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Current system
18502+1339
BPM 857 AB


Nearby doubles
5' : 18504+1336
BPM 861

12' : 18510+1339
BPM 868

14' : 18506+1351
J 108

24' : 18517+1331
STF2409AB

25' : 18486+1344
BPM 836

25' : 18494+1400
BPM 847

28' : 18496+1313
SHY 309

29' : 18503+1408
HEI 398

31' : 18491+1313
STF2399AB

33' : 18520+1358
CHR 80

33' : 18521+1322
TOB 296

36' : 18523+1357
BPM 874

39' : 18493+1416
BPM 845

40' : 18508+1301
BPM 865

40' : 18523+1314
TOB 297

41' : 18526+1400
STF2412

41' : 18500+1420
BPM 854

41' : 18479+1403
BPM 833

41' : 18522+1409
BPM 872

42' : 18528+1357
BPM 876

44' : 18511+1421
BPMA 64

47' : 18471+1328
BPM 827

48' : 18522+1302
TDT1094

49' : 18494+1252
BPM 848

50' : 18526+1414
BPMA 67

52' : 18538+1334
J 1188



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

18502+1339 BPM 857 AB

 
 
18h 50m 13.51s +13° 39' 19.1" P.A. 257.00 sep 44.9 mag 15.02,15.40
 
 
Coord 2000 18502+1339 Discov num BPM 857 Comp AB Coord arcsec 2000 18 50 13.51 +13 39 19.1
Date first 1991 Date last 2015 Obs 4
Pa first 257 Pa last 256.8 P.A. Now (θ) 256.8°
Sep first 44.5 Sep last 44.899 Sep. Now (ρ) 44.899"
Mag pri 15.02 Mag sec 15.40 delta mag (ΔM) 0.38 Spectral class
Pri motion ra -003 Sec motion ra -024
Pri motion dec -012 Sec motion dec -016
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.741
This double is physical.
 
 
18502+1339 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 50 14 +13 39 19 BPM 857 AB 2015 4 257 44.9 15.02 15.40 0.38 <===
Show 18 50 10 +13 39 09 BPM 857 BC 2015 3 43 3.4 15.70 15.70 0.00
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Gaia DR2 4507008186456752256
 
 
WDS 18502+1339 BPM 857 AB : NOTES
 
 
discov_num notes refcode
BPM 857 [PM2000] 1598720 + [PM2000] 1598294. 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
18502+1339 BPM 857 AB 2001 3 257 45.1 15.24 15.65 NV 185013.51+133919.1
18502+1339 BPM 857 AB 2015 4 257 44.9 15.02 15.40 NV 185013.51+133919.1

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

 
 
WDS 18502+1339 BPM 857 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18502+1339 BPM 857 AB : MEASURES
 
 
No records found.

 
 
WDS 18502+1339 : VIRTUAL EYEPIECE
 
 

18502+1339 BPM 857A mag 15.02 18502+1339 BPM 857B sep 45.2 P.A. 256.60 mag 15.7 18502+1339 BPM 857C sep 42.5 P.A. 259.10 mag 15.7 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 18502+1339 : ALADIN DSS IMAGE @ 18h 50m 13.51s +13° 39' 19.1"
 
 
 
