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Current system
20485+1628
BPM 2271


Nearby doubles
14' : 20481+1616
SKF1770

25' : 20503+1630
LDS1048AB

29' : 20481+1601
BPM2269

30' : 20466+1616
BPM2261

32' : 20505+1616
KPP4216

32' : 20489+1558
BPM2275

32' : 20463+1624
BPM2257

34' : 20503+1649
TDT2571

34' : 20467+1607
STF2727AB

37' : 20468+1602
BPM2264

40' : 20501+1556
BPM2278

41' : 20500+1702
UC 4303

41' : 20506+1601
BPM2281

44' : 20514+1619
BPM2283

44' : 20485+1545
BPM2272

44' : 20513+1647
J 3115

45' : 20501+1707
HEI 183

47' : 20508+1702
CVR 875

47' : 20462+1554
STF2725AB

55' : 20499+1718
CBL 88

56' : 20463+1715
GWP2995

57' : 20446+1635
BPM2248AB

57' : 20509+1544
BPM2282

58' : 20446+1642
BPM2246AB

60' : 20522+1656
J 3116AB

62' : 20446+1605
BPM2245



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

20485+1628 BPM 2271

 
 
20h 48m 28.67s +16° 28' 22.2" P.A. 127.00 sep 97.8 mag 14.96,16.33
 
 
Coord 2000 20485+1628 Discov num BPM2271 Comp Coord arcsec 2000 20 48 28.67 +16 28 22.2
Date first 1991 Date last 2015 Obs 5
Pa first 127 Pa last 126.8 P.A. Now (θ) 126.8°
Sep first 97.5 Sep last 97.797 Sep. Now (ρ) 97.797"
Mag pri 14.96 Mag sec 16.33 delta mag (ΔM) 1.37 Spectral class
Pri motion ra -019 Sec motion ra -001
Pri motion dec -017 Sec motion dec -010
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.758
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Gaia DR2 1763128918764034560
 
 
WDS 20485+1628 BPM 2271 : NOTES
 
 
discov_num notes refcode
BPM2271 [PM2000] 2397156 + [PM2000] 2397510. 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
20485+1628 BPM2271 1998 2 127 97.7 15.44 15.88 NV 204828.67+162822.2
20485+1628 BPM2271 2001 3 127 98.0 15.44 15.88 NV 204828.67+162822.2
20485+1628 BPM2271 2015 4 127 97.8 14.96 16.33 NV 204828.67+162822.2

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

 
 
WDS 20485+1628 BPM 2271 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20485+1628 BPM 2271 : MEASURES
 
 
No records found.

 
 
WDS 20485+1628 : VIRTUAL EYEPIECE
 
 

20485+1628 BPM2271A mag 14.96 20485+1628 BPM2271B sep 95.2 P.A. 128.00 mag 16.33 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20485+1628 : ALADIN DSS IMAGE @ 20h 48m 28.67s +16° 28' 22.2"
 
 
 
