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Current system
18387+0821
J 1212


Nearby doubles
16' : 18397+0827
J 1213

19' : 18376+0833
J 2916AB

20' : 18391+0803
TDT 973

22' : 18374+0830
TDT 962

24' : 18380+0800
A 356

29' : 18368+0818
SLE 360

30' : 18384+0850
HU 198

39' : 18412+0811
TDT 995

41' : 18411+0841
J 526

46' : 18379+0905
TOB 293

46' : 18381+0906
J 1265AB

47' : 18418+0818
J 1214

48' : 18389+0909
HU 248

48' : 18396+0736
J 2141

49' : 18382+0909
TOB 292

55' : 18373+0732
STF2346

59' : 18355+0748
SLE 359

60' : 18352+0753
SLE 358

60' : 18349+0804
SLE 356AB

61' : 18417+0740
GII 62

62' : 18345+0813
GRV 233

63' : 18399+0722
STF2355AB

63' : 18352+0745
J 97

68' : 18422+0739
HEI 869

69' : 18349+0742
SLE 357AB

71' : 18344+0853
WFC 210



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.

18387+0821 J 1212

 
 
18h 38m 42.00s +08° 21' 29.4" P.A. 204.00 sep 2.1 mag 10.40,11.48 Sp F8
 
 
Coord 2000 18387+0821 Discov num J  1212 Comp Coord arcsec 2000 18 38 42.00 +08 21 29.4
Date first 1915 Date last 2016 Obs 7
Pa first 204 Pa last 203.5 P.A. Now (θ) 203.5°
Sep first 2.1 Sep last 2.08 Sep. Now (ρ) 2.08"
Mag pri 10.40 Mag sec 11.48 delta mag (ΔM) 1.08 Spectral class F8 (yellow-white)
Pri motion ra +005 Sec motion ra
Pri motion dec -008 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ophiuchus Tycho2 1025-01724-1 Gaia DR2 4479016613262619264 ADS 11527
 
