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Doubles in session


Current system
18106-2744
RST 2034
HD 166168


Nearby doubles
24' : 18101-2807
TDT 721

25' : 18116-2724
RST2036

28' : 18086-2752
BU 244AB

30' : 18093-2809
ALD 67

44' : 18114-2827
RST2035

46' : 18119-2825
J 1647

48' : 18133-2713
B 2435

49' : 18107-2655
RSS 476

50' : 18142-2730
B 384

52' : 18130-2704
J 2199AB

56' : 18146-2759
OCC 117AB

61' : 18070-2706
OCC 88

64' : 18153-2753
RST2039

66' : 18150-2715
KPP4095

68' : 18100-2851
RST2033

68' : 18155-2722
RST2040

70' : 18150-2823
B 385

74' : 18094-2855
DAM1037

75' : 18093-2856
SKF2550

76' : 18159-2716
J 2201AB

77' : 18060-2659
I 1017

78' : 18050-2806
J 1593

78' : 18138-2850
B 2436

79' : 18165-2748
RST2043

81' : 18152-2837
OCC 151

82' : 18045-2729
SKF2549



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

18106-2744 RST 2034 (HD 166168)

 
 
18h 10m 34.83s -27° 44' 07.5" P.A. 275.00 sep 2.0 mag 10.10,11.40 Sp B9V
 
 
Coord 2000 18106-2744 Discov num RST2034 Comp Coord arcsec 2000 18 10 34.83 -27 44 07.5
Date first 1921 Date last 2010 Obs 4
Pa first 271 Pa last 274.6 P.A. Now (θ) 274.6°
Sep first 1.4 Sep last 2.02 Sep. Now (ρ) 2.02"
Mag pri 10.10 Mag sec 11.40 delta mag (ΔM) 1.3 Spectral class B9V (blue-white)
Pri motion ra +005 Sec motion ra
Pri motion dec -003 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 166168 Constellation Sagittarius Tycho2 6851-05054-1 Gaia DR2 4050970483185429760
HD 166168
 
 
WDS 18106-2744 RST 2034 (HD 166168) : 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
18106-2744 RST2034 1944 3 271 1.9 10.10 11.40 B9V 181034.83-274407.5
18106-2744 RST2034 2010 4 275 2.0 10.10 11.40 B9V 181034.83-274407.5

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

 
 
WDS 18106-2744 RST 2034 (HD 166168) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18106-2744 RST 2034 (HD 166168) : MEASURES
 
 
No records found.

 
 
WDS 18106-2744 (HD 166168) : VIRTUAL EYEPIECE
 
 

18106-2744 RST2034A mag 10.1 Sp B9V 18106-2744 RST2034B sep 1.8 P.A. 275.20 mag 11.4 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 18106-2744 (HD 166168) : ALADIN DSS IMAGE @ 18h 10m 34.83s -27° 44' 07.5"
 
 
 
