887 distance=0' 18551+1522 BPMA 68 distance=16' 18566+1545 BPM 898 distance=23' 18540+1516 L 40 distance=27' 18569+1546 L 42 distance=28' 18565+1555 J 1278AB distance=29' 18565+1555 J 1278AC distance=29' 18533+1557 BPM 879 distance=33' 18574+1517 BPM 905 distance=40' 18568+1505 BPM 900 distance=41' 18580+1543 BPM 910 distance=43' 18577+1509 OL 180 distance=47' 18535+1619 HEI 263 distance=50' 18585+1518 TDT1157Aa,Ab distance=54' 18585+1518 AG 368AB distance=54' 18517+1600 BPM 870 distance=55' 18586+1514 BPM 915 distance=55' 18572+1450 HU 676 distance=56' 18585+1523 OL 190 distance=57' 18590+1542 BPM 917 distance=58' 18582+1614 RAO 403 distance=59' 18584+1459 BPM 913 distance=62' 18574+1445 KPP2586 distance=62' 18563+1435 BPM 896 distance=65' 18524+1445 BPMA 66 distance=65' 18506+1525 BPM 862 distance=67' 18551+1644 WFC 216 distance=68' 18510+1505 BPMA 63 distance=68' 18515+1507 OL 105 distance=68' 18510+1501 HDS2673 distance=69' 18504+1554 BPM 860 distance=71' 18521+1635 BPM 871 distance=73' 18596+1504 ENG 65AB (Deneb el okab) distance=74' 18596+1504 ENG 65AC (Deneb el okab) distance=74' 18573+1644 BPM 903 distance=74' 18596+1504 ENG 65BC distance=74' 18502+1603 RAO 399 distance=76' 18500+1519 YSC 12AB distance=76' 18500+1519 LLO 16AC distance=76' 18500+1519 LLO 16AD distance=76' 18523+1432 STF2411AB distance=77' 18523+1432 WAL 97AC distance=77' 18523+1432 WAL 97AD distance=77' 18506+1458 BPM 863 distance=77' 18525+1644 BPM 875 distance=77' 18597+1615 TOK 622AB distance=77' 18597+1615 TOK 622AC distance=77' 18597+1615 SOZ 25AD distance=77' 18595+1504 WRD 2AB distance=78' 18595+1504 WRD 2AC distance=78' 18582+1644 BPM 911 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 18551+1537 BPM 887 40 68.2
Show 18551+1522 BPMA 68 245 229.1 16
Show 18566+1545 BPM 898 20 61.1 23
Show 18540+1516 L 40 6 12.9 27
Show 18569+1546 L 42 35 1.8 28
Show 18565+1555 J 1278 AB 98 2.3 29
Show 18565+1555 J 1278 AC 106 26.2 29
Show 18533+1557 BPM 879 224 33.0 33
Show 18574+1517 BPM 905 37 112.1 40
Show 18568+1505 BPM 900 256 105.4 41
Show 18580+1543 BPM 910 205 62.8 43
Show 18577+1509 OL 180 47 2.2 47
Show 18535+1619 HEI 263 353 6.3 50
Show 18585+1518 TDT1157 Aa,Ab 232 0.4 54
Show 18585+1518 AG 368 AB 318 17.3 54
Show 18517+1600 BPM 870 335 90.7 55
Show 18586+1514 BPM 915 20 105.2 55
Show 18572+1450 HU 676 79 1.2 56
Show 18585+1523 OL 190 295 3.3 57
Show 18590+1542 BPM 917 221 99.4 58
Show 18582+1614 RAO 403 168 0.4 59
Show 18584+1459 BPM 913 18 115.5 62
Show 18574+1445 KPP2586 286 23.4 62
Show 18563+1435 BPM 896 31 99.8 65
Show 18524+1445 BPMA 66 351 253.5 65
Show 18506+1525 BPM 862 276 60.3 67
Show 18551+1644 WFC 216 88 12.0 68
Show 18510+1505 BPMA 63 327 156.2 68
Show 18515+1507 OL 105 157 4.7 68
Show 18510+1501 HDS2673 299 0.1 69
Show 18504+1554 BPM 860 174 80.3 71
Show 18521+1635 BPM 871 188 76.6 73
Show Deneb el okab 18596+1504 ENG 65 AB 184 122.0 74
Show Deneb el okab 18596+1504 ENG 65 AC 159 142.9 74
Show 18573+1644 BPM 903 24 112.7 74
Show 18596+1504 ENG 65 BC 102 59.8 74
Show 18502+1603 RAO 399 140 2.8 76
Show 18500+1519 YSC 12 AB 35 0.5 76
Show 18500+1519 LLO 16 AC 19 11.1 76
Show 18500+1519 LLO 16 AD 225 15.7 76
Show 18523+1432 STF2411 AB 95 13.3 77
Show 18523+1432 WAL 97 AC 87 60.1 77
Show 18523+1432 WAL 97 AD 118 83.8 77
Show 18506+1458 BPM 863 270 86.3 77
Show 18525+1644 BPM 875 352 114.0 77
Show 18597+1615 TOK 622 AB 267 999.9 77
Show 18597+1615 TOK 622 AC 218 999.9 77
Show 18597+1615 SOZ 25 AD 208 18.4 77
Show 18595+1504 WRD 2 AB 251 9.3 78
Show 18595+1504 WRD 2 AC 100 22.3 78
Show 18582+1644 BPM 911 268 117.4 81

 
 
WDS 18551+1537 : COMPONENTS
 
 
  A
B pa=38.6°
sep=67.20"
 
 
18551+1537 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 185506.14+153644.5 Mag 13.12 PmRA -7.00
PmDE -7.0
 
 
18551+1537 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 185509.04+153737.0 Mag 15.87 PmRA -18.00
PmDE 17.0 Calc delta mag 2.75 Calc coord yes