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Current system
20158+5230
WAL 130 AC


Nearby doubles
22' : 20162+5209
TDT2131

22' : 20157+5252
TDT2126

24' : 20167+5208
TDT2136

33' : 20173+5201
ES 660AB

33' : 20188+5212
ES 2692

40' : 20116+5240
TDT2068

43' : 20136+5307
STF2658AB

45' : 20183+5152
HDS2900

46' : 20157+5316
MMA 20

48' : 20203+5205
TDT2185

48' : 20130+5150
KPP3356

54' : 20100+5222
ES 986

55' : 20126+5316
TDT2088

56' : 20217+5214
ES 988

60' : 20223+5237
ES 989

65' : 20162+5126
SKF 345

67' : 20205+5140
TDT2189

68' : 20196+5132
TDT2169

69' : 20207+5139
TDT2192

70' : 20125+5128
AC 17AB

71' : 20118+5130
TDT2074

74' : 20239+5232
A 1428

77' : 20095+5140
STF2645

78' : 20076+5247
TDT1999

79' : 20205+5336
BU 663AB

79' : 20176+5113
TDS1056



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.

20158+5230 WAL 130 AC

 
 
20h 15m 49.33s +52° 30' 08.2" P.A. 2.00 sep 78.9 mag 7.59,11.08 Sp K5III dist. 228.83 pc (746.44 l.y.)
 
 
Coord 2000 20158+5230 Discov num WAL 130 Comp AC Coord arcsec 2000 20 15 49.33 +52 30 08.2
Date first 1897 Date last 2015 Obs 9
Pa first 4 Pa last 2.2 P.A. Now (θ) 2.2°
Sep first 78.0 Sep last 78.876 Sep. Now (ρ) 78.876"
Mag pri 7.59 Mag sec 11.08 delta mag (ΔM) 3.49 Spectral class K5III (yellow-orange)
Pri motion ra +005 Sec motion ra -001
Pri motion dec -005 Sec motion dec +003
Notes N (See Notes)
rPM=1.414
This double is not physical.
 
 
20158+5230 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 193054 32404 20 15 49 +52 30 08 STT 404 AB 2015 20 115 28.5 7.59 9.80 2.21
Show 32404 20 15 49 +52 30 08 WAL 130 AC 2015 9 2 78.9 7.59 11.08 3.49 <===
Show 32404 20 15 49 +52 30 08 WAL 130 AD 2015 6 227 25.9 7.59 12.31 4.72
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 32404 HIP 99875 Tycho2 3937-01802-1
Gaia DR2 2184375527287030784 HD 193054 BD BD+52 2666 Distance 228.83
Distance ly 746.44
 
 
WDS 20158+5230 WAL 130 AC : NOTES
 
 
discov_num notes refcode
STT 404 ADS 13616a.
 