 
WDS 18387+0821 J 1212 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
J__1908 Ma - Jonckheere, R. 1908BuAsI..25..458J
J__1908 Bull. Astronomique 25, 458, 1908
J__1909a Ma - Jonckheere, R. ...................
J__1909a Journal Astronomique 1, no. 1, 1, 1909
J__1909b Ma - Jonckheere, R. ...................
J__1909b Journal Astronomique 1, no. 2, 1909
J__1909c Ma - Jonckheere, R. ...................
J__1909c Journal Astronomique 1, no. 3, 1909
J__1910a Ma j Jonckheere, R. ...................
J__1910a Journal Astronomique 1, no. 4, 25, 1910
J__1910b Ma - Jonckheere, R. ...................
J__1910b Journal Astronomique 1, no. 5, 1910
J__1910c Ma j Jonckheere, R. ...................
J__1910c Journal Astronomique 1, no. 7, 1910
J__1910d Ma - Jonckheere, R. ...................
J__1910d Journal Astronomique 1, no. 7, 1910
J__1910e Ma j Jonckheere, R. ...................
J__1910e Journal Astronomique 1, no. 7, 1910
J__1910f Ma j Jonckheere, R. ...................
J__1910f Journal Astronomique 1, no. 10, 77, 1910
J__1910g Ma - Jonckheere, R. ...................
J__1910g Journal Astronomique 1, no. 11, 81, 1910
J__1910h Ma j Jonckheere, R. ...................
J__1910h Journal Astronomique 1, no. 12, 89, 1910
J__1910i Ma j Jonckheere, R. ...................
J__1910i Journal Astronomique 1, no. 13, 98, 1910
J__1911a Ma - Jonckheere, R. ...................
J__1911a Journal Astronomique 1, no. 15, 114, 1911
J__1911b Ma j Jonckheere, R. ...................
J__1911b Journal Astronomique 1, no. 16, 121, 1911
J__1911c Ma j Jonckheere, R. 1911MNRAS..71..750J
J__1911c MNRAS 71, 750, 1911
J__1911d Ma - Jonckheere, R. 1911MNRAS..72...45J
J__1911d MNRAS 72, 45, 1911
J__1911e Ma - Jonckheere, R. 1911MNRAS..72..156J
J__1911e MNRAS 72, 156, 1911
J__1911f Ma j Jonckheere, R. 1911MNRAS..72..162J
J__1911f MNRAS 72, 162, 1911
J__1912a Ma j Jonckheere, R. 1912MNRAS..72..188J
J__1912a MNRAS 72, 188, 1912
J__1912b Ma j Jonckheere, R. ...................
J__1912b Journal Astronomique 1, no. 17, 129, 1912
J__1912c Ma - Jonckheere, R. ...................
J__1912c Journal Astronomique 1, no. 19, 134, 1912
J__1912d Ma j Jonckheere, R. ...................
J__1912d Journal Astronomique 1, no. 21, 145, 1912
J__1912e Ma - Jonckheere, R. ...................
J__1912e Journal Astronomique 1, no. 22, 148, 1912
J__1912f Ma j Jonckheere, R. ...................
J__1912f Journal Astronomique 1, no. 23, 150, 1912
J__1912g Ma j Jonckheere, R. ...................
J__1912g Journal Astronomique 2, no. 25, 1, 1912
J__1912h Ma - Jonckheere, R. ...................
J__1912h Journal Astronomique 2, no. 26, 5, 1912
J__1913a Ma j Jonckheere, R. ...................
J__1913a Journal Astronomique 2, no. 27, 9, 1913
J__1913b Ma j Jonckheere, R. ...................
J__1913b Journal Astronomique 2, no. 28, 13, 1913
J__1914 Ma - Jonckheere, R. ...................
J__1914 Journal Astronomique 2, no. 29, 18, 1914
J__1917a Ma - Jonckheere, R. 1917MmRAS..61....1J
J__1917a MemRAS 61, 1, 1917
J__1917c Ma j Jonckheere, R. 1917AJ.....31....1J
J__1917c AJ 31, 1, 1917
J__1918 Ma - Jonckheere, R. 1918AJ.....31..113J
