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Doubles in session


Current system
20556+1744
BPM 2297


Nearby doubles
15' : 20555+1730
J 3328

25' : 20570+1758
COU 427

28' : 20571+1801
J 607

31' : 20535+1734
UC 4319

32' : 20534+1742
BPM2286

38' : 20567+1818
BPM2298

39' : 20582+1756
BPM2303

44' : 20530+1806
UC 4316

44' : 20579+1812
UC 4345

45' : 20527+1726
J 605AB

48' : 20589+1741
BRT2487

51' : 20539+1700
BPM2288

53' : 20593+1744
J 1716

54' : 20518+1736
J 2325

60' : 20587+1823
HU 363

62' : 20599+1741
KPP1329

64' : 20548+1642
ROE 126

64' : 20588+1701
BPM2305

65' : 20595+1712
GRV 400

67' : 20587+1833
RAO 444

68' : 20553+1852
KPP3364

69' : 20522+1656
J 3116AB

69' : 20577+1846
GWP3022

74' : 20523+1841
UC 4314

77' : 21008+1756
TDT2692

81' : 20508+1702
CVR 875



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

20556+1744 BPM 2297

 
 
20h 55m 33.21s +17° 43' 53.1" P.A. 91.00 sep 30.5 mag 14.04,15.05
 
 
Coord 2000 20556+1744 Discov num BPM2297 Comp Coord arcsec 2000 20 55 33.21 +17 43 53.1
Date first 1995 Date last 2015 Obs 8
Pa first 91 Pa last 91.3 P.A. Now (θ) 91.3°
Sep first 30.7 Sep last 30.526 Sep. Now (ρ) 30.526"
Mag pri 14.04 Mag sec 15.05 delta mag (ΔM) 1.01 Spectral class
Pri motion ra -023 Sec motion ra -027
Pri motion dec -014 Sec motion dec -021
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.236 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Gaia DR2 1764774166116617856
 
 
WDS 20556+1744 BPM 2297 : NOTES
 
 
discov_num notes refcode
BPM2297 [PM2000] 2421454 + [PM2000] 2421562. 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
20556+1744 BPM2297 2000 2 91 30.6 14.04 15.05 NV 205533.21+174353.1
20556+1744 BPM2297 2001 3 91 30.6 14.04 15.05 NV 205533.21+174353.1
20556+1744 BPM2297 2010 4 91 30.6 14.04 15.05 NV 205533.21+174353.1
20556+1744 BPM2297 2015 5 91 30.5 14.04 15.05 NV 205533.21+174353.1

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

 
 
WDS 20556+1744 BPM 2297 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20556+1744 BPM 2297 : MEASURES
 
 
No records found.

 
 
WDS 20556+1744 : VIRTUAL EYEPIECE
 
 

20556+1744 BPM2297A mag 14.04 20556+1744 BPM2297B sep 29.1 P.A. 91.40 mag 15.05 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20556+1744 : ALADIN DSS IMAGE @ 20h 55m 33.21s +17° 43' 53.1"
 
 
 
