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Current system
17207-3641
RSS 437
HD 156687


Nearby doubles
21' : 17210-3701
B 906

28' : 17214-3707
BRT1714

37' : 17209-3604
SNA 70

37' : 17198-3606
WFC 288AB

39' : 17175-3645
TDT 297

42' : 17229-3713
SEE 327

50' : 17247-3649
BRT1716

57' : 17204-3544
TDT 312

59' : 17255-3647
BRT1718

60' : 17243-3722
RST3091

62' : 17246-3602
B 910

64' : 17228-3739
B 909

67' : 17209-3535
B 907

68' : 17234-3542
BRT1715

72' : 17227-3748
B 908AB

74' : 17254-3727
BRT1717

76' : 17261-3718
RST3096

77' : 17164-3545
HDO 267

80' : 17175-3532
SNA 67

89' : 17249-3530
LDS 595

90' : 17244-3759
RST3092

91' : 17268-3548
LDS 598

91' : 17271-3554
BRT1719

92' : 17131-3651
B 901

94' : 17241-3518
RST3090

95' : 17181-3810
SEE 324



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

17207-3641 RSS 437 (HD 156687)

 
 
17h 20m 40.30s -36° 40' 57.7" P.A. 161.00 sep 8.2 mag 5.82,10.45 Sp G8/K0III dist. 248.76 pc (811.46 l.y.)
 
 
Coord 2000 17207-3641 Discov num RSS 437 Comp Coord arcsec 2000 17 20 40.30 -36 40 57.7
Date first 1975 Date last 1999 Obs 2
Pa first 139 Pa last 160.5 P.A. Now (θ) 160.5°
Sep first 7.3 Sep last 8.17 Sep. Now (ρ) 8.17"
Mag pri 5.82 Mag sec 10.45 delta mag (ΔM) 4.63 Spectral class G8/K0III (yellow)
Pri motion ra -005 Sec motion ra
Pri motion dec -023 Sec motion dec
Notes K (K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 156687 Constellation Scorpius SAO 208702 HIP 84863
Tycho2 7374-00656-1 Gaia DR2 5975178881819028480 HD 156687 CD CD-3611419
CP CP-36 7234 Distance 248.76 Distance ly 811.46
 
 
WDS 17207-3641 RSS 437 (HD 156687) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Rss1996 Pa - Rousseau, J.M., Perie, J.P., & Gachard, M.T. 1996A&AS..116..301R
Rss1996 A&AS 116, 301, 1996
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17207-3641 RSS 437 1999 2 161 8.2 9.20   G8/K0III D 172040.30-364057.7

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

 
 
WDS 17207-3641 RSS 437 (HD 156687) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17207-3641 RSS 437 (HD 156687) : MEASURES
 
 
No records found.

 
 
WDS 17207-3641 (HD 156687) : VIRTUAL EYEPIECE
 
 

17207-3641 RSS 437A mag 5.82 Sp G8/K0III 17207-3641 RSS 437B sep 8.0 P.A. 164.10 mag 10.45 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 17207-3641 (HD 156687) : ALADIN DSS IMAGE @ 17h 20m 40.30s -36° 40' 57.7"
 
 
 
