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Doubles in session


Current system
18365+0457
HJ 864
HD 171767


Nearby doubles
11' : 18360+0452
J 2138

12' : 18360+0506
A 354

14' : 18356+0456
BU 643AB

16' : 18357+0507
GRV 234

19' : 18363+0516
A 355

21' : 18327+0504
BAL3014AB

24' : 18379+0451
LDS5241

31' : 18385+0504
BAL2933

34' : 18387+0451
STT 360

34' : 18379+0432
BAL2932

37' : 18388+0446
RAO 395

46' : 18348+0534
CRT 28AB

48' : 18341+0530
J 1833

53' : 18337+0426
GWP2786

54' : 18391+0535
GWP2789AB

55' : 18382+0410
TDT 968

61' : 18344+0405
TDT 940

64' : 18349+0556
TDT 945AB

66' : 18350+0559
GWP2788

67' : 18322+0514
GWP2781

68' : 18329+0539
SLE 495

69' : 18379+0352
KPP 421

77' : 18413+0433
J 2143

83' : 18342+0341
ABT9001

90' : 18334+0341
HJ 861

91' : 18314+0545
TDT 925



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.

18365+0457 HJ 864 (HD 171767)

 
 
18h 36m 29.00s +04° 57' 18.3" P.A. 326.00 sep 19.6 mag 6.76,11.00 Sp K2III dist. 210.08 pc (685.28 l.y.)
 
 
Coord 2000 18365+0457 Discov num HJ  864 Comp Coord arcsec 2000 18 36 29.00 +04 57 18.3
Date first 1827 Date last 2015 Obs 13
Pa first 315 Pa last 326.2 P.A. Now (θ) 326.2°
Sep first 10.0 Sep last 19.644 Sep. Now (ρ) 19.644"
Mag pri 6.76 Mag sec 11.00 delta mag (ΔM) 4.24 Spectral class K2III (yellow-orange)
Pri motion ra +001 Sec motion ra +002
Pri motion dec -018 Sec motion dec +007
Notes
rPM=1.388
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 171767 Constellation Serpens SAO 123688 HIP 91220
Tycho2 0454-00345-1 Gaia DR2 4283880099944889344 HD 171767 GC 25421
BD BD+04 3806 Distance 210.08 Distance ly 685.28
 
