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Current system
20497+1331
BPM 2277


Nearby doubles
9' : 20496+1322
TDT2565

11' : 20498+1321
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17' : 20503+1317
BPM2279

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TDT2583

36' : 20499+1255
HJ 1577

40' : 20487+1407
LIT 34

41' : 20481+1404
UC 4293

45' : 20488+1248
GWP3000

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BPM2262

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BPM2285

46' : 20466+1334
GWP2996

47' : 20523+1304
GRV 390

48' : 20492+1243
GWP3001

49' : 20502+1246
J 3277

51' : 20528+1351
UC 4315AB

51' : 20471+1257
BPM2265

56' : 20495+1426
BRT1955

58' : 20496+1233
BU 1495AB

61' : 20500+1432
CVR 874

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BRT1956

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BRT1347

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GAI9015AB

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WFC 258

67' : 20458+1405
BPM2256

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TDT2542

68' : 20515+1432
GRV 388



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

20497+1331 BPM 2277

 
 
20h 49m 40.87s +13° 30' 36.5" P.A. 190.00 sep 94.4 mag 15.04,15.42
 
 
Coord 2000 20497+1331 Discov num BPM2277 Comp Coord arcsec 2000 20 49 40.87 +13 30 36.5
Date first 1995 Date last 2015 Obs 8
Pa first 190 Pa last 189.6 P.A. Now (θ) 189.6°
Sep first 94.5 Sep last 94.353 Sep. Now (ρ) 94.353"
Mag pri 15.04 Mag sec 15.42 delta mag (ΔM) 0.38 Spectral class
Pri motion ra -009 Sec motion ra -011
Pri motion dec -021 Sec motion dec -017
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.196 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Gaia DR2 1761341009778525568
 
 
WDS 20497+1331 BPM 2277 : NOTES
 
 
discov_num notes refcode
BPM2277 [PM2000] 2401465 + [PM2000] 2401398. 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
20497+1331 BPM2277 2000 2 190 94.3 15.33 15.64 NV 204940.87+133036.5
20497+1331 BPM2277 2001 3 190 94.5 15.33 15.64 NV 204940.87+133036.5
20497+1331 BPM2277 2010 4 190 94.1 15.04 15.42 NV 204940.87+133036.5
20497+1331 BPM2277 2015 5 190 94.4 15.04 15.42 NV 204940.87+133036.5

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

 
 
WDS 20497+1331 BPM 2277 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20497+1331 BPM 2277 : MEASURES
 
 
No records found.

 
 
WDS 20497+1331 : VIRTUAL EYEPIECE
 
 

20497+1331 BPM2277A mag 15.04 20497+1331 BPM2277B sep 94.3 P.A. 189.30 mag 15.42 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 20497+1331 : ALADIN DSS IMAGE @ 20h 49m 40.87s +13° 30' 36.5"
 
 
 