J__1918 AJ 31, 113, 1918
J__1918b Ma j Jonckheere, R. 1918MNRAS..78..479J
J__1918b MNRAS 78, 479, 1918
J__1919 Ma j Jonckheere, R. 1919AJ.....32...65J
J__1919 AJ 32, 65, 1919
J__1920 Ma - Jonckheere, R. 1920AJ.....32..166J
J__1920 AJ 32, 166, 1920
J__1924 Ma - Jonckheere, R. 1924AJ.....35..173J
J__1924 +Mb AJ 35, 173, 1924
J__1930 Ma j Jonckheere, R. 1930JO.....13...76J
J__1930 J. Obs. 13, 76, 1930
J__1941a Ma - Jonckheere, R. 1941JO.....24...21J
J__1941a J. Obs. 24, 21, 1941
J__1941b Ma - Jonckheere, R. 1941JO.....24...69J
J__1941b +Mb J. Obs. 24, 69, 1941
J__1941c Ma - Jonckheere, R. 1941JO.....24...93J
J__1941c +Mb J. Obs. 24, 93, 1941
J__1941d Ma - Jonckheere, R. 1941JO.....24..114J
J__1941d +Mb J. Obs. 24, 114, 1941
J__1942a Ma - Jonckheere, R. 1942JO.....25...11J
J__1942a J. Obs. 25, 11, 1942
J__1942b Ma - Jonckheere, R. 1942JO.....25...15J
J__1942b J. Obs. 25, 15, 1942
J__1942c Ma - Jonckheere, R. 1942JO.....25...25J
J__1942c +Mb J. Obs. 25, 25, 1942
J__1942d Mb - Jonckheere, R. 1942JO.....25...78J
J__1942d J. Obs. 25, 78, 1942
J__1943 Ma - Jonckheere, R. 1943JO.....26...28J
J__1943 +Mb J. Obs. 26, 28, 1943
J__1944a Ma j Jonckheere, R. 1944JO.....27....1J
J__1944a +Mb J. Obs. 27, 1, 1944
J__1944b Ma - Jonckheere, R. 1944JO.....27....5J
J__1944b J. Obs. 27, 5, 1944
J__1944c Mb - Jonckheere, R. 1944JO.....27....6J
J__1944c J. Obs. 27, 6, 1944
J__1944d Ma j Jonckheere, R. 1944JO.....27....7J
J__1944d +Mb J. Obs. 27, 7, 1944
J__1944e Ma - Jonckheere, R. 1944JO.....27...11J
J__1944e J. Obs. 27, 11, 1944
J__1945 Ma - Jonckheere, R. 1945JO.....28...26J
J__1945 +Mb J. Obs. 28, 26, 1945
J__1946 Mb j Jonckheere, R. 1946JO.....29...49J
J__1946 J. Obs. 29, 49, 1946
J__1948 Ma j Jonckheere, R. 1948JO.....31...65J
J__1948 J. Obs. 31, 65, 1948
J__1949a Ma j Jonckheere, R. 1949JO.....32...13J
J__1949a +Mb J. Obs. 32, 13, 1949
J__1949b Ma j Jonckheere, R. 1949JO.....32...81J
J__1949b +Mb J. Obs. 32, 81, 1949
J__1952 M+ j Jonckheere, R. 1952JO.....35...37J
J__1952 +Pa J. Obs. 35, 37, 1952
J__1953a Ma - Jonckheere, R. 1953JO.....36...44J
J__1953a J. Obs. 36, 44, 1953
J__1953b Mb j Jonckheere, R. 1953JO.....36...49J
J__1953b J. Obs. 36, 49, 1953
J__1954 Mb j Jonckheere, R. 1954JO.....37...13J
J__1954 J. Obs. 37, 13, 1954
J__1955 Mb - Jonckheere, R. 1955JO.....38..254J
J__1955 J. Obs. 38, 254, 1955
J__1957 Mb j Jonckheere, R. 1957JO.....40....1J
J__1957 J. Obs. 40, 1, 1957
J__1958 Mb j Jonckheere, R. 1958JO.....41..145J
J__1958 J. Obs. 41, 145, 1958
J__1962a M+ j Jonckheere, R. 1962QB821.J64......
J__1962a +Pa General Cat. of Double Stars, Marseille, 1962
J__1962b Ma - Jonckheere, R. (measure by Vanderdonck, J.) 1962QB821.J64......
J__1962b General Cat. of Double Stars, Marseille, 1962
J__1963A - Jonckheere, R. 1963icvd.book.....J
J__1963A cited in IDS (Lick Index Cat.), 1963
J__9999 Ma - Jonckheere, R. ...................
J__9999 +Pp 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
18387+0821 J 1212 2003 6 204 2.1 10.40 11.48 F8 183842.00+082129.4
18387+0821 J 1212 2016 7 204 2.1 10.40 11.48 F8 183842.00+082129.4

