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Current system
18089-2528
WNO 21
V3792 Sgr


Nearby doubles
19' : 18076-2534
OCC1043

25' : 18106-2519
JKS 19

26' : 18092-2504
J 2196

28' : 18108-2520
TDT 725

34' : 18064-2525
RCH 6

39' : 18093-2607
B 379AB

41' : 18106-2602
HDS2563

44' : 18107-2454
J 1594

45' : 18057-2541
OCC1042

46' : 18057-2514
OCC1041AB

47' : 18056-2541
OCC1040

53' : 18052-2544
RCH 5AB

53' : 18095-2621
B 381

54' : 18051-2543
OCC1038

57' : 18094-2432
BRT3062

66' : 18119-2620
J 2198AB

66' : 18042-2544
RCH 4

66' : 18041-2540
OCC1037

66' : 18041-2523
OCC1036AB

67' : 18040-2529
HDO 148

71' : 18043-2603
J 1735

73' : 18036-2523
OCC1035

74' : 18034-2526
OCC1034

75' : 18141-2502
B 383

79' : 18031-2535
RCH 3

80' : 18128-2429
OCC 52



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.

18089-2528 WNO 21 (V3792 Sgr)

 
 
18h 08m 54.04s -25° 28' 23.0" P.A. 64.00 sep 13.5 mag 6.78,8.76 Sp B3III dist. 1149.43 pc (3749.44 l.y.)
 
 
Coord 2000 18089-2528 Discov num WNO  21 Comp Coord arcsec 2000 18 08 54.04 -25 28 23.0
Date first 1877 Date last 2018 Obs 15
Pa first 66 Pa last 64.3 P.A. Now (θ) 64.3°
Sep first 13.5 Sep last 13.484 Sep. Now (ρ) 13.484"
Mag pri 6.78 Mag sec 8.76 delta mag (ΔM) 1.98 Spectral class B3III (blue-white)
Pri motion ra +001 Sec motion ra -028
Pri motion dec -009 Sec motion dec -011
Notes N Y (See Notes, Parallax indicates components are non-physical)
rPM=0.966
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name V3792 Sgr Constellation Sagittarius SAO 186350 HIP 88905
Tycho2 6847-03001-1 Gaia DR2 4064914901966841728 HD 165814 HR 6773
GC 24719 CD CD-2512793 CP CP-25 6353 Distance 1149.43
Distance ly 3749.44
 
 
WDS 18089-2528 WNO 21 (V3792 Sgr) : NOTES
 
 
discov_num notes refcode
WNO 21 One component is a Beta Lyrae-type system, V3792 Sgr.
 
 
REFERENCES
 
 
refcode metd author reference
Wng1896A (Washington Naval Observatory. See also Mkr2008) 2008ApJ...687..566M
Wng1896A letters trailing each date on reference indicates different observers.
WNO1866a Ma j Eastman, J.R. .
WNO1866a Washington Observations, 1866
WNO1866b Ma j Tuttle, H.P., Paymaster, USN .
WNO1866b Washington Observations, 1866
WNO1868a Ma j Eastman, J.R. 1868AN.....70..383E
WNO1868a +T AN 70, 383, 1868
WNO1876c Ma j Watson, J.C. .
WNO1876c Washington Observations, 1876
WNO1876d Ma j Peters, C.H.F. .
WNO1876d Washington Observations, 1876
WNO1876h Ma - Watson, J.C. 1876AN.....88..131H
WNO1876h AN 88, 131, 1876
WNO1876i Ma - Peters, C.H.F. 1876AN.....88..131H
WNO1876i AN 88, 131, 1876
WNO1878a T j Eastman, J.R. 1878MNRAS.381..360E
WNO1878a MNRAS 38, 360, 1878
WNO1880g Ma - Esmatt, Ibrahim .
WNO1880g Washington Observations, 1880
WNO1885a T - Paul, H.M. & Eastman, J.R. .
WNO1885a Washington Observations, 2nd Transit Circle Cat.,1885
WNO1885a (rho, theta calculated from individual RA, DEC)
WNO1886f Ma - Allen, W.H. .
WNO1886f Washington Observations, 1886
WNO1887f Ma - Allen, W.H. .
WNO1887f Washington Observations, 1887
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18089-2528 WNO 21 2007 10 65 13.4 6.78 8.76 B3III NYD 180854.04-252823.0
18089-2528 WNO 21 2010 12 67 13.3 6.78 8.76 B3III NY 180854.04-252823.0
18089-2528 WNO 21 2016 13 64 13.6 6.78 8.76 B3III NY 180854.04-252823.0
18089-2528 WNO 21 2018 15 64 13.5 6.78 8.76 B3III NY 180854.04-252823.0

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

 
 
WDS 18089-2528 WNO 21 (V3792 Sgr) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18089-2528 WNO 21 (V3792 Sgr) : MEASURES
 
 
No records found.

