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Doubles in session


Current system
18209-1956
RST 3177
HD 168522


Nearby doubles
8' : 18205-1951
DON 892

9' : 18209-2004
ARA1148AB

17' : 18210-1939
BU 48AB

22' : 18196-1944
WRH 30

32' : 18223-2018
BHA 27

34' : 18231-2009
DON 897

46' : 18237-1936
ARA 746

48' : 18177-1940
BU 246AB

48' : 18217-1909
BRT1531

50' : 18238-1930
LEO 16

52' : 18242-1935
BU 49AB

54' : 18171-1952
HJ 2827

54' : 18228-1910
OCC 474

55' : 18246-1944
OCC 459

57' : 18247-2012
OCC 409

58' : 18216-2052
BRT1530

59' : 18186-1906
OCC9181

59' : 18170-1933
B 2862

61' : 18203-2055
BRT1529

61' : 18173-2029
BHA 26

62' : 18174-1920
B 2863

62' : 18178-2039
ARA1146

63' : 18232-1903
I 1365

64' : 18223-1856
J 1740AB

64' : 18244-1917
J 1630

65' : 18167-2022
SKF 99



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.

18209-1956 RST 3177 (HD 168522)

 
 
18h 20m 51.98s -19° 55' 52.6" P.A. 326.00 sep 1.3 mag 9.10,12.10 Sp A0III dist. 343.64 pc (1120.95 l.y.)
 
 
Coord 2000 18209-1956 Discov num RST3177 Comp Coord arcsec 2000 18 20 51.98 -19 55 52.6
Date first 1935 Date last 1986 Obs 3
Pa first 325 Pa last 326 P.A. Now (θ) 326°
Sep first 0.7 Sep last 1.28 Sep. Now (ρ) 1.28"
Mag pri 9.10 Mag sec 12.10 delta mag (ΔM) 3 Spectral class A0III (white)
Pri motion ra +000 Sec motion ra
Pri motion dec -003 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 168522 Constellation Sagittarius SAO 161364 HIP 89917
Tycho2 6273-01502-1 Gaia DR2 4091481709839657984 HD 168522 BD BD-19 4969
Distance 343.64 Distance ly 1120.95
 
 
WDS 18209-1956 RST 3177 (HD 168522) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Rst1933 T - Rossiter, R.A. 1933MmRAS..65...27R
Rst1933 MemRAS 65, 27, 1933
Rst1937 Ma - Rossiter, R.A. 1937MmRAS..65...51R
Rst1937 MemRAS 65, 51, 1937
Rst1943 Ma - Rossiter, R.A. 1943POMic...8..133R
Rst1943 Pub. Univ. Michigan Obs. 8, 133, 1943
Rst1944 - Rossiter, R.A. 1944POMic...9....1R
Rst1944 Pub. Univ. Michigan Obs. 9, 1, 1944
Rst1947 Ma - Rossiter, R.A. 1947POMic...9....7R
Rst1947 Pub. Univ. Michigan Obs. 9, 7, 1947
Rst1955 Ma j Rossiter, R.A. 1955POMic..11....1R
Rst1955 +P+ Pub. Univ. Michigan Obs. 11, 1, 1955
Rst1964 Ma - Rossiter, R.A. 1964POMic...9...73R
Rst1964 Pub. Univ. Michigan Obs. 9, 73, 1964
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18209-1956 RST3177 1986 3 326 1.3 9.10 12.10 A0III 182051.98-195552.6

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

 
 
WDS 18209-1956 RST 3177 (HD 168522) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18209-1956 RST 3177 (HD 168522) : MEASURES
 
 
No records found.

 
 
WDS 18209-1956 (HD 168522) : VIRTUAL EYEPIECE
 
 

18209-1956 RST3177A mag 9.1 Sp A0III 18209-1956 RST3177B sep 1.3 P.A. 327.60 mag 12.1 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18209-1956 (HD 168522) : ALADIN DSS IMAGE @ 18h 20m 51.98s -19° 55' 52.6"
 
 
 