 
REFERENCES
 
 
refcode metd author reference
STTA (O. Struve DD - Appendix list) ...................
Stt1864 Ma - Struve, O. 1864MNRAS..24..149S
Stt1864 MNRAS 24, 149, 1864
Stt1866 orb - Struve, O. .
Stt1866 Bull. Imp. Acad. Sci. St. Petersburg, 1866
Stt1874 orb - Struve, O. .
Stt1874 Compte Rendus 79, 1467, 1874
Stt1875 orb - Struve, O. 1875MNRAS..35..367S
Stt1875 MNRAS 35, 367, 1875
Stt1878 Ma - Struve, O. 1878ObPul...9....1S
Stt1878 Pulkova Observations 9, 1, 1878
Stt1879A Ma - Struve, O. 1879Obs.....2..304G
Stt1879A cited by Gledhill (Obs 2, 304, 1879)
Stt1879B Ma - Struve, O. 1879Obs.....3..245G
Stt1879B cited by Gledhill (Obs 3, 245, 1879)
Stt1879C Ma - Struve, O. 1879Obs.....2..344G
Stt1879C cited by Gledhill (Obs 2, 344, 1879)
Stt1880A Ma - Struve, O. 1880Obs.....2..605H
Stt1880A cited by Hunt (Obs. 3, 605, 1880)
Stt1880B Ma - Struve, O. 1880Obs.....3..535G
Stt1880B cited by Gledhill (Obs 3, 535, 1880)
Stt1880C Ma - Struve, O. 1880MNRAS..40..497B
Stt1880C cited by Burnham (MNRAS 40, 497, 1880)
Stt1884A Ma - Struve, O. 1884AReg...22..216S
Stt1884A cited by Sadler (Astr. Register 22, 216, 1884)
Stt1893a Ma j Struve, O. 1893ObPul..10....1S
Stt1893a Pulkova Obs. Observations 10, 1, 1893
Stt1906A Ma - Struve, O. 1906MmRAS..56....1L
Stt1906A cited by Lewis (MemRAS 56, 1, 1906)
Stt1906B Ma j Struve, O. 1906QB821.B972.....
Stt1906B cited in BDS (Burnham Double Star Cat., 1906)
Stt1908A Ma - Struve, O. 1908MNRAS..68..465B
Stt1908A cited by Barnard (MNRAS 68, 465, 1908)
Stt1913A Ma - Struve, O. 1913QB811.B8.......
Stt1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Stt1914A Ma - Struve, O. 1914AN....198..107R
Stt1914A cited by Rabe (AN 198, 107, 1914)
Stt1932A Ma - Struve, O. 1932QB821.A43......
Stt1932A cited in ADS (Aitken Double Star Cat., 1932)
Wal1934 Ma j Wallenquist, A. 1934AnBos...6....3W
Wal1934 Ann. Bosscha Obs. Lembang 6, Pt.2, 1934
Wal1944a Zw - Wallenquist, A. 1954MeUpp...85.....
Wal1944a Medd. Uppsala Obs. #85, 1944
Wal1944a (Visual measures with wedge photometer attached to 14-inch refractor. No dates
Wal1944a given for measures; default date = decade of publication added.)
Wal1944b Zw - Wallenquist, A. 1954MeUpp...87.....
Wal1944b Medd. Uppsala Obs. #87, 1944
Wal1944b (Visual measures with wedge photometer attached to 14-inch refractor. No dates
Wal1944b given for measures; default date = decade of publication added.)
Wal1947 Zw - Wallenquist, A. 1947UppAn...2....2W
Wal1947 Ann. Uppsala Astron. Obs. 2, No.2, 1947
Wal1947 (A catalogue containing results of the two prior series, plus additional measures
Wal1947 with the 14-inch refractor and wedge photometer)
Wal1948 Zw - Wallenquist, A. 1948UppAn...2....3W
Wal1948 Ann. Uppsala Astron Obs. 2, #3, 1948
Wal1948 (Visual measures of southern double stars made with 17-inch refractor of La Plata
Wal1948 and wedge photometer. No dates listed; default date = decade of publication added)
Wal1950 Zd - Wallenquist, A. 1950MeUpp..103.....
Wal1950 Medd. Uppsala Obs. #103, 1950
Wal1954 Zw - Wallenquist, A. 1954UppAn...4Q....W
Wal1954 Ann. Uppsala Astron Obs. 4, #2, 1954
Wal1954 ("General Catalogue of Differences in Magnitude of Double Stars". Weighted mean
Wal1954 values from numerous sources)
Wal1958 Zw - Wallenquist, A. 1958MeUpp..118.....
Wal1958 Medd. Uppsala Obs. #118, 1958
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20158+5230 WAL 130 AC 2000 6 2 78.8 7.59 11.08 K5III D 201549.33+523008.2
20158+5230 WAL 130 AC 2003 7 2 79.2 7.59 11.08 K5III N D 201549.33+523008.2
20158+5230 WAL 130 AC 2015 8 2 78.9 7.59 11.08 K5III N 201549.33+523008.2

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

 
 
WDS 20158+5230 WAL 130 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20158+5230 WAL 130 AC : MEASURES
 
 
No records found.