 
WDS 20556+1744 BPM 2297 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20556+1744 BPM2297 distance=0' 20555+1730 J 3328 distance=15' 20570+1758 COU 427 distance=25' 20571+1801 J 607 distance=28' 20535+1734 UC 4319 distance=31' 20534+1742 BPM2286 distance=32' 20567+1818 BPM2298 distance=38' 20582+1756 BPM2303 distance=39' 20530+1806 UC 4316 distance=44' 20579+1812 UC 4345 distance=44' 20527+1726 J 605AB distance=45' 20527+1726 J 605AC distance=45' 20589+1741 BRT2487 distance=48' 20539+1700 BPM2288 distance=51' 20593+1744 J 1716 distance=53' 20518+1736 J 2325 distance=54' 20587+1823 HU 363 distance=60' 20599+1741 KPP1329 distance=62' 20548+1642 ROE 126 distance=64' 20588+1701 BPM2305 distance=64' 20595+1712 GRV 400 distance=65' 20587+1833 RAO 444 distance=67' 20522+1656 J 3116BC distance=67' 20553+1852 KPP3364 distance=68' 20522+1656 J 3116AB distance=69' 20577+1846 GWP3022 distance=69' 20523+1841 UC 4314 distance=74' 21008+1756 TDT2692 distance=77' 20508+1702 CVR 875 distance=81' 20500+1732 TDS1104 distance=81' 20598+1649 STTA213 distance=83' 21013+1757 BOY 11 distance=83' 20499+1718 CBL 88 distance=85' 20513+1647 J 3115 distance=85' 20596+1642 TDT2679 distance=85' 20499+1811 UC 4302 distance=86' 20501+1707 HEI 183 distance=87' 20542+1619 BPM2289 distance=88' 20585+1626 STF2738BC distance=89' 20585+1626 STF2738AB distance=89' 20585+1626 STF2738AC distance=89' 20500+1702 UC 4303 distance=91' 20503+1649 TDT2571 distance=94' 21017+1652 BPM2311AB distance=103' 20514+1619 BPM2283 distance=104' 20534+1921 J 573 distance=104' 21017+1652 BPM2312BC distance=105' 20594+1614 BPM2307 distance=107' 20585+1607 J 3118 distance=107' 20509+1907 J 195 distance=107' 20503+1630 LDS1048AB distance=107' 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 20556+1744 BPM2297 91 30.5
Show 20555+1730 J 3328 120 4.2 15
Show 20570+1758 COU 427 221 1.5 25
Show 20571+1801 J 607 305 3.1 28
Show 20535+1734 UC 4319 158 67.6 31
Show 20534+1742 BPM2286 19 97.0 32
Show 20567+1818 BPM2298 348 78.4 38
Show 20582+1756 BPM2303 131 120.5 39
Show 20530+1806 UC 4316 216 48.9 44
Show 20579+1812 UC 4345 303 51.5 44
Show 20527+1726 J 605 AB 241 1.7 45
Show 20527+1726 J 605 AC 161 38.1 45
Show 20589+1741 BRT2487 120 4.4 48
Show 20539+1700 BPM2288 339 115.1 51
Show 20593+1744 J 1716 223 6.3 53
Show 20518+1736 J 2325 260 5.4 54
Show 20587+1823 HU 363 101 0.8 60
Show 20599+1741 KPP1329 129 10.1 62
Show 20548+1642 ROE 126 138 9.7 64
Show 20588+1701 BPM2305 249 73.9 64
Show 20595+1712 GRV 400 197 58.7 65
Show 20587+1833 RAO 444 194 1.4 67
Show 20522+1656 J 3116 BC 143 6.0 67
Show 20553+1852 KPP3364 154 2.7 68
Show 20522+1656 J 3116 AB 39 73.3 69
Show 20577+1846 GWP3022 108 5.7 69
Show 20523+1841 UC 4314 181 49.2 74
Show 21008+1756 TDT2692 155 0.6 77
Show 20508+1702 CVR 875 72 20.3 81
Show 20500+1732 TDS1104 299 1.9 81
Show 20598+1649 STTA213 36 70.9 83
Show 21013+1757 BOY 11 94 0.3 83
Show 20499+1718 CBL 88 104 43.4 85
Show 20513+1647 J 3115 321 7.1 85
Show 20596+1642 TDT2679 61 0.6 85
Show 20499+1811 UC 4302 172 82.1 86
Show 20501+1707 HEI 183 25 0.5 87
Show 20542+1619 BPM2289 75 96.0 88
Show 20585+1626 STF2738 BC 102 222.7 89
Show 20585+1626 STF2738 AB 254 15.0 89
Show 20585+1626 STF2738 AC 104 209.4 89
Show 20500+1702 UC 4303 81 18.2 91
Show 20503+1649 TDT2571 258 0.8 94
Show 21017+1652 BPM2311 AB 110 113.7 103
Show 20514+1619 BPM2283 243 38.1 104
Show 20534+1921 J 573 186 4.2 104
Show 21017+1652 BPM2312 BC 68 82.7 105
Show 20594+1614 BPM2307 316 48.9 107
Show 20585+1607 J 3118 73 5.7 107
Show 20509+1907 J 195 23 3.3 107
Show 20503+1630 LDS1048 AB 151 13.7 107

 
 
WDS 20556+1744 : COMPONENTS
 
 
  A
B pa=91.4°
sep=29.08"
 
 
20556+1744 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 205533.21+174353.1 Mag 14.04 PmRA -23.00
PmDE -14.0
 
 
20556+1744 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 205535.24+174352.4 Mag 15.05 PmRA -27.00
PmDE -21.0 Calc delta mag 1.01 Calc coord yes