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Doubles in session


Current system
18353-2205
WNO 22
V4400 Sgr


Nearby doubles
16' : 18361-2154
ARA1546

22' : 18360-2146
ARA1545

26' : 18352-2140
HU 246

40' : 18381-2156
ARA1895

41' : 18365-2128
ARA1547

41' : 18337-2132
ARA1542

47' : 18375-2130
ARA1548

48' : 18354-2118
ARA1544

49' : 18386-2149
J 1633AB

49' : 18324-2138
ARA1541

51' : 18317-2211
ARA1890

51' : 18377-2243
ARA1894

51' : 18377-2244
ARA1893

52' : 18349-2256
ARA2236

52' : 18338-2119
ARA1543

55' : 18379-2124
OCC 33

57' : 18335-2256
BRT1540

61' : 18315-2138
ARA1540

69' : 18314-2124
ARA1539

70' : 18387-2114
ARA1551

71' : 18385-2110
B 1888

72' : 18378-2103
ARA1549

73' : 18306-2133
ARA1538

74' : 18390-2259
ARA2241

75' : 18397-2249
SHN 231

77' : 18314-2259
ARA2234



Selections
Full WDS
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.

18353-2205 WNO 22 (V4400 Sgr)

 
 
18h 35m 20.47s -22° 05' 27.4" P.A. 269.00 sep 11.4 mag 8.09,11.63 Sp B2Vnne dist. 418.41 pc (1364.85 l.y.)
 
 
Coord 2000 18353-2205 Discov num WNO  22 Comp Coord arcsec 2000 18 35 20.47 -22 05 27.4
Date first 1921 Date last 2015 Obs 15
Pa first 268 Pa last 269.4 P.A. Now (θ) 269.4°
Sep first 9.8 Sep last 11.436 Sep. Now (ρ) 11.436"
Mag pri 8.09 Mag sec 11.63 delta mag (ΔM) 3.54 Spectral class B2Vnne (blue-white)
Pri motion ra +002 Sec motion ra +012
Pri motion dec -004 Sec motion dec -006
Notes
rPM=0.76
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name V4400 Sgr Constellation Sagittarius SAO 187010 HIP 91130
Tycho2 6279-00380-3 Gaia DR2 4079494769740363136 HD 171348 BD BD-22 4790
CD CD-2213117 Distance 418.41 Distance ly 1364.85
 
 
WDS 18353-2205 WNO 22 (V4400 Sgr) : NOTES
 
 
No records found.

 
 
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
18353-2205 WNO 22 2002 11 269 11.3 8.09 11.63 B2Vnne D 183520.47-220527.4
18353-2205 WNO 22 2010 13 271 11.7 8.09 11.63 B2Vnne 183520.47-220527.4
18353-2205 WNO 22 2015 13 269 11.4 8.09 11.63 B2Vnne 183520.47-220527.4

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

 
 
WDS 18353-2205 WNO 22 (V4400 Sgr) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18353-2205 WNO 22 (V4400 Sgr) : MEASURES
 
 
No records found.

 
 
WDS 18353-2205 (V4400 Sgr) : VIRTUAL EYEPIECE
 
 

18353-2205 WNO 22A mag 8.09 Sp B2Vnne 18353-2205 WNO 22B sep 10.6 P.A. 269.40 mag 11.63 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 18353-2205 (V4400 Sgr) : ALADIN DSS IMAGE @ 18h 35m 20.47s -22° 05' 27.4"
 
 
 