 
 
WDS 18089-2528 (V3792 Sgr) : VIRTUAL EYEPIECE
 
 

18089-2528 WNO 21A mag 6.78 Sp B3III 18089-2528 WNO 21B sep 12.4 P.A. 61.90 mag 8.76 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18089-2528 (V3792 Sgr) : ALADIN DSS IMAGE @ 18h 08m 54.04s -25° 28' 23.0"
 
 
 
 
WDS 18089-2528 WNO 21 (V3792 Sgr) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18089-2528 WNO 21 distance=0' 18076-2534 OCC1043 distance=19' 18106-2519 JKS 19 distance=25' 18092-2504 J 2196 distance=26' 18108-2520 TDT 725 distance=28' 18064-2525 RCH 6 distance=34' 18093-2607 HDS2560Aa,Ab distance=39' 18093-2607 B 379AB distance=39' 18093-2607 B 379AC distance=39' 18106-2602 HDS2563 distance=41' 18107-2454 J 1594 distance=44' 18057-2541 OCC1042 distance=45' 18057-2514 OCC1041AB distance=46' 18057-2514 OCC1041AC distance=46' 18056-2541 OCC1040 distance=47' 18052-2544 RCH 5AB distance=53' 18052-2544 OCC1039Aa,Ab distance=53' 18095-2621 B 381 distance=53' 18051-2543 OCC1038 distance=54' 18094-2432 BRT3062 distance=57' 18119-2620 J 2198AB distance=66' 18119-2620 J 2198AC distance=66' 18042-2544 RCH 4 distance=66' 18041-2540 OCC1037 distance=66' 18041-2523 OCC1036AB distance=66' 18041-2523 OCC1036AC distance=66' 18040-2529 HDO 148 distance=67' 18043-2603 J 1735 distance=71' 18036-2523 OCC1035 distance=73' 18034-2526 OCC1034 distance=74' 18141-2502 B 383 distance=75' 18031-2535 RCH 3 distance=79' 18128-2429 OCC 52 distance=80' 18031-2545 RST3152 distance=81' 18029-2533 OCC1033AB distance=81' 18029-2533 OCC1033AC distance=81' 18099-2406 BAR 9AB distance=84' 18099-2406 HJ 5026AC distance=84' 18061-2412 B 376AB distance=86' 18061-2412 SNA 81Aa,Ab distance=86' 18061-2412 SNA 81AC distance=86' 18061-2412 SNA 81AD distance=86' 18025-2539 OCC1031 distance=87' 18027-2550 OCC1032 distance=87' 18151-2503 B 2860A,BC distance=88' 18151-2503 B 2860BC distance=89' 18047-2421 HJ 5010 distance=89' 18044-2423 RBR 8 distance=90' 18107-2655 RSS 476 distance=91' 18044-2421 TDT 662 distance=92' 18024-2556 OCC1030 distance=92' 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 18089-2528 WNO 21 64 13.5
Show 18076-2534 OCC1043 -1 0.0 19
Show 18106-2519 JKS 19 228 26.7 25
Show 18092-2504 J 2196 123 3.3 26
Show 18108-2520 TDT 725 228 1.0 28
Show 18064-2525 RCH 6 208 2.3 34
Show 18093-2607 HDS2560 Aa,Ab 344 1.3 39
Show 18093-2607 B 379 AB 1 28.8 39
Show 18093-2607 B 379 AC 3 17.0 39
Show 18106-2602 HDS2563 152 0.5 41
Show 18107-2454 J 1594 226 7.8 44
Show 18057-2541 OCC1042 -1 0.0 45
Show 18057-2514 OCC1041 AB -1 0.0 46
Show 18057-2514 OCC1041 AC -1 0.0 46
Show 18056-2541 OCC1040 -1 0.0 47
Show 18052-2544 RCH 5 AB 35 2.3 53
Show 18052-2544 OCC1039 Aa,Ab -1 0.0 53
Show 18095-2621 B 381 50 0.2 53
Show 18051-2543 OCC1038 -1 0.0 54
Show 18094-2432 BRT3062 125 4.6 57
Show 18119-2620 J 2198 AB 99 3.4 66
Show 18119-2620 J 2198 AC 76 29.5 66
Show 18042-2544 RCH 4 354 3.9 66
Show 18041-2540 OCC1037 -1 0.1 66
Show 18041-2523 OCC1036 AB -1 0.0 66
Show 18041-2523 OCC1036 AC -1 0.0 66
Show 18040-2529 HDO 148 15 4.6 67
Show 18043-2603 J 1735 262 5.9 71
Show 18036-2523 OCC1035 -1 0.0 73
Show 18034-2526 OCC1034 -1 0.0 74
Show 18141-2502 B 383 87 3.8 75
Show 18031-2535 RCH 3 359 0.0 79
Show 18128-2429 OCC 52 -1 0.1 80
Show 18031-2545 RST3152 244 0.7 81
Show 18029-2533 OCC1033 AB -1 0.0 81
Show 18029-2533 OCC1033 AC -1 0.1 81
Show 18099-2406 BAR 9 AB 185 5.0 84
Show 18099-2406 HJ 5026 AC 139 33.7 84
Show 18061-2412 B 376 AB 97 1.9 86
Show 18061-2412 SNA 81 Aa,Ab 116 0.0 86
Show 18061-2412 SNA 81 AC 225 6.6 86
Show 18061-2412 SNA 81 AD 8 7.9 86
Show 18025-2539 OCC1031 -1 0.0 87
Show 18027-2550 OCC1032 -1 0.0 87
Show 18151-2503 B 2860 A,BC 52 26.4 88
Show 18151-2503 B 2860 BC -1 2.0 89
Show 18047-2421 HJ 5010 351 3.1 89
Show 18044-2423 RBR 8 318 3.1 90
Show 18107-2655 RSS 476 198 5.9 91
Show 18044-2421 TDT 662 121 1.8 92
Show 18024-2556 OCC1030 -1 0.0 92