 
 
WDS 20158+5230 : VIRTUAL EYEPIECE
 
 

20158+5230 STT 404A mag 7.59 Sp K5III 20158+5230 STT 404B sep 19.8 P.A. 127.70 mag 9.8 20158+5230 WAL 130C sep 78.8 P.A. 1.30 mag 11.08 20158+5230 WAL 130D sep 21.0 P.A. 213.50 mag 12.31 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 20158+5230 : ALADIN DSS IMAGE @ 20h 15m 49.33s +52° 30' 08.2"
 
 
 
 
WDS 20158+5230 WAL 130 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20158+5230 WAL 130AC distance=0' 20162+5209 TDT2131 distance=22' 20157+5252 TDT2126 distance=22' 20167+5208 TDT2136 distance=24' 20173+5201 ES 660BC distance=32' 20173+5201 ES 660AB distance=33' 20188+5212 ES 2692 distance=33' 20116+5240 TDT2068 distance=40' 20136+5307 STF2658BC distance=43' 20136+5307 STF2658BF distance=43' 20136+5307 STF2658AB distance=43' 20136+5307 STF2658AD distance=43' 20136+5307 STF2658AC distance=43' 20183+5152 HDS2900 distance=45' 20157+5316 MMA 20 distance=46' 20203+5205 TDT2185 distance=48' 20130+5150 KPP3356 distance=48' 20100+5222 ES 986 distance=54' 20126+5316 TDT2088 distance=55' 20217+5214 ES 988 distance=56' 20223+5237 ES 989 distance=60' 20162+5126 SKF 345 distance=65' 20205+5140 TDT2189 distance=67' 20196+5132 TDT2169 distance=68' 20207+5139 TDT2192 distance=69' 20125+5128 AC 17AB distance=70' 20125+5128 AC 17AC distance=70' 20125+5128 AC 17AD distance=70' 20125+5128 AC 17AE distance=70' 20118+5130 TDT2074 distance=71' 20239+5232 A 1428 distance=74' 20095+5140 STF2645 distance=77' 20076+5247 TDT1999 distance=78' 20205+5336 BU 663AB distance=79' 20205+5336 BU 663AC distance=79' 20205+5336 BU 663AD distance=79' 20176+5113 TDS1056 distance=79' 20146+5349 ES 987 distance=81' 20159+5109 HU 585 distance=82' 20087+5320 A 1417 distance=82' 20228+5325 STF2681CD distance=84' 20228+5325 STF2681AB distance=84' 20228+5325 STF2681AC distance=84' 20228+5325 STF2681AD distance=84' 20200+5116 ES 800AB distance=85' 20200+5116 ES 800AC distance=85' 20200+5116 ABH 138AF distance=85' 20200+5116 ABH 138AG distance=85' 20200+5116 ES 800AE distance=85' 20200+5116 ES 800CD distance=85' 20200+5116 ES 800CE distance=85' 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 20158+5230 STT 404 AB 115 28.5
Show 20158+5230 WAL 130 AC 2 78.9
Show 20158+5230 WAL 130 AD 227 25.9
Show 20162+5209 TDT2131 357 1.9 22
Show 20157+5252 TDT2126 48 0.6 22
Show 20167+5208 TDT2136 286 2.1 24
Show 20173+5201 ES 660 BC 289 9.3 32
Show 20173+5201 ES 660 AB 303 29.9 33
Show 20188+5212 ES 2692 85 24.5 33
Show 20116+5240 TDT2068 207 0.6 40
Show 20136+5307 STF2658 BC 208 65.5 43
Show 20136+5307 STF2658 BF 157 17.7 43
Show 20136+5307 STF2658 AB 106 5.2 43
Show 20136+5307 STF2658 AD 284 30.9 43
Show 20136+5307 STF2658 AC 206 65.1 43
Show 20183+5152 HDS2900 106 0.1 45
Show 20157+5316 MMA 20 245 11.3 46
Show 20203+5205 TDT2185 289 0.9 48
Show 20130+5150 KPP3356 308 3.0 48
Show 20100+5222 ES 986 287 2.7 54
Show 20126+5316 TDT2088 57 0.4 55
Show 20217+5214 ES 988 10 3.7 56
Show 20223+5237 ES 989 271 3.9 60
Show 20162+5126 SKF 345 25 26.2 65
Show 20205+5140 TDT2189 300 0.9 67
Show 20196+5132 TDT2169 53 0.9 68
Show 20207+5139 TDT2192 254 0.6 69
Show 20125+5128 AC 17 AB 82 4.4 70
Show 20125+5128 AC 17 AC 9 84.8 70
Show 20125+5128 AC 17 AD 80 75.1 70
Show 20125+5128 AC 17 AE 148 130.4 70
Show 20118+5130 TDT2074 158 0.8 71
Show 20239+5232 A 1428 205 0.3 74
Show 20095+5140 STF2645 140 1.8 77
Show 20076+5247 TDT1999 120 4.6 78
Show 20205+5336 BU 663 AB 305 6.9 79
Show 20205+5336 BU 663 AC 69 6.5 79
Show 20205+5336 BU 663 AD 232 12.2 79
Show 20176+5113 TDS1056 256 1.4 79
Show 20146+5349 ES 987 293 7.9 81
Show 20159+5109 HU 585 48 4.2 82
Show 20087+5320 A 1417 173 0.6 82
Show 20228+5325 STF2681 CD 101 23.3 84
Show 20228+5325 STF2681 AB 39 6.8 84
Show 20228+5325 STF2681 AC 199 38.2 84
Show 20228+5325 STF2681 AD 166 42.0 84
Show 20200+5116 ES 800 AB 321 30.2 85
Show 20200+5116 ES 800 AC 101 42.6 85
Show 20200+5116 ABH 138 AF 110 86.0 85
Show 20200+5116 ABH 138 AG 338 76.5 85
Show 20200+5116 ES 800 AE 95 115.6 85

