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Current system
20001+1636
J 1204 AB


Nearby doubles
2' : 19599+1637
J 1203

11' : 20005+1643
BPMA225

19' : 20012+1642
BPM1929

23' : 20006+1657
BPM1921

23' : 19585+1627
ARY 60

25' : 19593+1613
BPM1908

26' : 19582+1630
BU 149AB

27' : 19597+1610
BPM1917

28' : 19580+1636
BPM1882AB

29' : 19579+1637
BPM1878

32' : 20019+1651
BPM1938

33' : 19592+1606
BPM1907

34' : 19592+1604
BPM1906

35' : 19578+1652
BPM1873

36' : 19580+1614
BPM1880

37' : 19576+1622
BPM1868

38' : 19585+1604
BPM1892

38' : 20010+1602
A 1665

39' : 19575+1652
BPM1866

40' : 20020+1702
BPM1942

42' : 19571+1643
BPMA218

43' : 20020+1707
BPM1941

44' : 19598+1553
BPMA223

44' : 19573+1614
BPM1860

44' : 19584+1713
BPM1890

45' : 19596+1720
BPM1912



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.

20001+1636 J 1204 AB

 
 
19h 59m 56.11s +16° 36' 18.0" P.A. 235.00 sep 40.2 mag 10.93,12.67
 
 
Coord 2000 20001+1636 Discov num J  1204 Comp AB Coord arcsec 2000 19 59 56.11 +16 36 18.0
Date first 1915 Date last 2015 Obs 5
Pa first 235 Pa last 234.8 P.A. Now (θ) 234.8°
Sep first 41.1 Sep last 40.15 Sep. Now (ρ) 40.15"
Mag pri 10.93 Mag sec 12.67 delta mag (ΔM) 1.74 Spectral class
Pri motion ra +003 Sec motion ra +017
Pri motion dec +001 Sec motion dec -004
Notes U (Proper motion indicates non-physical)
rPM=0.851
This double is not physical.
 
 
20001+1636 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 19 59 56 +16 36 18 J 1204 AB 2015 5 235 40.2 10.93 12.67 1.74 <===
Show 19 59 54 +16 35 55 J 1204 BC 2015 3 267 2.0 12.70 13.70 1.00
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagitta Tycho2 1616-01367-1 Gaia DR2 1820180137606630400 ADS 13231
 
 
WDS 20001+1636 J 1204 AB : 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
20001+1636 J 1204 AB 1915 1 235 41.1 9.30 12.00
20001+1636 J 1204 AB 1997 2 235 40.2 10.93 12.70 D 195956.11+163618.0
20001+1636 J 1204 AB 2006 3 235 40.2 10.93 12.70 D 195956.11+163618.0
20001+1636 J 1204 AB 2015 5 235 40.2 10.93 12.67 U 195956.11+163618.0

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

 
 
WDS 20001+1636 J 1204 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20001+1636 J 1204 AB : MEASURES
 
 
No records found.

 
 
WDS 20001+1636 : VIRTUAL EYEPIECE
 
 

20001+1636 J 1204A mag 10.93 20001+1636 J 1204B sep 40.3 P.A. 235.10 mag 12.7 20001+1636 J 1204C sep 42.0 P.A. 236.40 mag 13.7 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 20001+1636 : ALADIN DSS IMAGE @ 19h 59m 56.11s +16° 36' 18.0"
 
 
 
