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Current system
20215+3035
ARY 4 AB
HD 193857


Nearby doubles
3' : 20213+3035
WJD 1

20' : 20219+3017
TDT2209

21' : 20231+3036
ES 362AB

30' : 20211+3104
TDT2200

31' : 20234+3053
ARG 91

31' : 20222+3105
TDT2211

34' : 20225+3004
TDT2216

37' : 20223+3110
BRT1954

39' : 20217+3112
BRT 279

39' : 20234+3007
J 1772

41' : 20222+3115
A 1208

43' : 20248+3033
ES 363

44' : 20222+3118
RAO 430

44' : 20188+3102
HDS2902

46' : 20250+3034
HDS2921

47' : 20196+2956
A 1207

52' : 20223+2946
TDT2213

52' : 20242+2958
FMR 87AB

56' : 20257+3022
COU1324

59' : 20245+3120
TDT2244

68' : 20227+2930
TDT2218

69' : 20179+2945
TDT2149

70' : 20240+2935
TDT2237

75' : 20176+3130
SEI1066

76' : 20176+3132
TDS1057

77' : 20265+3117
TDT2272



Selections
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Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20215+3035 ARY 4 AB (HD 193857)

 
 
20h 21m 29.56s +30° 35' 25.0" P.A. 287.00 sep 134.9 mag 6.78,8.54 Sp Am dist. 114.29 pc (372.81 l.y.)
 
 
Coord 2000 20215+3035 Discov num ARY   4 Comp AB Coord arcsec 2000 20 21 29.56 +30 35 25.0
Date first 1900 Date last 2015 Obs 17
Pa first 288 Pa last 286.5 P.A. Now (θ) 286.5°
Sep first 135.1 Sep last 134.857 Sep. Now (ρ) 134.857"
Mag pri 6.78 Mag sec 8.54 delta mag (ΔM) 1.76 Spectral class Am (white)
Pri motion ra +012 Sec motion ra +008
Pri motion dec +022 Sec motion dec +010
Notes
rPM=0.505
Nature of this double is uncertain.
 
 
20215+3035 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 193857 69888 20 21 30 +30 35 25 ARY 4 AB 2015 17 287 134.9 6.78 8.54 1.76 <===
Show 246544 20 21 20 +30 36 04 BU 1259 Ba,Bb 1991 26 191 0.2 9.06 9.60 0.54
Show 69879 20 21 20 +30 36 04 BU 1259 BC 2012 9 356 10.3 8.54 13.50 4.96
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 193857 Constellation Cygnus SAO 69888 HIP 100384
Tycho2 2672-02202-1 Gaia DR2 1861588192186372864 HD 193857 BD BD+30 3998
Distance 114.29 Distance ly 372.81
 
 
WDS 20215+3035 ARY 4 AB (HD 193857) : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
ARY Argyle, R.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
20215+3035 ARY 4 AB 2000 11 287 134.5 6.78 8.54 Am +30 3998 D 202129.56+303525.0
20215+3035 ARY 4 AB 2010 12 287 134.8 6.78 8.54 Am +30 3998 D 202129.56+303525.0
20215+3035 ARY 4 AB 2012 15 286 134.5 6.78 8.54 Am +30 3998 D 202129.56+303525.0
20215+3035 ARY 4 AB 2015 16 287 134.9 6.78 8.54 Am +30 3998 202129.56+303525.0

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

 
 
WDS 20215+3035 ARY 4 AB (HD 193857) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20215+3035 ARY 4 AB (HD 193857) : MEASURES
 
 
No records found.

 
 
WDS 20215+3035 (HD 193857) : VIRTUAL EYEPIECE
 
 

20215+3035 ARY 4A mag 6.78 Sp Am 20215+3035 BU 1259B sep 134.9 P.A. 286.60 mag 8.54 Sp A3 20215+3035 BU 1259Bb sep 134.8 P.A. 286.50 mag 9.6 20215+3035 BU 1259C sep 138.8 P.A. 290.60 mag 13.5 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 20215+3035 (HD 193857) : ALADIN DSS IMAGE @ 20h 21m 29.56s +30° 35' 25.0"
 
 
 