 
 
WDS 20158+5230 : COMPONENTS
 
 
  A B C
B pa=127.7°
sep=19.83"
 
C pa=1.3°
sep=78.84"
pa=351.3°
sep=91.99"
 
D pa=213.5°
sep=21.00"
pa=258.8°
sep=27.81"
pa=187.9°
sep=97.26"
 
 
20158+5230 A
 
 
Name HD 193054 Coord arcsec 2000 201549.33+523008.2 Mag 7.59 Spectral class K5III (yellow-orange)
PmRA 5.00 PmDE -5.0 SAO 32404 HIP 99875
Tycho2 3937-01802-1 HD 193054 ADS 13616 BD BD+52 2666
Tycho2
Tycho2 3937-01802-1 Pflag RAmdeg 303.95558455 DEmdeg 52.50226611
PmRA 6.1 PmDE -5.9 E RAmdeg 5 E DEmdeg 5
E pmRA 1.0 E pmDE 1.1 EpRAm 1991.06 EpDEm 1991.34
Num 12 Q RAmdeg 1.4 Q DEmdeg 1.2 Q pmRA 1.3
Q pmDE 1.1 BTmag 9.393 E BTmag 0.019 VTmag 7.585
E VTmag 0.010 Prox 287 TYC T HIP 99875
CCDM A RAdeg 303.95556167 DEdeg 52.50227944 EpRA 1990 1.66
EpDE 1990 1.80 E RAdeg 5.2 E DEdeg 5.2 Posflg
Corr 0.0
SAO
SAO 32404 DelFlag RA1950 PmRA1950 -0.0011
DE1950 PmDE1950 -0.013 Vmag 7.1 SpType K5
Double code Source 37 CatNum 6448 DM BD+52 2666
DMcomp BDsup HD 193054 M HD 0
GC RA1950rad 5.29908629 DE1950rad 0.91363627 PmRA2000 -0.0006
PmDE2000 -0.015
Hipparcos
Catalog H HIP 99875 Proxy RAhms 20 15 49.33
DEdms +52 30 08.2 Vmag 7.4 VarFlag R Vmag G
RAdeg 303.956 DEdeg 52.5023 AstroRef A Plx 3.84
CCDM 20158+5230 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual D M HIP
Theta Rho HD 193054 BD BD+52 2666
CD CP Dm number +52 2666 VIred 1.46
SpType K5III R SpType Coord arcsec 2000 201549.33+523008.2
Hipparcos 2
HIP 99875 Sn 95 So 3 Nc 1
RArad 5.3050253387 DErad 0.9163376535 Plx 4.37 PmRA 5.45
PmDE -4.02 E RArad 0.5 E DErad 0.54 E Plx 0.59
E pmRA 0.62 E pmDE 0.61 Hpmag 7.5393 E Hpmag 0.0057
SHp 0.013 VA 0 BV 1.57 E BV 0.134
VI 1.46
CCDM
Ccdm 20158+5230 RComp Comp A Note1
Note2 Discov num DRAs 1.36 DDEs 8.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.4 Sp K5 PmNote *
PmRA 10 PmDE -11 Dm number +52 2666 Cat1 BD
Name2 +52 1365 Cat2 AGK2/3 HD 193054 M HD
ADS BDS A13616 M ADS BDS a N IDS IDS 20131N5212A
HIC 99875
 
