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Current system
20177+4030
HDS 2897
HD 193246


Nearby doubles
8' : 20184+4033
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A 390

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MLB1013

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TDT2193

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TDT2118

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HJ 2951AB

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BKO 822

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TDT2199

40' : 20199+4000
MLB1015

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MLB1014

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TDT2113

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TDT2104

50' : 20137+4050
DOO 13

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STF2663AB

51' : 20138+4055
TDT2106



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20177+4030 HDS 2897 (HD 193246)

 
 
20h 17m 44.44s +40° 30' 24.7" P.A. 273.00 sep 0.3 mag 8.46,10.76 Sp G5 dist. 273.22 pc (891.24 l.y.)
 
 
Coord 2000 20177+4030 Discov num HDS2897 Comp Coord arcsec 2000 20 17 44.44 +40 30 24.7
Date first 1991 Date last 2012 Obs 7
Pa first 256 Pa last 273 P.A. Now (θ) 273°
Sep first 0.3 Sep last 0.266 Sep. Now (ρ) 0.266"
Mag pri 8.46 Mag sec 10.76 delta mag (ΔM) 2.3 Spectral class G5 (yellow)
Pri motion ra +011 Sec motion ra
Pri motion dec +001 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 193246 Constellation Cygnus SAO 49432 HIP 100037
Tycho2 3155-01552-1 Gaia DR2 2062339808314219392 HD 193246 BD BD+40 4098
Distance 273.22 Distance ly 891.24
 
 
WDS 20177+4030 HDS 2897 (HD 193246) : 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
20177+4030 HDS2897 1991 1 256 0.3 8.46 10.76 G5 D 201744.44+403024.7
20177+4030 HDS2897 2009 2 269 0.3 8.46 10.76 G5 D 201744.44+403024.7
20177+4030 HDS2897 2010 3 275 0.3 8.46 10.76 G5 D 201744.44+403024.7
20177+4030 HDS2897 2012 6 273 0.3 8.46 10.76 G5 201744.44+403024.7

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

 
 
WDS 20177+4030 HDS 2897 (HD 193246) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20177+4030 HDS 2897 (HD 193246) : MEASURES
 
 
No records found.

 
 
WDS 20177+4030 (HD 193246) : VIRTUAL EYEPIECE
 
 

20177+4030 HDS2897A mag 8.46 Sp G5 20177+4030 HDS2897B sep 0.2 P.A. 273.90 mag 10.76 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20177+4030 (HD 193246) : ALADIN DSS IMAGE @ 20h 17m 44.44s +40° 30' 24.7"
 
 
 
 
WDS 20177+4030 HDS 2897 (HD 193246) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20177+4030 HDS2897 distance=0' 20184+4033 ARN 49 distance=8' 20176+4020 BRT2259 distance=12' 20169+4022 BU 661AB distance=13' 20169+4022 BU 661AC distance=13' 20181+4044 STF2666CD distance=14' 20181+4044 CHR 96Aa,Ab distance=15' 20181+4044 STF2666AB distance=15' 20181+4044 STF2666AC distance=15' 20181+4044 TAR 5AD distance=15' 20170+4017 CNT 5 distance=16' 20158+4024 TDS1055 distance=23' 20155+4030 A 390 distance=27' 20163+4007 MLB1013 distance=29' 20204+4021 TDT2186 distance=32' 20207+4031 TDT2193 distance=34' 20148+4035 TDT2118 distance=34' 20178+3956 HJ 2951AB distance=35' 20178+3956 FOX9014AC distance=35' 20183+3953 BKO 822 distance=38' 20210+4041 TDT2199 distance=40' 20199+4000 MLB1015 distance=40' 20198+3958 MLB1014 distance=41' 20184+3950 A 1424 distance=42' 20144+4048 TDT2113 distance=43' 20203+3958 BRT2260 distance=44' 20197+4108 STTA205 distance=45' 20187+4113 COU2640 distance=45' 20189+3945 COU2537 distance=48' 20136+4040 TDT2104 distance=49' 20137+4050 DOO 13 distance=50' 20168+3942 STF2663AB distance=50' 20168+3942 CTT 21AC distance=50' 20168+3942 DAM1040AF distance=50' 20168+3942 DAM1040FG distance=50' 20138+4055 TDT2106 distance=51' 20221+4042 ES 1676 distance=51' 20133+4038 GRV 324 distance=52' 20181+4122 ES 1674 distance=52' 20185+4123 TDT2154 distance=54' 20222+4015 BU 665A,BC (Sadr) distance=54' 20222+4015 BU 665BC,D distance=54' 20222+4015 BU 665BC distance=54' 20167+3938 HO 590AB distance=55' 20167+3938 HO 590AC distance=55' 20192+3938 ES 2051 distance=56' 20151+4118 A 387CD distance=56' 20151+4118 A 387AB distance=56' 20151+4118 A 387AC distance=56' 20144+4112 TDT2112 distance=57' 20158+3937 ES 1974 distance=57' 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 20177+4030 HDS2897 273 0.3
Show 20184+4033 ARN 49 313 30.2 8
Show 20176+4020 BRT2259 29 1.4 12
Show 20169+4022 BU 661 AB 69 12.3 13
Show 20169+4022 BU 661 AC 217 111.7 13
Show 20181+4044 STF2666 CD 142 24.1 14
Show 20181+4044 CHR 96 Aa,Ab 151 0.1 15
Show 20181+4044 STF2666 AB 245 2.8 15
Show 20181+4044 STF2666 AC 207 34.0 15
Show 20181+4044 TAR 5 AD 181 49.6 15
Show 20170+4017 CNT 5 331 5.9 16
Show 20158+4024 TDS1055 163 0.9 23
Show 20155+4030 A 390 328 0.8 27
Show 20163+4007 MLB1013 160 4.0 29
Show 20204+4021 TDT2186 349 0.5 32
Show 20207+4031 TDT2193 288 1.2 34
Show 20148+4035 TDT2118 312 0.4 34
Show 20178+3956 HJ 2951 AB 125 10.8 35
Show 20178+3956 FOX9014 AC 61 24.4 35
Show 20183+3953 BKO 822 60 7.1 38
Show 20210+4041 TDT2199 122 0.8 40
Show 20199+4000 MLB1015 89 4.0 40
Show 20198+3958 MLB1014 241 7.6 41
Show 20184+3950 A 1424 46 1.1 42
Show 20144+4048 TDT2113 181 0.5 43
Show 20203+3958 BRT2260 9 3.2 44
Show 20197+4108 STTA205 321 45.5 45
Show 20187+4113 COU2640 265 0.5 45
Show 20189+3945 COU2537 295 0.8 48
Show 20136+4040 TDT2104 161 0.9 49
Show 20137+4050 DOO 13 258 3.0 50
Show 20168+3942 STF2663 AB 322 5.4 50
Show 20168+3942 CTT 21 AC 188 103.0 50
Show 20168+3942 DAM1040 AF 123 22.3 50
Show 20168+3942 DAM1040 FG 225 3.5 50
Show 20138+4055 TDT2106 358 0.5 51
Show 20221+4042 ES 1676 285 2.4 51
Show 20133+4038 GRV 324 252 7.7 52
Show 20181+4122 ES 1674 125 4.9 52
Show 20185+4123 TDT2154 311 0.5 54
Show Sadr 20222+4015 BU 665 A,BC 197 147.1 54
Show 20222+4015 BU 665 BC,D 131 41.0 54
Show 20222+4015 BU 665 BC 302 1.9 54
Show 20167+3938 HO 590 AB 207 3.5 55
Show 20167+3938 HO 590 AC 88 25.9 55
Show 20192+3938 ES 2051 306 4.9 56
Show 20151+4118 A 387 CD 19 9.0 56
Show 20151+4118 A 387 AB 151 5.1 56
Show 20151+4118 A 387 AC 222 21.6 56
Show 20144+4112 TDT2112 64 0.6 57
Show 20158+3937 ES 1974 160 2.9 57