 
WDS 17207-3641 RSS 437 (HD 156687) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17207-3641 RSS 437 distance=0' 17210-3701 B 906 distance=21' 17214-3707 BRT1714 distance=28' 17209-3604 SNA 70 distance=37' 17198-3606 WFC 288AB distance=37' 17198-3606 SNA 69Aa,Ab distance=37' 17198-3606 SNA 69AC distance=37' 17198-3606 WSI 61Ba,Bb distance=37' 17175-3645 TDT 297 distance=39' 17229-3713 SEE 327 distance=42' 17247-3649 BRT1716 distance=50' 17204-3544 TDT 312 distance=57' 17255-3647 BRT1718 distance=59' 17243-3722 RST3091 distance=60' 17246-3602 B 910 distance=62' 17228-3739 B 909 distance=64' 17209-3535 B 907 distance=67' 17234-3542 BRT1715 distance=68' 17227-3748 B 908AB distance=72' 17227-3748 B 908AC distance=72' 17254-3727 BRT1717 distance=74' 17261-3718 RST3096 distance=76' 17164-3545 HDO 267 distance=77' 17175-3532 SNA 67 distance=80' 17249-3530 LDS 595 distance=89' 17244-3759 RST3092 distance=90' 17268-3548 LDS 598 distance=91' 17271-3554 BRT1719 distance=91' 17131-3651 B 901 distance=92' 17241-3518 RST3090 distance=94' 17181-3810 SEE 324 distance=95' 17227-3812 I 1317 distance=95' 17286-3638 NSN 383 distance=95' 17132-3714 B 2827 distance=96' 17136-3729 TDS 858 distance=98' 17289-3647 CHR 183 distance=100' 17137-3738 RST3969 distance=101' 17281-3555 BRT1720 distance=102' 17190-3459 SEE 509CD distance=104' 17190-3459 MLO 4AB distance=104' 17190-3459 HJ 4935AC distance=104' 17190-3459 SEE 509AD distance=104' 17190-3459 HJ 4935BC distance=104' 17190-3459 SEE 509BD distance=104' 17232-3821 RST1955 distance=104' 17128-3728 B 899 distance=106' 17139-3748 B 902 distance=106' 17185-3827 TDT 300 distance=110' 17160-3819 RST1945 distance=113' 17128-3751 TDT 264 distance=117' 17139-3818 HWE 86 distance=126' 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 17207-3641 RSS 437 161 8.2
Show 17210-3701 B 906 335 0.4 21
Show 17214-3707 BRT1714 9 1.7 28
Show 17209-3604 SNA 70 260 0.1 37
Show 17198-3606 WFC 288 AB 291 14.6 37
Show 17198-3606 SNA 69 Aa,Ab 14 0.2 37
Show 17198-3606 SNA 69 AC 300 7.9 37
Show 17198-3606 WSI 61 Ba,Bb 17 0.0 37
Show 17175-3645 TDT 297 292 0.5 39
Show 17229-3713 SEE 327 235 19.4 42
Show 17247-3649 BRT1716 321 3.1 50
Show 17204-3544 TDT 312 55 0.6 57
Show 17255-3647 BRT1718 73 2.4 59
Show 17243-3722 RST3091 1 2.4 60
Show 17246-3602 B 910 317 0.3 62
Show 17228-3739 B 909 72 2.9 64
Show 17209-3535 B 907 253 3.5 67
Show 17234-3542 BRT1715 296 5.9 68
Show 17227-3748 B 908 AB 115 2.7 72
Show 17227-3748 B 908 AC 208 9.7 72
Show 17254-3727 BRT1717 139 3.9 74
Show 17261-3718 RST3096 106 0.5 76
Show 17164-3545 HDO 267 19 76.1 77
Show 17175-3532 SNA 67 355 6.8 80
Show 17249-3530 LDS 595 277 25.8 89
Show 17244-3759 RST3092 64 0.3 90
Show 17268-3548 LDS 598 293 16.8 91
Show 17271-3554 BRT1719 328 2.2 91
Show 17131-3651 B 901 297 2.9 92
Show 17241-3518 RST3090 334 1.3 94
Show 17181-3810 SEE 324 83 0.1 95
Show 17227-3812 I 1317 247 0.3 95
Show 17286-3638 NSN 383 16 1.6 95
Show 17132-3714 B 2827 150 4.5 96
Show 17136-3729 TDS 858 70 1.4 98
Show 17289-3647 CHR 183 70 0.2 100
Show 17137-3738 RST3969 292 0.2 101
Show 17281-3555 BRT1720 223 2.7 102
Show 17190-3459 SEE 509 CD 294 119.7 104
Show 17190-3459 MLO 4 AB 323 1.3 104
Show 17190-3459 HJ 4935 AC 142 32.6 104
Show 17190-3459 SEE 509 AD 285 92.0 104
Show 17190-3459 HJ 4935 BC 136 31.4 104
Show 17190-3459 SEE 509 BD 312 20.3 104
Show 17232-3821 RST1955 51 0.4 104
Show 17128-3728 B 899 330 1.8 106
Show 17139-3748 B 902 71 1.6 106
Show 17185-3827 TDT 300 159 0.8 110
Show 17160-3819 RST1945 345 14.5 113
Show 17128-3751 TDT 264 205 1.0 117
Show 17139-3818 HWE 86 150 2.6 126