 
WDS 18209-1956 RST 3177 (HD 168522) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18209-1956 RST3177 distance=0' 18205-1951 DON 892 distance=8' 18209-2004 ARA1148AB distance=9' 18210-1939 BU 48AB distance=17' 18210-1939 BU 48AC distance=17' 18210-1939 BU 48CD distance=17' 18196-1944 WRH 30 distance=22' 18223-2018 BHA 27 distance=32' 18231-2009 DON 897 distance=34' 18237-1936 ARA 746 distance=46' 18177-1940 BU 246AB distance=48' 18177-1940 WSI 89Ba,Bb distance=48' 18217-1909 BRT1531 distance=48' 18238-1930 LEO 16 distance=50' 18242-1935 BU 49AB distance=52' 18242-1935 BU 49AC distance=52' 18242-1935 BU 49AD distance=52' 18171-1952 HJ 2827 distance=54' 18228-1910 OCC 474 distance=54' 18246-1944 OCC 459 distance=55' 18247-2012 OCC 409 distance=57' 18216-2052 BRT1530 distance=58' 18186-1906 OCC9181 distance=59' 18170-1933 B 2862 distance=59' 18203-2055 BRT1529 distance=61' 18173-2029 BHA 26 distance=61' 18174-1920 B 2863 distance=62' 18178-2039 ARA1146 distance=62' 18232-1903 I 1365 distance=63' 18223-1856 J 1740AB distance=64' 18223-1856 J 1740AC distance=64' 18244-1917 J 1630 distance=64' 18167-2022 SKF 99 distance=65' 18214-1852 EVS 35AB distance=65' 18214-1852 KRV 48AC distance=65' 18214-1852 KRV 48AD distance=65' 18163-2008 ARA1143 distance=66' 18168-2027 ARA1144 distance=67' 18184-1859 OCC9180 distance=68' 18241-1905 ARA 747 distance=68' 18258-1953 ARA 750 distance=70' 18166-2033 MCA 51 distance=71' 18158-2001 CLL 12 distance=73' 18163-2027 SKF1039 distance=73' 18157-1950 B 1884 distance=73' 18254-2033 JC 6 distance=73' 18162-1921 B 2439 distance=76' 18261-2019 SKF 101 distance=77' 18236-1849 ARA 477 distance=78' 18163-1913 B 2440 distance=78' 18228-1843 CHR 235 distance=78' 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 18209-1956 RST3177 326 1.3
Show 18205-1951 DON 892 298 1.3 8
Show 18209-2004 ARA1148 AB 310 11.1 9
Show 18210-1939 BU 48 AB 349 2.6 17
Show 18210-1939 BU 48 AC 283 78.6 17
Show 18210-1939 BU 48 CD 57 16.4 17
Show 18196-1944 WRH 30 273 0.3 22
Show 18223-2018 BHA 27 236 7.0 32
Show 18231-2009 DON 897 129 1.6 34
Show 18237-1936 ARA 746 280 12.9 46
Show 18177-1940 BU 246 AB 116 0.5 48
Show 18177-1940 WSI 89 Ba,Bb 321 0.1 48
Show 18217-1909 BRT1531 215 4.9 48
Show 18238-1930 LEO 16 84 1.2 50
Show 18242-1935 BU 49 AB 45 8.2 52
Show 18242-1935 BU 49 AC 304 22.4 52
Show 18242-1935 BU 49 AD 149 23.4 52
Show 18171-1952 HJ 2827 253 19.9 54
Show 18228-1910 OCC 474 -1 0.2 54
Show 18246-1944 OCC 459 -1 2.5 55
Show 18247-2012 OCC 409 -1 0.0 57
Show 18216-2052 BRT1530 337 5.5 58
Show 18186-1906 OCC9181 -1 0.2 59
Show 18170-1933 B 2862 296 7.4 59
Show 18203-2055 BRT1529 281 4.2 61
Show 18173-2029 BHA 26 352 5.5 61
Show 18174-1920 B 2863 310 5.7 62
Show 18178-2039 ARA1146 351 11.0 62
Show 18232-1903 I 1365 150 1.3 63
Show 18223-1856 J 1740 AB 148 5.4 64
Show 18223-1856 J 1740 AC 178 8.7 64
Show 18244-1917 J 1630 222 5.3 64
Show 18167-2022 SKF 99 141 3.0 65
Show 18214-1852 EVS 35 AB 204 10.6 65
Show 18214-1852 KRV 48 AC 157 71.4 65
Show 18214-1852 KRV 48 AD 98 95.0 65
Show 18163-2008 ARA1143 18 10.9 66
Show 18168-2027 ARA1144 336 9.7 67
Show 18184-1859 OCC9180 -1 0.1 68
Show 18241-1905 ARA 747 291 6.2 68
Show 18258-1953 ARA 750 112 3.6 70
Show 18166-2033 MCA 51 321 0.1 71
Show 18158-2001 CLL 12 199 22.9 73
Show 18163-2027 SKF1039 336 3.7 73
Show 18157-1950 B 1884 85 0.2 73
Show 18254-2033 JC 6 280 1.7 73
Show 18162-1921 B 2439 113 2.5 76
Show 18261-2019 SKF 101 35 2.9 77
Show 18236-1849 ARA 477 352 13.9 78
Show 18163-1913 B 2440 291 0.5 78
Show 18228-1843 CHR 235 182 0.1 78