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

 
 
WDS 18387+0821 J 1212 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18387+0821 J 1212 : MEASURES
 
 
No records found.

 
 
WDS 18387+0821 : VIRTUAL EYEPIECE
 
 

18387+0821 J 1212A mag 10.4 Sp F8 18387+0821 J 1212B sep 2.1 P.A. 203.30 mag 11.48 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 18387+0821 : ALADIN DSS IMAGE @ 18h 38m 42.00s +08° 21' 29.4"
 
 
 
 
WDS 18387+0821 J 1212 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18387+0821 J 1212 distance=0' 18397+0827 J 1213 distance=16' 18376+0833 J 2916AB distance=19' 18376+0833 DAM 112AC distance=19' 18391+0803 TDT 973 distance=20' 18374+0830 TDT 962 distance=22' 18380+0800 A 356 distance=24' 18368+0818 SLE 360 distance=29' 18384+0850 HU 198 distance=30' 18412+0811 TDT 995 distance=39' 18411+0841 J 526 distance=41' 18379+0905 TOB 293 distance=46' 18381+0906 J 1265AB distance=46' 18381+0906 J 1265AC distance=46' 18418+0818 J 1214 distance=47' 18389+0909 HU 248 distance=48' 18396+0736 J 2141 distance=48' 18382+0909 TOB 292 distance=49' 18373+0732 STF2346 distance=55' 18355+0748 SLE 359 distance=59' 18352+0753 SLE 358 distance=60' 18349+0804 SLE 356AB distance=60' 18349+0804 SLE 356AC distance=60' 18349+0804 SLE 356AD distance=60' 18417+0740 GII 62 distance=61' 18345+0813 GRV 233 distance=62' 18399+0722 STF2355AB distance=63' 18399+0722 STF2355AC distance=63' 18399+0722 FOX 233AD distance=63' 18352+0745 J 97 distance=63' 18422+0739 HEI 869 distance=68' 18349+0742 SLE 357BC distance=69' 18349+0742 SLE 357AB distance=69' 18349+0742 SLE 357AC distance=69' 18398+0709 BRT2178CD distance=71' 18344+0853 WFC 210 distance=71' 18427+0742 HEI 870AB distance=72' 18427+0742 HEI 870Aa,Ab distance=72' 18398+0709 SLE1031AB distance=75' 18431+0742 LDS1013BC distance=75' 18422+0916 CVE 12 distance=76' 18422+0917 BRT2179 distance=76' 18431+0742 LDS1013AB distance=77' 18395+0703 J 1271 distance=77' 18397+0704 J 102AB distance=78' 18397+0704 J 102AC distance=78' 18395+0704 J 1272 distance=78' 18334+0816 STT 355 distance=80' 18405+0937 FYM 261AB distance=80' 18405+0937 FYM 261AC distance=80' 18405+0937 FYM 261BC distance=81' 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 18387+0821 J 1212 204 2.1
Show 18397+0827 J 1213 128 2.2 16
Show 18376+0833 J 2916 AB 41 6.3 19
Show 18376+0833 DAM 112 AC 291 6.9 19
Show 18391+0803 TDT 973 299 0.7 20
Show 18374+0830 TDT 962 58 0.5 22
Show 18380+0800 A 356 224 1.0 24
Show 18368+0818 SLE 360 321 8.4 29
Show 18384+0850 HU 198 126 0.5 30
Show 18412+0811 TDT 995 54 0.4 39
Show 18411+0841 J 526 237 2.6 41
Show 18379+0905 TOB 293 189 21.8 46
Show 18381+0906 J 1265 AB 115 2.9 46
Show 18381+0906 J 1265 AC 21 10.2 46
Show 18418+0818 J 1214 160 4.0 47
Show 18389+0909 HU 248 295 2.0 48
Show 18396+0736 J 2141 201 5.9 48
Show 18382+0909 TOB 292 208 17.4 49
Show 18373+0732 STF2346 298 30.3 55
Show 18355+0748 SLE 359 5 17.2 59
Show 18352+0753 SLE 358 166 15.6 60
Show 18349+0804 SLE 356 AB 39 17.9 60
Show 18349+0804 SLE 356 AC 178 51.5 60
Show 18349+0804 SLE 356 AD 159 45.6 60
Show 18417+0740 GII 62 246 0.9 61
Show 18345+0813 GRV 233 217 14.9 62
Show 18399+0722 STF2355 AB 127 21.7 63
Show 18399+0722 STF2355 AC 38 109.6 63
Show 18399+0722 FOX 233 AD 225 46.6 63
Show 18352+0745 J 97 112 3.5 63
Show 18422+0739 HEI 869 225 2.0 68
Show 18349+0742 SLE 357 BC 287 7.4 69
Show 18349+0742 SLE 357 AB 327 8.1 69
Show 18349+0742 SLE 357 AC 308 14.6 69
Show 18398+0709 BRT2178 CD 169 5.2 71
Show 18344+0853 WFC 210 50 7.4 71
Show 18427+0742 HEI 870 AB 347 1.7 72
Show 18427+0742 HEI 870 Aa,Ab 246 0.9 72
Show 18398+0709 SLE1031 AB 299 12.2 75
Show 18431+0742 LDS1013 BC 226 0.4 75
Show 18422+0916 CVE 12 349 3.5 76
Show 18422+0917 BRT2179 250 5.4 76
Show 18431+0742 LDS1013 AB 294 112.8 77
Show 18395+0703 J 1271 97 5.9 77
Show 18397+0704 J 102 AB 50 4.2 78
Show 18397+0704 J 102 AC 294 30.8 78
Show 18395+0704 J 1272 138 4.3 78
Show 18334+0816 STT 355 249 37.8 80
Show 18405+0937 FYM 261 AB 354 15.0 80
Show 18405+0937 FYM 261 AC 339 16.1 80
Show 18405+0937 FYM 261 BC 268 5.9 81

 
 
WDS 18387+0821 : COMPONENTS
 
 
  A
B pa=203.3°
sep=2.08"
 
 
18387+0821 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 183842.00+082129.4 Mag 10.4 Spectral class F8 (yellow-white)
PmRA 5.00 PmDE -8.0 Tycho2 1025-01724-1 ADS 11527
DM BD+08 3782
Tycho2
Tycho2 1025-01724-1 Pflag RAmdeg 279.67499826 DEmdeg 8.35816611
PmRA 5.2 PmDE -7.8 E RAmdeg 28 E DEmdeg 33
E pmRA 2.5 E pmDE 2.4 EpRAm 1990.34 EpDEm 1989.58
Num 3 Q RAmdeg 0.1 Q DEmdeg 0.3 Q pmRA 0.1
Q pmDE 0.3 BTmag 10.901 E BTmag 0.050 VTmag 10.403
E VTmag 0.046 Prox 20 TYC T HIP
CCDM RAdeg 279.67498611 DEdeg 8.35818389 EpRA 1990 1.79
EpDE 1990 1.78 E RAdeg 28.2 E DEdeg 32.8 Posflg D
Corr -0.2
CCDM
Ccdm 18387+0821 RComp Comp A Note1
Note2 Discov num DRAs -0.10 DDEs 29.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 10.7 Sp F8 PmNote *
PmRA -13 PmDE -18 Dm number +08 3782 Cat1 BD
Name2 +08 2344 Cat2 AGK2/3 HD M HD
ADS BDS A11527 M ADS BDS N IDS IDS 18339N0816A
HIC
 
 
18387+0821 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 183841.94+082127.5 Mag 11.48 Calc delta mag 1.08
Calc coord yes
CCDM
Ccdm 18387+0821 RComp Comp B Note1
Note2 Discov num J 1212 DRAs DDEs
R dRAs Year 1915 Theta 204 Rho 2.0
Obs 4 Vmag 12.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11527 M ADS BDS N IDS IDS 18339N0816B
HIC