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Current system
20471+1257
BPM 2265


Nearby doubles
22' : 20457+1302
WFC 258

27' : 20488+1248
GWP3000

28' : 20460+1235
KPP 477

34' : 20492+1243
GWP3001

34' : 20450+1244
BU 64AB

38' : 20466+1334
GWP2996

40' : 20446+1312
TDS1098

41' : 20486+1223
BPM2273

42' : 20499+1255
HJ 1577

45' : 20496+1322
TDT2565

45' : 20496+1233
BU 1495AB

46' : 20440+1256
DAM 218

47' : 20467+1343
BPM2262

47' : 20502+1246
J 3277

48' : 20498+1321
HJ 1578

48' : 20439+1255
J 1888

50' : 20449+1219
STF2723AB

51' : 20503+1317
BPM2279

51' : 20497+1331
BPM2277

51' : 20441+1258
J 1889

51' : 20446+1333
YSC 242AB

54' : 20440+1225
HJ 1566AB

59' : 20438+1330
BPM2238

64' : 20442+1209
BPM2240

65' : 20428+1244
BPM2234

66' : 20444+1205
A 875



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

20471+1257 BPM 2265

 
 
20h 47m 05.26s +12° 56' 58.0" P.A. 51.00 sep 16.1 mag 14.33,16.07
 
 
Coord 2000 20471+1257 Discov num BPM2265 Comp Coord arcsec 2000 20 47 05.26 +12 56 58.0
Date first 1998 Date last 2016 Obs 10
Pa first 51 Pa last 51.3 P.A. Now (θ) 51.3°
Sep first 16.1 Sep last 16.122 Sep. Now (ρ) 16.122"
Mag pri 14.33 Mag sec 16.07 delta mag (ΔM) 1.74 Spectral class
Pri motion ra +033 Sec motion ra +039
Pri motion dec -026 Sec motion dec -016
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.277 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Gaia DR2 1761200856405594368
 
 
WDS 20471+1257 BPM 2265 : NOTES
 
 
discov_num notes refcode
BPM2265 [PM2000] 2392193 + [PM2000] 2392270. 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
20471+1257 BPM2265 1998 2 51 16.1 14.33 16.07 NV 204705.26+125658.0
20471+1257 BPM2265 2001 3 51 16.1 14.33 16.07 NV 204705.26+125658.0
20471+1257 BPM2265 2010 4 51 16.1 14.33 16.07 NV 204705.26+125658.0
20471+1257 BPM2265 2015 5 51 16.1 14.33 16.07 NV 204705.26+125658.0
20471+1257 BPM2265 2016 10 51 16.1 14.33 16.07 NV 204705.26+125658.0

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

 
 
WDS 20471+1257 BPM 2265 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20471+1257 BPM 2265 : MEASURES
 
 
No records found.

 
 
WDS 20471+1257 : VIRTUAL EYEPIECE
 
 

20471+1257 BPM2265A mag 14.33 20471+1257 BPM2265B sep 15.9 P.A. 50.60 mag 16.07 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 20471+1257 : ALADIN DSS IMAGE @ 20h 47m 05.26s +12° 56' 58.0"
 
 
 
