20188+3102 HDS 2902

 
 
20h 18m 49.22s +31° 02' 26.9" P.A. 296.00 sep 1.7 mag 11.38,13.77 Sp B:+K: dist. 431.03 pc (1406.02 l.y.)
 
 
Coord 2000 20188+3102 Discov num HDS2902 Comp Coord arcsec 2000 20 18 49.22 +31 02 26.9
Date first 1991 Date last 2011 Obs 4
Pa first 294 Pa last 295.6 P.A. Now (θ) 295.6°
Sep first 1.7 Sep last 1.676 Sep. Now (ρ) 1.676"
Mag pri 11.38 Mag sec 13.77 delta mag (ΔM) 2.39 Spectral class B:+K: (blue-white/yellow-orange)
Pri motion ra +002 Sec motion ra -002
Pri motion dec -008 Sec motion dec -006
Notes
rPM=0.542
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus HIP 100141 Tycho2 2672-00768-1 Gaia DR2 2053794438305564672
HD 334032 Distance 431.03 Distance ly 1406.02
 
 
WDS 20188+3102 HDS 2902 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HDS Hipparcos Double Star (from additional DD list) ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20188+3102 HDS2902 1991 2 295 1.8 11.38 13.77 B... 201849.22+310226.9
20188+3102 HDS2902 2005 3 292 2.0 11.38 13.77 B:+K: 201849.22+310226.9
20188+3102 HDS2902 2011 4 296 1.7 11.38 13.77 B:+K: 201849.22+310226.9

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

 
 
WDS 20188+3102 HDS 2902 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20188+3102 HDS 2902 : MEASURES
 
 
No records found.

 
 
WDS 20188+3102 : VIRTUAL EYEPIECE
 
 

20188+3102 HDS2902A mag 11.38 Sp B: 20188+3102 HDS2902B sep 1.5 P.A. 299.20 mag 13.77 Sp K: virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20188+3102 : ALADIN DSS IMAGE @ 20h 18m 49.22s +31° 02' 26.9"
 
 
 
 
WDS 20188+3102 HDS 2902 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20188+3102 HDS2902 distance=0' 20211+3104 TDT2200 distance=30' 20176+3130 SEI1066 distance=32' 20176+3132 TDS1057 distance=34' 20169+3130 HO 588AB distance=38' 20169+3130 HO 588BC distance=38' 20217+3112 BRT 279 distance=39' 20215+3035 BU 1259Ba,Bb distance=42' 20215+3035 BU 1259BC distance=42' 20213+3035 WJD 1 distance=43' 20222+3105 TDT2211 distance=44' 20215+3035 ARY 4AB distance=44' 20222+3115 A 1208 distance=45' 20223+3110 BRT1954 distance=47' 20222+3118 RAO 430 distance=47' 20190+3155 TDT2162 distance=53' 20170+3153 SEI1061 distance=56' 20188+3201 SEI1075 distance=58' 20234+3053 ARG 91 distance=60' 20200+3201 SEI1085 distance=61' 20181+3202 SEI1068 distance=61' 20219+3017 TDT2209 distance=61' 20231+3036 ES 362BC distance=62' 20231+3036 ES 362AB distance=62' 20198+3203 TDS1060 distance=62' 20144+3129 A 1204 distance=63' 20175+3205 SEI1065 distance=65' 20196+2956 A 1207 distance=68' 20168+3206 COU1476AB distance=69' 20168+3206 COU1476AC distance=69' 20140+3031 COU1475 distance=70' 20152+3006 TDT2121 distance=74' 20245+3120 TDT2244 distance=75' 20225+3004 TDT2216 distance=75' 20135+3031 J 3063 distance=76' 20179+2945 TDT2149 distance=79' 20169+3218 SEI1060 distance=79' 20234+3007 J 1772 distance=82' 20248+3033 ES 363 distance=83' 20190+3225 TDT2161 distance=83' 20250+3034 HDS2921 distance=86' 20189+3230 SEI1076 distance=88' 20251+3141 ES 2434 distance=90' 20223+2946 TDT2213 distance=90' 20118+3108 COU1474AB distance=91' 20118+3108 GII 289Aa,Ab distance=91' 20192+3235 KLT 21BC distance=93' 20192+3235 KLT 21AB distance=93' 20192+3235 KLT 21AC distance=93' 20242+2958 HDS2916Aa,Ab distance=95' 20242+2958 FMR 87AB distance=95' 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 20188+3102 HDS2902 296 1.7
Show 20211+3104 TDT2200 55 1.2 30
Show 20176+3130 SEI1066 312 8.3 32
Show 20176+3132 TDS1057 339 1.7 34
Show 20169+3130 HO 588 AB 297 50.8 38
Show 20169+3130 HO 588 BC 30 8.7 38
Show 20217+3112 BRT 279 125 3.8 39
Show 20215+3035 BU 1259 Ba,Bb 191 0.2 42
Show 20215+3035 BU 1259 BC 356 10.3 42
Show 20213+3035 WJD 1 262 8.8 43
Show 20222+3105 TDT2211 354 2.4 44
Show 20215+3035 ARY 4 AB 287 134.9 44
Show 20222+3115 A 1208 161 0.2 45
Show 20223+3110 BRT1954 278 4.8 47
Show 20222+3118 RAO 430 289 2.6 47
Show 20190+3155 TDT2162 269 1.8 53
Show 20170+3153 SEI1061 98 6.3 56
Show 20188+3201 SEI1075 19 10.6 58
Show 20234+3053 ARG 91 175 20.8 60
Show 20200+3201 SEI1085 105 11.0 61
Show 20181+3202 SEI1068 12 17.4 61
Show 20219+3017 TDT2209 51 1.7 61
Show 20231+3036 ES 362 BC 270 5.1 62
Show 20231+3036 ES 362 AB 232 10.8 62
Show 20198+3203 TDS1060 230 1.0 62
Show 20144+3129 A 1204 323 0.4 63
Show 20175+3205 SEI1065 2 4.1 65
Show 20196+2956 A 1207 351 0.6 68
Show 20168+3206 COU1476 AB 9 0.1 69
Show 20168+3206 COU1476 AC 157 3.0 69
Show 20140+3031 COU1475 87 0.2 70
Show 20152+3006 TDT2121 11 2.0 74
Show 20245+3120 TDT2244 281 0.4 75
Show 20225+3004 TDT2216 133 0.5 75
Show 20135+3031 J 3063 76 4.7 76
Show 20179+2945 TDT2149 316 0.8 79
Show 20169+3218 SEI1060 8 23.8 79
Show 20234+3007 J 1772 98 2.4 82
Show 20248+3033 ES 363 277 3.1 83
Show 20190+3225 TDT2161 37 1.1 83
Show 20250+3034 HDS2921 358 0.8 86
Show 20189+3230 SEI1076 196 13.1 88
Show 20251+3141 ES 2434 287 4.3 90
Show 20223+2946 TDT2213 229 1.0 90
Show 20118+3108 COU1474 AB 59 2.9 91
Show 20118+3108 GII 289 Aa,Ab 83 1.5 91
Show 20192+3235 KLT 21 BC 324 0.1 93
Show 20192+3235 KLT 21 AB 185 1.3 93
Show 20192+3235 KLT 21 AC 187 1.2 93
Show 20242+2958 HDS2916 Aa,Ab 223 0.2 95
Show 20242+2958 FMR 87 AB 50 1.4 95

