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Current system
18286+0451
STTA 168 AB
HD 170316


Nearby doubles
24' : 18289+0514
CLV 1

25' : 18289+0515
LDS5237

38' : 18307+0431
STTA170

39' : 18262+0435
TDT 866

44' : 18291+0408
A 581AB

45' : 18284+0407
J 521

46' : 18305+0416
A 583

47' : 18283+0537
TDT 897

52' : 18272+0404
FAR 20

53' : 18280+0400
BAL2494

53' : 18301+0404
STF2322AB

55' : 18249+0454
J 2129AB

58' : 18254+0523
SLE 173

59' : 18258+0409
RAO 607

59' : 18322+0514
GWP2781

62' : 18253+0529
SLE 172

67' : 18258+0359
J 462

67' : 18278+0344
ARY 58

68' : 18259+0541
J 2130

69' : 18314+0545
TDT 925

79' : 18239+0527
SLE 167AB

79' : 18234+0431
BAL2927

80' : 18262+0602
TDT 865

80' : 18241+0535
SLE 169AB

80' : 18267+0337
BAL2493

80' : 18234+0432
SLE 164



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.

18286+0451 STTA 168 AB (HD 170316)

 
 
18h 28m 33.52s +04° 50' 55.2" P.A. 161.00 sep 47.2 mag 7.68,8.80 Sp A0 dist. 243.31 pc (793.68 l.y.)
 
 
Coord 2000 18286+0451 Discov num STTA168 Comp AB Coord arcsec 2000 18 28 33.52 +04 50 55.2
Date first 1875 Date last 2016 Obs 30
Pa first 165 Pa last 160.9 P.A. Now (θ) 160.9°
Sep first 48.1 Sep last 47.19 Sep. Now (ρ) 47.19"
Mag pri 7.68 Mag sec 8.80 delta mag (ΔM) 1.12 Spectral class A0 (white)
Pri motion ra -007 Sec motion ra +005
Pri motion dec -008 Sec motion dec +002
Notes N (See Notes)
rPM=1.469
This double is not physical.
 
 
18286+0451 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 170316 123539 18 28 34 +04 50 55 STTA 168 AB 2016 30 161 47.2 7.68 8.80 1.12 <===
Show 123539 18 28 34 +04 50 55 STTA 168 AC 2016 20 217 244.2 7.68 9.34 1.66
Show 123539 18 28 34 +04 50 55 SLE 179 AD 2016 13 210 251.7 7.68 12.22 4.54
Show 123539 18 28 34 +04 50 55 SLE 179 AE 2016 12 226 304.1 7.68 12.41 4.73
Show 123539 18 28 34 +04 50 55 SLE 179 AF 2016 10 233 288.5 7.68 12.83 5.15
Sextuple system
6 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 170316 Constellation Serpens SAO 123539 HIP 90547
Tycho2 0441-00170-1 Gaia DR2 4284285819726337792 HD 170316 BD BD+04 3758
Distance 243.31 Distance ly 793.68
 
 
WDS 18286+0451 STTA 168 AB (HD 170316) : NOTES
 
 
discov_num notes refcode
STTA168 B is BD+04@3759.
 