 
WDS 18353-2205 WNO 22 (V4400 Sgr) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18353-2205 WNO 22 distance=0' 18361-2154 ARA1546 distance=16' 18360-2146 ARA1545 distance=22' 18352-2140 HU 246 distance=26' 18381-2156 ARA1895 distance=40' 18365-2128 ARA1547 distance=41' 18337-2132 ARA1542 distance=41' 18375-2130 ARA1548 distance=47' 18354-2118 ARA1544 distance=48' 18386-2149 J 1633AB distance=49' 18386-2149 J 1633BC distance=49' 18324-2138 ARA1541 distance=49' 18317-2211 ARA1890 distance=51' 18377-2243 ARA1894 distance=51' 18377-2244 ARA1893 distance=51' 18349-2256 ARA2236 distance=52' 18338-2119 ARA1543 distance=52' 18379-2124 OCC 33 distance=55' 18335-2256 BRT1540 distance=57' 18315-2138 ARA1540 distance=61' 18314-2124 ARA1539 distance=69' 18387-2114 ARA1551 distance=70' 18385-2110 B 1888 distance=71' 18378-2103 ARA1549 distance=72' 18306-2133 ARA1538 distance=73' 18390-2259 ARA2241 distance=74' 18397-2249 SHN 231 distance=75' 18314-2259 ARA2234 distance=77' 18302-2135 ARA1537 distance=78' 18407-2139 RST5122 distance=80' 18389-2103 WSI 90AB distance=80' 18389-2103 TNN 11AC distance=80' 18389-2103 TNN 11AD distance=80' 18349-2326 HDS2636 distance=81' 18337-2048 ARA1154 distance=82' 18313-2307 LEO 39AB distance=84' 18313-2307 LEO 39AC distance=84' 18296-2138 ARA1536 distance=85' 18297-2241 RST3183 distance=86' 18395-2101 RST5121AB distance=87' 18395-2101 HJ 2833AC distance=87' 18411-2236 ARA1896 distance=87' 18406-2115 ARA1552 distance=90' 18311-2315 DON 906 distance=91' 18372-2039 DON 914 distance=91' 18325-2330 BRT1539 distance=94' 18288-2138 HU 242 distance=96' 18374-2337 B 2456 distance=96' 18398-2052 OCC1078 distance=97' 18305-2315 RST4013 distance=97' 18321-2040 ARA1152 distance=97' 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 18353-2205 WNO 22 269 11.4
Show 18361-2154 ARA1546 173 10.4 16
Show 18360-2146 ARA1545 203 12.9 22
Show 18352-2140 HU 246 68 2.6 26
Show 18381-2156 ARA1895 26 16.0 40
Show 18365-2128 ARA1547 230 11.0 41
Show 18337-2132 ARA1542 114 11.6 41
Show 18375-2130 ARA1548 336 14.8 47
Show 18354-2118 ARA1544 180 6.1 48
Show 18386-2149 J 1633 AB 143 36.8 49
Show 18386-2149 J 1633 BC 149 7.5 49
Show 18324-2138 ARA1541 349 7.1 49
Show 18317-2211 ARA1890 289 11.5 51
Show 18377-2243 ARA1894 270 7.3 51
Show 18377-2244 ARA1893 137 12.5 51
Show 18349-2256 ARA2236 38 7.3 52
Show 18338-2119 ARA1543 253 8.5 52
Show 18379-2124 OCC 33 -1 0.1 55
Show 18335-2256 BRT1540 313 5.1 57
Show 18315-2138 ARA1540 10 14.8 61
Show 18314-2124 ARA1539 4 5.0 69
Show 18387-2114 ARA1551 137 6.1 70
Show 18385-2110 B 1888 302 4.8 71
Show 18378-2103 ARA1549 188 14.1 72
Show 18306-2133 ARA1538 255 9.4 73
Show 18390-2259 ARA2241 114 7.3 74
Show 18397-2249 SHN 231 -1 0.1 75
Show 18314-2259 ARA2234 326 13.2 77
Show 18302-2135 ARA1537 77 13.4 78
Show 18407-2139 RST5122 189 2.1 80
Show 18389-2103 WSI 90 AB 138 0.0 80
Show 18389-2103 TNN 11 AC 340 5.0 80
Show 18389-2103 TNN 11 AD 30 6.4 80
Show 18349-2326 HDS2636 57 0.3 81
Show 18337-2048 ARA1154 288 7.2 82
Show 18313-2307 LEO 39 AB 156 2.1 84
Show 18313-2307 LEO 39 AC 115 20.3 84
Show 18296-2138 ARA1536 147 15.5 85
Show 18297-2241 RST3183 207 0.5 86
Show 18395-2101 RST5121 AB 21 4.2 87
Show 18395-2101 HJ 2833 AC 314 21.8 87
Show 18411-2236 ARA1896 327 12.3 87
Show 18406-2115 ARA1552 287 12.6 90
Show 18311-2315 DON 906 145 2.0 91
Show 18372-2039 DON 914 174 0.4 91
Show 18325-2330 BRT1539 230 4.1 94
Show 18288-2138 HU 242 279 1.2 96
Show 18374-2337 B 2456 225 8.0 96
Show 18398-2052 OCC1078 -1 0.7 97
Show 18305-2315 RST4013 264 1.3 97
Show 18321-2040 ARA1152 134 14.5 97

