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Current system
20428+1244
BPM 2234


Nearby doubles
4' : 20426+1244
STF2718AB

17' : 20426+1300
GWP2988

18' : 20439+1255
J 1888

20' : 20418+1231
STF2715

22' : 20440+1256
DAM 218

23' : 20441+1258
J 1889

29' : 20440+1225
HJ 1566AB

33' : 20450+1244
BU 64AB

34' : 20405+1240
HEI 278

35' : 20420+1212
BPM2231

39' : 20446+1312
TDS1098

39' : 20402+1248
BPM2223

41' : 20449+1219
STF2723AB

41' : 20442+1209
BPM2240

46' : 20457+1302
WFC 258

46' : 20444+1205
A 875

47' : 20410+1206
HEI 587

48' : 20438+1330
BPM2238

48' : 20460+1235
KPP 477

49' : 20413+1327
BPM2227AB

51' : 20426+1335
HEI 279AB

52' : 20414+1157
TDT2472

53' : 20429+1152
BPM2235

53' : 20396+1310
J 912

54' : 20391+1243
BPM2218

55' : 20419+1150
HEI 588



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

20428+1244 BPM 2234

 
 
20h 42m 47.37s +12° 44' 17.3" P.A. 331.00 sep 93.5 mag 13.71,16.04
 
 
Coord 2000 20428+1244 Discov num BPM2234 Comp Coord arcsec 2000 20 42 47.37 +12 44 17.3
Date first 1992 Date last 2015 Obs 8
Pa first 331 Pa last 330.7 P.A. Now (θ) 330.7°
Sep first 93.6 Sep last 93.544 Sep. Now (ρ) 93.544"
Mag pri 13.71 Mag sec 16.04 delta mag (ΔM) 2.33 Spectral class
Pri motion ra -006 Sec motion ra +000
Pri motion dec -006 Sec motion dec -007
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.717
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Gaia DR2 1755247275819808256
 
 
WDS 20428+1244 BPM 2234 : NOTES
 
 
discov_num notes refcode
BPM2234 [PM2000] 2376292 + [PM2000] 2376109. 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
20428+1244 BPM2234 1998 2 331 93.4 13.71 16.04 NV 204247.37+124417.3
20428+1244 BPM2234 2001 3 331 93.4 13.71 16.04 NV 204247.37+124417.3
20428+1244 BPM2234 2010 4 331 93.6 13.71 16.04 NV 204247.37+124417.3
20428+1244 BPM2234 2015 5 331 93.5 13.71 16.04 NV 204247.37+124417.3

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

 
 
WDS 20428+1244 BPM 2234 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20428+1244 BPM 2234 : MEASURES
 
 
No records found.

 
 
WDS 20428+1244 : VIRTUAL EYEPIECE
 
 

20428+1244 BPM2234A mag 13.71 20428+1244 BPM2234B sep 93.0 P.A. 331.30 mag 16.04 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 20428+1244 : ALADIN DSS IMAGE @ 20h 42m 47.37s +12° 44' 17.3"
 
 
 
