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Doubles in session


Current system
20125+5128
AC 17 AB
HD 192439


Nearby doubles
7' : 20118+5130
TDT2074

23' : 20130+5150
KPP3356

32' : 20095+5140
STF2645

32' : 20096+5112
NSN 729

35' : 20162+5126
SKF 345

38' : 20159+5109
HU 585

51' : 20176+5113
TDS1056

54' : 20162+5209
TDT2131

55' : 20173+5201
ES 660AB

56' : 20167+5208
TDT2136

59' : 20183+5152
HDS2900

60' : 20100+5222
ES 986

61' : 20096+5034
TDT2035

62' : 20062+5112
TDT1980

67' : 20196+5132
TDT2169

70' : 20158+5230
STT 404AB

72' : 20200+5116
ES 800AB

72' : 20192+5053
HDS2903

73' : 20116+5240
TDT2068

74' : 20188+5212
ES 2692

76' : 20046+5115
TDS1040

76' : 20205+5140
TDT2189

78' : 20207+5139
TDT2192

80' : 20157+5014
CHR 93

82' : 20203+5205
TDT2185

83' : 20169+5017
ENG 73AB



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20125+5128 AC 17 AB (HD 192439)

 
 
20h 12m 31.73s +51° 27' 49.0" P.A. 82.00 sep 4.4 mag 6.17,10.55 Sp K2.5III dist. 106.16 pc (346.29 l.y.)
 
 
Coord 2000 20125+5128 Discov num AC   17 Comp AB Coord arcsec 2000 20 12 31.73 +51 27 49.0
Date first 1859 Date last 2016 Obs 16
Pa first 80 Pa last 82.4 P.A. Now (θ) 82.4°
Sep first 3.9 Sep last 4.364 Sep. Now (ρ) 4.364"
Mag pri 6.17 Mag sec 10.55 delta mag (ΔM) 4.38 Spectral class K2.5III (yellow-orange)
Pri motion ra -013 Sec motion ra -015
Pri motion dec -016 Sec motion dec -015
Notes
rPM=0.105 (< 0.3, Physical double)
This double is physical.
 
 
20125+5128 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 192439 32354 20 12 32 +51 27 49 AC 17 AB 2016 16 82 4.4 6.17 10.55 4.38 <===
Show 32354 20 12 32 +51 27 49 AC 17 AC 2015 5 9 84.8 6.17 12.63 6.46
Show 32354 20 12 32 +51 27 49 AC 17 AD 2015 5 80 75.1 6.17 12.80 6.63
Show 32354 20 12 32 +51 27 49 AC 17 AE 2015 8 148 130.4 6.17 10.78 4.61
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 192439 Constellation Cygnus SAO 32354 HIP 99579
Tycho2 3571-02335-1 Gaia DR2 2088224614133708544 HD 192439 HR 7726
GC 28077 ADS 13535 BD BD+51 2796 Distance 106.16
Distance ly 346.29
 
 
WDS 20125+5128 AC 17 AB (HD 192439) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
AC_1857 Ma - Clark, Alvan 1857MNRAS..17..257C
AC_1857 MNRAS 17, 257, 1857
AC_1859 Ma - Clark, Alvan 1859MNRAS..20...55C
AC_1859 MNRAS 20, 55, 1859
AC_1864 Ma j Clark, Alvan ...................
AC_1864 Harvard Observatory Log, scan by Jay Holberg. ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20125+5128 AC 17 AB 1991 11 82 4.3 6.17 10.55 K2.5III D 201231.73+512749.0
20125+5128 AC 17 AB 2008 12 83 4.3 6.17 10.55 K2.5III D 201231.73+512749.0
20125+5128 AC 17 AB 2015 13 82 4.4 6.17 10.55 K2.5III 201231.73+512749.0
20125+5128 AC 17 AB 2016 16 82 4.4 6.17 10.55 K2.5III 201231.73+512749.0

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

 
 
WDS 20125+5128 AC 17 AB (HD 192439) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20125+5128 AC 17 AB (HD 192439) : MEASURES
 
 
No records found.