 
WDS 20485+1628 BPM 2271 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20485+1628 BPM2271 distance=0' 20481+1616 SKF1770 distance=14' 20503+1630 LDS1048AB distance=25' 20503+1630 LDS1048AC distance=25' 20481+1601 BPM2269 distance=29' 20466+1616 BPM2261 distance=30' 20505+1616 KPP4216 distance=32' 20489+1558 BPM2275 distance=32' 20463+1624 BPM2257 distance=32' 20503+1649 TDT2571 distance=34' 20467+1607 STF2727AB distance=34' 20467+1607 FYM 18AD distance=34' 20468+1602 BPM2264 distance=37' 20501+1556 BPM2278 distance=40' 20500+1702 UC 4303 distance=41' 20506+1601 BPM2281 distance=41' 20514+1619 BPM2283 distance=44' 20485+1545 BPM2272 distance=44' 20513+1647 J 3115 distance=44' 20501+1707 HEI 183 distance=45' 20508+1702 CVR 875 distance=47' 20462+1554 WSI 110Aa,Ab distance=47' 20462+1554 STF2725AB distance=47' 20499+1718 CBL 88 distance=55' 20446+1635 BPM2250BC distance=55' 20463+1715 GWP2995 distance=56' 20446+1635 BPM2248AB distance=57' 20446+1635 BPM2249AC distance=57' 20509+1544 BPM2282 distance=57' 20446+1642 BPM2246AB distance=58' 20446+1642 BPM2247AC distance=58' 20522+1656 J 3116AB distance=60' 20522+1656 J 3116BC distance=61' 20446+1605 BPM2245 distance=62' 20456+1714 COU 425 distance=62' 20466+1532 J 3110 distance=64' 20479+1732 BRT1348 distance=64' 20518+1545 GWP3007 distance=65' 20453+1715 GWP2993 distance=65' 20457+1537 BPM2255 distance=66' 20500+1732 TDS1104 distance=67' 20437+1635 BPM2237 distance=70' 20467+1523 BPM2263 distance=70' 20477+1519 BPM2266 distance=71' 20434+1604 HJ 1564 distance=76' 20462+1520 YR 27AB distance=76' 20435+1657 STF2720 distance=78' 20509+1517 J 3113 distance=78' 20448+1730 BPM2252 distance=82' 20542+1619 BPM2289 distance=83' 20518+1736 J 2325 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 20485+1628 BPM2271 127 97.8
Show 20481+1616 SKF1770 223 3.4 14
Show 20503+1630 LDS1048 AB 151 13.7 25
Show 20503+1630 LDS1048 AC 213 1.6 25
Show 20481+1601 BPM2269 222 81.9 29
Show 20466+1616 BPM2261 202 69.5 30
Show 20505+1616 KPP4216 237 1.6 32
Show 20489+1558 BPM2275 143 74.7 32
Show 20463+1624 BPM2257 337 107.8 32
Show 20503+1649 TDT2571 258 0.8 34
Show 20467+1607 STF2727 AB 266 8.8 34
Show 20467+1607 FYM 18 AD 323 109.4 34
Show 20468+1602 BPM2264 222 107.2 37
Show 20501+1556 BPM2278 296 68.3 40
Show 20500+1702 UC 4303 81 18.2 41
Show 20506+1601 BPM2281 268 35.3 41
Show 20514+1619 BPM2283 243 38.1 44
Show 20485+1545 BPM2272 333 103.7 44
Show 20513+1647 J 3115 321 7.1 44
Show 20501+1707 HEI 183 25 0.5 45
Show 20508+1702 CVR 875 72 20.3 47
Show 20462+1554 WSI 110 Aa,Ab 343 0.0 47
Show 20462+1554 STF2725 AB 12 6.2 47
Show 20499+1718 CBL 88 104 43.4 55
Show 20446+1635 BPM2250 BC 332 117.2 55
Show 20463+1715 GWP2995 257 8.3 56
Show 20446+1635 BPM2248 AB 95 107.8 57
Show 20446+1635 BPM2249 AC 29 107.0 57
Show 20509+1544 BPM2282 160 54.6 57
Show 20446+1642 BPM2246 AB 16 90.0 58
Show 20446+1642 BPM2247 AC 173 116.0 58
Show 20522+1656 J 3116 AB 39 73.3 60
Show 20522+1656 J 3116 BC 143 6.0 61
Show 20446+1605 BPM2245 198 112.1 62
Show 20456+1714 COU 425 327 0.7 62
Show 20466+1532 J 3110 222 6.9 64
Show 20479+1732 BRT1348 123 5.7 64
Show 20518+1545 GWP3007 163 8.1 65
Show 20453+1715 GWP2993 104 11.1 65
Show 20457+1537 BPM2255 85 72.3 66
Show 20500+1732 TDS1104 299 1.9 67
Show 20437+1635 BPM2237 49 108.4 70
Show 20467+1523 BPM2263 265 53.6 70
Show 20477+1519 BPM2266 294 106.0 71
Show 20434+1604 HJ 1564 41 11.4 76
Show 20462+1520 YR 27 AB 240 0.9 76
Show 20435+1657 STF2720 177 4.0 78
Show 20509+1517 J 3113 111 4.8 78
Show 20448+1730 BPM2252 246 39.8 82
Show 20542+1619 BPM2289 75 96.0 83
Show 20518+1736 J 2325 260 5.4 84

 
 
WDS 20485+1628 : COMPONENTS
 
 
  A
B pa=128.0°
sep=95.25"
 
 
20485+1628 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204828.67+162822.2 Mag 14.96 PmRA -19.00
PmDE -17.0
 
 
20485+1628 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204833.89+162723.6 Mag 16.33 PmRA -1.00
PmDE -10.0 Calc delta mag 1.37 Calc coord yes