 
 
WDS 20177+4030 : COMPONENTS
 
 
  A
B pa=273.9°
sep=0.20"
 
 
20177+4030 A
 
 
Componente originario normalizzato AB Name HD 193246 Coord arcsec 2000 201744.44+403024.7 Mag 8.46
Spectral class G5 (yellow) PmRA 11.00 PmDE 1.0 SAO 49432
HIP 100037 Tycho2 3155-01552-1 HD 193246 BD BD+40 4098
Tycho2
Tycho2 3155-01552-1 Pflag RAmdeg 304.43521730 DEmdeg 40.50686244
PmRA 12.8 PmDE 1.0 E RAmdeg 6 E DEmdeg 7
E pmRA 1.0 E pmDE 1.1 EpRAm 1990.94 EpDEm 1990.86
Num 11 Q RAmdeg 0.7 Q DEmdeg 0.7 Q pmRA 0.8
Q pmDE 0.7 BTmag 8.811 E BTmag 0.017 VTmag 8.286
E VTmag 0.012 Prox 999 TYC T HIP 100037
CCDM AB RAdeg 304.43517806 DEdeg 40.50686028 EpRA 1990 1.61
EpDE 1990 1.60 E RAdeg 6.4 E DEdeg 6.5 Posflg P
Corr -0.1
SAO
SAO 49432 DelFlag RA1950 PmRA1950 0.0028
DE1950 PmDE1950 0.015 Vmag 8.4 SpType G5
Double code Source 4 CatNum 2003 DM BD+40 4098
DMcomp BDsup HD 193246 M HD 0
GC RA1950rad 5.30563521 DE1950rad 0.70424801 PmRA2000 0.0031
PmDE2000 0.013
Hipparcos
Catalog H HIP 100037 Proxy H RAhms 20 17 44.44
DEdms +40 30 24.7 Vmag 8.23 VarFlag R Vmag H
RAdeg 304.435 DEdeg 40.5069 AstroRef A Plx 4.44
CCDM 20177+4030 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 256 Rho 0.31 HD 193246 BD BD+40 4098
CD CP Dm number +40 4098 VIred 0.55
SpType G5 R SpType Coord arcsec 2000 201744.44+403024.7
Hipparcos 2
HIP 100037 Sn 15 So 3 Nc 2
RArad 5.3133963473 DErad 0.7069781785 Plx 3.66 PmRA 11.13
PmDE 1.82 E RArad 0.55 E DErad 0.58 E Plx 0.72
E pmRA 0.62 E pmDE 0.61 Hpmag 8.338 E Hpmag 0.0015
SHp 0.013 VA 0 BV 0.478 E BV 0.014
VI 0.55
CCDM
Ccdm 20177+4030 RComp Comp A Note1
Note2 Discov num DRAs 2.45 DDEs 24.7
R dRAs 82 Year Theta Rho
Obs 2 Vmag 8.5 Sp G5 PmNote *
PmRA 11 PmDE 1 Dm number +40 4098 Cat1 BD
Name2 +40 2003 Cat2 AGK2/3 HD 193246 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 100037
 
 
20177+4030 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 201744.42+403024.7 Mag 10.76 Calc delta mag 2.3
Calc coord yes
CCDM
Ccdm 20177+4030 RComp Comp B Note1
Note2 Discov num HDS DRAs 2.43 DDEs 24.6
R dRAs 82 Year 1991 Theta 256 Rho 0.3
Obs 1 Vmag 10.8 Sp PmNote *
PmRA 11 PmDE 1 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 100037