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Current system
18450+1255
BPM 816


Nearby doubles
23' : 18435+1247
BPM 808

26' : 18460+1235
GWP2798

26' : 18464+1240
BPM 825

31' : 18435+1234
HDS2652

33' : 18470+1309
SKF1975

36' : 18431+1318
BPM 806

37' : 18461+1328
TDT1042

43' : 18472+1227
BPM 828

44' : 18476+1234
BPM 829

46' : 18471+1328
BPM 827

52' : 18436+1207
HJ 1338

52' : 18481+1231
BPMA 60

53' : 18438+1344
HEI 396AB

59' : 18438+1200
BPM 810

64' : 18491+1313
STF2399AB

65' : 18494+1252
BPM 848

68' : 18427+1354
JNN 280

68' : 18489+1219
BPM 841

71' : 18496+1313
SHY 309

72' : 18497+1238
BPM 852

72' : 18486+1344
BPM 836

73' : 18427+1152
AG 364AB

74' : 18408+1214
HJ 1334

76' : 18453+1140
J 2145

76' : 18467+1144
BRT1309

76' : 18493+1214
BPM 844



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

18450+1255 BPM 816

 
 
18h 44m 58.53s +12° 55' 05.3" P.A. 163.00 sep 66.7 mag 14.63,15.85
 
 
Coord 2000 18450+1255 Discov num BPM 816 Comp Coord arcsec 2000 18 44 58.53 +12 55 05.3
Date first 1991 Date last 2015 Obs 8
Pa first 163 Pa last 162.8 P.A. Now (θ) 162.8°
Sep first 67.4 Sep last 66.664 Sep. Now (ρ) 66.664"
Mag pri 14.63 Mag sec 15.85 delta mag (ΔM) 1.22 Spectral class
Pri motion ra +021 Sec motion ra -012
Pri motion dec -029 Sec motion dec -005
Notes N V (See Notes, Proper motion indicates physical)
rPM=1.14
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Gaia DR2 4505402762041270912
 
 
WDS 18450+1255 BPM 816 : NOTES
 
 
discov_num notes refcode
BPM 816 [PM2000] 1555247 + [PM2000] 1555413. 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
 
 
discov author
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 dm_number notes coord_arcsec_2000
18450+1255 BPM 816 1998 2 163 66.9 14.63 15.85 NV 184458.53+125505.3
18450+1255 BPM 816 2001 3 163 66.9 14.63 15.85 NV 184458.53+125505.3
18450+1255 BPM 816 2015 4 162 66.5 14.63 15.85 NV 184458.53+125505.3

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

 
 
WDS 18450+1255 BPM 816 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18450+1255 BPM 816 : MEASURES
 
 
No records found.

 
 
WDS 18450+1255 : VIRTUAL EYEPIECE
 
 

18450+1255 BPM 816A mag 14.63 18450+1255 BPM 816B sep 66.7 P.A. 162.80 mag 15.85 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18450+1255 : ALADIN DSS IMAGE @ 18h 44m 58.53s +12° 55' 05.3"
 
 
 