 
 
WDS 20125+5128 (HD 192439) : VIRTUAL EYEPIECE
 
 

20125+5128 AC 17A mag 6.17 Sp K2.5III 20125+5128 AC 17B sep 2.8 P.A. 77.90 mag 10.55 20125+5128 AC 17C sep 84.2 P.A. 5.30 mag 12.63 20125+5128 AC 17D sep 47.9 P.A. 74.00 mag 12.8 20125+5128 AC 17E sep 118.6 P.A. 158.70 mag 10.78 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 20125+5128 (HD 192439) : ALADIN DSS IMAGE @ 20h 12m 31.73s +51° 27' 49.0"
 
 
 
 
WDS 20125+5128 AC 17 AB (HD 192439) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20125+5128 AC 17AB distance=0' 20118+5130 TDT2074 distance=7' 20130+5150 KPP3356 distance=23' 20095+5140 STF2645 distance=32' 20096+5112 NSN 729 distance=32' 20162+5126 SKF 345 distance=35' 20159+5109 HU 585 distance=38' 20176+5113 TDS1056 distance=51' 20162+5209 TDT2131 distance=54' 20173+5201 ES 660BC distance=55' 20173+5201 ES 660AB distance=55' 20167+5208 TDT2136 distance=56' 20183+5152 HDS2900 distance=59' 20100+5222 ES 986 distance=60' 20096+5034 TDT2035 distance=61' 20062+5112 TDT1980 distance=62' 20196+5132 TDT2169 distance=67' 20158+5230 STT 404AB distance=70' 20158+5230 WAL 130AC distance=70' 20158+5230 WAL 130AD distance=70' 20200+5116 ES 800AB distance=72' 20200+5116 ES 800AC distance=72' 20200+5116 ABH 138AF distance=72' 20200+5116 ABH 138AG distance=72' 20200+5116 ES 800AE distance=72' 20192+5053 HDS2903 distance=72' 20200+5116 ES 800CD distance=72' 20200+5116 ES 800CE distance=72' 20116+5240 TDT2068 distance=73' 20188+5212 ES 2692 distance=74' 20046+5115 TDS1040 distance=76' 20205+5140 TDT2189 distance=76' 20207+5139 TDT2192 distance=78' 20157+5014 CHR 93 distance=80' 20169+5017 BUP 243DF distance=81' 20169+5017 RAO 70FL distance=82' 20203+5205 TDT2185 distance=82' 20169+5017 ENG 73AB distance=83' 20169+5017 ENG 73AC distance=83' 20169+5017 ENG 73AD distance=83' 20169+5017 ENG 73AE distance=83' 20169+5017 MET 89AH distance=83' 20169+5017 MET 89AI distance=83' 20169+5017 MET 89AJ distance=83' 20169+5017 MET 89AK distance=83' 20169+5017 GIC 155AF distance=83' 20169+5017 BUP 243BG distance=83' 20062+5227 TDT1979 distance=84' 20153+5009 DAM 672 distance=84' 20038+5150 TDT1944 distance=85' 20055+5030 ES 798BC distance=88' 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 20125+5128 AC 17 AB 82 4.4
Show 20125+5128 AC 17 AC 9 84.8
Show 20125+5128 AC 17 AD 80 75.1
Show 20125+5128 AC 17 AE 148 130.4
Show 20118+5130 TDT2074 158 0.8 7
Show 20130+5150 KPP3356 308 3.0 23
Show 20095+5140 STF2645 140 1.8 32
Show 20096+5112 NSN 729 16 42.2 32
Show 20162+5126 SKF 345 25 26.2 35
Show 20159+5109 HU 585 48 4.2 38
Show 20176+5113 TDS1056 256 1.4 51
Show 20162+5209 TDT2131 357 1.9 54
Show 20173+5201 ES 660 BC 289 9.3 55
Show 20173+5201 ES 660 AB 303 29.9 55
Show 20167+5208 TDT2136 286 2.1 56
Show 20183+5152 HDS2900 106 0.1 59
Show 20100+5222 ES 986 287 2.7 60
Show 20096+5034 TDT2035 92 0.8 61
Show 20062+5112 TDT1980 42 0.8 62
Show 20196+5132 TDT2169 53 0.9 67
Show 20158+5230 STT 404 AB 115 28.5 70
Show 20158+5230 WAL 130 AC 2 78.9 70
Show 20158+5230 WAL 130 AD 227 25.9 70
Show 20200+5116 ES 800 AB 321 30.2 72
Show 20200+5116 ES 800 AC 101 42.6 72
Show 20200+5116 ABH 138 AF 110 86.0 72
Show 20200+5116 ABH 138 AG 338 76.5 72
Show 20200+5116 ES 800 AE 95 115.6 72
Show 20192+5053 HDS2903 320 0.1 72
Show 20200+5116 ES 800 CD 133 2.5 72
Show 20200+5116 ES 800 CE 92 73.3 72
Show 20116+5240 TDT2068 207 0.6 73
Show 20188+5212 ES 2692 85 24.5 74
Show 20046+5115 TDS1040 272 1.4 76
Show 20205+5140 TDT2189 300 0.9 76
Show 20207+5139 TDT2192 254 0.6 78
Show 20157+5014 CHR 93 173 0.1 80
Show 20169+5017 BUP 243 DF 216 105.9 81
Show 20169+5017 RAO 70 FL 266 15.1 82
Show 20203+5205 TDT2185 289 0.9 82
Show 20169+5017 ENG 73 AB 74 81.4 83
Show 20169+5017 ENG 73 AC 158 92.7 83
Show 20169+5017 ENG 73 AD 340 122.5 83
Show 20169+5017 ENG 73 AE 118 162.5 83
Show 20169+5017 MET 89 AH 67 4.2 83
Show 20169+5017 MET 89 AI 44 8.7 83
Show 20169+5017 MET 89 AJ 326 11.3 83
Show 20169+5017 MET 89 AK 232 11.7 83
Show 20169+5017 GIC 155 AF 287 105.9 83
Show 20169+5017 BUP 243 BG 193 10.5 83
Show 20062+5227 TDT1979 256 1.6 84

