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Doubles in session


Current system
20306+5817
LDS 1473
HD 195787


Nearby doubles
5' : 20311+5814
LDS1474

31' : 20309+5747
TDT2333

34' : 20303+5851
STI2538

41' : 20356+5808
A 741AB

52' : 20242+5807
A 729AB

53' : 20268+5900
HJ 1522

58' : 20280+5723
MLR 641

64' : 20312+5714
A 872

66' : 20389+5820
TDT2449

67' : 20251+5727
MLB 84

68' : 20330+5922
TDT2359

68' : 20231+5745
STI2523

69' : 20330+5712
A 739

69' : 20286+5924
ADP 6

70' : 20227+5850
HJ 2965

76' : 20335+5929
STI 988

76' : 20354+5712
TDT2399

77' : 20343+5707
STI2541

77' : 20293+5932
ES 1759AB

79' : 20398+5844
MLB 85

83' : 20289+5939
HJ 2978

83' : 20289+5655
STI2535AB

84' : 20298+5654
TDT2322

85' : 20312+5653
RAO 22

87' : 20305+5651
TDT2330

88' : 20313+5945
A 737



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

20306+5817 LDS 1473 (HD 195787)

 
 
20h 30m 34.58s +58° 17' 15.0" P.A. 219.00 sep 63.9 mag 7.73,12.34 Sp K0 dist. 119.62 pc (390.2 l.y.)
 
 
Coord 2000 20306+5817 Discov num LDS1473 Comp Coord arcsec 2000 20 30 34.58 +58 17 15.0
Date first 1904 Date last 2015 Obs 11
Pa first 220 Pa last 219.3 P.A. Now (θ) 219.3°
Sep first 62.4 Sep last 63.87 Sep. Now (ρ) 63.87"
Mag pri 7.73 Mag sec 12.34 delta mag (ΔM) 4.61 Spectral class K0 (yellow-orange)
Pri motion ra -029 Sec motion ra -031
Pri motion dec -113 Sec motion dec -127
Notes
rPM=0.108 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 195787 Constellation Cygnus SAO 32645 HIP 101184
Tycho2 3962-00632-1 Gaia DR2 2188328963083011968 HD 195787 BD BD+57 2207
Distance 119.62 Distance ly 390.2
 
 
WDS 20306+5817 LDS 1473 (HD 195787) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
LDS Luyten p.m. catalog (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
20306+5817 LDS1473 1999 3 219 64.0 10.00 14.80 K0 D 203034.58+581715.0
20306+5817 LDS1473 2009 4 219 65.4 10.00 14.80 K0 D 203034.58+581715.0
20306+5817 LDS1473 2010 6 219 63.9 7.73 12.34 K0 203034.58+581715.0
20306+5817 LDS1473 2015 7 219 63.9 7.73 12.34 K0 203034.58+581715.0

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

 
 
WDS 20306+5817 LDS 1473 (HD 195787) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20306+5817 LDS 1473 (HD 195787) : MEASURES
 
 
No records found.

 
 
WDS 20306+5817 (HD 195787) : VIRTUAL EYEPIECE
 
 

20306+5817 LDS1473A mag 7.73 Sp K0 20306+5817 LDS1473B sep 53.8 P.A. 203.30 mag 12.34 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 20306+5817 (HD 195787) : ALADIN DSS IMAGE @ 20h 30m 34.58s +58° 17' 15.0"
 
 
 