 
REFERENCES
 
 
refcode metd author reference
Sle1966 Mc j Soulie, G. 1966JO.....49..359S
Sle1966 +Pa J. Obs. 49, 359, 1966
Sle1983 Pa - Soulie, G. 1983A&AS...54..281S
Sle1983 A&AS 54, 281, 1983
Sle1984 Pa - Soulie, G. 1984A&AS...56..351S
Sle1984 A&AS 56, 351, 1984
Sle1985 Pa - Soulie, G. 1985A&AS...61...17S
Sle1985 A&AS 61, 17, 1985
Sle1986a Pa - Soulie, G. .
Sle1986a Bull. Inf. Cent. Donnes Stell. #30, 91, 1986
Sle1986b Pa - Soulie, G. .
Sle1986b Bull. Inf. Cent. Donnes Stell. #30, 103, 1986
Sle2003 C j Soulie, G. 2003O&T....56...10S
Sle2003 Obs. et Travaux 56, 10, 2003
Sle2006 Pa - Soulie, G. 2006O&T....62...26S
Sle2006 Obs. et Travaux 62, 26, 2006
Sle2006b Pa j Soulie, G. 2006O&T....63...15S
Sle2006b Obs. et Travaux 63, 15, 2006
Sle2007 C j Soulie, G. 2007O&T....65...34S
Sle2007 Obs. et Travaux 65, 34, 2007
STTA (O. Struve DD - Appendix list) ...................
Stt1864 Ma - Struve, O. 1864MNRAS..24..149S
Stt1864 MNRAS 24, 149, 1864
Stt1866 orb - Struve, O. .
Stt1866 Bull. Imp. Acad. Sci. St. Petersburg, 1866
Stt1874 orb - Struve, O. .
Stt1874 Compte Rendus 79, 1467, 1874
Stt1875 orb - Struve, O. 1875MNRAS..35..367S
Stt1875 MNRAS 35, 367, 1875
Stt1878 Ma - Struve, O. 1878ObPul...9....1S
Stt1878 Pulkova Observations 9, 1, 1878
Stt1879A Ma - Struve, O. 1879Obs.....2..304G
Stt1879A cited by Gledhill (Obs 2, 304, 1879)
Stt1879B Ma - Struve, O. 1879Obs.....3..245G
Stt1879B cited by Gledhill (Obs 3, 245, 1879)
Stt1879C Ma - Struve, O. 1879Obs.....2..344G
Stt1879C cited by Gledhill (Obs 2, 344, 1879)
Stt1880A Ma - Struve, O. 1880Obs.....2..605H
Stt1880A cited by Hunt (Obs. 3, 605, 1880)
Stt1880B Ma - Struve, O. 1880Obs.....3..535G
Stt1880B cited by Gledhill (Obs 3, 535, 1880)
Stt1880C Ma - Struve, O. 1880MNRAS..40..497B
Stt1880C cited by Burnham (MNRAS 40, 497, 1880)
Stt1884A Ma - Struve, O. 1884AReg...22..216S
Stt1884A cited by Sadler (Astr. Register 22, 216, 1884)
Stt1893a Ma j Struve, O. 1893ObPul..10....1S
Stt1893a Pulkova Obs. Observations 10, 1, 1893
Stt1906A Ma - Struve, O. 1906MmRAS..56....1L
Stt1906A cited by Lewis (MemRAS 56, 1, 1906)
Stt1906B Ma j Struve, O. 1906QB821.B972.....
Stt1906B cited in BDS (Burnham Double Star Cat., 1906)
Stt1908A Ma - Struve, O. 1908MNRAS..68..465B
Stt1908A cited by Barnard (MNRAS 68, 465, 1908)
Stt1913A Ma - Struve, O. 1913QB811.B8.......
Stt1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Stt1914A Ma - Struve, O. 1914AN....198..107R
Stt1914A cited by Rabe (AN 198, 107, 1914)
Stt1932A Ma - Struve, O. 1932QB821.A43......
Stt1932A cited in ADS (Aitken Double Star Cat., 1932)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18286+0451 STTA168 AB 2004 23 163 47.4 7.68 8.80 A0 N D 182833.52+045055.2
18286+0451 STTA168 AB 2016 25 162 47.2 7.68 8.80 A0 N 182833.52+045055.2

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

 
 
WDS 18286+0451 STTA 168 AB (HD 170316) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18286+0451 STTA 168 AB (HD 170316) : MEASURES
 
 
No records found.

