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Current system
19206-0740
LDS 678 AB


Nearby doubles
24' : 19222-0735
A 102AB

31' : 19215-0807
J 2265

38' : 19231-0733
TDT1411

46' : 19227-0708
STF2503

50' : 19236-0801
TDT1419

51' : 19172-0741
KPP1697

54' : 19183-0658
RST4626

56' : 19206-0645
HDS2735AB

59' : 19176-0700
J 2691

60' : 19231-0653
RST4627

61' : 19170-0713
BRT 492

61' : 19201-0640
TDT1381

62' : 19173-0817
TDT1353

63' : 19200-0638
STF2494

65' : 19243-0813
TDT1430

67' : 19161-0736
GWP2830AB

68' : 19185-0640
DAM 150

73' : 19184-0641
J 2260

73' : 19181-0638
DAM 148AB

74' : 19182-0636
DAM 149

74' : 19179-0638
DAM 147

77' : 19233-0635
HDS2745AB

77' : 19154-0737
RST4625

77' : 19240-0837
TDT1424

85' : 19229-0849
J 2545

86' : 19238-0851
DAM 154



Selections
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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.

19206-0740 LDS 678 AB

 
 
19h 20m 34.93s -07° 40' 00.1" P.A. 305.00 sep 27.3 mag 12.30,11.70 Sp DBQA5+M5V dist. 10.95 pc (35.72 l.y.)
 
 
Coord 2000 19206-0740 Discov num LDS 678 Comp AB Coord arcsec 2000 19 20 34.93 -07 40 00.1
Date first 1892 Date last 2019 Obs 18
Pa first 310 Pa last 305.2 P.A. Now (θ) 305.2°
Sep first 27.5 Sep last 27.277 Sep. Now (ρ) 27.277"
Mag pri 12.30 Mag sec 11.70 delta mag (ΔM) 0.6 Spectral class DBQA5+M5V (white dwarf/red)
Pri motion ra -061 Sec motion ra -061
Pri motion dec -163 Sec motion dec -163
Notes N V (See Notes, Proper motion indicates physical)
This double is physical.
 
 
19206-0740 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 19 20 35 -07 40 00 LDS 678 AB 2019 18 305 27.3 12.30 11.70 0.60 <===
Show 19 20 33 -07 39 44 WRH 31 BC 2019 10 112 3.8 11.70 12.30 0.60
Show 19 20 33 -07 39 44 LMP 41 BD 2015 6 321 21.2 11.70 15.94 4.24
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquila HIP 95071 Tycho2 5709-00698-1 Gaia DR2 4201781696994073472
GL Gl 754.1A Distance 10.95 Distance ly 35.72
 
 
WDS 19206-0740 LDS 678 AB : NOTES
 
 
discov_num notes refcode
LDS 678 A is a white dwarf. B is variable.
AB: NLTT 47693/47691 Chm2004
AB: GJ 9653. Far2005b
 
 
REFERENCES
 
 
refcode metd author reference
Chm2004 E - Chaname, J. & Gould, A. 2004ApJ...601..289C
Chm2004 ApJ 601, 289, 2004
Chm2004 (Photometry, coordinates, and astrometry from rNLTT. Astrometry from early
Chm2004 versions of 2MASS and UCAC, with date given only as "circa 2000". Measures
Chm2004 identical to discovery observations - predominantly close pairs - were assumed
Chm2004 not new observations, so not included in WDS. Similar concerns when primary and
Chm2004 secondary magnitudes or proper motions were the same.)
Far2005b C+ - Farihi, J., Becklin, E.E., & Zuckerman, B. 2005ApJS..161..394F
Far2005b +E2 ApJS 161, 394, 2005
 
 
DISCOVERER
 
 
idgroup discov author
1 LDS Luyten p.m. catalog (from additional DD list)
1 LMP Lampens, P. & Strigachev, A.
21 WRH Wilson, R.H.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19206-0740 LDS 678 AB 2000 9 303 27.2 12.28 12.90 N D 192034.93-074000.1
19206-0740 LDS 678 AB 2009 12 307 26.8 12.28 12.90 dM5 DAwk N D 192034.93-074000.1
19206-0740 LDS 678 AB 2013 14 306 27.2 12.28 12.90 M2.5+DBQA N 192034.93-074000.1
19206-0740 LDS 678 AB 2015 14 306 27.2 12.30 11.70 DBQA5+M5V NV 192034.93-074000.1
19206-0740 LDS 678 AB 2019 17 306 27.3 12.30 11.70 DBQA5+M5V NV 192034.93-074000.1

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

 
 
WDS 19206-0740 LDS 678 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19206-0740 LDS 678 AB : MEASURES
 
 
No records found.