 
WDS 20001+1636 J 1204 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20001+1636 J 1204AB distance=0' 20001+1636 J 1204BC distance=1' 19599+1637 J 1203 distance=2' 20005+1643 BPMA225 distance=11' 20012+1642 BPM1929 distance=19' 20006+1657 BPM1921 distance=23' 19585+1627 ARY 60 distance=23' 19593+1613 BPM1908 distance=25' 19582+1630 BU 149AB distance=26' 19580+1636 BPM1883BC distance=27' 19597+1610 BPM1917 distance=27' 19582+1630 BU 149BC distance=28' 19580+1636 BPM1882AB distance=28' 19579+1637 BPM1878 distance=29' 20019+1651 BPM1938 distance=32' 19592+1606 BPM1907 distance=33' 19592+1604 BPM1906 distance=34' 19578+1652 BPM1873 distance=35' 19580+1614 BPM1880 distance=36' 19576+1622 BPM1868 distance=37' 19585+1604 BPM1892 distance=38' 20010+1602 A 1665 distance=38' 19575+1652 BPM1866 distance=39' 20020+1702 BPM1942 distance=40' 19571+1643 BPMA218 distance=42' 20020+1707 BPM1941 distance=43' 19598+1553 BPMA223 distance=44' 19573+1614 BPM1860 distance=44' 19584+1713 BPM1890 distance=44' 20024+1609 BPM1950BC distance=45' 19596+1720 BPM1912 distance=45' 20004+1720 SLE 676 distance=45' 20024+1609 BPM1949AB distance=45' 19569+1627 BPM1851 distance=46' 20015+1556 BPMA227 distance=46' 19573+1609 BPM1859 distance=47' 20011+1551 BPM1928 distance=49' 20011+1550 BPM1927 distance=50' 19582+1719 BPM1889 distance=50' 20031+1656 BPM1957 distance=50' 20034+1631 BPM1964 distance=50' 19564+1639 BPM1843 distance=51' 20006+1727 BPM1923 distance=52' 19586+1549 BPM1897 distance=52' 20036+1635 SLE 678 distance=53' 19563+1636 BPMA213 distance=53' 20036+1634 BPM1966 distance=53' 19573+1713 BPM1858 distance=53' 20025+1557 BPM1951 distance=54' 20001+1731 H 4 100BC distance=54' 20001+1731 H 4 100AB distance=54' 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 20001+1636 J 1204 AB 235 40.2
Show 20001+1636 J 1204 BC 267 2.0 1
Show 19599+1637 J 1203 352 2.1 2
Show 20005+1643 BPMA225 98 247.3 11
Show 20012+1642 BPM1929 144 31.6 19
Show 20006+1657 BPM1921 221 78.6 23
Show 19585+1627 ARY 60 123 42.1 23
Show 19593+1613 BPM1908 18 88.0 25
Show 19582+1630 BU 149 AB 278 127.0 26
Show 19580+1636 BPM1883 BC 23 106.5 27
Show 19597+1610 BPM1917 53 76.2 27
Show 19582+1630 BU 149 BC 202 8.1 28
Show 19580+1636 BPM1882 AB 61 110.2 28
Show 19579+1637 BPM1878 123 113.4 29
Show 20019+1651 BPM1938 82 118.4 32
Show 19592+1606 BPM1907 28 99.4 33
Show 19592+1604 BPM1906 125 77.9 34
Show 19578+1652 BPM1873 25 117.6 35
Show 19580+1614 BPM1880 62 70.1 36
Show 19576+1622 BPM1868 237 49.8 37
Show 19585+1604 BPM1892 280 21.6 38
Show 20010+1602 A 1665 88 3.0 38
Show 19575+1652 BPM1866 222 96.5 39
Show 20020+1702 BPM1942 288 114.8 40
Show 19571+1643 BPMA218 2 285.0 42
Show 20020+1707 BPM1941 347 105.5 43
Show 19598+1553 BPMA223 2 228.5 44
Show 19573+1614 BPM1860 55 78.0 44
Show 19584+1713 BPM1890 114 102.3 44
Show 20024+1609 BPM1950 BC 267 49.5 45
Show 19596+1720 BPM1912 304 92.0 45
Show 20004+1720 SLE 676 228 12.6 45
Show 20024+1609 BPM1949 AB 20 117.2 45
Show 19569+1627 BPM1851 123 86.0 46
Show 20015+1556 BPMA227 20 228.4 46
Show 19573+1609 BPM1859 194 97.1 47
Show 20011+1551 BPM1928 123 93.8 49
Show 20011+1550 BPM1927 3 113.2 50
Show 19582+1719 BPM1889 8 28.2 50
Show 20031+1656 BPM1957 81 96.1 50
Show 20034+1631 BPM1964 97 46.3 50
Show 19564+1639 BPM1843 293 18.0 51
Show 20006+1727 BPM1923 2 117.5 52
Show 19586+1549 BPM1897 204 36.4 52
Show 20036+1635 SLE 678 334 13.2 53
Show 19563+1636 BPMA213 317 214.0 53
Show 20036+1634 BPM1966 301 16.8 53
Show 19573+1713 BPM1858 212 120.0 53
Show 20025+1557 BPM1951 313 42.6 54
Show 20001+1731 H 4 100 BC 306 97.1 54
Show 20001+1731 H 4 100 AB 265 23.9 54

 
 
WDS 20001+1636 : COMPONENTS
 
 
  A B
B pa=235.1°
sep=40.33"
 
C pa=236.4°
sep=41.99"
pa=266.6°
sep=1.93"
 
 
20001+1636 A
 
 
Coord arcsec 2000 195956.11+163618.0 Mag 10.93 PmRA 3.00 PmDE 1.0
Tycho2 1616-01367-1 ADS 13231
Tycho2
Tycho2 1616-01367-1 Pflag RAmdeg 299.98381644 DEmdeg 16.60500608
PmRA 9.1 PmDE 2.3 E RAmdeg 65 E DEmdeg 69
E pmRA 2.8 E pmDE 2.7 EpRAm 1985.01 EpDEm 1983.83
Num 2 Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 12.681 E BTmag 0.289 VTmag 10.932
E VTmag 0.082 Prox 999 TYC HIP
CCDM RAdeg 299.98379472 DEdeg 16.60500083 EpRA 1990 1.67
EpDE 1990 1.57 E RAdeg 68.2 E DEdeg 72.0 Posflg
Corr 0.1
 
 
20001+1636 B
 
 
Coord arcsec 2000 195953.81+163554.9 Coord calc 195953.81+163554.9 Mag 12.7 PmRA 25.00
PmDE -3.0 Calc delta mag 1.77
 
 
20001+1636 C
 
 
Coord arcsec 2000 195953.68+163554.8 Mag 13.7 Calc delta mag 2.77 Calc coord yes