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Current system
20260+1102
BPM 2157 BC


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

20260+1102 BPM 2157 BC

 
 
20h 26m 05.68s +11° 02' 33.6" P.A. 109.00 sep 117.7 mag 15.35,15.67
 
 
Coord 2000 20260+1102 Discov num BPM2157 Comp BC Coord arcsec 2000 20 26 05.68 +11 02 33.6
Date first 1998 Date last 2015 Obs 8
Pa first 109 Pa last 108.6 P.A. Now (θ) 108.6°
Sep first 117.6 Sep last 117.668 Sep. Now (ρ) 117.668"
Mag pri 15.35 Mag sec 15.67 delta mag (ΔM) 0.32 Spectral class
Pri motion ra -008 Sec motion ra -006
Pri motion dec -009 Sec motion dec -003
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.525
This double is physical.
 
 
20260+1102 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 26 02 +11 02 18 BPM 2156 AB 2015 8 73 53.8 14.34 15.35 1.01
Show 20 26 06 +11 02 34 BPM 2157 BC 2015 8 109 117.7 15.35 15.67 0.32 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Gaia DR2 1754019430570142720
 
 
WDS 20260+1102 BPM 2157 BC : NOTES
 
 
discov_num notes refcode
BPM2156 AB: [PM2000] 2297545 + [PM2000] 2297853. Gvr2010
BPM2157 BC: [PM2000] 2297853 + [PM2000] 2298536. 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
20260+1102 BPM2157 BC 2000 2 109 117.7 15.35 15.67 NV 202605.68+110233.6
20260+1102 BPM2157 BC 2001 3 109 117.6 15.35 15.67 NV 202605.68+110233.6
20260+1102 BPM2157 BC 2015 4 109 117.6 15.35 15.67 NV 202605.68+110233.6

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

 
 
WDS 20260+1102 BPM 2157 BC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20260+1102 BPM 2157 BC : MEASURES
 
 
No records found.

 
 
WDS 20260+1102 : VIRTUAL EYEPIECE
 
 

20260+1102 BPM2156A mag 14.34 20260+1102 BPM2157B sep 53.6 P.A. 72.80 mag 15.35 20260+1102 BPM2157C sep 162.1 P.A. 97.70 mag 15.67 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 20260+1102 : ALADIN DSS IMAGE @ 20h 26m 05.68s +11° 02' 33.6"
 
 
 