 
 
WDS 18286+0451 (HD 170316) : VIRTUAL EYEPIECE
 
 

18286+0451 STTA168A mag 7.68 Sp A0 18286+0451 STTA168B sep 47.2 P.A. 161.00 mag 8.8 18286+0451 STTA168C sep 243.9 P.A. 217.00 mag 9.34 18286+0451 SLE 179D sep 251.4 P.A. 209.40 mag 12.22 18286+0451 SLE 179E sep 303.6 P.A. 225.60 mag 12.41 18286+0451 SLE 179F sep 287.9 P.A. 232.50 mag 12.83 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 18286+0451 (HD 170316) : ALADIN DSS IMAGE @ 18h 28m 33.52s +04° 50' 55.2"
 
 
 
 
WDS 18286+0451 STTA 168 AB (HD 170316) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18286+0451 STTA168AB distance=0' 18289+0514 CLV 1 distance=24' 18289+0515 LDS5237 distance=25' 18307+0431 STTA170 distance=38' 18262+0435 TDT 866 distance=39' 18291+0408 A 581AB distance=44' 18291+0408 A 581AB,C distance=44' 18284+0407 J 521 distance=45' 18305+0416 A 583 distance=46' 18283+0537 TDT 897 distance=47' 18272+0404 FAR 20 distance=52' 18280+0400 BAL2494 distance=53' 18301+0404 CHR 72Aa,Ab distance=53' 18301+0404 STF2322AB distance=53' 18301+0404 STF2322AC distance=53' 18301+0404 STF2322AD distance=53' 18249+0454 J 2129AB distance=55' 18249+0454 J 2129AC distance=55' 18254+0523 SLE 173 distance=58' 18258+0409 RAO 607 distance=59' 18322+0514 GWP2781 distance=59' 18253+0529 SLE 172 distance=62' 18258+0359 J 462 distance=67' 18278+0344 ARY 58 distance=67' 18259+0541 J 2130 distance=68' 18314+0545 TDT 925 distance=69' 18239+0527 SLE 167AB distance=79' 18239+0527 SLE 167AC distance=79' 18234+0431 BAL2927 distance=79' 18262+0602 TDT 865 distance=80' 18241+0535 SLE 169AB distance=80' 18241+0535 SLE 169AC distance=80' 18267+0337 BAL2493 distance=80' 18234+0432 SLE 164 distance=80' 18329+0539 SLE 495 distance=81' 18337+0426 GWP2786 distance=81' 18280+0612 CHR 71 distance=82' 18236+0525 TDT 829 distance=82' 18248+0350 BAL2491 distance=83' 18297+0616 GWP2779 distance=88' 18280+0618 TDS 923 distance=88' 18280+0620 TDT 895 distance=90' 18241+0552 TDT 834 distance=91' 18341+0530 J 1833 distance=91' 18243+0347 BAL2490 distance=91' 18225+0446 SLE 161 distance=91' 18233+0403 CLZ 73 distance=92' 18227+0420 TDT 825 distance=94' 18274+0624 GII 68 distance=95' 18269+0625 STT 350AB distance=98' 18269+0625 CAT 3AC distance=98' 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 18286+0451 STTA168 AB 161 47.2
Show 18286+0451 STTA168 AC 217 244.2
Show 18286+0451 SLE 179 AD 210 251.7
Show 18286+0451 SLE 179 AE 226 304.1
Show 18286+0451 SLE 179 AF 233 288.5
Show 18289+0514 CLV 1 355 40.8 24
Show 18289+0515 LDS5237 329 6.0 25
Show 18307+0431 STTA170 5 100.0 38
Show 18262+0435 TDT 866 274 0.5 39
Show 18291+0408 A 581 AB 140 0.4 44
Show 18291+0408 A 581 AB,C 227 10.2 44
Show 18284+0407 J 521 304 5.3 45
Show 18305+0416 A 583 265 0.2 46
Show 18283+0537 TDT 897 169 0.5 47
Show 18272+0404 FAR 20 126 60.3 52
Show 18280+0400 BAL2494 72 20.2 53
Show 18301+0404 CHR 72 Aa,Ab 285 0.1 53
Show 18301+0404 STF2322 AB 172 19.8 53
Show 18301+0404 STF2322 AC 295 67.2 53
Show 18301+0404 STF2322 AD 197 85.3 53
Show 18249+0454 J 2129 AB 117 12.7 55
Show 18249+0454 J 2129 AC 2 7.0 55
Show 18254+0523 SLE 173 133 19.0 58
Show 18258+0409 RAO 607 181 3.6 59
Show 18322+0514 GWP2781 267 114.8 59
Show 18253+0529 SLE 172 256 4.9 62
Show 18258+0359 J 462 347 4.1 67
Show 18278+0344 ARY 58 109 88.4 67
Show 18259+0541 J 2130 328 6.8 68
Show 18314+0545 TDT 925 241 0.6 69
Show 18239+0527 SLE 167 AB 244 13.6 79
Show 18239+0527 SLE 167 AC 325 17.0 79
Show 18234+0431 BAL2927 206 2.4 79
Show 18262+0602 TDT 865 1 2.1 80
Show 18241+0535 SLE 169 AB 343 12.0 80
Show 18241+0535 SLE 169 AC 351 30.8 80
Show 18267+0337 BAL2493 95 18.1 80
Show 18234+0432 SLE 164 34 9.6 80
Show 18329+0539 SLE 495 99 8.5 81
Show 18337+0426 GWP2786 211 213.7 81
Show 18280+0612 CHR 71 16 0.0 82
Show 18236+0525 TDT 829 158 0.6 82
Show 18248+0350 BAL2491 79 6.9 83
Show 18297+0616 GWP2779 88 36.9 88
Show 18280+0618 TDS 923 7 1.7 88
Show 18280+0620 TDT 895 226 1.8 90
Show 18241+0552 TDT 834 16 1.6 91
Show 18341+0530 J 1833 35 6.9 91
Show 18243+0347 BAL2490 289 19.2 91
Show 18225+0446 SLE 161 266 12.9 91
Show 18233+0403 CLZ 73 9 79.0 92