 
20158+5230 B
 
 
Coord arcsec 2000 201551.05+522956.1 Mag 9.8 PmRA -6.00 PmDE -6.0
HIP 99879 Calc delta mag 2.21 Calc coord yes
Hipparcos
Catalog H HIP 99879 Proxy RAhms 20 15 52.19
DEdms +52 29 56.1 Vmag 9.9 VarFlag R Vmag H
RAdeg 303.967 DEdeg 52.4989 AstroRef B Plx 4.04
CCDM 20158+5230 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual D M HIP
Theta Rho HD BD
CD CP Dm number VIred 0.71
SpType R SpType Coord arcsec 2000 201552.19+522956.1
Hipparcos 2
HIP 99879 Sn 95 So 3 Nc 1
RArad 5.3052326666 DErad 0.9162789716 Plx 16 PmRA -7.49
PmDE -7.42 E RArad 2.3 E DErad 1.94 E Plx 2.33
E pmRA 2.96 E pmDE 2.41 Hpmag 9.9566 E Hpmag 0.0374
SHp 0 VA 0 BV 0.592 E BV 0.047
VI 0.66
CCDM
Ccdm 20158+5230 RComp Comp B Note1
Note2 Discov num STT 404 DRAs 4.26 DDEs -3.9
R dRAs 90 Year 1867 Theta 114 Rho 29.6
Obs 7 Vmag 9.9 Sp PmNote *
PmRA 1 PmDE -10 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13616 M ADS BDS a N IDS IDS 20131N5212B
HIC 99879
 
 
20158+5230 C
 
 
Coord arcsec 2000 201549.53+523127.0 Mag 11.08 PmRA -1.00 PmDE 3.0
Tycho2 3937-01823-1 Calc delta mag 3.49 Calc coord yes
Tycho2
Tycho2 3937-01823-1 Pflag RAmdeg 303.95702499 DEmdeg 52.52412942
PmRA -0.4 PmDE 3.8 E RAmdeg 35 E DEmdeg 41
E pmRA 1.8 E pmDE 1.7 EpRAm 1987.46 EpDEm 1985.13
Num 4 Q RAmdeg 0.7 Q DEmdeg 1.3 Q pmRA 0.7
Q pmDE 1.4 BTmag 11.345 E BTmag 0.059 VTmag 11.081
E VTmag 0.076 Prox 787 TYC T HIP
CCDM RAdeg 303.95702639 DEdeg 52.52412083 EpRA 1990 1.77
EpDE 1990 1.81 E RAdeg 35.9 E DEdeg 43.2 Posflg
Corr 0.0
 
 
20158+5230 D
 
 
Coord arcsec 2000 201548.06+522950.7 Mag 12.31 PmRA -4.00 PmDE -8.0
Calc delta mag 4.72 Calc coord yes