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Doubles in session


Current system
19305-1944
USN 4


Nearby doubles
21' : 19292-1937
BHA 30

38' : 19280-1929
TDT1473

41' : 19281-1921
UC 3942

44' : 19315-2025
OCC 38

49' : 19338-1935
J 1761

52' : 19289-1857
UC 3947

54' : 19342-1934
HDS2778

58' : 19281-2031
OCC 39

61' : 19270-2020
BRT1553

63' : 19338-2024
HJ 2879

63' : 19337-1901
KPP 919

64' : 19262-2002
ARA1186

64' : 19265-1915
ARA 783

64' : 19337-2029
B 440

65' : 19344-1913
ARA 786

66' : 19267-1907
UC 3937

67' : 19287-2045
ARA1189

67' : 19338-1858
ARA 785

71' : 19315-2053
RST5548AB

73' : 19357-1947
ARA 787

76' : 19252-1953
BRT1551

76' : 19292-1831
UC 3949

81' : 19268-2046
ARA1187

81' : 19336-1837
HJ 5128AB

84' : 19262-2042
UC 3934

86' : 19252-1858
ARA 782



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.

19305-1944 USN 4

 
 
19h 30m 27.48s -19° 43' 49.4" P.A. 203.00 sep 1.5 mag 15.00,15.80 Sp M6.5V+M8
 
 
Coord 2000 19305-1944 Discov num USN   4 Comp Coord arcsec 2000 19 30 27.48 -19 43 49.4
Date first 2012 Date last 2012 Obs 1
Pa first 203 Pa last 202.5 P.A. Now (θ) 202.5°
Sep first 1.5 Sep last 1.5 Sep. Now (ρ) 1.5"
Mag pri 15.00 Mag sec 15.80 delta mag (ΔM) 0.8 Spectral class M6.5V+M8 (red/red)
Pri motion ra +242 Sec motion ra
Pri motion dec -089 Sec motion dec
Notes V R (Proper motion indicates physical, Red magnitudes)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius Gaia DR2 6773395220888949888
 