 
WDS 20471+1257 BPM 2265 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20471+1257 BPM2265 distance=0' 20457+1302 WFC 258 distance=22' 20488+1248 GWP3000 distance=27' 20460+1235 KPP 477 distance=28' 20492+1243 GWP3001 distance=34' 20450+1244 BU 64AB distance=34' 20450+1244 STTA209AC distance=34' 20450+1244 BU 64AD distance=34' 20450+1244 D 32CD distance=34' 20466+1334 GWP2996 distance=38' 20446+1312 TDS1098 distance=40' 20486+1223 BPM2273 distance=41' 20499+1255 HJ 1577 distance=42' 20496+1322 TDT2565 distance=45' 20496+1233 BU 1495AB distance=45' 20496+1233 BU 1495AC distance=45' 20496+1233 BU 1495AD distance=45' 20440+1256 DAM 218 distance=46' 20467+1343 BPM2262 distance=47' 20502+1246 J 3277 distance=47' 20498+1321 HJ 1578 distance=48' 20439+1255 J 1888 distance=48' 20449+1219 B 2910Aa,Ab distance=50' 20449+1219 STF2723AB distance=50' 20449+1219 BU 1492AC distance=50' 20503+1317 BPM2279 distance=51' 20497+1331 BPM2277 distance=51' 20441+1258 J 1889 distance=51' 20446+1333 YSC 242AB distance=51' 20440+1225 HJ 1566AB distance=54' 20440+1225 HJ 1566AC distance=54' 20438+1330 BPM2238 distance=59' 20442+1209 BPM2240 distance=64' 20428+1244 BPM2234 distance=65' 20444+1205 A 875 distance=66' 20426+1300 GWP2988 distance=66' 20426+1244 STF2718BC distance=68' 20426+1244 STF2718AB distance=68' 20426+1244 STF2718AC distance=68' 20481+1404 UC 4293 distance=69' 20458+1405 BPM2256 distance=71' 20446+1154 BPM2251 distance=73' 20487+1407 LIT 34 distance=74' 20426+1335 HEI 279BC distance=76' 20426+1335 HEI 279AB distance=77' 20523+1304 GRV 390 distance=77' 20516+1340 TDT2583 distance=80' 20418+1231 STF2715 distance=83' 20468+1420 BRT1347 distance=83' 20484+1134 BPM2270 distance=86' 20421+1341 BPM2232 distance=86' 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 20471+1257 BPM2265 51 16.1
Show 20457+1302 WFC 258 284 11.7 22
Show 20488+1248 GWP3000 280 24.1 27
Show 20460+1235 KPP 477 52 4.5 28
Show 20492+1243 GWP3001 126 94.3 34
Show 20450+1244 BU 64 AB 174 0.7 34
Show 20450+1244 STTA209 AC 155 97.2 34
Show 20450+1244 BU 64 AD 117 64.3 34
Show 20450+1244 D 32 CD 15 60.8 34
Show 20466+1334 GWP2996 157 54.2 38
Show 20446+1312 TDS1098 279 0.9 40
Show 20486+1223 BPM2273 132 52.3 41
Show 20499+1255 HJ 1577 245 9.4 42
Show 20496+1322 TDT2565 136 1.4 45
Show 20496+1233 BU 1495 AB 19 52.1 45
Show 20496+1233 BU 1495 AC 86 105.5 45
Show 20496+1233 BU 1495 AD 276 189.6 45
Show 20440+1256 DAM 218 342 5.7 46
Show 20467+1343 BPM2262 331 74.6 47
Show 20502+1246 J 3277 326 4.1 47
Show 20498+1321 HJ 1578 311 11.5 48
Show 20439+1255 J 1888 158 10.0 48
Show 20449+1219 B 2910 Aa,Ab 52 0.1 50
Show 20449+1219 STF2723 AB 140 1.0 50
Show 20449+1219 BU 1492 AC 30 37.0 50
Show 20503+1317 BPM2279 146 89.2 51
Show 20497+1331 BPM2277 190 94.4 51
Show 20441+1258 J 1889 10 4.6 51
Show 20446+1333 YSC 242 AB 157 1.5 51
Show 20440+1225 HJ 1566 AB 16 16.9 54
Show 20440+1225 HJ 1566 AC 331 32.4 54
Show 20438+1330 BPM2238 50 66.9 59
Show 20442+1209 BPM2240 148 55.1 64
Show 20428+1244 BPM2234 331 93.5 65
Show 20444+1205 A 875 208 2.5 66
Show 20426+1300 GWP2988 23 19.1 66
Show 20426+1244 STF2718 BC 346 167.3 68
Show 20426+1244 STF2718 AB 87 8.5 68
Show 20426+1244 STF2718 AC 346 167.2 68
Show 20481+1404 UC 4293 5 14.4 69
Show 20458+1405 BPM2256 194 73.0 71
Show 20446+1154 BPM2251 51 84.7 73
Show 20487+1407 LIT 34 206 9.5 74
Show 20426+1335 HEI 279 BC 211 4.1 76
Show 20426+1335 HEI 279 AB 115 25.1 77
Show 20523+1304 GRV 390 107 42.6 77
Show 20516+1340 TDT2583 98 0.6 80
Show 20418+1231 STF2715 2 12.4 83
Show 20468+1420 BRT1347 30 3.3 83
Show 20484+1134 BPM2270 197 117.4 86
Show 20421+1341 BPM2232 346 68.4 86

 
 
WDS 20471+1257 : COMPONENTS
 
 
  A
B pa=50.6°
sep=15.87"
 
 
20471+1257 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204705.26+125658.0 Mag 14.33 PmRA 33.00
PmDE -26.0
 
 
20471+1257 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204706.10+125708.1 Mag 16.07 PmRA 39.00
PmDE -16.0 Calc delta mag 1.74 Calc coord yes