 
WDS 20306+5817 LDS 1473 (HD 195787) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20306+5817 LDS1473 distance=0' 20311+5814 LDS1474 distance=5' 20309+5747 TDT2333 distance=31' 20303+5851 STI2538 distance=34' 20356+5808 A 741AB distance=41' 20356+5808 A 741AC distance=41' 20242+5807 A 729AB distance=52' 20242+5807 A 729AC distance=52' 20268+5900 HJ 1522 distance=53' 20280+5723 MLR 641 distance=58' 20312+5714 A 872 distance=64' 20389+5820 TDT2449 distance=66' 20251+5727 MLB 84 distance=67' 20330+5922 TDT2359 distance=68' 20231+5745 STI2523 distance=68' 20330+5712 A 739 distance=69' 20286+5924 ADP 6 distance=69' 20227+5850 HJ 2965 distance=70' 20335+5929 STI 988 distance=76' 20354+5712 TDT2399 distance=76' 20343+5707 STI2541 distance=77' 20293+5932 ES 1759AB distance=77' 20293+5932 ES 1759AC distance=77' 20398+5844 MLB 85 distance=79' 20289+5939 HJ 2978 distance=83' 20289+5655 STI2535AB distance=83' 20289+5655 TOB 187AC distance=83' 20289+5655 TOB 187AD distance=83' 20298+5654 TDT2322 distance=84' 20312+5653 RAO 22 distance=85' 20305+5651 TDT2330 distance=87' 20313+5945 A 737 distance=88' 20406+5858 HJ 1569 distance=89' 20258+5938 TDT2261 distance=89' 20251+5936 A 730 distance=90' 20217+5717 TDT2204 distance=93' 20187+5823 TDT2157 distance=94' 20310+5953 HDS2933 distance=96' 20185+5840 HJ 2956 distance=97' 20416+5730 LDS1476AB distance=100' 20416+5730 OSO 130AC distance=100' 20226+5937 STI 972 distance=101' 20264+5638 STF2687 distance=105' 20354+5956 SHN 246 distance=105' 20400+5933 RAO 440 distance=106' 20232+5946 MLR 432 distance=106' 20423+5723 BU 152 distance=108' 20262+6001 STI 980 distance=109' 20252+6001 MLR 433 distance=112' 20412+5659 HJ 1570AB distance=116' 20412+5659 VBS 32AC distance=116' 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 20306+5817 LDS1473 219 63.9
Show 20311+5814 LDS1474 209 10.2 5
Show 20309+5747 TDT2333 138 2.4 31
Show 20303+5851 STI2538 333 12.1 34
Show 20356+5808 A 741 AB 157 1.3 41
Show 20356+5808 A 741 AC 211 19.8 41
Show 20242+5807 A 729 AB 252 2.8 52
Show 20242+5807 A 729 AC 69 36.4 52
Show 20268+5900 HJ 1522 88 22.6 53
Show 20280+5723 MLR 641 43 1.5 58
Show 20312+5714 A 872 178 0.2 64
Show 20389+5820 TDT2449 91 0.7 66
Show 20251+5727 MLB 84 156 7.9 67
Show 20330+5922 TDT2359 113 2.0 68
Show 20231+5745 STI2523 170 5.8 68
Show 20330+5712 A 739 195 4.6 69
Show 20286+5924 ADP 6 159 4.4 69
Show 20227+5850 HJ 2965 82 15.1 70
Show 20335+5929 STI 988 212 11.0 76
Show 20354+5712 TDT2399 4 0.5 76
Show 20343+5707 STI2541 205 10.6 77
Show 20293+5932 ES 1759 AB 211 2.6 77
Show 20293+5932 ES 1759 AC 308 5.1 77
Show 20398+5844 MLB 85 134 6.2 79
Show 20289+5939 HJ 2978 277 14.1 83
Show 20289+5655 STI2535 AB 227 13.6 83
Show 20289+5655 TOB 187 AC 132 26.9 83
Show 20289+5655 TOB 187 AD 189 31.2 83
Show 20298+5654 TDT2322 20 1.7 84
Show 20312+5653 RAO 22 152 0.2 85
Show 20305+5651 TDT2330 63 0.6 87
Show 20313+5945 A 737 65 1.5 88
Show 20406+5858 HJ 1569 306 3.9 89
Show 20258+5938 TDT2261 134 2.0 89
Show 20251+5936 A 730 282 0.2 90
Show 20217+5717 TDT2204 306 2.1 93
Show 20187+5823 TDT2157 37 0.8 94
Show 20310+5953 HDS2933 9 0.4 96
Show 20185+5840 HJ 2956 233 9.1 97
Show 20416+5730 LDS1476 AB 267 11.6 100
Show 20416+5730 OSO 130 AC 233 23.6 100
Show 20226+5937 STI 972 337 14.8 101
Show 20264+5638 STF2687 118 25.1 105
Show 20354+5956 SHN 246 -1 0.4 105
Show 20400+5933 RAO 440 123 3.1 106
Show 20232+5946 MLR 432 36 0.2 106
Show 20423+5723 BU 152 82 1.2 108
Show 20262+6001 STI 980 231 8.2 109
Show 20252+6001 MLR 433 160 0.3 112
Show 20412+5659 HJ 1570 AB 79 14.0 116
Show 20412+5659 VBS 32 AC 345 15.4 116