 
WDS 19305-1944 USN 4 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
USN (U.S. Naval Observatory)
USN1929 Ma j Watts, C.B. 1929PUSNO..12..235.
USN1929 Pub. USNO 12, 235, 1929
USN1963 Po j Franz, O.G., Gossner, J.L., Josties, F.J., Lindenblad, I.W., Mikesell, A.H., 1964PUSNO..18....2F
USN1963 Mintz, B.F. & Riddle, R.K.
USN1963 Pub. USNO 18, Pt.1, 1963
USN1969 Po j Kallarakal, V.V., Lindenblad, I.W., Josties, F.J., Riddle, R.K., Miranian, M., 1969PUSNO..18....2K
USN1969 Mintz, B.F., & Klugh, A.P.
USN1969 Pub. USNO 18, Pt.7, 1969
USN1970 Po - Riddle, R.K. & Priser, J.B. 1971PUSNO..20....1R
USN1970 Pub. USNO 20, Pt.3A, 1970
USN1972 Po - Routley, P.M. & Riddle, R.K. 1972PUSNO..20....1R
USN1972 Pub. USNO 20, Pt.6, 1972
USN1974 Po j Josties, F.J., Dahn, C.C., Kallarakal, V.V., Miranian, M., & Douglass, G.G. 1974PUSNO..22....1J
USN1974 Pub. USNO 22, Pt.6, 1974
USN1975 Po - Harrington, R.S., Dahn, C.C., Behall, A.L., Priser, J.B., Christy, J.W., Riepe, 1978PUSNO..24....1H
USN1975 B.Y., Ables, H.D., Guetter, H.H., et al.
USN1975 Pub. USNO 24, Pt.1, 1975
USN1976 Po - Dahn, C.C., Harrington, R., Riepe, B.Y., Christy, J.W., Guetter, H.H., 1976PUSNO..24....1D
USN1976 Behall, A.L., Walker, R.L., Hewitt, A.V., & Ables, H.D.
USN1976 Pub. USNO 24, Pt.3, 1976
USN1978 Po j Josties, F.J., Kallarakal, V.V., Douglass, G.G., & Christy, J.W. 1978PUSNO..24....1J
USN1978 Pub. USNO 24, Pt.5, 1978
USN1982 Po - Dahn, C.C., Harrington, R.S., Riepe, B.Y., Christy, J.W., Guetter, H.H., 1982AJ.....87..419D
USN1982 Kallarakal, V.V., Miranian, M., Walker, R.L., et al.
USN1982 AJ 87, 419, 1982
USN1984 Po j Josties, F.J. & Harrington, R.S. 1984ApJS...54..103J
USN1984 ApJS 54, 103, 1984
USN1985 Po - Harrington, R.S., Kallarakal, V.V., Christy, J.W., Dahn, C.C., Riepe, B.Y., 1985AJ.....90..123H
USN1985 Guetter, H.H., Ables, H.D., Hewitt, A.V., et al.
USN1985 AJ 90, 123, 1985
USN1988a Po - Dahn, C.C., Harrington, R.S., Kallarakal, V.V., Guetter, H.H., Luginbuhl, C.B., 1988AJ.....95..237D
USN1988a +orb Riepe, B.Y., Walker, R.L., Pier, J.R., et al.
USN1988a AJ 95, 237, 1988
USN1988b Po j Geyer, D., Harrington, R., & Worley, C. 1988AJ.....95.1841G
USN1988b +orb AJ 95, 1841, 1988
USN1988b +H
USN1992 Z - Guetter, H.H. 1992AJ....103..197G
USN1992 AJ 103, 197, 1992
USN1993 Po - Harrington, R.S., Dahn, C.C., Kallarakal, V.V., Guetter, H.H., Riepe, B.Y., 1993AJ....105.1571H
USN1993 Walker, R.L., Pier, J.R., Vrba, F.J., et al.
USN1993 AJ 105, 1571, 1993
USN1998 Pa u Monet, D., Bird A., Canzian B., Dahn C., Guetter H., Harris H., Henden A., ...................
USN1998 Levine S., Luginbuhl C., Monet A.K.B., Rhodes A., Riepe B., et al.
USN1998 USNO-A2.0 Catalogue (Vizier I/252)
USN1999a orb - Seymour, D. & Mason, B. 1999IAUDS.139R...2S
USN1999a Inf. Circ. 139, 2, 1999
USN1999b orb - Seymour, D. & Hartkopf, W. 1999IAUDS.139Q...2S
USN1999b Inf. Circ. 139, 2, 1999
