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Current system
20553+4218
OSO 137 AB


Nearby doubles
4' : 20550+4219
LDS2467

11' : 20547+4211
CVR 233

13' : 20553+4231
STT 423

25' : 20569+4233
GRV 399

25' : 20534+4208
LDS2464

26' : 20556+4243
BRT2282

40' : 20568+4254
ENG 77AB

43' : 20539+4139
BRT2280

45' : 20534+4139
ES 1574

47' : 20511+4224
BRT2277

48' : 20530+4258
COU2542

48' : 20513+4238
A 614

51' : 20598+4225
CLZ 78

52' : 20564+4308
COU2544

52' : 20525+4138
LDS2463

54' : 20519+4140
COU2428

55' : 20508+4238
LDS2457

57' : 20584+4303
ES 1575

58' : 20590+4259
LDS2475

59' : 20592+4257
ES 1576

59' : 20569+4122
LDS2471

64' : 20514+4134
LDS2460

64' : 20519+4309
GRV 389

64' : 20524+4314
LDS2462

65' : 20573+4319
ES 1450

65' : 20539+4115
KPP1503



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

20553+4218 OSO 137 AB

 
 
20h 55m 16.75s +42° 18' 00.6" P.A. 116.00 sep 10.8 mag 10.27,18.50 Sp G5 dist. 67.29 pc (219.5 l.y.)
 
 
Coord 2000 20553+4218 Discov num OSO 137 Comp AB Coord arcsec 2000 20 55 16.75 +42 18 00.6
Date first 1995 Date last 2000 Obs 2
Pa first 124 Pa last 115.7 P.A. Now (θ) 115.7°
Sep first 11.9 Sep last 10.75 Sep. Now (ρ) 10.75"
Mag pri 10.27 Mag sec 18.50 delta mag (ΔM) 8.23 Spectral class G5 (yellow)
Pri motion ra +057 Sec motion ra
Pri motion dec -390 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
20553+4218 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 55 17 +42 18 01 OSO 137 AB 2000 2 116 10.8 10.27 18.50 8.23 <===
Show 20 55 17 +42 18 01 OSO 137 AC 2000 2 225 11.6 10.27 18.40 8.13
Show 20 55 17 +42 18 01 OSO 137 AD 2000 2 276 14.3 10.27 18.70 8.43
Show 20 55 17 +42 18 01 OSO 137 AE 2000 2 295 14.9 10.27 18.90 8.63
Show 20 55 17 +42 18 01 OSO 137 AF 2000 2 137 16.8 10.27 17.90 7.63
Show 20 55 17 +42 18 01 OSO 137 AG 2000 2 346 25.0 10.27 17.50 7.23
Septuple system
7 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus HIP 103269 Tycho2 3175-00128-1 BD BD+41 3931
Distance 67.29 Distance ly 219.5
 
 
WDS 20553+4218 OSO 137 AB : NOTES
 
 
discov_num notes refcode
OSO 137 G212-007. AB, AC, AD, AF and AG are not common proper motion pairs,
based on comparison with POSS2 red plates Oso2004
 
 
REFERENCES
 
 
refcode metd author reference
Oso2004 C j Zapatero Osorio, M.R. & Martin, E.L. 2004A&A...419..167Z
Oso2004 +Pa A&A 419, 167, 2004
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20553+4218 OSO 137 AB 2000 2 116 10.8 10.27 18.50 N D 205516.75+421800.6

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

 
 
WDS 20553+4218 OSO 137 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20553+4218 OSO 137 AB : MEASURES
 
 
No records found.

 
 
WDS 20553+4218 : VIRTUAL EYEPIECE
 
 

20553+4218 OSO 137A mag 10.27 Sp G5 20553+4218 OSO 137B sep 8.6 P.A. 123.10 mag 18.5 20553+4218 OSO 137C sep 10.2 P.A. 216.30 mag 18.4 20553+4218 OSO 137D sep 10.6 P.A. 278.20 mag 18.7 20553+4218 OSO 137E sep 11.8 P.A. 302.50 mag 18.9 20553+4218 OSO 137F sep 14.9 P.A. 144.90 mag 17.9 20553+4218 OSO 137G sep 24.6 P.A. 349.70 mag 17.5 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 20553+4218 : ALADIN DSS IMAGE @ 20h 55m 16.75s +42° 18' 00.6"
 
 
 
