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Doubles in session


Current system
20157+5316
MMA 20


Nearby doubles
20' : 20136+5307
STF2658AB

24' : 20157+5252
TDT2126

28' : 20126+5316
TDT2088

36' : 20146+5349
ES 987

46' : 20158+5230
STT 404AB

48' : 20205+5336
BU 663AB

49' : 20124+5354
HDS2880

52' : 20116+5240
TDT2068

54' : 20152+5409
HO 455AB

59' : 20129+5408
TDT2092

64' : 20087+5320
A 1417

64' : 20223+5338
BU 666

64' : 20134+5416
STI2514

65' : 20228+5325
STF2681AB

68' : 20162+5209
TDT2131

69' : 20167+5208
TDT2136

70' : 20188+5212
ES 2692

72' : 20223+5237
ES 989

72' : 20153+5428
TDT2123

73' : 20153+5429
TDT2122

74' : 20140+5428
TDT2108

75' : 20100+5222
ES 986

77' : 20173+5201
ES 660AB

78' : 20112+5422
STI2509

79' : 20076+5247
TDT1999

82' : 20203+5205
TDT2185



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

20157+5316 MMA 20

 
 
20h 15m 41.62s +53° 15' 48.1" P.A. 245.00 sep 11.3 mag 16.00,16.00
 
 
Coord 2000 20157+5316 Discov num MMA  20 Comp Coord arcsec 2000 20 15 41.62 +53 15 48.1
Date first 1952 Date last 2015 Obs 7
Pa first 246 Pa last 244.6 P.A. Now (θ) 244.6°
Sep first 10.9 Sep last 11.279 Sep. Now (ρ) 11.279"
Mag pri 16.00 Mag sec 16.00 delta mag (ΔM) 0 Spectral class
Pri motion ra -003 Sec motion ra -008
Pri motion dec -003 Sec motion dec -008
Notes
rPM=0.625
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2184692912492524288
 
 
WDS 20157+5316 MMA 20 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
MMa2011 C w Martignoni, M. 2011JDSO....7...22M
MMa2011 JDSO 7, 22, 2011
MMa2012 C - Martignoni, M. 2012JDSO....8..198M
MMa2012 JDSO 8, 198, 2012
MMa2013 C - Martignoni, M. 2013JDSO....9..250M
MMa2013 JDSO 9, 250, 2013
MMa2013b C - Martignoni, M. 2013JDSO....9..253M
MMa2013b JDSO 9, 253, 2013
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20157+5316 MMA 20 2003 1 245 11.1 16.00 16.00 201541.62+531548.1
20157+5316 MMA 20 2010 5 244 11.2 16.00 16.00 201541.62+531548.1
20157+5316 MMA 20 2015 7 245 11.3 16.00 16.00 201541.62+531548.1

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

 
 
WDS 20157+5316 MMA 20 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20157+5316 MMA 20 : MEASURES
 
 
No records found.

 
 
WDS 20157+5316 : VIRTUAL EYEPIECE
 
 

20157+5316 MMA 20A mag 16 20157+5316 MMA 20B sep 7.8 P.A. 231.60 mag 16 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20157+5316 : ALADIN DSS IMAGE @ 20h 15m 41.62s +53° 15' 48.1"
 
 
 