 
 
WDS 18286+0451 : COMPONENTS
 
 
  A B C D E
B pa=161.0°
sep=47.17"
 
C pa=217.0°
sep=243.91"
pa=227.2°
sep=221.05"
 
D pa=209.4°
sep=251.44"
pa=218.5°
sep=222.97"
pa=136.1°
sep=33.64"
 
E pa=225.6°
sep=303.56"
pa=234.2°
sep=286.54"
pa=255.9°
sep=72.27"
pa=274.1°
sep=93.63"
 
F pa=232.5°
sep=287.87"
pa=241.8°
sep=276.57"
pa=283.5°
sep=83.90"
pa=292.7°
sep=113.68"
pa=342.8°
sep=38.90"
 
 
18286+0451 A
 
 
Name HD 170316 Coord arcsec 2000 182833.52+045055.2 Mag 7.68 Spectral class A0 (white)
PmRA -7.00 PmDE -8.0 SAO 123539 HIP 90547
Tycho2 0441-00170-1 HD 170316 BD BD+04 3758
Tycho2
Tycho2 0441-00170-1 Pflag RAmdeg 277.13966576 DEmdeg 4.84867893
PmRA -10.0 PmDE -8.4 E RAmdeg 4 E DEmdeg 5
E pmRA 1.5 E pmDE 1.4 EpRAm 1991.62 EpDEm 1991.26
Num 11 Q RAmdeg 0.5 Q DEmdeg 0.4 Q pmRA 0.4
Q pmDE 0.5 BTmag 7.710 E BTmag 0.015 VTmag 7.683
E VTmag 0.011 Prox 472 TYC T HIP 90547
CCDM RAdeg 277.13968861 DEdeg 4.84869861 EpRA 1990 1.77
EpDE 1990 1.54 E RAdeg 4.1 E DEdeg 4.8 Posflg
Corr -0.4
SAO
SAO 123539 DelFlag RA1950 PmRA1950 0
DE1950 PmDE1950 -0.007 Vmag 8.1 SpType A0
Double code Source 32 CatNum 8547 DM BD+04 3758
DMcomp BDsup HD 170316 M HD 0
GC RA1950rad 4.82622614 DE1950rad 0.08404845 PmRA2000 0.0002
PmDE2000 -0.008
Hipparcos
Catalog H HIP 90547 Proxy RAhms 18 28 33.53
DEdms +04 50 55.3 Vmag 7.69 VarFlag R Vmag H
RAdeg 277.14 DEdeg 4.8487 AstroRef Plx 3.64
CCDM 18285+0450 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 170316 BD BD+04 3758
CD CP Dm number +04 3758 VIred 0.01
SpType A0 R SpType Coord arcsec 2000 182833.53+045055.3
Hipparcos 2
HIP 90547 Sn 5 So 0 Nc 1
RArad 4.8370001074 DErad 0.0846258013 Plx 4.11 PmRA -10.33
PmDE -9.48 E RArad 0.53 E DErad 0.47 E Plx 0.66
E pmRA 0.54 E pmDE 0.55 Hpmag 7.709 E Hpmag 0.0015
SHp 0.013 VA 0 BV 0.019 E BV 0.01
VI 0.04
 