 
WDS 20497+1331 BPM 2277 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20497+1331 BPM2277 distance=1' 20496+1322 TDT2565 distance=9' 20498+1321 HJ 1578 distance=11' 20503+1317 BPM2279 distance=17' 20516+1340 TDT2583 distance=31' 20499+1255 HJ 1577 distance=36' 20487+1407 LIT 34 distance=40' 20481+1404 UC 4293 distance=41' 20488+1248 GWP3000 distance=45' 20467+1343 BPM2262 distance=46' 20524+1353 BPM2285 distance=46' 20466+1334 GWP2996 distance=46' 20523+1304 GRV 390 distance=47' 20492+1243 GWP3001 distance=48' 20502+1246 J 3277 distance=49' 20528+1351 UC 4315AB distance=51' 20471+1257 BPM2265 distance=51' 20495+1426 BRT1955 distance=56' 20496+1233 BU 1495AB distance=58' 20496+1233 BU 1495AC distance=58' 20496+1233 BU 1495AD distance=58' 20500+1432 CVR 874 distance=61' 20520+1422 BRT1956 distance=63' 20468+1420 BRT1347 distance=65' 20529+1415 GAI9015AB distance=65' 20529+1415 GAI9015AC distance=65' 20457+1302 WFC 258 distance=66' 20458+1405 BPM2256 distance=67' 20477+1430 TDT2542 distance=67' 20515+1432 GRV 388 distance=68' 20541+1306 STF2734 distance=69' 20486+1223 BPM2273 distance=70' 20541+1402 J 846 distance=72' 20446+1333 YSC 242AB distance=74' 20465+1429 BPM2260 distance=75' 20446+1312 TDS1098 distance=77' 20483+1444 LSC 93 distance=77' 20460+1235 KPP 477 distance=78' 20485+1450 BRT1349 distance=82' 20548+1403 BPM2291 distance=82' 20485+1448 J 1890 distance=83' 20465+1439 BPM2259 distance=83' 20450+1244 BU 64AB distance=83' 20450+1244 STTA209AC distance=83' 20450+1244 BU 64AD distance=83' 20550+1259 BPM2293 distance=84' 20450+1244 D 32CD distance=84' 20438+1330 BPM2238 distance=87' 20445+1415 BPM2244 distance=88' 20504+1459 BPM2280 distance=89' 20440+1256 DAM 218 distance=90' 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 20497+1331 BPM2277 190 94.4 1
Show 20496+1322 TDT2565 136 1.4 9
Show 20498+1321 HJ 1578 311 11.5 11
Show 20503+1317 BPM2279 146 89.2 17
Show 20516+1340 TDT2583 98 0.6 31
Show 20499+1255 HJ 1577 245 9.4 36
Show 20487+1407 LIT 34 206 9.5 40
Show 20481+1404 UC 4293 5 14.4 41
Show 20488+1248 GWP3000 280 24.1 45
Show 20467+1343 BPM2262 331 74.6 46
Show 20524+1353 BPM2285 88 101.7 46
Show 20466+1334 GWP2996 157 54.2 46
Show 20523+1304 GRV 390 107 42.6 47
Show 20492+1243 GWP3001 126 94.3 48
Show 20502+1246 J 3277 326 4.1 49
Show 20528+1351 UC 4315 AB 157 14.6 51
Show 20471+1257 BPM2265 51 16.1 51
Show 20495+1426 BRT1955 109 5.0 56
Show 20496+1233 BU 1495 AB 19 52.1 58
Show 20496+1233 BU 1495 AC 86 105.5 58
Show 20496+1233 BU 1495 AD 276 189.6 58
Show 20500+1432 CVR 874 82 16.7 61
Show 20520+1422 BRT1956 197 6.4 63
Show 20468+1420 BRT1347 30 3.3 65
Show 20529+1415 GAI9015 AB 277 1.3 65
Show 20529+1415 GAI9015 AC 167 51.8 65
Show 20457+1302 WFC 258 284 11.7 66
Show 20458+1405 BPM2256 194 73.0 67
Show 20477+1430 TDT2542 76 0.5 67
Show 20515+1432 GRV 388 239 51.4 68
Show 20541+1306 STF2734 227 24.4 69
Show 20486+1223 BPM2273 132 52.3 70
Show 20541+1402 J 846 155 3.6 72
Show 20446+1333 YSC 242 AB 157 1.5 74
Show 20465+1429 BPM2260 89 86.7 75
Show 20446+1312 TDS1098 279 0.9 77
Show 20483+1444 LSC 93 142 0.2 77
Show 20460+1235 KPP 477 52 4.5 78
Show 20485+1450 BRT1349 46 2.7 82
Show 20548+1403 BPM2291 100 25.7 82
Show 20485+1448 J 1890 141 6.8 83
Show 20465+1439 BPM2259 296 106.3 83
Show 20450+1244 BU 64 AB 174 0.7 83
Show 20450+1244 STTA209 AC 155 97.2 83
Show 20450+1244 BU 64 AD 117 64.3 83
Show 20550+1259 BPM2293 25 100.2 84
Show 20450+1244 D 32 CD 15 60.8 84
Show 20438+1330 BPM2238 50 66.9 87
Show 20445+1415 BPM2244 315 57.7 88
Show 20504+1459 BPM2280 131 60.8 89
Show 20440+1256 DAM 218 342 5.7 90

 
 
WDS 20497+1331 : COMPONENTS
 
 
  A
B pa=189.3°
sep=94.28"
 
 
20497+1331 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204940.87+133036.5 Mag 15.04 PmRA -9.00
PmDE -21.0
 
 
20497+1331 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204939.82+132903.5 Mag 15.42 PmRA -11.00
PmDE -17.0 Calc delta mag 0.38 Calc coord yes