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Doubles in session


Current system
18306-3624
HDS 2625
HD 170368


Nearby doubles
17' : 18310-3609
RST3185AB

30' : 18325-3643
TDT 933

37' : 18304-3548
HDS2622

45' : 18337-3648
JSP 777

46' : 18269-3635
BRT1779

54' : 18297-3532
BRT1780

61' : 18344-3545
B 2454

62' : 18256-3628
OL 19

62' : 18264-3700
RST4011

73' : 18248-3642
POL 6

73' : 18348-3533
JSP 781

74' : 18253-3701
BRT1776

77' : 18361-3703
JSP 782

81' : 18348-3726
SKF2067

83' : 18268-3517
B 2866

86' : 18248-3535
BRT3331

88' : 18243-3539
BRT1774

92' : 18374-3546
JSP 784

93' : 18372-3711
BRT1783

93' : 18331-3752
BRT1781

93' : 18266-3744
BRT1778

94' : 18380-3653
B 941

96' : 18246-3523
JSP 774

99' : 18381-3702
TDT 966

99' : 18251-3738
B 1360

101' : 18345-3753
JSP 779



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

18306-3624 HDS 2625 (HD 170368)

 
 
18h 30m 35.72s -36° 24' 23.9" P.A. 343.00 sep 8.5 mag 9.65,10.21 Sp A7V+... dist. 39.82 pc (129.89 l.y.)
 
 
Coord 2000 18306-3624 Discov num HDS2625 Comp Coord arcsec 2000 18 30 35.72 -36 24 23.9
Date first 1912 Date last 2015 Obs 10
Pa first 348 Pa last 343.3 P.A. Now (θ) 343.3°
Sep first 8.7 Sep last 8.485 Sep. Now (ρ) 8.485"
Mag pri 9.65 Mag sec 10.21 delta mag (ΔM) 0.56 Spectral class A7V+... (white)
Pri motion ra +009 Sec motion ra +005
Pri motion dec -007 Sec motion dec -001
Notes
rPM=0.632
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 170368 Constellation Sagittarius HIP 90724 Tycho2 7406-01577-1
Gaia DR2 6734055175911885440 HD 170368 CD CD-3612714 Distance 39.82
Distance ly 129.89
 
 
WDS 18306-3624 HDS 2625 (HD 170368) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HDS Hipparcos Double Star (from additional DD list) ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18306-3624 HDS2625 1998 8 343 8.5 9.65 10.21 A7V+... D 183035.72-362423.9
18306-3624 HDS2625 1999 10 343 8.5 9.65 10.21 A7V+... D 183035.72-362423.9
18306-3624 HDS2625 2015 10 343 8.5 9.65 10.21 A7V+... 183035.72-362423.9

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

 
 
WDS 18306-3624 HDS 2625 (HD 170368) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18306-3624 HDS 2625 (HD 170368) : MEASURES
 
 
No records found.

 
 
WDS 18306-3624 (HD 170368) : VIRTUAL EYEPIECE
 
 

18306-3624 HDS2625A mag 9.65 Sp A7V 18306-3624 HDS2625B sep 8.4 P.A. 346.40 mag 10.21 Sp ... 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 18306-3624 (HD 170368) : ALADIN DSS IMAGE @ 18h 30m 35.72s -36° 24' 23.9"
 
 
 