 
WDS 20215+3035 ARY 4 AB (HD 193857) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20215+3035 ARY 4AB distance=0' 20215+3035 BU 1259Ba,Bb distance=3' 20215+3035 BU 1259BC distance=3' 20213+3035 WJD 1 distance=3' 20219+3017 TDT2209 distance=20' 20231+3036 ES 362BC distance=21' 20231+3036 ES 362AB distance=21' 20211+3104 TDT2200 distance=30' 20234+3053 ARG 91 distance=31' 20222+3105 TDT2211 distance=31' 20225+3004 TDT2216 distance=34' 20223+3110 BRT1954 distance=37' 20217+3112 BRT 279 distance=39' 20234+3007 J 1772 distance=39' 20222+3115 A 1208 distance=41' 20248+3033 ES 363 distance=43' 20222+3118 RAO 430 distance=44' 20188+3102 HDS2902 distance=44' 20250+3034 HDS2921 distance=46' 20196+2956 A 1207 distance=47' 20223+2946 TDT2213 distance=52' 20242+2958 HDS2916Aa,Ab distance=52' 20242+2958 FMR 87AB distance=52' 20242+2958 FMR 87AC distance=52' 20257+3022 COU1324 distance=56' 20245+3120 TDT2244 distance=59' 20227+2930 TDT2218 distance=68' 20179+2945 TDT2149 distance=69' 20240+2935 TDT2237 distance=70' 20176+3130 SEI1066 distance=75' 20176+3132 TDS1057 distance=76' 20265+3117 TDT2272 distance=77' 20251+3141 ES 2434 distance=81' 20169+3130 HO 588AB distance=81' 20169+3130 HO 588BC distance=82' 20244+2923 HO 457AB distance=82' 20244+2923 HO 457AC distance=82' 20279+3047 RAO 520 distance=84' 20269+3121 TDT2280 distance=84' 20190+3155 TDT2162 distance=86' 20191+2915 COU1477 distance=87' 20152+3006 TDT2121 distance=87' 20200+3201 SEI1085 distance=88' 20173+2926 TDT2142 distance=89' 20282+3024 HJ 1517 distance=89' 20280+3008 BU 62AB distance=89' 20280+3008 BU 62AC distance=89' 20280+3008 BU 62AD distance=89' 20177+2922 TDT2145 distance=89' 20167+2932 OSO 121AB distance=90' 20167+2932 OSO 121AC distance=90' 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 20215+3035 ARY 4 AB 287 134.9 0
Show 20215+3035 BU 1259 Ba,Bb 191 0.2 3
Show 20215+3035 BU 1259 BC 356 10.3 3
Show 20213+3035 WJD 1 262 8.8 3
Show 20219+3017 TDT2209 51 1.7 20
Show 20231+3036 ES 362 BC 270 5.1 21
Show 20231+3036 ES 362 AB 232 10.8 21
Show 20211+3104 TDT2200 55 1.2 30
Show 20234+3053 ARG 91 175 20.8 31
Show 20222+3105 TDT2211 354 2.4 31
Show 20225+3004 TDT2216 133 0.5 34
Show 20223+3110 BRT1954 278 4.8 37
Show 20217+3112 BRT 279 125 3.8 39
Show 20234+3007 J 1772 98 2.4 39
Show 20222+3115 A 1208 161 0.2 41
Show 20248+3033 ES 363 277 3.1 43
Show 20222+3118 RAO 430 289 2.6 44
Show 20188+3102 HDS2902 296 1.7 44
Show 20250+3034 HDS2921 358 0.8 46
Show 20196+2956 A 1207 353 0.6 47
Show 20223+2946 TDT2213 229 1.0 52
Show 20242+2958 HDS2916 Aa,Ab 223 0.2 52
Show 20242+2958 FMR 87 AB 50 1.4 52
Show 20242+2958 FMR 87 AC 117 7.8 52
Show 20257+3022 COU1324 202 3.0 56
Show 20245+3120 TDT2244 281 0.4 59
Show 20227+2930 TDT2218 292 0.4 68
Show 20179+2945 TDT2149 316 0.8 69
Show 20240+2935 TDT2237 155 0.9 70
Show 20176+3130 SEI1066 312 8.3 75
Show 20176+3132 TDS1057 339 1.7 76
Show 20265+3117 TDT2272 159 2.8 77
Show 20251+3141 ES 2434 287 4.3 81
Show 20169+3130 HO 588 AB 297 50.8 81
Show 20169+3130 HO 588 BC 30 8.7 82
Show 20244+2923 HO 457 AB 61 2.0 82
Show 20244+2923 HO 457 AC 268 28.0 82
Show 20279+3047 RAO 520 -1 0.2 84
Show 20269+3121 TDT2280 334 0.5 84
Show 20190+3155 TDT2162 107 4.7 86
Show 20191+2915 COU1477 100 0.6 87
Show 20152+3006 TDT2121 11 2.0 87
Show 20200+3201 SEI1085 105 11.0 88
Show 20173+2926 TDT2142 316 1.0 89
Show 20282+3024 HJ 1517 105 13.1 89
Show 20280+3008 BU 62 AB 132 1.2 89
Show 20280+3008 BU 62 AC 179 38.2 89
Show 20280+3008 BU 62 AD 267 46.1 89
Show 20177+2922 TDT2145 186 0.7 89
Show 20167+2932 OSO 121 AB 165 13.2 90
Show 20167+2932 OSO 121 AC 283 15.2 90

