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Current system
20421+1341
BPM 2232


Nearby doubles
10' : 20426+1335
HEI 279AB

18' : 20413+1327
BPM2227AB

21' : 20408+1332
GWP2982

25' : 20418+1404
J 2575

28' : 20438+1330
BPM2238

38' : 20419+1419
HU 1199

39' : 20446+1333
YSC 242AB

42' : 20397+1406
J 3104

42' : 20426+1300
GWP2988

45' : 20391+1329
UC 4242AB

48' : 20396+1310
J 912

48' : 20446+1312
TDS1098

49' : 20390+1400
BPM2217

49' : 20397+1415
UC 4247

50' : 20445+1415
BPM2244

54' : 20440+1256
DAM 218

55' : 20439+1255
J 1888

58' : 20428+1244
BPM2234

59' : 20426+1244
STF2718AB

60' : 20458+1405
BPM2256

60' : 20427+1440
BPM2233

60' : 20402+1248
BPM2223

60' : 20379+1338
KPP2532

64' : 20438+1440
J 1345

65' : 20405+1240
HEI 278

66' : 20457+1302
WFC 258



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

20421+1341 BPM 2232

 
 
20h 42m 03.09s +13° 41' 15.1" P.A. 346.00 sep 68.4 mag 10.39,15.66
 
 
Coord 2000 20421+1341 Discov num BPM2232 Comp Coord arcsec 2000 20 42 03.09 +13 41 15.1
Date first 1981 Date last 2015 Obs 8
Pa first 346 Pa last 345.8 P.A. Now (θ) 345.8°
Sep first 69.5 Sep last 68.439 Sep. Now (ρ) 68.439"
Mag pri 10.39 Mag sec 15.66 delta mag (ΔM) 5.27 Spectral class
Pri motion ra +018 Sec motion ra -002
Pri motion dec +019 Sec motion dec +007
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.891
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Tycho2 1101-00028-1 Gaia DR2 1762106403014234496
 
 
WDS 20421+1341 BPM 2232 : NOTES
 
 
discov_num notes refcode
BPM2232 [PM2000] 2373427 + [PM2000] 2373357. 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
20421+1341 BPM2232 1997 2 346 68.8 10.45 15.79 NV 204203.09+134115.1
20421+1341 BPM2232 2001 3 346 68.7 10.45 15.79 NV 204203.09+134115.1
20421+1341 BPM2232 2010 4 346 68.4 10.39 15.66 NV 204203.09+134115.1
20421+1341 BPM2232 2015 5 346 68.4 10.39 15.66 NV 204203.09+134115.1

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

 
 
WDS 20421+1341 BPM 2232 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20421+1341 BPM 2232 : MEASURES
 
 
No records found.

 
 
WDS 20421+1341 : VIRTUAL EYEPIECE
 
 

20421+1341 BPM2232A mag 10.39 20421+1341 BPM2232B sep 68.3 P.A. 346.20 mag 15.66 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20421+1341 : ALADIN DSS IMAGE @ 20h 42m 03.09s +13° 41' 15.1"
 
 
 