 
 
WDS 18353-2205 : COMPONENTS
 
 
  A
B pa=269.4°
sep=10.60"
 
 
18353-2205 A
 
 
Componente originario normalizzato AB Name V4400 Sgr Coord arcsec 2000 183520.47-220527.4 Mag 8.09
Spectral class B2Vnne (blue-white) PmRA 2.00 PmDE -4.0 SAO 187010
HIP 91130 Tycho2 6279-00380-3 HD 171348 BD BD-22 4790
CD CD-2213117
Tycho2
Tycho2 6279-00380-3 Pflag RAmdeg 278.83530022 DEmdeg -22.09094096
PmRA 0.8 PmDE -3.6 E RAmdeg 6 E DEmdeg 8
E pmRA 0.9 E pmDE 0.9 EpRAm 1990.80 EpDEm 1990.21
Num 19 Q RAmdeg 1.5 Q DEmdeg 1.2 Q pmRA 1.7
Q pmDE 1.3 BTmag 8.173 E BTmag 0.018 VTmag 8.094
E VTmag 0.015 Prox 114 TYC HIP 91130
CCDM A RAdeg 278.83529833 DEdeg -22.09093111 EpRA 1990 1.74
EpDE 1990 1.60 E RAdeg 6.2 E DEdeg 7.5 Posflg
Corr 0.1
SAO
SAO 187010 DelFlag RA1950 PmRA1950 -0.0035
DE1950 PmDE1950 0.004 Vmag 8.5 SpType B3
Double code Source 25 CatNum 12897 DM CD-2213117
DMcomp BDsup HD 171348 M HD 0
GC RA1950rad 4.85345386 DE1950rad -0.3862716 PmRA2000 -0.0035
PmDE2000 0.004
Hipparcos
Catalog H HIP 91130 Proxy RAhms 18 35 20.47
DEdms -22 05 27.3 Vmag 8 VarFlag 2 R Vmag G
RAdeg 278.835 DEdeg -22.0909 AstroRef A Plx 2.1
CCDM 18353-2205 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual B M HIP AB
Theta 270 Rho 11.38 HD 171348 BD BD-22 4790
CD CD-2213117 CP Dm number -22 4790 VIred 0.13
SpType B2Vnne R SpType Coord arcsec 2000 183520.47-220527.3
Hipparcos 2
HIP 91130 Sn 15 So 3 Nc 2
RArad 4.8665940125 DErad -0.3855594649 Plx 2.39 PmRA 1.46
PmDE -3.3 E RArad 0.95 E DErad 0.58 E Plx 0.97
E pmRA 1.43 E pmDE 0.86 Hpmag 8.0942 E Hpmag 0.011
SHp 0.032 VA 2 BV 0.12 E BV 0.015
VI 0.13
CCDM
Ccdm 18353-2205 RComp Comp A Note1
Note2 Discov num DRAs 2.23 DDEs -26.5
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.5 Sp B3 PmNote *
PmRA -49 PmDE 4 Dm number -22 4790 Cat1 BD
Name2 187010 Cat2 SAO HD 171348 M HD
ADS BDS M ADS BDS N IDS IDS 18293S2210A
HIC 91130
 
 
18353-2205 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 183519.71-220527.5 Mag 11.63 PmRA 12.00
PmDE -6.0 Calc delta mag 3.54 Calc coord yes
CCDM
Ccdm 18353-2205 RComp Comp B Note1
Note2 Discov num WNO DRAs 0.93 DDEs -24.6
R dRAs 90 Year 1938 Theta 271 Rho 11.3
Obs 4 Vmag 11.5 Sp PmNote *
PmRA -163 PmDE 34 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18293S2210B
HIC