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Current system
20234+3053
ARG 91
HD 194209


Nearby doubles
18' : 20231+3036
ES 362AB

20' : 20222+3105
TDT2211

23' : 20223+3110
BRT1954

27' : 20248+3033
ES 363

28' : 20222+3115
A 1208

29' : 20250+3034
HDS2921

30' : 20222+3118
RAO 430

30' : 20217+3112
BRT 279

31' : 20215+3035
ARY 4AB

31' : 20245+3120
TDT2244

33' : 20211+3104
TDT2200

33' : 20213+3035
WJD 1

42' : 20219+3017
TDT2209

43' : 20257+3022
COU1324

46' : 20234+3007
J 1772

47' : 20265+3117
TDT2272

51' : 20225+3004
TDT2216

53' : 20251+3141
ES 2434

54' : 20269+3121
TDT2280

56' : 20242+2958
FMR 87AB

58' : 20279+3047
RAO 520

60' : 20188+3102
HDS2902

69' : 20280+3128
TDS1074

69' : 20282+3124
ES 2435

69' : 20223+2946
TDT2213

69' : 20282+3024
HJ 1517



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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20234+3053 ARG 91 (HD 194209)

 
 
20h 23m 25.46s +30° 52' 52.8" P.A. 175.00 sep 20.8 mag 8.59,9.48 Sp A3
 
 
Coord 2000 20234+3053 Discov num ARG  91 Comp Coord arcsec 2000 20 23 25.46 +30 52 52.8
Date first 1862 Date last 2019 Obs 26
Pa first 177 Pa last 175.4 P.A. Now (θ) 175.4°
Sep first 21.1 Sep last 20.75 Sep. Now (ρ) 20.75"
Mag pri 8.59 Mag sec 9.48 delta mag (ΔM) 0.89 Spectral class A3 (white)
Pri motion ra +005 Sec motion ra +005
Pri motion dec +003 Sec motion dec +000
Notes N (See Notes)
rPM=0.514
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 194209 Constellation Cygnus SAO 69937 Tycho2 2672-01122-1
Gaia DR2 1861963572327625600 HD 194209
 
 
WDS 20234+3053 ARG 91 (HD 194209) : NOTES
 
 
discov_num notes refcode
ARG 91 B is BD+30@4010a.
 
 
REFERENCES
 
 
refcode metd author reference
Arg1857 - Argelander, F. ...................
Arg1857 Oeltzen Argelander Cat -15 to -31, 1857
Arg1862A - Argelander, F. 1862AN.....59....1A
Arg1862A cited by Auwers (AN 59, 1, 1862)
Arg1864 T - Argelander, F. 1864AN.....62R.253A
Arg1864 AN 62, 253, 1864
Arg1865 T - Argelander, F. 1865AN.....65...61A
Arg1865 AN 65, 61, 1865
Arg1880A - Argelander, F. 1880Obs.....3..569G
Arg1880A cited by Gledhill (Obs. 3, 569, 1880)
Arg1906A T - Argelander, F. (BD) 1906QB821.B972.....
Arg1906A cited in BDS (Burnham Double Star Cat., 1906)
Arg1908A T - Argelander, F. 1908JRASC...2..248E
Arg1908A cited by Espin (JRASC 2, 248, 1908) .
Arg1913A T - Argelander, F. (BD) 1913QB811.B8.......
Arg1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Arg1932A T - Argelander, F. (BD) 1932QB821.A43......
Arg1932A cited in ADS (Aitken Double Star Cat., 1932)
Arg1937A - Argelander, F. 1937AnLei..18....1S
Arg1937A cited by Strand (Ann. Sterrew. Leiden 18, 1937)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20234+3053 ARG 91 2004 15 176 20.7 8.59 9.48 A3 N D 202325.46+305252.8
20234+3053 ARG 91 2012 17 174 19.7 8.59 9.48 A3 N D 202325.46+305252.8
20234+3053 ARG 91 2015 20 176 20.5 8.59 9.48 A3 N 202325.46+305252.8
20234+3053 ARG 91 2018 21 175 20.5 8.59 9.48 A3 N 202325.46+305252.8
20234+3053 ARG 91 2019 25 175 20.8 8.59 9.48 A3 N 202325.46+305252.8

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

 
 
WDS 20234+3053 ARG 91 (HD 194209) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20234+3053 ARG 91 (HD 194209) : MEASURES
 
 
No records found.