 
WDS 18502+1339 BPM 857 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18502+1339 BPM 857AB distance=0' 18502+1339 BPM 857BC distance=1' 18504+1336 BPM 861 distance=5' 18510+1339 BPM 868 distance=12' 18506+1351 J 108 distance=14' 18517+1331 STF2409AB distance=24' 18517+1331 STF2409AC distance=24' 18517+1331 WAL 96AB,D distance=24' 18486+1344 BPM 836 distance=25' 18494+1400 BPM 847 distance=25' 18496+1313 SHY 309 distance=28' 18503+1408 HEI 398 distance=29' 18491+1313 STF2399BC distance=31' 18491+1313 STF2399BD distance=31' 18491+1313 STF2399AB distance=31' 18491+1313 STF2399AC distance=31' 18520+1358 CHR 80 distance=33' 18521+1322 TOB 296 distance=33' 18523+1357 BPM 874 distance=36' 18493+1416 BPM 845 distance=39' 18508+1301 BPM 865 distance=40' 18523+1314 TOB 297 distance=40' 18526+1400 STF2412 distance=41' 18500+1420 BPM 854 distance=41' 18479+1403 BPM 833 distance=41' 18522+1409 BPM 872 distance=41' 18528+1357 BPM 876 distance=42' 18511+1421 BPMA 64 distance=44' 18471+1328 BPM 827 distance=47' 18522+1302 TDT1094 distance=48' 18494+1252 BPM 848 distance=49' 18526+1414 BPMA 67 distance=50' 18538+1334 J 1188 distance=52' 18487+1426 BPM 839BC distance=52' 18487+1426 BPM 838AB distance=52' 18537+1353 BPM 880 distance=53' 18531+1412 BPM 877 distance=53' 18504+1241 J 469 distance=56' 18470+1309 SKF1975 distance=57' 18541+1319 J 1837 distance=61' 18523+1432 STF2411AB distance=61' 18523+1432 WAL 97AC distance=61' 18523+1432 WAL 97AD distance=61' 18461+1328 TDT1042 distance=62' 18497+1238 BPM 852 distance=62' 18529+1248 TDT1108 distance=65' 18529+1248 GII 273Aa,Ab distance=65' 18507+1233 BPM 864 distance=67' 18542+1304 HDS2679 distance=68' 18501+1230 BPM 856 distance=70' 18503+1229 BPM 858 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 18502+1339 BPM 857 AB 257 44.9
Show 18502+1339 BPM 857 BC 43 3.4 1
Show 18504+1336 BPM 861 207 104.3 5
Show 18510+1339 BPM 868 14 74.9 12
Show 18506+1351 J 108 77 2.0 14
Show 18517+1331 STF2409 AB 22 0.9 24
Show 18517+1331 STF2409 AC 196 33.8 24
Show 18517+1331 WAL 96 AB,D 291 72.7 24
Show 18486+1344 BPM 836 173 36.6 25
Show 18494+1400 BPM 847 97 42.6 25
Show 18496+1313 SHY 309 161 999.9 28
Show 18503+1408 HEI 398 107 1.8 29
Show 18491+1313 STF2399 BC 18 29.7 31
Show 18491+1313 STF2399 BD 69 42.4 31
Show 18491+1313 STF2399 AB 118 15.8 31
Show 18491+1313 STF2399 AC 48 31.2 31
Show 18520+1358 CHR 80 9 0.1 33
Show 18521+1322 TOB 296 109 20.8 33
Show 18523+1357 BPM 874 154 110.6 36
Show 18493+1416 BPM 845 100 106.7 39
Show 18508+1301 BPM 865 273 87.5 40
Show 18523+1314 TOB 297 86 16.8 40
Show 18526+1400 STF2412 56 1.4 41
Show 18500+1420 BPM 854 271 66.2 41
Show 18479+1403 BPM 833 172 98.0 41
Show 18522+1409 BPM 872 132 116.0 41
Show 18528+1357 BPM 876 272 62.9 42
Show 18511+1421 BPMA 64 274 231.1 44
Show 18471+1328 BPM 827 50 79.2 47
Show 18522+1302 TDT1094 302 1.8 48
Show 18494+1252 BPM 848 350 112.4 49
Show 18526+1414 BPMA 67 13 220.9 50
Show 18538+1334 J 1188 196 2.0 52
Show 18487+1426 BPM 839 BC 319 107.1 52
Show 18487+1426 BPM 838 AB 69 91.1 52
Show 18537+1353 BPM 880 163 116.0 53
Show 18531+1412 BPM 877 210 85.7 53
Show 18504+1241 J 469 111 2.8 56
Show 18470+1309 SKF1975 36 28.8 57
Show 18541+1319 J 1837 120 7.6 61
Show 18523+1432 STF2411 AB 95 13.3 61
Show 18523+1432 WAL 97 AC 87 60.1 61
Show 18523+1432 WAL 97 AD 118 83.8 61
Show 18461+1328 TDT1042 271 0.7 62
Show 18497+1238 BPM 852 304 112.9 62
Show 18529+1248 TDT1108 348 0.8 65
Show 18529+1248 GII 273 Aa,Ab 135 0.2 65
Show 18507+1233 BPM 864 115 54.7 67
Show 18542+1304 HDS2679 317 0.5 68
Show 18501+1230 BPM 856 45 104.1 70
Show 18503+1229 BPM 858 57 69.2 71

 
 
WDS 18502+1339 : COMPONENTS
 
 
  A B
B pa=256.6°
sep=45.25"
 
C pa=259.1°
sep=42.54"
pa=42.5°
sep=3.33"
 
 
18502+1339 A
 
 
Coord arcsec 2000 185013.51+133919.1 Mag 15.02 PmRA -3.00 PmDE -12.0
 
 
18502+1339 B
 
 
Coord arcsec 2000 185010.49+133908.6 Coord calc 185010.49+133908.6 Mag 15.7 PmRA -24.00
PmDE -16.0 Calc delta mag 0.68
 
 
18502+1339 C
 
 
Coord arcsec 2000 185010.64+133911.1 Mag 15.7 Calc delta mag 0.68 Calc coord yes