 
WDS 18365+0457 HJ 864 (HD 171767) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HJ_1826 Mb - Herschel, J.F.W. 1826MmRAS...2..459H
HJ_1826 MemRAS 2, 459, 1826
HJ_1829a Mb - Herschel, J.F.W. 1829MmRAS...3...47H
HJ_1829a MemRAS 3, 47, 1829
HJ_1829b Mb - Herschel, J.F.W. 1829MmRAS...3..177H
HJ_1829b MemRAS 3, 177, 1829
HJ_1831 Ma - Herschel, J.F.W. 1831MmRAS...4..331H
HJ_1831 +Mb MemRAS 4, part 2, 331, 1831
HJ_1833a Ma - Herschel, J.F.W. 1833MmRAS...5...13H
HJ_1833a +Mb MemRAS 5, 13, 1833
HJ_1833b orb - Herschel, J.F.W. 1833MmRAS...5..171H
HJ_1833b MemRAS 5, 171, 1833
HJ_1833c Mb - Herschel, J.F.W. 1833MmRAS...6....1H
HJ_1833c MemRAS 6, 1, 1833
HJ_1833d orb - Herschel, J.F.W. 1833MmRAS...6..149H
HJ_1833d MemRAS 6, 149, 1833
HJ_1835 Ma - Herschel, J.F.W. 1835MmRAS...8...37H
HJ_1835 +Mb MemRAS 8, 37, 1835
HJ_1836 Mb - Herschel, J.F.W. 1836MmRAS...9..193H
HJ_1836 MemRAS 9, 193, 1836
HJ_1847a Ma j Herschel, J.F.W. .
HJ_1847a +Mb Cape Results, London, 1847 (Cape of Good Hope Astronomical Observations 1834-1838)
HJ_1847b Ma j Herschel, J.F.W. .
HJ_1847b Cape Results, London, 1847
HJ_1850 orb - Herschel, J.F.W. 1850MmRAS..18...47H
HJ_1850 MemRAS 18, 47, 1850
HJ_1870 Mb - Herschel, J.F.W. 1870MmRAS..38....1H
HJ_1870 MemRAS 38, 1, 1870
HJ_1874A - Herschel, J.F.W. 1874MNRAS..35...28B
HJ_1874A cited by Burnham (MNRAS 35, 28, 1874)
HJ_1875A Ma - Herschel, J.F.W. 1875AN.....85..323D
HJ_1875A +Mb cited by Doberck, 1875 (see Dob1875b,f,g,h)
HJ_1880A Ma - Herschel, J.F.W. 1880Obs.....3..508G
HJ_1880A +Mb cited by Gledhill (Obs 3, 508, 1880)
HJ_1880B Mb - Herschel, J.F.W. 1880MNRAS..40..497B
HJ_1880B cited by Burnham (MNRAS 40, 497, 1880)
HJ_1897A Ma j Herschel, J.F.W. 1897MNRAS..57..541S
HJ_1897A cited by See (MNRAS 57, 541, 1897)
HJ_1905A Ma - Herschel, J.F.W. 1905LicOB...3..147A
HJ_1905A +Mb cited by Aitken (Lick Obs. Bull. 3, 147, 1905)
HJ_1906A Ma - Herschel, J.F.W. 1906MmRAS..56....1L
HJ_1906A +Mb cited by Lewis (MemRAS 56, 1, 1906)
HJ_1906B Ma - Herschel, J.F.W. 1906QB821.B972.....
HJ_1906B +Mb cited in BDS (Burnham Double Star Cat.), 1906
HJ_1927A Mb - Herschel, J.F.W. 1927sdsc.book......
HJ_1927A cited in SDS (Southern Double Star Catalog), 1927
HJ_1932A Mb - Herschel, J.F.W. 1932QB821.A43......
HJ_1932A cited in ADS (Aitken Double Star Cat.), 1932
HJ_9999 M j Herschel, J.F.W. ...................
HJ_9999 +Ma Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18365+0457 HJ 864 2006 10 326 19.6 6.76 11.00 K2III D 183629.00+045718.3
18365+0457 HJ 864 2015 13 326 19.6 6.76 11.00 K2III 183629.00+045718.3

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

 
 
WDS 18365+0457 HJ 864 (HD 171767) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18365+0457 HJ 864 (HD 171767) : MEASURES
 
 
No records found.

 
 
WDS 18365+0457 (HD 171767) : VIRTUAL EYEPIECE
 
 

18365+0457 HJ 864A mag 6.76 Sp K2III 18365+0457 HJ 864B sep 19.6 P.A. 326.30 mag 11 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 18365+0457 (HD 171767) : ALADIN DSS IMAGE @ 18h 36m 29.00s +04° 57' 18.3"
 
 
 
