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Doubles in session


Current system
20230+2020
HDS 2911
HD 194072


Nearby doubles
4' : 20228+2023
J 3081

4' : 20227+2023
J 3080

16' : 20224+2006
BUP9009

33' : 20231+2052
A 288

44' : 20209+1948
HJ 2954AB

50' : 20244+1935
STF2679AB

54' : 20216+1930
COU 327AB

56' : 20222+2116
BRT2470

57' : 20195+1954
J 836

59' : 20193+2047
TDT2166AB

63' : 20187+2001
HDS2901

63' : 20232+2122
LDS1041

67' : 20267+1940
GWP2949

68' : 20272+2049
BRT2476

69' : 20190+2058
KPP1850

69' : 20183+2002
HJ 912AB

74' : 20196+1925
BRT2525

74' : 20243+1909
HU 361

74' : 20177+2025
J 2308AB

80' : 20190+2117
GRV 329

81' : 20278+1935
TDT2296

82' : 20173+2009
J 3071

85' : 20178+1944
J 3072

86' : 20205+2137
TDT2190

86' : 20190+2121
J 3074

91' : 20190+2131
J 554



Selections
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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.

20230+2020 HDS 2911 (HD 194072)

 
 
20h 22m 58.67s +20° 19' 44.1" P.A. 333.00 sep 0.4 mag 8.02,11.53 Sp G5 dist. 182.15 pc (594.17 l.y.)
 
 
Coord 2000 20230+2020 Discov num HDS2911 Comp Coord arcsec 2000 20 22 58.67 +20 19 44.1
Date first 1991 Date last 2011 Obs 2
Pa first 338 Pa last 332.5 P.A. Now (θ) 332.5°
Sep first 0.3 Sep last 0.384 Sep. Now (ρ) 0.384"
Mag pri 8.02 Mag sec 11.53 delta mag (ΔM) 3.51 Spectral class G5 (yellow)
Pri motion ra +028 Sec motion ra
Pri motion dec +013 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 194072 Constellation Delphinus SAO 88607 HIP 100519
Tycho2 1639-01518-1 Gaia DR2 1816939258352231808 HD 194072 BD BD+19 4391
Distance 182.15 Distance ly 594.17
 
 
WDS 20230+2020 HDS 2911 (HD 194072) : 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
20230+2020 HDS2911 1991 1 338 0.3 8.02 11.53 G5 202258.67+201944.1
20230+2020 HDS2911 2011 2 333 0.4 8.02 11.53 G5 202258.67+201944.1

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

 
 
WDS 20230+2020 HDS 2911 (HD 194072) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20230+2020 HDS 2911 (HD 194072) : MEASURES
 
 
No records found.

 
 
WDS 20230+2020 (HD 194072) : VIRTUAL EYEPIECE
 
 

20230+2020 HDS2911A mag 8.02 Sp G5 20230+2020 HDS2911B sep 0.4 P.A. 334.00 mag 11.53 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 20230+2020 (HD 194072) : ALADIN DSS IMAGE @ 20h 22m 58.67s +20° 19' 44.1"
 
 
 