 
 
WDS 20234+3053 (HD 194209) : VIRTUAL EYEPIECE
 
 

20234+3053 ARG 91A mag 8.59 Sp A3 20234+3053 ARG 91B sep 20.7 P.A. 176.00 mag 9.48 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20234+3053 (HD 194209) : ALADIN DSS IMAGE @ 20h 23m 25.46s +30° 52' 52.8"
 
 
 
 
WDS 20234+3053 ARG 91 (HD 194209) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20234+3053 ARG 91 distance=0' 20231+3036 ES 362AB distance=18' 20231+3036 ES 362BC distance=18' 20222+3105 TDT2211 distance=20' 20223+3110 BRT1954 distance=23' 20248+3033 ES 363 distance=27' 20222+3115 A 1208 distance=28' 20250+3034 HDS2921 distance=29' 20222+3118 RAO 430 distance=30' 20217+3112 BRT 279 distance=30' 20215+3035 ARY 4AB distance=31' 20245+3120 TDT2244 distance=31' 20215+3035 BU 1259Ba,Bb distance=32' 20215+3035 BU 1259BC distance=32' 20211+3104 TDT2200 distance=33' 20213+3035 WJD 1 distance=33' 20219+3017 TDT2209 distance=42' 20257+3022 COU1324 distance=43' 20234+3007 J 1772 distance=46' 20265+3117 TDT2272 distance=47' 20225+3004 TDT2216 distance=51' 20251+3141 ES 2434 distance=53' 20269+3121 TDT2280 distance=54' 20242+2958 HDS2916Aa,Ab distance=56' 20242+2958 FMR 87AB distance=56' 20242+2958 FMR 87AC distance=56' 20279+3047 RAO 520 distance=58' 20188+3102 HDS2902 distance=60' 20280+3128 TDS1074 distance=69' 20282+3124 ES 2435 distance=69' 20223+2946 TDT2213 distance=69' 20282+3024 HJ 1517 distance=69' 20251+3159 ES 2433 distance=70' 20286+3118 COU1325 distance=71' 20262+3157 KPP3419 distance=74' 20275+3145 ES 364 distance=74' 20280+3008 BU 62AB distance=75' 20280+3008 BU 62AC distance=75' 20280+3008 BU 62AD distance=75' 20196+2956 A 1207 distance=76' 20294+3048 HJ 1521 distance=78' 20240+2935 TDT2237 distance=79' 20284+3007 OL 75 distance=79' 20200+3201 SEI1085 distance=81' 20246+3212 AG 254AB distance=81' 20246+3212 FOX9015AC distance=81' 20227+2930 TDT2218 distance=84' 20176+3130 SEI1066 distance=84' 20190+3155 TDT2162 distance=84' 20198+3203 TDS1060 distance=85' 20176+3132 TDS1057 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 20234+3053 ARG 91 175 20.8
Show 20231+3036 ES 362 AB 232 10.8 18
Show 20231+3036 ES 362 BC 270 5.1 18
Show 20222+3105 TDT2211 354 2.4 20
Show 20223+3110 BRT1954 278 4.8 23
Show 20248+3033 ES 363 277 3.1 27
Show 20222+3115 A 1208 161 0.2 28
Show 20250+3034 HDS2921 358 0.8 29
Show 20222+3118 RAO 430 289 2.6 30
Show 20217+3112 BRT 279 125 3.8 30
Show 20215+3035 ARY 4 AB 287 134.9 31
Show 20245+3120 TDT2244 281 0.4 31
Show 20215+3035 BU 1259 Ba,Bb 191 0.2 32
Show 20215+3035 BU 1259 BC 356 10.3 32
Show 20211+3104 TDT2200 55 1.2 33
Show 20213+3035 WJD 1 262 8.8 33
Show 20219+3017 TDT2209 51 1.7 42
Show 20257+3022 COU1324 202 3.0 43
Show 20234+3007 J 1772 98 2.4 46
Show 20265+3117 TDT2272 352 2.3 47
Show 20225+3004 TDT2216 133 0.5 51
Show 20251+3141 ES 2434 287 4.3 53
Show 20269+3121 TDT2280 334 0.5 54
Show 20242+2958 HDS2916 Aa,Ab 223 0.2 56
Show 20242+2958 FMR 87 AB 50 1.4 56
Show 20242+2958 FMR 87 AC 117 7.8 56
Show 20279+3047 RAO 520 -1 0.2 58
Show 20188+3102 HDS2902 296 1.7 60
Show 20280+3128 TDS1074 334 1.5 69
Show 20282+3124 ES 2435 241 3.4 69
Show 20223+2946 TDT2213 229 1.0 69
Show 20282+3024 HJ 1517 105 13.1 69
Show 20251+3159 ES 2433 267 8.6 70
Show 20286+3118 COU1325 222 0.2 71
Show 20262+3157 KPP3419 60 17.1 74
Show 20275+3145 ES 364 279 7.3 74
Show 20280+3008 BU 62 AB 133 1.2 75
Show 20280+3008 BU 62 AC 179 38.2 75
Show 20280+3008 BU 62 AD 267 46.1 75
Show 20196+2956 A 1207 351 0.6 76
Show 20294+3048 HJ 1521 194 15.4 78
Show 20240+2935 TDT2237 155 0.8 79
Show 20284+3007 OL 75 136 1.8 79
Show 20200+3201 SEI1085 105 11.0 81
Show 20246+3212 AG 254 AB 343 5.4 81
Show 20246+3212 FOX9015 AC 296 29.3 81
Show 20227+2930 TDT2218 292 0.4 84
Show 20176+3130 SEI1066 312 8.3 84
Show 20190+3155 TDT2162 269 1.8 84
Show 20198+3203 TDS1060 230 1.0 85
Show 20176+3132 TDS1057 339 1.7 85