 
WDS 18365+0457 HJ 864 (HD 171767) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18365+0457 HJ 864 distance=0' 18360+0452 J 2138 distance=11' 18360+0506 A 354 distance=12' 18356+0456 BU 643AB distance=14' 18356+0456 STF2342AC distance=14' 18356+0456 FOX9031AD distance=14' 18357+0507 GRV 234 distance=16' 18363+0516 A 355 distance=19' 18327+0504 BAL3014AB distance=21' 18327+0504 BAL3014BC distance=21' 18379+0451 LDS5241 distance=24' 18385+0504 BAL2933 distance=31' 18387+0451 STT 360 distance=34' 18379+0432 BAL2932 distance=34' 18388+0446 RAO 395 distance=37' 18348+0534 CRT 28AB distance=46' 18348+0534 CRT 28AC distance=46' 18348+0534 CRT 28AD distance=46' 18348+0534 CRT 28AE distance=46' 18348+0534 CRT 28AF distance=46' 18348+0534 CRT 28AG distance=46' 18348+0534 CRT 28AH distance=46' 18348+0534 CRT 28AI distance=46' 18348+0534 CRT 28AJ distance=46' 18348+0534 CRT 28AK distance=46' 18348+0534 CRT 28AL distance=46' 18348+0534 CRT 28AM distance=46' 18348+0534 CRT 28AN distance=46' 18348+0534 CRT 28AO distance=46' 18348+0534 CRT 28AP distance=46' 18348+0534 CRT 28AQ distance=46' 18348+0534 CRT 28AR distance=46' 18348+0534 CRT 28AS distance=46' 18348+0534 CRT 28AT distance=46' 18348+0534 CRT 28AU distance=46' 18348+0534 CRT 28AV distance=46' 18348+0534 CRT 28A,Wa distance=46' 18348+0534 CRT 28A,Wb distance=46' 18348+0534 CRT 28A,Wc distance=46' 18348+0534 CRT 28A,Wd distance=46' 18348+0534 CRT 28A,We distance=46' 18348+0534 CRT 28A,Wf distance=46' 18348+0534 CRT 28A,Wg distance=46' 18348+0534 CRT 28A,Wh distance=46' 18348+0534 CRT 28A,Wi distance=46' 18348+0534 CRT 28A,Wj distance=46' 18348+0534 CRT 28A,Wk distance=46' 18348+0534 CRT 28A,Wl distance=46' 18348+0534 CRT 28A,Wm distance=46' 18348+0534 CRT 28A,Wn distance=46' 18348+0534 CRT 28A,Wo distance=46' 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 18365+0457 HJ 864 326 19.6
Show 18360+0452 J 2138 140 5.2 11
Show 18360+0506 A 354 9 4.6 12
Show 18356+0456 BU 643 AB 325 13.7 14
Show 18356+0456 STF2342 AC 33.6 14
Show 18356+0456 FOX9031 AD 323 35.3 14
Show 18357+0507 GRV 234 359 33.6 16
Show 18363+0516 A 355 143 1.3 19
Show 18327+0504 BAL3014 AB 56 22.2 21
Show 18327+0504 BAL3014 BC 34 9.5 21
Show 18379+0451 LDS5241 329 29.8 24
Show 18385+0504 BAL2933 235 19.3 31
Show 18387+0451 STT 360 282 1.7 34
Show 18379+0432 BAL2932 297 18.3 34
Show 18388+0446 RAO 395 153 0.4 37
Show 18348+0534 CRT 28 AB 28 2.8 46
Show 18348+0534 CRT 28 AC 178 5.2 46
Show 18348+0534 CRT 28 AD 2 5.9 46
Show 18348+0534 CRT 28 AE 242 6.0 46
Show 18348+0534 CRT 28 AF 163 6.1 46
Show 18348+0534 CRT 28 AG 54 7.1 46
Show 18348+0534 CRT 28 AH 310 7.4 46
Show 18348+0534 CRT 28 AI 183 7.8 46
Show 18348+0534 CRT 28 AJ 235 8.4 46
Show 18348+0534 CRT 28 AK 61 9.1 46
Show 18348+0534 CRT 28 AL 83 11.3 46
Show 18348+0534 CRT 28 AM 65 11.5 46
Show 18348+0534 CRT 28 AN 341 11.7 46
Show 18348+0534 CRT 28 AO 352 12.0 46
Show 18348+0534 CRT 28 AP 114 12.2 46
Show 18348+0534 CRT 28 AQ 248 12.5 46
Show 18348+0534 CRT 28 AR 216 13.2 46
Show 18348+0534 CRT 28 AS 278 13.3 46
Show 18348+0534 CRT 28 AT 38 15.2 46
Show 18348+0534 CRT 28 AU 270 15.4 46
Show 18348+0534 CRT 28 AV 169 15.9 46
Show 18348+0534 CRT 28 A,Wa 5 16.8 46
Show 18348+0534 CRT 28 A,Wb 339 17.4 46
Show 18348+0534 CRT 28 A,Wc 287 17.7 46
Show 18348+0534 CRT 28 A,Wd 69 17.7 46
Show 18348+0534 CRT 28 A,We 151 17.7 46
Show 18348+0534 CRT 28 A,Wf 118 19.0 46
Show 18348+0534 CRT 28 A,Wg 249 19.6 46
Show 18348+0534 CRT 28 A,Wh 261 20.7 46
Show 18348+0534 CRT 28 A,Wi 52 20.8 46
Show 18348+0534 CRT 28 A,Wj 285 21.0 46
Show 18348+0534 CRT 28 A,Wk 231 21.3 46
Show 18348+0534 CRT 28 A,Wl 207 21.6 46
Show 18348+0534 CRT 28 A,Wm 189 21.7 46
Show 18348+0534 CRT 28 A,Wn 16 22.3 46
Show 18348+0534 CRT 28 A,Wo 318 22.5 46