 
 
WDS 20215+3035 : COMPONENTS
 
 
  A B Bb
B pa=286.6°
sep=134.86"
 
Bb pa=286.5°
sep=134.84"
pa=191.0°
sep=0.23"
 
C pa=290.6°
sep=138.80"
pa=356.0°
sep=10.27"
pa=356.3°
sep=10.49"
 
 
20215+3035 A
 
 
Name HD 193857 Coord arcsec 2000 202129.56+303525.0 Mag 6.78 Spectral class Am (white)
PmRA 12.00 PmDE 22.0 Tycho2 2672-02202-1 HD 193857
Tycho2
Tycho2 2672-02202-1 Pflag RAmdeg 305.37317324 DEmdeg 30.59027241
PmRA 12.1 PmDE 21.6 E RAmdeg 4 E DEmdeg 4
E pmRA 1.3 E pmDE 1.2 EpRAm 1991.41 EpDEm 1991.51
Num 12 Q RAmdeg 0.5 Q DEmdeg 0.5 Q pmRA 0.5
Q pmDE 0.6 BTmag 7.071 E BTmag 0.015 VTmag 6.783
E VTmag 0.010 Prox 999 TYC T HIP 100384
CCDM RAdeg 305.37314028 DEdeg 30.59022250 EpRA 1990 1.61
EpDE 1990 1.72 E RAdeg 3.7 E DEdeg 3.6 Posflg
Corr 0.1
 
 
20215+3035 B
 
 
Coord arcsec 2000 202119.55+303603.5 Coord calc 202119.55+303603.5 Mag 8.54 Spectral class A3 (white)
PmRA 8.00 PmDE 10.0 SAO 246544 HIP 100369
Tycho2 2672-01711-1 HD 334154 GC 28281 BD BD+30 3994
Delta magnitude 1.76
Tycho2
Tycho2 2672-01711-1 Pflag RAmdeg 305.33148597 DEmdeg 30.60101693
PmRA 9.8 PmDE 11.8 E RAmdeg 7 E DEmdeg 6
E pmRA 1.4 E pmDE 1.2 EpRAm 1991.01 EpDEm 1991.33
Num 9 Q RAmdeg 1.4 Q DEmdeg 1.7 Q pmRA 1.4
Q pmDE 1.7 BTmag 8.815 E BTmag 0.016 VTmag 8.536
E VTmag 0.012 Prox 865 TYC T HIP 100369
CCDM AB RAdeg 305.33145917 DEdeg 30.60098972 EpRA 1990 1.55
EpDE 1990 1.80 E RAdeg 6.8 E DEdeg 5.5 Posflg P
Corr 0.0
SAO
SAO 246544 DelFlag RA1950 PmRA1950 -0.0262
DE1950 PmDE1950 -0.151 Vmag 8.4 SpType G5
Double code Source 70 CatNum 28281 DM CP-55 9370
DMcomp BDsup HD 193231 M HD 0
GC 28281 RA1950rad 5.31365418 DE1950rad -0.95941061 PmRA2000 -0.0264
PmDE2000 -0.156
Hipparcos
Catalog H HIP 100369 Proxy H RAhms 20 21 19.55
DEdms +30 36 03.5 Vmag 8.52 VarFlag R Vmag H
RAdeg 305.331 DEdeg 30.601 AstroRef * Plx 3.47
CCDM 8.05 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 191 Rho 0.228 HD BD BD+30 3994
CD CP Dm number +30 3994 VIred 0.34
SpType A3 R SpType Coord arcsec 2000 202119.55+303603.5
Hipparcos 2
HIP 100369 Sn 55 So 3 Nc 2
RArad 5.3290392455 DErad 0.5340879174 Plx 4.41 PmRA 8.23
PmDE 10.39 E RArad 0.61 E DErad 0.81 E Plx 1.18
E pmRA 0.72 E pmDE 0.94 Hpmag E Hpmag 0.0016
SHp 0.02 VA 0 BV 0.259 E BV 0.014
VI 0.29
 
 
20215+3035 Bb
 
 
Coord arcsec 2000 202119.55+303603.3 Mag 9.6 Delta magnitude 2.82 Coordinate calculated yes
 
 
20215+3035 C
 
 
Coord arcsec 2000 202119.49+303613.7 Mag 13.5 PmRA -4.00 PmDE 2.0
Delta magnitude 6.72 Coordinate calculated yes