 
 
WDS 19206-0740 : VIRTUAL EYEPIECE
 
 

19206-0740 LDS 678A mag 12.3 Sp DBQA5 19206-0740 WRH 31B sep 27.4 P.A. 307.10 mag 11.7 Sp M5V 19206-0740 WRH 31C sep 23.8 P.A. 309.40 mag 12.3 19206-0740 LMP 41D sep 48.1 P.A. 313.40 mag 15.94 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 19206-0740 : ALADIN DSS IMAGE @ 19h 20m 34.93s -07° 40' 00.1"
 
 
 
 
WDS 19206-0740 LDS 678 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19206-0740 LDS 678AB distance=1' 19206-0740 WRH 31BC distance=1' 19206-0740 LMP 41BD distance=1' 19222-0735 A 102AB distance=24' 19222-0735 HO 104AB,C distance=24' 19215-0807 J 2265 distance=31' 19231-0733 TDT1411 distance=38' 19227-0708 STF2503 distance=46' 19236-0801 TDT1419 distance=50' 19172-0741 KPP1697 distance=51' 19183-0658 RST4626 distance=54' 19206-0645 HDS2735AB distance=56' 19206-0645 TOK 432AC distance=56' 19176-0700 J 2691 distance=59' 19231-0653 RST4627 distance=60' 19170-0713 BRT 492 distance=61' 19201-0640 TDT1381 distance=61' 19173-0817 TDT1353 distance=62' 19200-0638 STF2494 distance=63' 19243-0813 TDT1430 distance=65' 19161-0736 GWP2830AB distance=67' 19185-0640 DAM 150 distance=68' 19184-0641 J 2260 distance=73' 19181-0638 DAM 148AB distance=73' 19181-0638 DAM 148AC distance=73' 19182-0636 DAM 149 distance=74' 19179-0638 DAM 147 distance=74' 19233-0635 HDS2745AB distance=77' 19233-0635 GII 282Aa,Ab distance=77' 19154-0737 RST4625 distance=77' 19240-0837 TDT1424 distance=77' 19229-0849 J 2545 distance=85' 19238-0851 DAM 154 distance=86' 19230-0849 J 2546 distance=86' 19263-0759 GWP2853 distance=88' 19157-0830 DAM 146 distance=89' 19152-0824 J 536 distance=92' 19153-0830 DAM 145 distance=93' 19227-0612 JNN 123 distance=94' 19234-0905 TDT1413 distance=95' 19205-0603 A 101 distance=97' 19233-0910 RST4039BC distance=98' 19233-0910 RST4039AB distance=98' 19233-0910 RST4039AC distance=98' 19200-0919 NSN 145 distance=100' 19200-0925 GWP2838 distance=106' 19267-0638 RST4629 distance=110' 19136-0824 J 535 distance=113' 19143-0843 A 98BC distance=113' 19143-0843 A 98AB distance=114' 19143-0843 A 98A,BC distance=114' 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 19206-0740 LDS 678 AB 305 27.3 1
Show 19206-0740 WRH 31 BC 112 3.8 1
Show 19206-0740 LMP 41 BD 321 21.2 1
Show 19222-0735 A 102 AB 270 0.2 24
Show 19222-0735 HO 104 AB,C 123 5.5 24
Show 19215-0807 J 2265 278 3.5 31
Show 19231-0733 TDT1411 84 0.5 38
Show 19227-0708 STF2503 285 2.4 46
Show 19236-0801 TDT1419 95 0.6 50
Show 19172-0741 KPP1697 196 13.1 51
Show 19183-0658 RST4626 248 2.4 54
Show 19206-0645 HDS2735 AB 345 0.1 56
Show 19206-0645 TOK 432 AC 57 1.0 56
Show 19176-0700 J 2691 11 3.2 59
Show 19231-0653 RST4627 197 0.7 60
Show 19170-0713 BRT 492 189 5.4 61
Show 19201-0640 TDT1381 177 2.4 61
Show 19173-0817 TDT1353 116 1.0 62
Show 19200-0638 STF2494 89 25.7 63
Show 19243-0813 TDT1430 282 0.4 65
Show 19161-0736 GWP2830 AB 275 200.5 67
Show 19185-0640 DAM 150 33 9.5 68
Show 19184-0641 J 2260 225 4.1 73
Show 19181-0638 DAM 148 AB 333 6.0 73
Show 19181-0638 DAM 148 AC 229 5.6 73
Show 19182-0636 DAM 149 279 7.7 74
Show 19179-0638 DAM 147 25 8.0 74
Show 19233-0635 HDS2745 AB 10 1.3 77
Show 19233-0635 GII 282 Aa,Ab 121 0.1 77
Show 19154-0737 RST4625 156 0.7 77
Show 19240-0837 TDT1424 70 9.0 77
Show 19229-0849 J 2545 337 5.9 85
Show 19238-0851 DAM 154 334 7.2 86
Show 19230-0849 J 2546 350 3.2 86
Show 19263-0759 GWP2853 61 17.3 88
Show 19157-0830 DAM 146 352 5.0 89
Show 19152-0824 J 536 266 6.3 92
Show 19153-0830 DAM 145 286 5.8 93
Show 19227-0612 JNN 123 80 0.1 94
Show 19234-0905 TDT1413 100 1.5 95
Show 19205-0603 A 101 36 3.5 97
Show 19233-0910 RST4039 BC 193 5.8 98
Show 19233-0910 RST4039 AB 46 1.2 98
Show 19233-0910 RST4039 AC 213 4.6 98
Show 19200-0919 NSN 145 57 5.2 100
Show 19200-0925 GWP2838 226 205.2 106
Show 19267-0638 RST4629 90 0.7 110
Show 19136-0824 J 535 318 4.3 113
Show 19143-0843 A 98 BC 56 1.5 113
Show 19143-0843 A 98 AB 128 22.5 114
Show 19143-0843 A 98 A,BC 130 22.4 114