USN2000 Pa j Monet, D.G., Fisher, M.D., Liebert, J., Canzian, B., Harris, H.C., & Reid, I.N. 2000AJ....120.1541M
USN2000 AJ 120, 1541, 2000
USN2000b orb - Seymour, D. & Mason, B. 2000IAUDS.140....1S
USN2000b Inf. Circ. 140, 1, 2000
USN2000c orb - Seymour, D. & Mason, B. 2000IAUDS.141....2S
USN2000c Inf. Circ. 141, 2, 2000
USN2001 orb - Seymour, D. 2001IAUDS.145....1S
USN2001 Inf. Circ. 145, 1, 2001
USN2002 orb - Seymour, D., Mason, B.D., Hartkopf, W.I., & Wycoff, G.L. 2002AJ....123.1023S
USN2002 AJ 123, 1023, 2002
USN2006a orb - Brendley, M. & Hartkopf, W.I. 2006IAUDS.160Q...1B
USN2006a Inf. Circ. 160, 1, 2006
USN2006b orb - Brendley, M. & Mason, B.D. 2006IAUDS.160R...1B
USN2006b Inf. Circ. 160, 1, 2006
USN2007a orb - Brendley, M. & Hartkopf, W.I. 2007IAUDS.163Q...1B
USN2007a Inf. Circ. 163, 1, 2007
USN2007b orb - Brendley, M. & Mason, B.D. 2007IAUDS.163R...1B
USN2007b Inf. Circ. 163, 1, 2007
USN2011a lin - Friedman, E.A., Mason, B.D., & Hartkopf, W.I. 2011IAUDS.175....1F
USN2011a Inf. Circ. 175, 1, 2011
USN2011b lin - Friedman, E.A., Hartkopf, W.I., & Mason, B.D. ...................
USN2011b private communication, 2011
USN2012a lin - Friedman, E.A., Mason, B.D., & Hartkopf, W.I. 2012IAUDS.176....1F
USN2012a Inf. Circ. 176, 1, 2012
USN2013a lin - Hurowitz, J.L., Hartkopf, W.I., & Mason, B.D. 2013IAUDS.181....1H
USN2013a Inf. Circ. 181, 1, 2013
USN2013b A+ j Harris, H.C., Dahn, C.C., Dupuy, T.J., Canzian, B., Guetter, H.H., Hartkopf, W.I., 2013ApJ...779...21H
USN2013b +X Ireland, M.J., Leggett, S.K., Levine, S.E., Liu, M.C., Luginbuhl, C.B.,
USN2013b +Z Monet, A.K.B., Stone, R.C., Subasavage, J.P., Tilleman, T., & Walker, R.L.
USN2013b +orb ApJ 779, 21, 2013
USN2014a lin - Hurowitz, J.L., Hartkopf, W.I., & Mason, B.D. 2014IAUDS.182....1H
USN2014a Inf. Circ. 182, 1, 2014
USN2014b lin - Hurowitz, J.L., Hartkopf, W.I., & Mason, B.D. 2014IAUDS.183....1H
USN2014b Inf. Circ. 183, 1, 2014
USN2014c - U.S. Naval Observatory ...................
USN2014c 2014 Astronomical Almanac magnitude information ...................
USN2015 not - Harris, H.C., Dahn, C.C. & Dupuy, T.J. 2015csss...18..413H
USN2015 18th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, 413, 2015
USN2017 C+ - Dahn, C.C., Harris, H.C., Subasavage, J.P., Ables, H.D., Canzian, B.J., Guetter, 2017AJ....154..147D
USN2017 +not H.H., Harris, F.H., Henden, A.H., Leggett, S.K., Levine, S.E., Luginbuhl, C.B.,
USN2017 Monet, A.B., Monet, D.G., Munn, J.A., Pier, J.R., Stone, R.C., Vrba, F.J., Walker,
USN2017 R.L. & Tillerman, T.M.
USN2017 AJ 154, 147, 2017
USN2022 C UBAD 2.1
USN2022 Munn, J.A., Subasavage, J.P., Harris, H.C. & Tilleman, T.M. 2022AJ....163..131M
USN2022 AJ 163, 131, 2022
USN9999 Ht - U.S. Naval Observatory ...................
USN9999 +Pa Unpublished, manuscript or reference not found.
USN9999 +Es
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19305-1944 USN 4 2012 1 203 1.5 15.00 15.80 M6.5V+M8 V R 193027.48-194349.4