 
WDS 18450+1255 BPM 816 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18450+1255 BPM 816 distance=0' 18435+1247 BPM 808 distance=23' 18460+1235 GWP2798 distance=26' 18464+1240 BPM 825 distance=26' 18435+1234 HDS2652 distance=31' 18470+1309 SKF1975 distance=33' 18431+1318 BPM 806 distance=36' 18461+1328 TDT1042 distance=37' 18472+1227 BPM 828 distance=43' 18476+1234 BPM 829 distance=44' 18471+1328 BPM 827 distance=46' 18436+1207 HJ 1338 distance=52' 18481+1231 BPMA 60 distance=52' 18438+1344 HEI 396AB distance=53' 18438+1344 HEI 396AC distance=53' 18438+1344 HEI 396AD distance=53' 18438+1200 BPM 810 distance=59' 18491+1313 STF2399AB distance=64' 18491+1313 STF2399AC distance=64' 18491+1313 STF2399BC distance=64' 18491+1313 STF2399BD distance=64' 18494+1252 BPM 848 distance=65' 18427+1354 JNN 280 distance=68' 18489+1219 BPM 841 distance=68' 18496+1313 SHY 309 distance=71' 18497+1238 BPM 852 distance=72' 18427+1152 AG 364BC distance=72' 18486+1344 BPM 836 distance=72' 18427+1152 AG 364AB distance=73' 18427+1152 AG 364AC distance=73' 18408+1214 HJ 1334 distance=74' 18453+1140 J 2145 distance=76' 18467+1144 BRT1309 distance=76' 18493+1214 BPM 844 distance=76' 18446+1138 BPM 814 distance=78' 18424+1403 J 103 distance=78' 18501+1230 BPM 856 distance=80' 18451+1415 BPM 817 distance=81' 18479+1403 BPM 833 distance=81' 18504+1241 J 469 distance=81' 18493+1206 BPM 846 distance=81' 18423+1407 J 1071 distance=82' 18460+1135 DAM1252 distance=82' 18503+1229 BPM 858 distance=83' 18503+1228 J 468AB distance=83' 18503+1228 J 468AC distance=83' 18503+1228 GII 272Aa,Ab distance=83' 18474+1141 J 1134BC distance=83' 18474+1141 J 1134AB distance=83' 18474+1141 J 1134AD distance=83' 18502+1227 J 1226 distance=83' 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 18450+1255 BPM 816 163 66.7 0
Show 18435+1247 BPM 808 52 105.8 23
Show 18460+1235 GWP2798 192 32.9 26
Show 18464+1240 BPM 825 189 60.7 26
Show 18435+1234 HDS2652 357 0.1 31
Show 18470+1309 SKF1975 36 28.8 33
Show 18431+1318 BPM 806 125 109.5 36
Show 18461+1328 TDT1042 275 0.7 37
Show 18472+1227 BPM 828 113 101.1 43
Show 18476+1234 BPM 829 217 104.1 44
Show 18471+1328 BPM 827 50 79.2 46
Show 18436+1207 HJ 1338 189 11.5 52
Show 18481+1231 BPMA 60 135 285.7 52
Show 18438+1344 HEI 396 AB 84 3.3 53
Show 18438+1344 HEI 396 AC 166 3.6 53
Show 18438+1344 HEI 396 AD 30 4.6 53
Show 18438+1200 BPM 810 141 41.5 59
Show 18491+1313 STF2399 AB 118 15.8 64
Show 18491+1313 STF2399 AC 48 31.2 64
Show 18491+1313 STF2399 BC 18 29.7 64
Show 18491+1313 STF2399 BD 69 42.4 64
Show 18494+1252 BPM 848 350 112.4 65
Show 18427+1354 JNN 280 177 3.7 68
Show 18489+1219 BPM 841 22 72.6 68
Show 18496+1313 SHY 309 161 999.9 71
Show 18497+1238 BPM 852 304 112.9 72
Show 18427+1152 AG 364 BC 144 8.6 72
Show 18486+1344 BPM 836 173 36.6 72
Show 18427+1152 AG 364 AB 1 29.8 73
Show 18427+1152 AG 364 AC 14 23.6 73
Show 18408+1214 HJ 1334 91 11.1 74
Show 18453+1140 J 2145 116 5.4 76
Show 18467+1144 BRT1309 195 4.3 76
Show 18493+1214 BPM 844 2 114.7 76
Show 18446+1138 BPM 814 336 105.1 78
Show 18424+1403 J 103 165 5.7 78
Show 18501+1230 BPM 856 45 104.1 80
Show 18451+1415 BPM 817 54 44.7 81
Show 18479+1403 BPM 833 172 98.0 81
Show 18504+1241 J 469 111 2.8 81
Show 18493+1206 BPM 846 144 54.3 81
Show 18423+1407 J 1071 67 5.1 82
Show 18460+1135 DAM1252 182 8.7 82
Show 18503+1229 BPM 858 57 69.2 83
Show 18503+1228 J 468 AB 54 1.8 83
Show 18503+1228 J 468 AC 141 9.7 83
Show 18503+1228 GII 272 Aa,Ab 103 0.1 83
Show 18474+1141 J 1134 BC 265 9.6 83
Show 18474+1141 J 1134 AB 265 3.8 83
Show 18474+1141 J 1134 AD 170 7.7 83
Show 18502+1227 J 1226 242 2.2 83

 
 
WDS 18450+1255 : COMPONENTS
 
 
  A
B pa=162.8°
sep=66.66"
 
 
18450+1255 A
 
 
Coord arcsec 2000 184458.53+125505.3 Mag 14.63 PmRA 21.00 PmDE -29.0
 
 
18450+1255 B
 
 
Coord arcsec 2000 184459.88+125401.6 Mag 15.85 PmRA -12.00 PmDE -5.0
Delta magnitude 1.22 Coordinate calculated yes