 
WDS 18106-2744 RST 2034 (HD 166168) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18106-2744 RST2034 distance=0' 18101-2807 TDT 721 distance=24' 18116-2724 RST2036 distance=25' 18086-2752 BU 244AB distance=28' 18086-2752 BU 244Ba,Bb distance=28' 18093-2809 ALD 67 distance=30' 18114-2827 RST2035 distance=44' 18119-2825 J 1647 distance=46' 18133-2713 B 2435 distance=48' 18107-2655 RSS 476 distance=49' 18142-2730 B 384 distance=50' 18130-2704 J 2199AB distance=52' 18130-2704 J 2199AC distance=52' 18146-2759 OCC 117AB distance=56' 18070-2706 OCC 88 distance=61' 18153-2753 RST2039 distance=64' 18150-2715 KPP4095 distance=66' 18100-2851 RST2033 distance=68' 18155-2722 RST2040 distance=68' 18150-2823 B 385 distance=70' 18094-2855 DAM1037 distance=74' 18093-2856 SKF2550 distance=75' 18159-2716 J 2201AB distance=76' 18159-2716 J 2201AC distance=76' 18060-2659 I 1017 distance=77' 18050-2806 J 1593 distance=78' 18095-2859 RST2032BC distance=78' 18138-2850 B 2436 distance=78' 18095-2859 SKF2064A,BC distance=78' 18165-2748 RST2043 distance=79' 18152-2837 OCC 151 distance=81' 18045-2729 SKF2549 distance=82' 18051-2707 OCC 90 distance=82' 18050-2705 OCC 89 distance=84' 18095-2621 B 381 distance=85' 18165-2818 B 2861 distance=86' 18119-2620 J 2198AB distance=87' 18119-2620 J 2198AC distance=87' 18103-2913 HO 428 distance=89' 18053-2841 B 374 distance=91' 18170-2816 OCC 116 distance=92' 18174-2730 HDS2585 distance=93' 18068-2902 RST2031 distance=93' 18176-2752 B 386 distance=94' 18091-2915 BRT3061 distance=94' 18069-2905 RSS 472 distance=94' 18035-2738 TDT 660 distance=95' 18177-2746 I 1359 distance=95' 18034-2754 BRT3056 distance=96' 18176-2806 OCC 119 distance=96' 18174-2817 OCC 168 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 18106-2744 RST2034 275 2.0
Show 18101-2807 TDT 721 162 9.5 24
Show 18116-2724 RST2036 224 0.2 25
Show 18086-2752 BU 244 AB 270 2.2 28
Show 18086-2752 BU 244 Ba,Bb 154 0.1 28
Show 18093-2809 ALD 67 17 1.9 30
Show 18114-2827 RST2035 153 0.4 44
Show 18119-2825 J 1647 46 4.8 46
Show 18133-2713 B 2435 311 6.8 48
Show 18107-2655 RSS 476 198 5.9 49
Show 18142-2730 B 384 338 6.6 50
Show 18130-2704 J 2199 AB 206 4.4 52
Show 18130-2704 J 2199 AC 78 20.0 52
Show 18146-2759 OCC 117 AB -1 0.1 56
Show 18070-2706 OCC 88 -1 0.1 61
Show 18153-2753 RST2039 23 4.0 64
Show 18150-2715 KPP4095 122 43.9 66
Show 18100-2851 RST2033 188 0.8 68
Show 18155-2722 RST2040 291 1.4 68
Show 18150-2823 B 385 81 7.4 70
Show 18094-2855 DAM1037 69 6.6 74
Show 18093-2856 SKF2550 201 55.8 75
Show 18159-2716 J 2201 AB 232 6.0 76
Show 18159-2716 J 2201 AC 7 11.2 76
Show 18060-2659 I 1017 84 2.1 77
Show 18050-2806 J 1593 149 9.1 78
Show 18095-2859 RST2032 BC 203 0.9 78
Show 18138-2850 B 2436 277 6.8 78
Show 18095-2859 SKF2064 A,BC 309 43.4 78
Show 18165-2748 RST2043 208 1.4 79
Show 18152-2837 OCC 151 -1 0.1 81
Show 18045-2729 SKF2549 239 5.5 82
Show 18051-2707 OCC 90 -1 0.1 82
Show 18050-2705 OCC 89 -1 0.1 84
Show 18095-2621 B 381 50 0.2 85
Show 18165-2818 B 2861 150 8.6 86
Show 18119-2620 J 2198 AB 99 3.4 87
Show 18119-2620 J 2198 AC 76 29.5 87
Show 18103-2913 HO 428 92 0.4 89
Show 18053-2841 B 374 159 3.7 91
Show 18170-2816 OCC 116 -1 0.1 92
Show 18174-2730 HDS2585 83 0.2 93
Show 18068-2902 RST2031 130 6.8 93
Show 18176-2752 B 386 29 0.6 94
Show 18091-2915 BRT3061 236 3.9 94
Show 18069-2905 RSS 472 147 11.3 94
Show 18035-2738 TDT 660 208 0.7 95
Show 18177-2746 I 1359 113 1.2 95
Show 18034-2754 BRT3056 171 4.5 96
Show 18176-2806 OCC 119 -1 0.1 96
Show 18174-2817 OCC 168 -1 0.1 97

 
 
WDS 18106-2744 : COMPONENTS
 
 
  A
B pa=275.2°
sep=1.79"
 
 
18106-2744 A
 
 
Componente originario normalizzato AB Name HD 166168 Coord arcsec 2000 181034.83-274407.5 Mag 10.1
Spectral class B9V (blue-white) PmRA 5.00 PmDE -3.0 Tycho2 6851-05054-1
HD 166168
Tycho2
Tycho2 6851-05054-1 Pflag RAmdeg 272.64514701 DEmdeg -27.73542356
PmRA 5.2 PmDE -3.1 E RAmdeg 33 E DEmdeg 43
E pmRA 2.6 E pmDE 2.4 EpRAm 1989.79 EpDEm 1987.32
Num 3 Q RAmdeg 1.1 Q DEmdeg 1.5 Q pmRA 1.2
Q pmDE 1.5 BTmag 10.655 E BTmag 0.051 VTmag 10.462
E VTmag 0.067 Prox 999 TYC T HIP
CCDM RAdeg 272.64513389 DEdeg -27.73541639 EpRA 1990 1.79
EpDE 1990 1.79 E RAdeg 32.5 E DEdeg 43.8 Posflg
Corr -0.1
 
 
18106-2744 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 181034.70-274407.3 Mag 11.4 Calc delta mag 1.3
Calc coord yes