 
 
WDS 18365+0457 : COMPONENTS
 
 
  A
B pa=326.3°
sep=19.62"
 
 
18365+0457 A
 
 
Componente originario normalizzato AB Name HD 171767 Coord arcsec 2000 183629.00+045718.3 Mag 6.76
Spectral class K2III (yellow-orange) PmRA 1.00 PmDE -18.0 SAO 123688
HIP 91220 Tycho2 0454-00345-1 HD 171767 GC 25421
BD BD+04 3806
Tycho2
Tycho2 0454-00345-1 Pflag RAmdeg 279.12083368 DEmdeg 4.95503450
PmRA 0.1 PmDE -18.3 E RAmdeg 4 E DEmdeg 5
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.60 EpDEm 1991.43
Num 14 Q RAmdeg 0.8 Q DEmdeg 0.6 Q pmRA 0.7
Q pmDE 0.6 BTmag 8.186 E BTmag 0.017 VTmag 6.847
E VTmag 0.010 Prox 999 TYC T HIP 91220
CCDM RAdeg 279.12083333 DEdeg 4.95507611 EpRA 1990 1.84
EpDE 1990 1.80 E RAdeg 4.2 E DEdeg 4.5 Posflg
Corr -0.4
SAO
SAO 123688 DelFlag RA1950 PmRA1950 0.0013
DE1950 PmDE1950 -0.026 Vmag 6.8 SpType K2
Double code Source 70 CatNum 25421 DM BD+04 3806
DMcomp BDsup HD 171767 M HD 0
GC 25421 RA1950rad 4.8608114 DE1950rad 0.08574072 PmRA2000 0.0015
PmDE2000 -0.027
Hipparcos
Catalog H HIP 91220 Proxy RAhms 18 36 29.00
DEdms +04 57 18.3 Vmag 6.73 VarFlag R Vmag H
RAdeg 279.121 DEdeg 4.95508 AstroRef Plx 5.31
CCDM 18365+0457 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 171767 BD BD+04 3806
CD CP Dm number +04 3806 VIred 1.05
SpType K1III R SpType Coord arcsec 2000 183629.00+045718.3
Hipparcos 2
HIP 91220 Sn 5 So 0 Nc 1
RArad 4.8715775595 DErad 0.0864824651 Plx 4.76 PmRA 0.57
PmDE -18.27 E RArad 0.42 E DErad 0.34 E Plx 0.53
E pmRA 0.41 E pmDE 0.38 Hpmag 6.8952 E Hpmag 0.001
SHp 0.008 VA 0 BV 1.142 E BV 0.009
VI 1.11
CCDM
Ccdm 18365+0457 RComp Comp A Note1
Note2 Discov num DRAs -0.99 DDEs 18.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.8 Sp K2 PmNote *
PmRA 5 PmDE -9 Dm number +04 3806 Cat1 BD
Name2 +04 2362 Cat2 AGK2/3 HD 171767 M HD
ADS BDS A11494 M ADS BDS N IDS IDS 18316N0452A
HIC 91220
 
 
18365+0457 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 183628.27+045734.6 Mag 11 PmRA 2.00
PmDE 7.0 Calc delta mag 4.24 Calc coord yes
CCDM
Ccdm 18365+0457 RComp Comp B Note1
Note2 Discov num HJ 864 DRAs DDEs
R dRAs Year 1910 Theta 323 Rho 18.2
Obs 8 Vmag 11.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11494 M ADS BDS N IDS IDS 18316N0452B
HIC