 
 
WDS 18089-2528 : COMPONENTS
 
 
  A
B pa=61.9°
sep=12.43"
 
 
18089-2528 A
 
 
Componente originario normalizzato AB Name V3792 Sgr Coord arcsec 2000 180854.04-252823.0 Mag 6.78
Spectral class B3III (blue-white) PmRA 1.00 PmDE -9.0 SAO 186350
HIP 88905 Tycho2 6847-03001-1 HD 165814 HR 6773
GC 24719 CD CD-2512793 CP CP-25 6353
Tycho2
Tycho2 6847-03001-1 Pflag RAmdeg 272.22517473 DEmdeg -25.47305559
PmRA -4.6 PmDE -7.7 E RAmdeg 4 E DEmdeg 5
E pmRA 1.1 E pmDE 1.1 EpRAm 1991.28 EpDEm 1991.12
Num 16 Q RAmdeg 2.0 Q DEmdeg 1.4 Q pmRA 1.8
Q pmDE 1.5 BTmag 6.765 E BTmag 0.015 VTmag 6.784
E VTmag 0.011 Prox 134 TYC T HIP 88905
CCDM A RAdeg 272.22518583 DEdeg -25.47303778 EpRA 1990 1.74
EpDE 1990 1.69 E RAdeg 4.1 E DEdeg 4.9 Posflg
Corr 0.3
SAO
SAO 186350 DelFlag RA1950 PmRA1950 0.0003
DE1950 PmDE1950 0.017 Vmag 6.3 SpType B8
Double code Source 70 CatNum 24719 DM CD-2512793
DMcomp BDsup HD 165814 M HD 0
GC 24719 RA1950rad 4.73772968 DE1950rad -0.44473822 PmRA2000 0.0002
PmDE2000 0.018
Hipparcos
Catalog H HIP 88905 Proxy RAhms 18 08 54.04
DEdms -25 28 22.9 Vmag 6.76 VarFlag 2 R Vmag H
RAdeg 272.225 DEdeg -25.473 AstroRef A Plx 1.03
CCDM 18089-2528 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual A M HIP
Theta Rho HD 165814 BD
CD CD-2512793 CP CP-25 6353 Dm number -2512793 VIred 0.02
SpType B4IV R SpType Coord arcsec 2000 180854.04-252822.9
Hipparcos 2
HIP 88905 Sn 95 So 3 Nc 1
RArad 4.7512257587 DErad -0.4445883362 Plx 0.87 PmRA 6.22
PmDE -8.92 E RArad 2.4 E DErad 1.59 E Plx 2.1
E pmRA 2.87 E pmDE 1.76 Hpmag 6.7637 E Hpmag 0.0241
SHp 0.176 VA 1 BV -0.009 E BV 0.039
VI 0.01
CCDM
Ccdm 18089-2528 RComp Comp A Note1
Note2 Discov num DRAs 0.06 DDEs -20.8
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.4 Sp B8 PmNote *
PmRA 5 PmDE 17 Dm number -2512793 Cat1 CD
Name2 186350 Cat2 SAO HD 165814 M HD
ADS BDS A11069 M ADS BDS N IDS IDS 18027S2529A
HIC 88905
 
 
18089-2528 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 180854.85-252817.2 Mag 8.76 PmRA -28.00
PmDE -11.0 HIP 88908 Calc delta mag 1.98 Calc coord yes
Hipparcos
Catalog H HIP 88908 Proxy RAhms 18 08 54.94
DEdms -25 28 17.2 Vmag 8.7 VarFlag R Vmag H
RAdeg 272.229 DEdeg -25.4714 AstroRef B Plx 36.65
CCDM 18089-2528 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual A M HIP
Theta Rho HD BD
CD CP Dm number VIred 0.06
SpType R SpType Coord arcsec 2000 180854.94-252817.2
Hipparcos 2
HIP 88908 Sn 95 So 3 Nc 1
RArad 4.7512909491 DErad -0.4445602934 Plx 2.29 PmRA 15.94
PmDE -6.36 E RArad 5.56 E DErad 3.81 E Plx 4.91
E pmRA 6.53 E pmDE 3.97 Hpmag 8.4355 E Hpmag 0.0651
SHp 0 VA 0 BV 0.101 E BV 0.02
VI 0.06
CCDM
Ccdm 18089-2528 RComp Comp B Note1
Note2 Discov num WNO DRAs DDEs
R dRAs Year 1877 Theta 064 Rho 13.3
Obs 2 Vmag 8.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11069 M ADS BDS N IDS IDS 18027S2529B
HIC 88908