 
 
WDS 20234+3053 : COMPONENTS
 
 
  A
B pa=176.0°
sep=20.73"
 
 
20234+3053 A
 
 
Componente originario normalizzato AB Name HD 194209 Coord arcsec 2000 202325.46+305252.8 Mag 8.59
Spectral class A3 (white) PmRA 5.00 PmDE 3.0 SAO 69937
Tycho2 2672-01122-1 HD 194209 DM BD+30 4010
Tycho2
Tycho2 2672-01122-1 Pflag RAmdeg 305.85606971 DEmdeg 30.88133358
PmRA 6.7 PmDE 4.5 E RAmdeg 6 E DEmdeg 6
E pmRA 1.5 E pmDE 1.4 EpRAm 1991.29 EpDEm 1991.45
Num 9 Q RAmdeg 0.7 Q DEmdeg 1.5 Q pmRA 0.6
Q pmDE 1.5 BTmag 8.830 E BTmag 0.016 VTmag 8.593
E VTmag 0.012 Prox 205 TYC T HIP
CCDM RAdeg 305.85605167 DEdeg 30.88132333 EpRA 1990 1.62
EpDE 1990 1.72 E RAdeg 6.3 E DEdeg 5.9 Posflg
Corr 0.1
SAO
SAO 69937 DelFlag RA1950 PmRA1950 0.0008
DE1950 PmDE1950 0.004 Vmag 8.4 SpType A3
Double code Source 6 CatNum 2117 DM BD+30 4010
DMcomp BDsup a HD 194209 M HD 0
GC RA1950rad 5.329366 DE1950rad 0.53615187 PmRA2000 0.001
PmDE2000 0.002
CCDM
Ccdm 20234+3053 RComp Comp A Note1
Note2 Discov num DRAs 1.35 DDEs -7.8
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.0 Sp A3 PmNote *
PmRA -4 PmDE -6 Dm number +30 4010 Cat1 BD
Name2 +30 2117 Cat2 AGK2/3 HD 194209 M HD
ADS BDS M ADS BDS N IDS IDS 20193N3035A
HIC
 
 
20234+3053 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 202325.57+305232.1 Mag 9.48 PmRA 5.00
PmDE 0.0 Tycho2 2672-01586-1 Calc delta mag 0.89 Calc coord yes
Tycho2
Tycho2 2672-01586-1 Pflag RAmdeg 305.85657359 DEmdeg 30.87565606
PmRA 7.0 PmDE 1.4 E RAmdeg 11 E DEmdeg 11
E pmRA 1.6 E pmDE 1.5 EpRAm 1991.00 EpDEm 1990.97
Num 6 Q RAmdeg 0.5 Q DEmdeg 0.5 Q pmRA 0.5
Q pmDE 0.5 BTmag 9.613 E BTmag 0.021 VTmag 9.483
E VTmag 0.019 Prox 205 TYC T HIP
CCDM RAdeg 305.85655500 DEdeg 30.87565278 EpRA 1990 1.67
EpDE 1990 1.71 E RAdeg 11.1 E DEdeg 10.7 Posflg
Corr 0.1
CCDM
Ccdm 20234+3053 RComp Comp B Note1
Note2 Discov num ARG 91 DRAs 1.55 DDEs -27.5
R dRAs 10 Year 1918 Theta 176 Rho 20.7
Obs 2 Vmag 9.5 Sp PmNote *
PmRA 14 PmDE 2 Dm number +30 4010 Cat1 BD
Name2 +30 2118 Cat2 AGK2/3 HD M HD
ADS BDS M ADS BDS N IDS IDS 20193N3035B
HIC