 
WDS 18306-3624 HDS 2625 (HD 170368) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18306-3624 HDS2625 distance=0' 18310-3609 RST3185AB distance=17' 18310-3609 RST3185BC distance=17' 18325-3643 TDT 933 distance=30' 18304-3548 HDS2622 distance=37' 18337-3648 JSP 777 distance=45' 18269-3635 BRT1779 distance=46' 18297-3532 BRT1780 distance=54' 18344-3545 B 2454 distance=61' 18256-3628 OL 19 distance=62' 18264-3700 RST4011 distance=62' 18248-3642 POL 6 distance=73' 18348-3533 JSP 781 distance=73' 18253-3701 BRT1776 distance=74' 18361-3703 JSP 782 distance=77' 18348-3726 SKF2067 distance=81' 18268-3517 B 2866 distance=83' 18248-3535 BRT3331 distance=86' 18243-3539 BRT1774 distance=88' 18374-3546 JSP 784 distance=92' 18372-3711 BRT1783 distance=93' 18331-3752 BRT1781 distance=93' 18266-3744 BRT1778 distance=93' 18380-3653 B 941 distance=94' 18246-3523 JSP 774 distance=96' 18381-3702 TDT 966 distance=99' 18251-3738 B 1360 distance=99' 18345-3753 JSP 779 distance=101' 18346-3753 JSP 780 distance=101' 18240-3516 BRT1773 distance=106' 18345-3449 STN 62 distance=107' 18247-3746 B 1358 distance=108' 18337-3444 JSP 778 distance=108' 18262-3801 RST2049 distance=111' 18386-3528 BRT1784 distance=113' 18332-3436 JSP 776 distance=114' 18293-3431 B 1364 distance=115' 18384-3515 TDT 970 distance=118' 18215-3715 B 2445 distance=121' 18207-3647 B 1356 distance=122' 18381-3748 B 1368 distance=123' 18363-3809 I 1372 distance=125' 18267-3821 RST2052 distance=126' 18202-3601 BRT1769 distance=128' 18274-3827 RST2055 distance=129' 18294-3416 B 1365 distance=130' 18221-3507 BRT1772 distance=130' 18231-3758 RST4009 distance=130' 18393-3742 TOK 797 distance=131' 18245-3817 TDT 843 distance=135' 18416-3649 WFC 212 distance=135' 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 18306-3624 HDS2625 343 8.5
Show 18310-3609 RST3185 AB 325 3.3 17
Show 18310-3609 RST3185 BC 357 1.9 17
Show 18325-3643 TDT 933 286 0.4 30
Show 18304-3548 HDS2622 70 4.6 37
Show 18337-3648 JSP 777 286 11.2 45
Show 18269-3635 BRT1779 28 6.7 46
Show 18297-3532 BRT1780 252 2.1 54
Show 18344-3545 B 2454 279 4.9 61
Show 18256-3628 OL 19 261 4.1 62
Show 18264-3700 RST4011 130 0.6 62
Show 18248-3642 POL 6 226 2.7 73
Show 18348-3533 JSP 781 203 0.4 73
Show 18253-3701 BRT1776 175 3.3 74
Show 18361-3703 JSP 782 3 1.1 77
Show 18348-3726 SKF2067 305 26.9 81
Show 18268-3517 B 2866 343 4.5 83
Show 18248-3535 BRT3331 192 5.5 86
Show 18243-3539 BRT1774 55 3.5 88
Show 18374-3546 JSP 784 151 2.1 92
Show 18372-3711 BRT1783 133 4.3 93
Show 18331-3752 BRT1781 192 4.2 93
Show 18266-3744 BRT1778 123 3.1 93
Show 18380-3653 B 941 230 1.6 94
Show 18246-3523 JSP 774 72 4.3 96
Show 18381-3702 TDT 966 309 2.8 99
Show 18251-3738 B 1360 279 2.8 99
Show 18345-3753 JSP 779 220 0.7 101
Show 18346-3753 JSP 780 310 2.7 101
Show 18240-3516 BRT1773 295 3.6 106
Show 18345-3449 STN 62 132 2.3 107
Show 18247-3746 B 1358 311 1.1 108
Show 18337-3444 JSP 778 162 1.5 108
Show 18262-3801 RST2049 165 2.2 111
Show 18386-3528 BRT1784 192 4.8 113
Show 18332-3436 JSP 776 31 0.3 114
Show 18293-3431 B 1364 34 3.6 115
Show 18384-3515 TDT 970 81 0.6 118
Show 18215-3715 B 2445 248 6.3 121
Show 18207-3647 B 1356 228 2.5 122
Show 18381-3748 B 1368 153 5.0 123
Show 18363-3809 I 1372 14 8.7 125
Show 18267-3821 RST2052 278 1.4 126
Show 18202-3601 BRT1769 1 4.1 128
Show 18274-3827 RST2055 14 0.9 129
Show 18294-3416 B 1365 242 4.1 130
Show 18221-3507 BRT1772 195 2.8 130
Show 18231-3758 RST4009 44 0.5 130
Show 18393-3742 TOK 797 235 0.2 131
Show 18245-3817 TDT 843 98 0.6 135
Show 18416-3649 WFC 212 99 9.9 135