 
WDS 20230+2020 HDS 2911 (HD 194072) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20230+2020 HDS2911 distance=1' 20228+2023 J 3081 distance=4' 20227+2023 J 3080 distance=4' 20224+2006 BUP9009 distance=16' 20231+2052 A 288 distance=33' 20209+1948 HJ 2954BC distance=44' 20209+1948 HJ 2954AB distance=44' 20244+1935 STF2679AB distance=50' 20244+1935 STF2679AC distance=50' 20216+1930 COU 327AB distance=54' 20216+1930 COU 327AB,C distance=54' 20222+2116 BRT2470 distance=56' 20195+1954 J 836 distance=57' 20193+2047 TDT2166AB distance=59' 20187+2001 HDS2901 distance=63' 20232+2122 LDS1041 distance=63' 20267+1940 GWP2949 distance=67' 20272+2049 BRT2476 distance=68' 20190+2058 KPP1850 distance=69' 20183+2002 HJ 912AB distance=69' 20183+2002 HJ 912AC distance=69' 20196+1925 BRT2525 distance=74' 20243+1909 HU 361 distance=74' 20177+2025 COU 219Aa,Ab distance=74' 20177+2025 J 2308AB distance=74' 20177+2025 J 2308AC distance=74' 20177+2025 BTG 4AD distance=74' 20177+2025 BTG 4AE distance=74' 20177+2025 J 2308BC distance=75' 20190+2117 GRV 329 distance=80' 20278+1935 TDT2296 distance=81' 20173+2009 J 3071 distance=82' 20178+1944 J 3072 distance=85' 20205+2137 TDT2190 distance=86' 20190+2121 J 3074 distance=86' 20190+2131 J 554 distance=91' 20284+2110 GRV 342 distance=92' 20163+2033 HDS2888 distance=95' 20231+1844 LDS5905 distance=96' 20178+1917 TDT2146 distance=97' 20241+2156 HDS2915 distance=98' 20186+1905 J 835 distance=101' 20188+2142 A 285 distance=101' 20200+1848 HU 359 distance=101' 20184+2137 ARG 90AB distance=101' 20184+2137 DAM 292AC distance=101' 20167+1925 GCB 52 distance=105' 20237+2203 BRT2471 distance=105' 20196+2154 COU 220 distance=106' 20156+1958 ROE 101AB distance=106' 20156+1958 ROE 101AC distance=106' 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 20230+2020 HDS2911 333 0.4 1
Show 20228+2023 J 3081 6.2 4
Show 20227+2023 J 3080 292 7.4 4
Show 20224+2006 BUP9009 47.1 16
Show 20231+2052 A 288 296 0.2 33
Show 20209+1948 HJ 2954 BC 292 23.1 44
Show 20209+1948 HJ 2954 AB 303 3.1 44
Show 20244+1935 STF2679 AB 77 24.7 50
Show 20244+1935 STF2679 AC 150 38.6 50
Show 20216+1930 COU 327 AB 245 0.2 54
Show 20216+1930 COU 327 AB,C 132 4.1 54
Show 20222+2116 BRT2470 221 1.9 56
Show 20195+1954 J 836 251 3.0 57
Show 20193+2047 TDT2166 AB 20 2.5 59
Show 20187+2001 HDS2901 46 0.3 63
Show 20232+2122 LDS1041 134 6.0 63
Show 20267+1940 GWP2949 267 111.9 67
Show 20272+2049 BRT2476 77 5.6 68
Show 20190+2058 KPP1850 121 14.3 69
Show 20183+2002 HJ 912 AB 78 5.1 69
Show 20183+2002 HJ 912 AC 170 89.6 69
Show 20196+1925 BRT2525 60 1.9 74
Show 20243+1909 HU 361 198 0.6 74
Show 20177+2025 COU 219 Aa,Ab 109 0.4 74
Show 20177+2025 J 2308 AB 283 37.0 74
Show 20177+2025 J 2308 AC 284 42.5 74
Show 20177+2025 BTG 4 AD 170 33.8 74
Show 20177+2025 BTG 4 AE 267 28.9 74
Show 20177+2025 J 2308 BC 297 5.7 75
Show 20190+2117 GRV 329 339 66.7 80
Show 20278+1935 TDT2296 359 1.6 81
Show 20173+2009 J 3071 219 6.1 82
Show 20178+1944 J 3072 91 5.8 85
Show 20205+2137 TDT2190 9 0.7 86
Show 20190+2121 J 3074 331 7.8 86
Show 20190+2131 J 554 217 5.9 91
Show 20284+2110 GRV 342 97 37.2 92
Show 20163+2033 HDS2888 283 0.6 95
Show 20231+1844 LDS5905 116 3.5 96
Show 20178+1917 TDT2146 307 0.7 97
Show 20241+2156 HDS2915 343 1.3 98
Show 20186+1905 J 835 45 3.4 101
Show 20188+2142 A 285 296 3.3 101
Show 20200+1848 HU 359 179 0.2 101
Show 20184+2137 ARG 90 AB 73 12.8 101
Show 20184+2137 DAM 292 AC 115 16.7 101
Show 20167+1925 GCB 52 53 4.3 105
Show 20237+2203 BRT2471 192 4.6 105
Show 20196+2154 COU 220 118 1.8 106
Show 20156+1958 ROE 101 AB 53 12.7 106
Show 20156+1958 ROE 101 AC 187 40.9 106