 
WDS 20157+5316 MMA 20 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20157+5316 MMA 20 distance=0' 20136+5307 STF2658BC distance=20' 20136+5307 STF2658BF distance=20' 20136+5307 STF2658AB distance=20' 20136+5307 STF2658AD distance=20' 20136+5307 STF2658AC distance=20' 20157+5252 TDT2126 distance=24' 20126+5316 TDT2088 distance=28' 20146+5349 ES 987 distance=36' 20158+5230 STT 404AB distance=46' 20158+5230 WAL 130AC distance=46' 20158+5230 WAL 130AD distance=46' 20205+5336 BU 663AB distance=48' 20205+5336 BU 663AC distance=48' 20205+5336 BU 663AD distance=48' 20124+5354 HDS2880 distance=49' 20116+5240 TDT2068 distance=52' 20152+5409 HO 455AB distance=54' 20152+5409 HO 455AD distance=54' 20152+5409 HO 455AE distance=54' 20152+5409 HO 455BC distance=54' 20152+5409 HO 455BE distance=54' 20129+5408 TDT2092 distance=59' 20087+5320 A 1417 distance=64' 20223+5338 BU 666 distance=64' 20134+5416 STI2514 distance=64' 20228+5325 STF2681CD distance=65' 20228+5325 STF2681AB distance=65' 20228+5325 STF2681AC distance=65' 20228+5325 STF2681AD distance=65' 20162+5209 TDT2131 distance=68' 20167+5208 TDT2136 distance=69' 20188+5212 ES 2692 distance=70' 20223+5237 ES 989 distance=72' 20153+5428 TDT2123 distance=72' 20153+5429 TDT2122 distance=73' 20140+5428 TDT2108 distance=74' 20100+5222 ES 986 distance=75' 20173+5201 ES 660BC distance=77' 20173+5201 ES 660AB distance=77' 20112+5422 STI2509 distance=78' 20076+5247 TDT1999 distance=79' 20203+5205 TDT2185 distance=82' 20217+5214 ES 988 distance=82' 20062+5310 ENG 70 distance=86' 20239+5232 A 1428 distance=86' 20241+5358 MLR 608 distance=87' 20183+5152 HDS2900 distance=88' 20130+5150 KPP3356 distance=90' 20142+5445 A 1422 distance=90' 20222+5437 STI2521 distance=95' 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 20157+5316 MMA 20 245 11.3
Show 20136+5307 STF2658 BC 208 65.5 20
Show 20136+5307 STF2658 BF 157 17.7 20
Show 20136+5307 STF2658 AB 106 5.2 20
Show 20136+5307 STF2658 AD 284 30.9 20
Show 20136+5307 STF2658 AC 206 65.1 20
Show 20157+5252 TDT2126 48 0.6 24
Show 20126+5316 TDT2088 57 0.4 28
Show 20146+5349 ES 987 293 7.9 36
Show 20158+5230 STT 404 AB 115 28.5 46
Show 20158+5230 WAL 130 AC 2 78.9 46
Show 20158+5230 WAL 130 AD 227 25.9 46
Show 20205+5336 BU 663 AB 305 6.9 48
Show 20205+5336 BU 663 AC 69 6.5 48
Show 20205+5336 BU 663 AD 232 12.2 48
Show 20124+5354 HDS2880 274 0.1 49
Show 20116+5240 TDT2068 207 0.6 52
Show 20152+5409 HO 455 AB 83 35.1 54
Show 20152+5409 HO 455 AD 263 31.4 54
Show 20152+5409 HO 455 AE 71 39.6 54
Show 20152+5409 HO 455 BC 176 4.0 54
Show 20152+5409 HO 455 BE 30 5.6 54
Show 20129+5408 TDT2092 230 0.6 59
Show 20087+5320 A 1417 173 0.6 64
Show 20223+5338 BU 666 115 2.6 64
Show 20134+5416 STI2514 203 7.9 64
Show 20228+5325 STF2681 CD 101 23.3 65
Show 20228+5325 STF2681 AB 39 6.8 65
Show 20228+5325 STF2681 AC 199 38.2 65
Show 20228+5325 STF2681 AD 166 42.0 65
Show 20162+5209 TDT2131 357 1.9 68
Show 20167+5208 TDT2136 286 2.1 69
Show 20188+5212 ES 2692 85 24.5 70
Show 20223+5237 ES 989 271 3.9 72
Show 20153+5428 TDT2123 328 2.0 72
Show 20153+5429 TDT2122 342 0.5 73
Show 20140+5428 TDT2108 311 0.8 74
Show 20100+5222 ES 986 287 2.7 75
Show 20173+5201 ES 660 BC 289 9.3 77
Show 20173+5201 ES 660 AB 303 29.9 77
Show 20112+5422 STI2509 257 7.8 78
Show 20076+5247 TDT1999 120 4.6 79
Show 20203+5205 TDT2185 289 0.9 82
Show 20217+5214 ES 988 10 3.7 82
Show 20062+5310 ENG 70 136 170.0 86
Show 20239+5232 A 1428 205 0.3 86
Show 20241+5358 MLR 608 278 1.9 87
Show 20183+5152 HDS2900 106 0.1 88
Show 20130+5150 KPP3356 308 3.0 90
Show 20142+5445 A 1422 351 2.8 90
Show 20222+5437 STI2521 123 7.1 95

 
 
WDS 20157+5316 : COMPONENTS
 
 
  A
B pa=231.6°
sep=7.78"
 
 
20157+5316 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 201541.62+531548.1 Mag 16 PmRA -3.00
PmDE -3.0
 
 
20157+5316 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 201540.94+531543.3 Mag 16 PmRA -8.00
PmDE -8.0 Calc coord yes