 
 
WDS 19206-0740 : COMPONENTS
 
 
  A B C
B pa=307.1°
sep=27.38"
 
C pa=309.4°
sep=23.81"
pa=111.8°
sep=3.72"
 
D pa=313.4°
sep=48.13"
pa=321.7°
sep=21.14"
pa=317.3°
sep=24.44"
 
 
19206-0740 A
 
 
Coord arcsec 2000 192034.93-074000.1 Mag 12.3 Spectral class DBQA5 (white dwarf) PmRA -61.00
PmDE -163.0 HIP 95071 Tycho2 5709-00698-1
Tycho2
Tycho2 5709-00698-1 Pflag RAmdeg 290.14550730 DEmdeg -7.66672053
PmRA -61.2 PmDE -162.8 E RAmdeg 57 E DEmdeg 73
E pmRA 2.5 E pmDE 2.7 EpRAm 1984.79 EpDEm 1981.92
Num 4 Q RAmdeg 0.4 Q DEmdeg 1.1 Q pmRA 0.4
Q pmDE 1.1 BTmag 12.422 E BTmag 0.193 VTmag 13.098
E VTmag 0.325 Prox 999 TYC HIP 95071
CCDM RAdeg 290.14563972 DEdeg -7.66630917 EpRA 1990 1.78
EpDE 1990 1.75 E RAdeg 99.7 E DEdeg 124.7 Posflg
Corr -0.1
Hipparcos
Catalog H HIP 95071 Proxy RAhms 19 20 34.96
DEdms -07 39 58.6 Vmag 12.28 VarFlag 2 R Vmag G
RAdeg 290.146 DEdeg -7.66629 AstroRef Plx 89.08
CCDM 19206-0740 N CCDM I Nsys 1 Ncomp 1
MultFlag X Source Qual M HIP
Theta Rho HD BD
CD CP Dm number VIred 0.08
SpType DAw... R SpType Coord arcsec 2000 192034.96-073958.6
Hipparcos 2
HIP 95071 Sn 1 So 2 Nc 1
RArad 5.0639971378 DErad -0.1338020288 Plx 91.31 PmRA -60.87
PmDE -162.15 E RArad 3.44 E DErad 2.06 E Plx 4.02
E pmRA 4.03 E pmDE 2.64 Hpmag 12.3795 E Hpmag 0.0111
SHp 0.093 VA 2 BV 0.07 E BV 0.04
VI 0.08
CCDM
Ccdm 19206-0740 RComp Comp A Note1
Note2 Discov num DRAs -1.11 DDEs -2.1
R dRAs 66 Year Theta Rho
Obs 3 Vmag 12.5 Sp PmNote *
PmRA -62 PmDE -190 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 19152S0751A
HIC 95071
 
 
19206-0740 B
 
 
Coord arcsec 2000 192033.46-073943.6 Coord calc 192033.46-073943.6 Mag 11.7 Spectral class M5V (red)
PmRA -61.00 PmDE -163.0 Calc delta mag 0.6
CCDM
Ccdm 19206-0740 RComp Comp B Note1
Note2 Discov num LDS 678 DRAs -2.72 DDEs 12.5
R dRAs 66 Year Theta NP Rho 28.0
Obs 1 Vmag Sp PmNote
PmRA -62 PmDE -190 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 19152S0751B
HIC
 
 
19206-0740 C
 
 
Coord arcsec 2000 192033.69-073945.0 Mag 12.3 Calc coord yes
 
 
19206-0740 D
 
 
Coord arcsec 2000 192032.58-073927.0 Mag 15.94 PmRA -7.00 PmDE 10.0
Calc delta mag 3.64 Calc coord yes