 
WDS 20553+4218 OSO 137 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20553+4218 OSO 137AB distance=0' 20550+4219 LDS2467 distance=4' 20547+4211 CVR 233 distance=11' 20553+4231 STT 423 distance=13' 20569+4233 GRV 399 distance=25' 20534+4208 LDS2464 distance=25' 20556+4243 BRT2282 distance=26' 20568+4254 ENG 77AB distance=40' 20568+4254 ENG 77AC distance=40' 20568+4254 ENG 77BC distance=41' 20568+4254 ENG 77CD distance=42' 20539+4139 BRT2280 distance=43' 20534+4139 ES 1574 distance=45' 20511+4224 BRT2277 distance=47' 20530+4258 COU2542 distance=48' 20513+4238 A 614 distance=48' 20598+4225 CLZ 78 distance=51' 20564+4308 COU2544 distance=52' 20525+4138 LDS2463 distance=52' 20519+4140 COU2428 distance=54' 20508+4238 LDS2457 distance=55' 20584+4303 ES 1575 distance=57' 20590+4259 LDS2475 distance=58' 20592+4257 ES 1576 distance=59' 20569+4122 LDS2471 distance=59' 20514+4134 LDS2460 distance=64' 20519+4309 GRV 389 distance=64' 20524+4314 LDS2462 distance=64' 20573+4319 ES 1450 distance=65' 20539+4115 KPP1503 distance=65' 20553+4322 LDS2468 distance=65' 20555+4112 ES 1686 distance=67' 20585+4121 BLL 53 distance=67' 20542+4111 ES 1684 distance=69' 20510+4125 COU2427 distance=71' 20517+4317 LDS2461 distance=72' 20572+4110 HDS2986 distance=72' 20535+4328 LDS2465 distance=73' 20509+4123 LDS2458 distance=74' 20584+4326 ES 1451 distance=77' 20565+4333 BRT1139 distance=77' 20508+4120 TDT2575 distance=77' 21022+4235 ES 1577 distance=79' 20568+4335 BRT1957 distance=79' 21024+4236 ES 1578 distance=81' 21015+4301 TDT2698 distance=81' 20598+4321 LDS2479 distance=82' 21027+4218 LDS6351 distance=82' 20516+4106 ES 1683 distance=83' 20590+4330 LDS2476 distance=83' 20576+4058 A 400 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 20553+4218 OSO 137 AB 116 10.8
Show 20553+4218 OSO 137 AC 225 11.6
Show 20553+4218 OSO 137 AD 276 14.3
Show 20553+4218 OSO 137 AE 295 14.9
Show 20553+4218 OSO 137 AF 137 16.8
Show 20553+4218 OSO 137 AG 346 25.0
Show 20550+4219 LDS2467 193 20.0 4
Show 20547+4211 CVR 233 235 61.5 11
Show 20553+4231 STT 423 76 2.7 13
Show 20569+4233 GRV 399 6 64.8 25
Show 20534+4208 LDS2464 331 43.8 25
Show 20556+4243 BRT2282 276 2.5 26
Show 20568+4254 ENG 77 AB 328 100.0 40
Show 20568+4254 ENG 77 AC 17 125.8 40
Show 20568+4254 ENG 77 BC 69 102.7 41
Show 20568+4254 ENG 77 CD 356 92.9 42
Show 20539+4139 BRT2280 192 5.0 43
Show 20534+4139 ES 1574 158 1.4 45
Show 20511+4224 BRT2277 230 4.2 47
Show 20530+4258 COU2542 199 0.1 48
Show 20513+4238 A 614 333 1.5 48
Show 20598+4225 CLZ 78 347 38.2 51
Show 20564+4308 COU2544 160 0.4 52
Show 20525+4138 LDS2463 151 27.8 52
Show 20519+4140 COU2428 113 0.7 54
Show 20508+4238 LDS2457 106 5.1 55
Show 20584+4303 ES 1575 356 5.3 57
Show 20590+4259 LDS2475 90 12.2 58
Show 20592+4257 ES 1576 350 3.7 59
Show 20569+4122 LDS2471 43 3.2 59
Show 20514+4134 LDS2460 195 8.4 64
Show 20519+4309 GRV 389 190 61.9 64
Show 20524+4314 LDS2462 265 39.5 64
Show 20573+4319 ES 1450 162 4.7 65
Show 20539+4115 KPP1503 94 11.3 65
Show 20553+4322 LDS2468 107 60.0 65
Show 20555+4112 ES 1686 196 7.7 67
Show 20585+4121 BLL 53 352 169.0 67
Show 20542+4111 ES 1684 277 7.9 69
Show 20510+4125 COU2427 312 0.5 71
Show 20517+4317 LDS2461 217 32.6 72
Show 20572+4110 HDS2986 176 0.1 72
Show 20535+4328 LDS2465 41 12.1 73
Show 20509+4123 LDS2458 123 14.1 74
Show 20584+4326 ES 1451 101 8.6 77
Show 20565+4333 BRT1139 175 3.6 77
Show 20508+4120 TDT2575 4 2.6 77
Show 21022+4235 ES 1577 41 5.8 79
Show 20568+4335 BRT1957 177 1.1 79
Show 21024+4236 ES 1578 233 2.8 81
Show 21015+4301 TDT2698 6 0.6 81