 
 
WDS 20230+2020 : COMPONENTS
 
 
  A
B pa=334.0°
sep=0.38"
 
 
20230+2020 A
 
 
Componente originario normalizzato AB Name HD 194072 Coord arcsec 2000 202258.67+201944.1 Mag 8.02
Spectral class G5 (yellow) PmRA 28.00 PmDE 13.0 SAO 88607
HIP 100519 Tycho2 1639-01518-1 HD 194072 BD BD+19 4391
Tycho2
Tycho2 1639-01518-1 Pflag RAmdeg 305.74454109 DEmdeg 20.32895995
PmRA 28.4 PmDE 11.8 E RAmdeg 7 E DEmdeg 7
E pmRA 1.1 E pmDE 1.0 EpRAm 1990.96 EpDEm 1990.84
Num 12 Q RAmdeg 1.0 Q DEmdeg 1.0 Q pmRA 1.0
Q pmDE 1.1 BTmag 8.506 E BTmag 0.017 VTmag 7.939
E VTmag 0.013 Prox 999 TYC T HIP 100519
CCDM AB RAdeg 305.74447083 DEdeg 20.32893278 EpRA 1990 1.65
EpDE 1990 1.56 E RAdeg 6.5 E DEdeg 7.1 Posflg P
Corr 0.1
SAO
SAO 88607 DelFlag RA1950 PmRA1950 0.0024
DE1950 PmDE1950 0.005 Vmag 8 SpType G5
Double code Source 28 CatNum 8147 DM BD+19 4391
DMcomp BDsup HD 194072 M HD 0
GC RA1950rad 5.32651734 DE1950rad 0.3519837 PmRA2000 0.0025
PmDE2000 0.003
Hipparcos
Catalog H HIP 100519 Proxy H RAhms 20 22 58.67
DEdms +20 19 44.1 Vmag 7.86 VarFlag R Vmag H
RAdeg 305.744 DEdeg 20.3289 AstroRef A Plx 6.56
CCDM 20230+2020 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual C M HIP AB
Theta 338 Rho 0.339 HD 194072 BD BD+19 4391
CD CP Dm number +19 4391 VIred 0.63
SpType G5 R SpType Coord arcsec 2000 202258.67+201944.1
Hipparcos 2
HIP 100519 Sn 15 So 3 Nc 2
RArad 5.3362476779 DErad 0.3548067075 Plx 5.49 PmRA 27.4
PmDE 11.96 E RArad 0.63 E DErad 0.7 E Plx 0.89
E pmRA 0.79 E pmDE 0.86 Hpmag 7.9736 E Hpmag 0.0021
SHp 0.013 VA 0 BV 0.515 E BV 0.014
VI 0.59
CCDM
Ccdm 20230+2020 RComp Comp A Note1
Note2 Discov num DRAs -1.30 DDEs -15.7
R dRAs 82 Year Theta Rho
Obs 2 Vmag 8.0 Sp G5 PmNote *
PmRA 28 PmDE 13 Dm number +19 4391 Cat1 BD
Name2 +20 2249 Cat2 AGK2/3 HD 194072 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 100519
 
 
20230+2020 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 202258.66+201944.4 Mag 11.53 Calc delta mag 3.51
Calc coord yes
CCDM
Ccdm 20230+2020 RComp Comp B Note1
Note2 Discov num HDS DRAs -1.32 DDEs -15.4
R dRAs 82 Year 1991 Theta 338 Rho 0.3
Obs 1 Vmag 11.5 Sp PmNote *
PmRA 28 PmDE 13 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 100519