 
18286+0451 B
 
 
Coord arcsec 2000 182834.55+045010.6 Mag 8.8 PmRA 5.00 PmDE 2.0
Tycho2 0441-00655-1 Calc delta mag 1.12 Calc coord yes
Tycho2
Tycho2 0441-00655-1 Pflag RAmdeg 277.14375308 DEmdeg 4.83623156
PmRA 6.7 PmDE 2.0 E RAmdeg 6 E DEmdeg 9
E pmRA 1.5 E pmDE 1.5 EpRAm 1991.47 EpDEm 1990.84
Num 9 Q RAmdeg 0.8 Q DEmdeg 1.6 Q pmRA 0.8
Q pmDE 1.6 BTmag 9.070 E BTmag 0.017 VTmag 8.799
E VTmag 0.015 Prox 472 TYC T HIP
CCDM RAdeg 277.14373806 DEdeg 4.83622667 EpRA 1990 1.83
EpDE 1990 1.52 E RAdeg 6.3 E DEdeg 9.0 Posflg
Corr -0.5
 
 
18286+0451 C
 
 
Coord arcsec 2000 182823.70+044740.4 Mag 9.34 PmRA 4.00 PmDE -2.0
Tycho2 0441-01516-1 Calc delta mag 1.66 Calc coord yes
Tycho2
Tycho2 0441-01516-1 Pflag RAmdeg 277.09847650 DEmdeg 4.79476488
PmRA 4.6 PmDE -1.1 E RAmdeg 12 E DEmdeg 16
E pmRA 1.4 E pmDE 1.4 EpRAm 1990.13 EpDEm 1988.48
Num 8 Q RAmdeg 0.7 Q DEmdeg 0.9 Q pmRA 0.7
Q pmDE 0.9 BTmag 10.875 E BTmag 0.046 VTmag 9.336
E VTmag 0.020 Prox 999 TYC T HIP
CCDM RAdeg 277.09846500 DEdeg 4.79476583 EpRA 1990 1.79
EpDE 1990 1.50 E RAdeg 13.1 E DEdeg 18.3 Posflg
Corr -0.2
 
 
18286+0451 D
 
 
Coord arcsec 2000 182825.26+044716.2 Mag 12.22 PmRA -2.00 PmDE -1.0
Calc delta mag 4.54 Calc coord yes
 
 
18286+0451 E
 
 
Coord arcsec 2000 182819.01+044722.8 Mag 12.41 PmRA 0.00 PmDE -3.0
Calc delta mag 4.73 Calc coord yes
 
 
18286+0451 F
 
 
Coord arcsec 2000 182818.24+044760.0 Mag 12.83 PmRA -1.00 PmDE 9.0
Calc delta mag 5.15 Calc coord yes