 
 
WDS 20553+4218 : COMPONENTS
 
 
  A B C D E F
B pa=123.1°
sep=8.55"
 
C pa=216.3°
sep=10.21"
pa=254.9°
sep=13.68"
 
D pa=278.2°
sep=10.62"
pa=289.3°
sep=18.72"
pa=335.4°
sep=10.72"
 
E pa=302.5°
sep=11.81"
pa=302.7°
sep=20.36"
pa=344.9°
sep=15.09"
pa=6.4°
sep=4.85"
 
F pa=144.9°
sep=14.89"
pa=169.5°
sep=7.65"
pa=105.2°
sep=15.13"
pa=125.7°
sep=23.48"
pa=135.0°
sep=26.19"
 
G pa=349.7°
sep=24.64"
pa=338.2°
sep=31.13"
pa=2.9°
sep=32.51"
pa=15.0°
sep=23.53"
pa=17.3°
sep=18.74"
pa=340.4°
sep=38.66"
 
 
20553+4218 A
 
 
Coord arcsec 2000 205516.75+421800.6 Mag 10.27 Spectral class G5 (yellow) PmRA 57.00
PmDE -390.0 HIP 103269 Tycho2 3175-00128-1 BD BD+41 3931
Tycho2
Tycho2 3175-00128-1 Pflag RAmdeg 313.81981807 DEmdeg 42.30018130
PmRA 54.5 PmDE -392.7 E RAmdeg 24 E DEmdeg 22
E pmRA 1.5 E pmDE 1.4 EpRAm 1988.46 EpDEm 1988.85
Num 4 Q RAmdeg 1.1 Q DEmdeg 1.1 Q pmRA 1.1
Q pmDE 1.2 BTmag 10.966 E BTmag 0.043 VTmag 10.387
E VTmag 0.036 Prox 999 TYC T HIP 103269
CCDM RAdeg 313.81964556 DEdeg 42.30108278 EpRA 1990 1.55
EpDE 1990 1.74 E RAdeg 24.6 E DEdeg 23.3 Posflg
Corr 0.1
Hipparcos
Catalog H HIP 103269 Proxy RAhms 20 55 16.71
DEdms +42 18 04.1 Vmag 10.28 VarFlag R Vmag G
RAdeg 313.82 DEdeg 42.3011 AstroRef Plx 14.24
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD BD BD+41 3931
CD CP Dm number +41 3931 VIred 0.66
SpType G5 R SpType Coord arcsec 2000 205516.71+421804.1
Hipparcos 2
HIP 103269 Sn 5 So 0 Nc 1
RArad 5.4771858348 DErad 0.7382941049 Plx 14.86 PmRA 57.62
PmDE -390.72 E RArad 0.97 E DErad 1.01 E Plx 1.31
E pmRA 1.24 E pmDE 1.24 Hpmag 10.4113 E Hpmag 0.0035
SHp 0.036 VA 0 BV 0.59 E BV 0.02
VI 0.66
 
 
20553+4218 B
 
 
Coord arcsec 2000 205517.40+421755.9 Mag 18.5 Calc delta mag 8.23 Calc coord yes
 
 
20553+4218 C
 
 
Coord arcsec 2000 205516.21+421752.4 Mag 18.4 Calc delta mag 8.13 Calc coord yes
 
 
20553+4218 D
 
 
Coord arcsec 2000 205515.80+421802.1 Mag 18.7 Calc delta mag 8.43 Calc coord yes
 
 
20553+4218 E
 
 
Coord arcsec 2000 205515.85+421806.9 Mag 18.9 Calc delta mag 8.63 Calc coord yes
 
 
20553+4218 F
 
 
Coord arcsec 2000 205517.52+421748.4 Mag 17.9 Calc delta mag 7.63 Calc coord yes
 
 
20553+4218 G
 
 
Coord arcsec 2000 205516.35+421824.8 Mag 17.5 Calc delta mag 7.23 Calc coord yes