 
 
WDS 20188+3102 : COMPONENTS
 
 
  A
B pa=299.2°
sep=1.48"
 
 
20188+3102 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 201849.22+310226.9 Mag 11.38 Spectral class B: (blue-white)
PmRA 2.00 PmDE -8.0 HIP 100141 Tycho2 2672-00768-1
HD 334032
Tycho2
Tycho2 2672-00768-1 Pflag RAmdeg 304.70509385 DEmdeg 31.04079241
PmRA 2.2 PmDE -8.2 E RAmdeg 49 E DEmdeg 45
E pmRA 2.0 E pmDE 2.0 EpRAm 1984.57 EpDEm 1985.38
Num 4 Q RAmdeg 1.2 Q DEmdeg 0.5 Q pmRA 1.2
Q pmDE 0.5 BTmag 11.964 E BTmag 0.085 VTmag 11.382
E VTmag 0.077 Prox 18 TYC T HIP 100141
CCDM A RAdeg 304.70508778 DEdeg 31.04081139 EpRA 1990 1.65
EpDE 1990 1.70 E RAdeg 51.1 E DEdeg 46.9 Posflg
Corr 0.2
Hipparcos
Catalog H HIP 100141 Proxy H RAhms 20 18 49.22
DEdms +31 02 27.0 Vmag 11.32 VarFlag R Vmag G
RAdeg 304.705 DEdeg 31.0408 AstroRef A Plx -0.57
CCDM 20188+3102 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual D M HIP AB
Theta 294 Rho 1.687 HD BD
CD CP Dm number VIred 0.57
SpType B... R SpType Coord arcsec 2000 201849.22+310227.0
Hipparcos 2
HIP 100141 Sn 15 So 3 Nc 2
RArad 5.3181066377 DErad 0.5417646854 Plx 2.32 PmRA -2.46
PmDE -4.13 E RArad 1.46 E DErad 1.72 E Plx 2.49
E pmRA 1.73 E pmDE 1.74 Hpmag 11.4415 E Hpmag 0.0051
SHp 0.049 VA 0 BV 0.5 E BV 0.04
VI 0.57
CCDM
Ccdm 20188+3102 RComp Comp A Note1
Note2 Discov num DRAs 1.22 DDEs 26.9
R dRAs 82 Year Theta Rho
Obs 2 Vmag 11.6 Sp B. PmNote *
PmRA -2 PmDE -5 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 100141
 
 
20188+3102 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 201849.12+310227.6 Mag 13.77 Spectral class K: (yellow-orange)
PmRA -2.00 PmDE -6.0 Calc delta mag 2.39 Calc coord yes
CCDM
Ccdm 20188+3102 RComp Comp B Note1
Note2 Discov num HDS DRAs 1.09 DDEs 27.6
R dRAs 82 Year 1991 Theta 294 Rho 1.7
Obs 1 Vmag 13.8 Sp PmNote *
PmRA -2 PmDE -5 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 100141