 
 
WDS 18209-1956 : COMPONENTS
 
 
  A
B pa=327.6°
sep=1.26"
 
 
18209-1956 A
 
 
Componente originario normalizzato AB Name HD 168522 Coord arcsec 2000 182051.98-195552.6 Mag 9.1
Spectral class A0III (white) PmRA 0.00 PmDE -3.0 SAO 161364
HIP 89917 Tycho2 6273-01502-1 HD 168522 BD BD-19 4969
Tycho2
Tycho2 6273-01502-1 Pflag RAmdeg 275.21659043 DEmdeg -19.93129257
PmRA -0.8 PmDE -5.9 E RAmdeg 9 E DEmdeg 11
E pmRA 1.2 E pmDE 1.3 EpRAm 1990.05 EpDEm 1989.21
Num 13 Q RAmdeg 1.1 Q DEmdeg 1.3 Q pmRA 1.2
Q pmDE 1.2 BTmag 9.258 E BTmag 0.020 VTmag 9.094
E VTmag 0.019 Prox 999 TYC T HIP 89917
CCDM RAdeg 275.21659222 DEdeg -19.93127972 EpRA 1990 1.79
EpDE 1990 1.80 E RAdeg 8.5 E DEdeg 11.9 Posflg
Corr 0.0
SAO
SAO 161364 DelFlag RA1950 PmRA1950 0.0006
DE1950 PmDE1950 0.011 Vmag 8.9 SpType A0
Double code Source 23 CatNum 7637 DM BD-19 4969
DMcomp BDsup HD 168522 M HD 0
GC RA1950rad 4.7904973 DE1950rad -0.34827298 PmRA2000 0.0007
PmDE2000 0.012
Hipparcos
Catalog H HIP 89917 Proxy RAhms 18 20 51.98
DEdms -19 55 52.6 Vmag 8.98 VarFlag R Vmag H
RAdeg 275.217 DEdeg -19.9313 AstroRef Plx 0.26
CCDM 18209-1956 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 168522 BD BD-19 4969
CD CP Dm number -19 4969 VIred 0.14
SpType A0III R SpType Coord arcsec 2000 182051.98-195552.6
Hipparcos 2
HIP 89917 Sn 5 So 0 Nc 1
RArad 4.8034356982 DErad -0.3478665363 Plx 2.91 PmRA 0.16
PmDE -6.19 E RArad 1.25 E DErad 0.71 E Plx 1.4
E pmRA 1.52 E pmDE 0.81 Hpmag 9.0351 E Hpmag 0.0023
SHp 0.017 VA 0 BV 0.157 E BV 0.029
VI 0.17
CCDM
Ccdm 18209-1956 RComp Comp A Note1
Note2 Discov num DRAs -1.96 DDEs 8.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.1 Sp A0 PmNote *
PmRA 8 PmDE 11 Dm number -19 4969 Cat1 BD
Name2 161364 Cat2 SAO HD 168522 M HD
ADS BDS M ADS BDS N IDS IDS 18149S1958A
HIC 89917
 
 
18209-1956 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 182051.93-195551.5 Mag 12.1 Calc delta mag 3
Calc coord yes
CCDM
Ccdm 18209-1956 RComp Comp B Note1
Note2 Discov num RST3177 DRAs DDEs
R dRAs Year 1935 Theta 322 Rho 0.7
Obs 2 Vmag 12.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18149S1958B
HIC 89917