 
 
WDS 18306-3624 : COMPONENTS
 
 
  A
B pa=346.4°
sep=8.36"
 
 
18306-3624 A
 
 
Componente originario normalizzato AB Name HD 170368 Coord arcsec 2000 183035.72-362423.9 Mag 9.65
Spectral class A7V (white) PmRA 9.00 PmDE -7.0 HIP 90724
Tycho2 7406-01577-1 HD 170368 CD CD-3612714
Tycho2
Tycho2 7406-01577-1 Pflag RAmdeg 277.64884412 DEmdeg -36.40663222
PmRA 8.7 PmDE -7.0 E RAmdeg 12 E DEmdeg 18
E pmRA 1.4 E pmDE 1.8 EpRAm 1989.46 EpDEm 1989.54
Num 6 Q RAmdeg 0.7 Q DEmdeg 1.8 Q pmRA 0.6
Q pmDE 1.8 BTmag 10.148 E BTmag 0.027 VTmag 9.646
E VTmag 0.025 Prox 50 TYC T HIP 90724
CCDM A RAdeg 277.64881944 DEdeg -36.40661778 EpRA 1990 1.85
EpDE 1990 1.76 E RAdeg 13.3 E DEdeg 19.1 Posflg
Corr 0.1
Hipparcos
Catalog H HIP 90724 Proxy H RAhms 18 30 35.71
DEdms -36 24 23.8 Vmag 9.09 VarFlag R Vmag H
RAdeg 277.649 DEdeg -36.4066 AstroRef A Plx 34.32
CCDM 18306-3624 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual C M HIP AB
Theta 270 Rho 4.938 HD 170368 BD
CD CD-3612714 CP Dm number -3612714 VIred 0.29
SpType A7V+... R SpType Coord arcsec 2000 183035.71-362423.8
Hipparcos 2
HIP 90724 Sn 15 So 3 Nc 2
RArad 4.8458858395 DErad -0.6354153473 Plx -25.11 PmRA 32.61
PmDE -39.08 E RArad 15.68 E DErad 11.41 E Plx 19.5
E pmRA 24.65 E pmDE 16.76 Hpmag 9.1583 E Hpmag 0.0025
SHp 0.022 VA 0 BV 0.261 E BV 0.1
VI 0.29
CCDM
Ccdm 18306-3624 RComp Comp A Note1
Note2 Discov num DRAs -0.26 DDEs -23.8
R dRAs 82 Year Theta Rho
Obs 2 Vmag 9.7 Sp A7 PmNote *
PmRA 43 PmDE -2 Dm number -3612714 Cat1 CD
Name2 Cat2 HD 170368 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 90724
 
 
18306-3624 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 183035.56-362415.8 Mag 10.21 Spectral class ...
PmRA 5.00 PmDE -1.0 Tycho2 7406-01577-2 Calc delta mag 0.56
Calc coord yes
Tycho2
Tycho2 7406-01577-2 Pflag RAmdeg 277.64797338 DEmdeg -36.40437400
PmRA 5.1 PmDE -6.1 E RAmdeg 25 E DEmdeg 35
E pmRA 2.1 E pmDE 2.1 EpRAm 1989.73 EpDEm 1987.64
Num 5 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 0.8
Q pmDE 0.8 BTmag 11.139 E BTmag 0.056 VTmag 10.209
E VTmag 0.039 Prox 85 TYC T HIP
CCDM RAdeg 277.64795917 DEdeg -36.40435972 EpRA 1990 1.85
EpDE 1990 1.75 E RAdeg 24.7 E DEdeg 35.5 Posflg
Corr 0.1
CCDM
Ccdm 18306-3624 RComp Comp B Note1
Note2 Discov num HDS DRAs -0.66 DDEs -23.8
R dRAs 82 Year 1991 Theta 270 Rho 4.9
Obs 1 Vmag 10.1 Sp PmNote *
PmRA 43 PmDE -2 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 90724