 
WDS 20428+1244 BPM 2234 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20428+1244 BPM2234 distance=0' 20426+1244 STF2718BC distance=4' 20426+1244 STF2718AB distance=4' 20426+1244 STF2718AC distance=4' 20426+1300 GWP2988 distance=17' 20439+1255 J 1888 distance=18' 20418+1231 STF2715 distance=20' 20440+1256 DAM 218 distance=22' 20441+1258 J 1889 distance=23' 20440+1225 HJ 1566AB distance=29' 20440+1225 HJ 1566AC distance=29' 20450+1244 BU 64AB distance=33' 20450+1244 STTA209AC distance=33' 20450+1244 BU 64AD distance=33' 20450+1244 D 32CD distance=34' 20405+1240 HEI 278 distance=34' 20420+1212 BPM2231 distance=35' 20446+1312 TDS1098 distance=39' 20402+1248 BPM2223 distance=39' 20449+1219 B 2910Aa,Ab distance=41' 20449+1219 STF2723AB distance=41' 20449+1219 BU 1492AC distance=41' 20442+1209 BPM2240 distance=41' 20457+1302 WFC 258 distance=46' 20444+1205 A 875 distance=46' 20410+1206 HEI 587 distance=47' 20413+1327 BPM2228BC distance=48' 20438+1330 BPM2238 distance=48' 20460+1235 KPP 477 distance=48' 20413+1327 BPM2227AB distance=49' 20426+1335 HEI 279BC distance=51' 20426+1335 HEI 279AB distance=51' 20414+1157 TDT2472 distance=52' 20429+1152 BPM2235 distance=53' 20396+1310 J 912 distance=53' 20391+1243 BPM2218 distance=54' 20419+1150 HEI 588 distance=55' 20408+1332 GWP2982 distance=56' 20446+1333 YSC 242AB distance=57' 20446+1154 BPM2251 distance=57' 20421+1341 BPM2232 distance=58' 20471+1257 BPM2265 distance=65' 20391+1329 TDT2453Aa,Ab distance=70' 20391+1329 UC 4242AB distance=70' 20404+1143 UC 4253 distance=71' 20466+1334 GWP2996 distance=75' 20467+1343 BPM2262 distance=82' 20372+1250 A 1680 distance=82' 20373+1230 UC 4235 distance=83' 20418+1404 J 2575 distance=83' 20372+1224 BPM2209 distance=85' 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 20428+1244 BPM2234 331 93.5
Show 20426+1244 STF2718 BC 346 167.3 4
Show 20426+1244 STF2718 AB 87 8.5 4
Show 20426+1244 STF2718 AC 346 167.2 4
Show 20426+1300 GWP2988 23 19.1 17
Show 20439+1255 J 1888 158 10.0 18
Show 20418+1231 STF2715 2 12.4 20
Show 20440+1256 DAM 218 342 5.7 22
Show 20441+1258 J 1889 10 4.6 23
Show 20440+1225 HJ 1566 AB 16 16.9 29
Show 20440+1225 HJ 1566 AC 331 32.4 29
Show 20450+1244 BU 64 AB 174 0.7 33
Show 20450+1244 STTA209 AC 155 97.2 33
Show 20450+1244 BU 64 AD 117 64.3 33
Show 20450+1244 D 32 CD 15 60.8 34
Show 20405+1240 HEI 278 135 3.4 34
Show 20420+1212 BPM2231 330 108.9 35
Show 20446+1312 TDS1098 279 0.9 39
Show 20402+1248 BPM2223 290 95.3 39
Show 20449+1219 B 2910 Aa,Ab 52 0.1 41
Show 20449+1219 STF2723 AB 140 1.0 41
Show 20449+1219 BU 1492 AC 30 37.0 41
Show 20442+1209 BPM2240 148 55.1 41
Show 20457+1302 WFC 258 284 11.7 46
Show 20444+1205 A 875 208 2.5 46
Show 20410+1206 HEI 587 36 1.2 47
Show 20413+1327 BPM2228 BC 141 118.1 48
Show 20438+1330 BPM2238 50 66.9 48
Show 20460+1235 KPP 477 52 4.5 48
Show 20413+1327 BPM2227 AB 173 68.5 49
Show 20426+1335 HEI 279 BC 211 4.1 51
Show 20426+1335 HEI 279 AB 115 25.1 51
Show 20414+1157 TDT2472 309 0.5 52
Show 20429+1152 BPM2235 142 114.9 53
Show 20396+1310 J 912 125 1.8 53
Show 20391+1243 BPM2218 252 64.4 54
Show 20419+1150 HEI 588 293 2.3 55
Show 20408+1332 GWP2982 31 88.8 56
Show 20446+1333 YSC 242 AB 157 1.5 57
Show 20446+1154 BPM2251 51 84.7 57
Show 20421+1341 BPM2232 346 68.4 58
Show 20471+1257 BPM2265 51 16.1 65
Show 20391+1329 TDT2453 Aa,Ab 117 0.5 70
Show 20391+1329 UC 4242 AB 105 45.3 70
Show 20404+1143 UC 4253 315 19.7 71
Show 20466+1334 GWP2996 157 54.2 75
Show 20467+1343 BPM2262 331 74.6 82
Show 20372+1250 A 1680 295 3.8 82
Show 20373+1230 UC 4235 132 44.9 83
Show 20418+1404 J 2575 305 1.7 83
Show 20372+1224 BPM2209 213 61.9 85

 
 
WDS 20428+1244 : COMPONENTS
 
 
  A
B pa=331.3°
sep=93.00"
 
 
20428+1244 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204247.37+124417.3 Mag 13.71 PmRA -6.00
PmDE -6.0
 
 
20428+1244 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204244.32+124538.9 Mag 16.04 PmRA 0.00
PmDE -7.0 Calc delta mag 2.33 Calc coord yes