 
 
WDS 17207-3641 : COMPONENTS
 
 
  A
B pa=164.1°
sep=8.01"
 
 
17207-3641 A
 
 
Componente originario normalizzato AB Name HD 156687 Coord arcsec 2000 172040.30-364057.7 Mag 5.82
Spectral class G8/K0III (yellow) PmRA -5.00 PmDE -23.0 SAO 208702
HIP 84863 Tycho2 7374-00656-1 HD 156687 CD CD-3611419
CP CP-36 7234
Tycho2
Tycho2 7374-00656-1 Pflag RAmdeg 260.16791312 DEmdeg -36.68274191
PmRA -4.1 PmDE -23.2 E RAmdeg 13 E DEmdeg 18
E pmRA 1.5 E pmDE 1.4 EpRAm 1989.55 EpDEm 1986.65
Num 13 Q RAmdeg 0.5 Q DEmdeg 0.7 Q pmRA 0.4
Q pmDE 0.7 BTmag 11.014 E BTmag 0.055 VTmag 9.363
E VTmag 0.021 Prox 999 TYC T HIP 84863
CCDM RAdeg 260.16792417 DEdeg -36.68268583 EpRA 1990 1.71
EpDE 1990 1.45 E RAdeg 14.0 E DEdeg 21.1 Posflg
Corr 0.0
SAO
SAO 208702 DelFlag RA1950 PmRA1950 0.0008
DE1950 PmDE1950 -0.014 Vmag 9.1 SpType K2
Double code Source 41 CatNum 8652 DM CD-3611419
DMcomp BDsup HD 156687 M HD 0
GC RA1950rad 4.52604663 DE1950rad -0.63936444 PmRA2000 0.0008
PmDE2000 -0.013
Hipparcos
Catalog H HIP 84863 Proxy RAhms 17 20 40.30
DEdms -36 40 57.7 Vmag 9.22 VarFlag R Vmag H
RAdeg 260.168 DEdeg -36.6827 AstroRef Plx 1.75
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 156687 BD
CD CD-3611419 CP CP-36 7234 Dm number -3611419 VIred 1.09
SpType G8/K0III R SpType Coord arcsec 2000 172040.30-364057.7
Hipparcos 2
HIP 84863 Sn 5 So 0 Nc 1
RArad 4.5407868763 DErad -0.6402337476 Plx 4.02 PmRA -3.79
PmDE -22.93 E RArad 1.5 E DErad 0.69 E Plx 1.61
E pmRA 2.32 E pmDE 0.72 Hpmag 9.3767 E Hpmag 0.0021
SHp 0.016 VA 0 BV 1.359 E BV 0.049
VI 1.33
CCDM
Ccdm 17207-3641 RComp Comp A Note1
Note2 Discov num DRAs -1.77 DDEs 2.3
R dRAs 40 Year Theta Rho
Obs 2 Vmag 9.2 Sp G8 PmNote
PmRA 0 PmDE -20 Dm number -3611419 Cat1 CD
Name2 208702 Cat2 SAO HD 156687 M HD
ADS BDS M ADS BDS N IDS * IDS 17139S3635A
HIC 84863
 
 
17207-3641 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 172040.48-364105.4 Mag 10.45 Calc delta mag 4.63
Calc coord yes
CCDM
Ccdm 17207-3641 RComp Comp B Note1
Note2 Discov num RSU DRAs -1.38 DDEs -2.8
R dRAs 40 Year 1975 Theta 139 Rho 7.3
Obs Vmag Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS * IDS 17139S3635B
HIC 84863