 
WDS 20260+1102 BPM 2157 BC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20260+1102 BPM2157BC distance=1' 20260+1102 BPM2156AB distance=1' 20264+1103 BPM2159AB distance=6' 20264+1103 BPM2160AC distance=6' 20263+1109 UC 4181 distance=8' 20250+1108 BPM2146 distance=18' 20270+1116 HJ 268 distance=19' 20249+1124 J 840 distance=29' 20242+1113 ENG 74BC distance=30' 20242+1113 ENG 74AB distance=30' 20242+1113 ENG 74AC distance=30' 20239+1107 BPM2142 distance=33' 20285+1110 BPM2171 distance=37' 20236+1059 GWP2943 distance=37' 20288+1114 UC 4195 distance=42' 20266+1148 BPM2161 distance=46' 20250+1016 HJ 1509 distance=50' 20269+1013 TDT2282 distance=52' 20270+1008 J 1343 distance=54' 20289+1022 J 3263 distance=57' 20295+1033 J 3089 distance=58' 20293+1029 J 3088 distance=60' 20301+1103 BPM2176 distance=60' 20294+1029 DAM 214 distance=60' 20221+1117 BPM2131 distance=61' 20303+1054 BU 63AB distance=63' 20303+1054 BU 297AC distance=63' 20292+1019 J 3264 distance=63' 20260+1212 J 1704 distance=69' 20308+1059 BPM2179 distance=70' 20297+1018 STF2686 distance=70' 20293+1155 BPM2173AB distance=71' 20293+1155 BPM2173AC distance=71' 20279+0958 AG 256AB distance=71' 20279+0958 AG 256AC distance=71' 20228+1156 BPM2135 distance=73' 20244+1213 WOR 33Aa,Ab distance=75' 20244+1213 A 1209AB distance=75' 20309+1126 LAU 4AB distance=75' 20309+1126 STJ 5Aa,Ab distance=75' 20271+0948 J 559 distance=76' 20312+1116 CHR 99Aa,Ab distance=77' 20312+1116 STF2690A,BC distance=77' 20312+1116 HJ 269AD distance=77' 20312+1116 DA 1BC distance=77' 20232+0957 TDT2229 distance=79' 20210+1033 TOR 24 distance=81' 20298+1154 J 1243 distance=82' 20239+1217 GRV 337 distance=82' 20210+1028 J 838 distance=83' 20224+0959 TDS1065 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 20260+1102 BPM2157 BC 109 117.7 1
Show 20260+1102 BPM2156 AB 73 53.8 1
Show 20264+1103 BPM2159 AB 65 36.6 6
Show 20264+1103 BPM2160 AC 152 67.7 6
Show 20263+1109 UC 4181 356 86.7 8
Show 20250+1108 BPM2146 49 87.4 18
Show 20270+1116 HJ 268 248 20.5 19
Show 20249+1124 J 840 52 3.7 29
Show 20242+1113 ENG 74 BC 112 102.0 30
Show 20242+1113 ENG 74 AB 73 67.8 30
Show 20242+1113 ENG 74 AC 97 160.4 30
Show 20239+1107 BPM2142 53 34.9 33
Show 20285+1110 BPM2171 30 40.3 37
Show 20236+1059 GWP2943 132 13.2 37
Show 20288+1114 UC 4195 275 70.0 42
Show 20266+1148 BPM2161 343 104.2 46
Show 20250+1016 HJ 1509 180 19.2 50
Show 20269+1013 TDT2282 258 3.1 52
Show 20270+1008 J 1343 53 2.3 54
Show 20289+1022 J 3263 54 7.1 57
Show 20295+1033 J 3089 317 4.6 58
Show 20293+1029 J 3088 79 7.3 60
Show 20301+1103 BPM2176 280 53.7 60
Show 20294+1029 DAM 214 298 5.3 60
Show 20221+1117 BPM2131 352 23.0 61
Show 20303+1054 BU 63 AB 347 0.9 63
Show 20303+1054 BU 297 AC 340 16.9 63
Show 20292+1019 J 3264 358 5.9 63
Show 20260+1212 J 1704 202 6.2 69
Show 20308+1059 BPM2179 29 77.2 70
Show 20297+1018 STF2686 278 25.8 70
Show 20293+1155 BPM2173 AB 21 4.6 71
Show 20293+1155 BPM2173 AC 35 34.0 71
Show 20279+0958 AG 256 AB 351 5.2 71
Show 20279+0958 AG 256 AC 225 99.2 71
Show 20228+1156 BPM2135 218 90.0 73
Show 20244+1213 WOR 33 Aa,Ab 131 0.6 75
Show 20244+1213 A 1209 AB 324 1.9 75
Show 20309+1126 LAU 4 AB 271 28.1 75
Show 20309+1126 STJ 5 Aa,Ab 140 0.9 75
Show 20271+0948 J 559 295 2.0 76
Show 20312+1116 CHR 99 Aa,Ab 142 0.4 77
Show 20312+1116 STF2690 A,BC 255 17.8 77
Show 20312+1116 HJ 269 AD 108 23.0 77
Show 20312+1116 DA 1 BC 184 0.3 77
Show 20232+0957 TDT2229 227 1.2 79
Show 20210+1033 TOR 24 229 1.7 81
Show 20298+1154 J 1243 121 3.2 82
Show 20239+1217 GRV 337 170 62.5 82
Show 20210+1028 J 838 119 6.9 83
Show 20224+0959 TDS1065 22 1.3 84

 
 
WDS 20260+1102 : COMPONENTS
 
 
  A B
B pa=72.8°
sep=53.64"
 
C pa=97.7°
sep=162.14"
pa=108.9°
sep=115.71"
 
 
20260+1102 A
 
 
Coord arcsec 2000 202602.20+110217.7 Mag 14.34 PmRA -7.00 PmDE -13.0
 
 
20260+1102 B
 
 
Coord arcsec 2000 202605.68+110233.6 Coord calc 202605.68+110233.6 Mag 15.35 PmRA -8.00
PmDE -9.0 Calc delta mag 1.01
 
 
20260+1102 C
 
 
Coord arcsec 2000 202613.11+110156.1 Mag 15.67 PmRA -6.00 PmDE -3.0
Calc delta mag 1.33 Calc coord yes