 
WDS 20421+1341 BPM 2232 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20421+1341 BPM2232 distance=0' 20426+1335 HEI 279AB distance=10' 20426+1335 HEI 279BC distance=11' 20413+1327 BPM2227AB distance=18' 20413+1327 BPM2228BC distance=19' 20408+1332 GWP2982 distance=21' 20418+1404 J 2575 distance=25' 20438+1330 BPM2238 distance=28' 20419+1419 HU 1199 distance=38' 20446+1333 YSC 242AB distance=39' 20397+1406 J 3104 distance=42' 20426+1300 GWP2988 distance=42' 20391+1329 TDT2453Aa,Ab distance=45' 20391+1329 UC 4242AB distance=45' 20396+1310 J 912 distance=48' 20446+1312 TDS1098 distance=48' 20390+1400 BPM2217 distance=49' 20397+1415 UC 4247 distance=49' 20445+1415 BPM2244 distance=50' 20440+1256 DAM 218 distance=54' 20439+1255 J 1888 distance=55' 20428+1244 BPM2234 distance=58' 20426+1244 STF2718AB distance=59' 20426+1244 STF2718AC distance=59' 20426+1244 STF2718BC distance=59' 20458+1405 BPM2256 distance=60' 20427+1440 BPM2233 distance=60' 20402+1248 BPM2223 distance=60' 20379+1338 KPP2532 distance=60' 20438+1440 J 1345 distance=64' 20405+1240 HEI 278 distance=65' 20457+1302 WFC 258 distance=66' 20466+1334 GWP2996 distance=67' 20467+1343 BPM2262 distance=68' 20418+1231 STF2715 distance=71' 20450+1244 BU 64AB distance=72' 20450+1244 STTA209AC distance=72' 20450+1244 BU 64AD distance=72' 20391+1243 BPM2218 distance=73' 20450+1244 D 32CD distance=74' 20441+1258 J 1889 distance=76' 20413+1458 NSN 4 distance=78' 20391+1448 LEP 95 distance=80' 20468+1420 BRT1347 distance=80' 20465+1429 BPM2260 distance=81' 20364+1339 BPM2206 distance=83' 20440+1225 HJ 1566AB distance=83' 20440+1225 HJ 1566AC distance=83' 20455+1448 GWP2994 distance=84' 20372+1425 HEI9015 distance=84' 20370+1420 J 3098 distance=84' 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 20421+1341 BPM2232 346 68.4
Show 20426+1335 HEI 279 AB 115 25.1 10
Show 20426+1335 HEI 279 BC 211 4.1 11
Show 20413+1327 BPM2227 AB 173 68.5 18
Show 20413+1327 BPM2228 BC 141 118.1 19
Show 20408+1332 GWP2982 31 88.8 21
Show 20418+1404 J 2575 305 1.7 25
Show 20438+1330 BPM2238 50 66.9 28
Show 20419+1419 HU 1199 249 0.7 38
Show 20446+1333 YSC 242 AB 157 1.5 39
Show 20397+1406 J 3104 286 6.2 42
Show 20426+1300 GWP2988 23 19.1 42
Show 20391+1329 TDT2453 Aa,Ab 117 0.5 45
Show 20391+1329 UC 4242 AB 105 45.3 45
Show 20396+1310 J 912 125 1.8 48
Show 20446+1312 TDS1098 279 0.9 48
Show 20390+1400 BPM2217 287 65.7 49
Show 20397+1415 UC 4247 147 32.7 49
Show 20445+1415 BPM2244 315 57.7 50
Show 20440+1256 DAM 218 342 5.7 54
Show 20439+1255 J 1888 158 10.0 55
Show 20428+1244 BPM2234 331 93.5 58
Show 20426+1244 STF2718 AB 87 8.5 59
Show 20426+1244 STF2718 AC 346 167.2 59
Show 20426+1244 STF2718 BC 346 167.3 59
Show 20458+1405 BPM2256 194 73.0 60
Show 20427+1440 BPM2233 190 72.4 60
Show 20402+1248 BPM2223 290 95.3 60
Show 20379+1338 KPP2532 26 22.8 60
Show 20438+1440 J 1345 278 3.5 64
Show 20405+1240 HEI 278 135 3.4 65
Show 20457+1302 WFC 258 284 11.7 66
Show 20466+1334 GWP2996 157 54.2 67
Show 20467+1343 BPM2262 331 74.6 68
Show 20418+1231 STF2715 2 12.4 71
Show 20450+1244 BU 64 AB 174 0.7 72
Show 20450+1244 STTA209 AC 155 97.2 72
Show 20450+1244 BU 64 AD 117 64.3 72
Show 20391+1243 BPM2218 252 64.4 73
Show 20450+1244 D 32 CD 15 60.8 74
Show 20441+1258 J 1889 10 4.6 76
Show 20413+1458 NSN 4 71 4.6 78
Show 20391+1448 LEP 95 151 8.5 80
Show 20468+1420 BRT1347 30 3.3 80
Show 20465+1429 BPM2260 89 86.7 81
Show 20364+1339 BPM2206 91 38.2 83
Show 20440+1225 HJ 1566 AB 16 16.9 83
Show 20440+1225 HJ 1566 AC 331 32.4 83
Show 20455+1448 GWP2994 229 32.3 84
Show 20372+1425 HEI9015 14 4.6 84
Show 20370+1420 J 3098 302 4.9 84

 
 
WDS 20421+1341 : COMPONENTS
 
 
  A
B pa=346.2°
sep=68.32"
 
 
20421+1341 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204203.09+134115.1 Mag 10.39 PmRA 18.00
PmDE 19.0 Tycho2 1101-00028-1
Tycho2
Tycho2 1101-00028-1 Pflag RAmdeg 310.51303144 DEmdeg 13.68769574
PmRA 18.2 PmDE 17.4 E RAmdeg 25 E DEmdeg 30
E pmRA 1.6 E pmDE 1.5 EpRAm 1988.76 EpDEm 1986.36
Num 3 Q RAmdeg 0.0 Q DEmdeg 0.4 Q pmRA 0.0
Q pmDE 0.4 BTmag 11.030 E BTmag 0.049 VTmag 10.392
E VTmag 0.040 Prox 999 TYC T HIP
CCDM RAdeg 310.51298806 DEdeg 13.68765444 EpRA 1990 1.67
EpDE 1990 1.48 E RAdeg 25.0 E DEdeg 31.2 Posflg
Corr 0.1
 
 
20421+1341 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204201.97+134221.4 Mag 15.66 PmRA -2.00
PmDE 7.0 Calc delta mag 5.27 Calc coord yes