 
 
WDS 20125+5128 : COMPONENTS
 
 
  A B C D
B pa=77.9°
sep=2.76"
 
C pa=5.3°
sep=84.19"
pa=3.5°
sep=83.41"
 
D pa=74.0°
sep=47.89"
pa=73.8°
sep=45.14"
pa=151.6°
sep=80.34"
 
E pa=158.7°
sep=118.59"
pa=160.0°
sep=118.18"
pa=169.7°
sep=197.47"
pa=181.3°
sep=123.65"
 
 
20125+5128 A
 
 
Name HD 192439 Coord arcsec 2000 201231.73+512749.0 Mag 6.17 Spectral class K2.5III (yellow-orange)
PmRA -13.00 PmDE -16.0 SAO 32354 HIP 99579
Tycho2 3571-02335-1 HD 192439 HR 7726 GC 28077
ADS 13535 BD BD+51 2796
Tycho2
Tycho2 3571-02335-1 Pflag RAmdeg 303.13216364 DEmdeg 51.46356350
PmRA -13.0 PmDE -15.6 E RAmdeg 4 E DEmdeg 4
E pmRA 0.9 E pmDE 1.0 EpRAm 1991.35 EpDEm 1991.49
Num 14 Q RAmdeg 1.0 Q DEmdeg 0.8 Q pmRA 1.0
Q pmDE 0.8 BTmag 7.528 E BTmag 0.015 VTmag 6.172
E VTmag 0.010 Prox 43 TYC T HIP 99579
CCDM A RAdeg 303.13221222 DEdeg 51.46359917 EpRA 1990 1.67
EpDE 1990 1.75 E RAdeg 3.7 E DEdeg 3.7 Posflg
Corr 0.0
SAO
SAO 32354 DelFlag RA1950 PmRA1950 -0.0016
DE1950 PmDE1950 -0.012 Vmag 6.4 SpType K2
Double code Source 70 CatNum 28077 DM BD+51 2796
DMcomp BDsup HD 192439 M HD 0
GC 28077 RA1950rad 5.28458178 DE1950rad 0.89556912 PmRA2000 -0.0011
PmDE2000 -0.014
Hipparcos
Catalog H HIP 99579 Proxy H RAhms 20 12 31.73
DEdms +51 27 49.0 Vmag 6.01 VarFlag R Vmag G
RAdeg 303.132 DEdeg 51.4636 AstroRef A Plx 7.91
CCDM 20126+5128 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual D M HIP AB
Theta 82 Rho 4.313 HD 192439 BD BD+51 2796
CD CP Dm number +51 2796 VIred 1.1
SpType K1III: R SpType Coord arcsec 2000 201231.73+512749.0
Hipparcos 2
HIP 99579 Sn 15 So 3 Nc 2
RArad 5.290655182 DErad 0.8982093064 Plx 9.42 PmRA -15.04
PmDE -16.11 E RArad 0.37 E DErad 0.31 E Plx 0.39
E pmRA 0.4 E pmDE 0.37 Hpmag 6.198 E Hpmag 0.0006
SHp 0.007 VA 0 BV 1.139 E BV 0.015
VI 1.1
 
 
20125+5128 B
 
 
Coord arcsec 2000 201232.02+512749.6 Mag 10.55 PmRA -15.00 PmDE -15.0
Calc delta mag 4.38 Calc coord yes
 
 
20125+5128 C
 
 
Coord arcsec 2000 201232.57+512912.8 Mag 12.63 PmRA 1.00 PmDE -4.0
Calc delta mag 6.46 Calc coord yes
 
 
20125+5128 D
 
 
Coord arcsec 2000 201236.66+512802.2 Mag 12.8 PmRA -4.00 PmDE -2.0
Calc delta mag 6.63 Calc coord yes
 
 
20125+5128 E
 
 
Coord arcsec 2000 201236.35+512558.5 Mag 10.78 PmRA -2.00 PmDE -6.0
Calc delta mag 4.61 Calc coord yes