 
 
WDS 20306+5817 : COMPONENTS
 
 
  A
B pa=203.3°
sep=53.81"
 
 
20306+5817 A
 
 
Componente originario normalizzato AB Name HD 195787 Coord arcsec 2000 203034.58+581715.0 Mag 7.73
Spectral class K0 (yellow-orange) PmRA -29.00 PmDE -113.0 SAO 32645
HIP 101184 Tycho2 3962-00632-1 HD 195787 BD BD+57 2207
Tycho2
Tycho2 3962-00632-1 Pflag RAmdeg 307.64396110 DEmdeg 58.28722830
PmRA -26.5 PmDE -116.5 E RAmdeg 5 E DEmdeg 5
E pmRA 1.0 E pmDE 1.1 EpRAm 1991.12 EpDEm 1991.40
Num 14 Q RAmdeg 1.0 Q DEmdeg 0.8 Q pmRA 1.1
Q pmDE 0.8 BTmag 8.829 E BTmag 0.017 VTmag 7.729
E VTmag 0.011 Prox 999 TYC T HIP 101184
CCDM RAdeg 307.64407806 DEdeg 58.28749278 EpRA 1990 1.69
EpDE 1990 1.83 E RAdeg 5.3 E DEdeg 5.1 Posflg
Corr 0.1
SAO
SAO 32645 DelFlag RA1950 PmRA1950 -0.0028
DE1950 PmDE1950 -0.112 Vmag 7.5 SpType K0
Double code Source 38 CatNum 11431 DM BD+57 2207
DMcomp BDsup HD 195787 M HD 0
GC RA1950rad 5.3644444 DE1950rad 1.01437549 PmRA2000 -0.0022
PmDE2000 -0.115
Hipparcos
Catalog H HIP 101184 Proxy RAhms 20 30 34.58
DEdms +58 17 15.0 Vmag 7.63 VarFlag R Vmag H
RAdeg 307.644 DEdeg 58.2875 AstroRef Plx 8.35
CCDM 20305+5817 N CCDM I Nsys 1 Ncomp 1
MultFlag G Source Qual M HIP
Theta Rho HD 195787 BD BD+57 2207
CD CP Dm number +57 2207 VIred 0.94
SpType K0 R SpType Coord arcsec 2000 203034.58+581715.0
Hipparcos 2
HIP 101184 Sn 1 So 1 Nc 1
RArad 5.3694021817 DErad 1.0173089809 Plx 8.36 PmRA -29.14
PmDE -112.57 E RArad 0.65 E DErad 0.78 E Plx 0.77
E pmRA 0.7 E pmDE 0.7 Hpmag 7.7905 E Hpmag 0.001
SHp 0.009 VA 0 BV 0.944 E BV 0.01
VI 0.93
 
 
20306+5817 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 203031.88+581625.6 Mag 12.34 PmRA -31.00
PmDE -127.0 Calc delta mag 4.61 Calc coord yes