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

 
 
WDS 19305-1944 USN 4 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19305-1944 USN 4 : MEASURES
 
 
No records found.

 
 
WDS 19305-1944 : VIRTUAL EYEPIECE
 
 

19305-1944 USN 4A mag 15 Sp M6.5V 19305-1944 USN 4B sep 1.5 P.A. 201.30 mag 15.8 Sp M8 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 19305-1944 : ALADIN DSS IMAGE @ 19h 30m 27.48s -19° 43' 49.4"
 
 
 
 
WDS 19305-1944 USN 4 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19305-1944 USN 4 distance=0' 19292-1937 BHA 30 distance=21' 19280-1929 TDT1473 distance=38' 19281-1921 UC 3942 distance=41' 19315-2025 OCC 38 distance=44' 19338-1935 J 1761 distance=49' 19289-1857 UC 3947 distance=52' 19342-1934 HDS2778 distance=54' 19281-2031 OCC 39 distance=58' 19270-2020 BRT1553 distance=61' 19338-2024 HJ 2879 distance=63' 19337-1901 KPP 919 distance=63' 19262-2002 ARA1186 distance=64' 19265-1915 ARA 783 distance=64' 19337-2029 B 440 distance=64' 19344-1913 ARA 786 distance=65' 19267-1907 UC 3937 distance=66' 19287-2045 ARA1189 distance=67' 19338-1858 ARA 785 distance=67' 19315-2053 RST5548AB distance=71' 19315-2053 HJ 2875AC distance=71' 19357-1947 ARA 787 distance=73' 19252-1953 BRT1551 distance=76' 19292-1831 UC 3949 distance=76' 19268-2046 ARA1187 distance=81' 19336-1837 HJ 5128AB distance=81' 19336-1837 HJ 5128BC distance=81' 19262-2042 UC 3934 distance=84' 19252-1858 ARA 782 distance=86' 19362-1905 SEE 383 distance=91' 19277-1821 TOK 367 distance=92' 19369-2003 BHA 31AB distance=93' 19369-2003 UC 3986AC distance=93' 19364-1902 ARA 788AB distance=96' 19364-1902 ARA 788AC distance=96' 19354-1836 UC 3982 distance=98' 19372-2009 RST5549 distance=98' 19276-2114 DON 959 distance=99' 19235-1908 UC 3914 distance=105' 19232-2010 HTS 9AB distance=106' 19232-2010 HTS 9AC distance=106' 19232-2010 HTS 9AD distance=106' 19232-2010 HTS 9AE distance=106' 19232-2010 HTS 9AF distance=106' 19232-2010 HTS 9AG distance=106' 19232-2010 HTS 9AH distance=106' 19232-2010 HTS 9AI distance=106' 19232-2010 HTS 9AJ distance=106' 19232-2010 HTS 9AK distance=106' 19232-2010 HTS 9AL distance=106' 19232-2010 HTS 9AM distance=106' 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 19305-1944 USN 4 203 1.5
Show 19292-1937 BHA 30 65 5.5 21
Show 19280-1929 TDT1473 212 0.6 38
Show 19281-1921 UC 3942 206 48.5 41
Show 19315-2025 OCC 38 -1 0.1 44
Show 19338-1935 J 1761 54 6.7 49
Show 19289-1857 UC 3947 28 33.4 52
Show 19342-1934 HDS2778 339 0.1 54
Show 19281-2031 OCC 39 -1 0.1 58
Show 19270-2020 BRT1553 142 3.7 61
Show 19338-2024 HJ 2879 299 9.6 63
Show 19337-1901 KPP 919 63 7.6 63
Show 19262-2002 ARA1186 172 11.4 64
Show 19265-1915 ARA 783 307 10.6 64
Show 19337-2029 B 440 234 2.0 64
Show 19344-1913 ARA 786 233 13.5 65
Show 19267-1907 UC 3937 59 41.5 66
Show 19287-2045 ARA1189 162 7.3 67
Show 19338-1858 ARA 785 329 12.7 67
Show 19315-2053 RST5548 AB 287 0.7 71
Show 19315-2053 HJ 2875 AC 332 10.3 71
Show 19357-1947 ARA 787 18 8.3 73
Show 19252-1953 BRT1551 324 5.0 76
Show 19292-1831 UC 3949 252 26.6 76
Show 19268-2046 ARA1187 183 13.9 81
Show 19336-1837 HJ 5128 AB 110 21.3 81
Show 19336-1837 HJ 5128 BC 127 4.3 81
Show 19262-2042 UC 3934 148 48.3 84
Show 19252-1858 ARA 782 265 13.4 86
Show 19362-1905 SEE 383 259 3.6 91
Show 19277-1821 TOK 367 234 0.2 92
Show 19369-2003 BHA 31 AB 123 4.7 93
Show 19369-2003 UC 3986 AC 82 50.9 93
Show 19364-1902 ARA 788 AB 19 15.0 96
Show 19364-1902 ARA 788 AC 284 12.4 96
Show 19354-1836 UC 3982 232 88.0 98
Show 19372-2009 RST5549 145 0.3 98
Show 19276-2114 DON 959 16 1.0 99
Show 19235-1908 UC 3914 134 30.8 105
Show 19232-2010 HTS 9 AB 65 10.5 106
Show 19232-2010 HTS 9 AC 47 11.4 106
Show 19232-2010 HTS 9 AD 61 11.4 106
Show 19232-2010 HTS 9 AE 83 12.7 106
Show 19232-2010 HTS 9 AF 63 12.8 106
Show 19232-2010 HTS 9 AG 230 14.4 106
Show 19232-2010 HTS 9 AH 25 14.4 106
Show 19232-2010 HTS 9 AI 305 16.8 106
Show 19232-2010 HTS 9 AJ 318 20.0 106
Show 19232-2010 HTS 9 AK 277 20.5 106
Show 19232-2010 HTS 9 AL 168 20.6 106
Show 19232-2010 HTS 9 AM 52 24.3 106

 
 
WDS 19305-1944 : COMPONENTS
 
 
  A
B pa=201.3°
sep=1.49"
 
 
19305-1944 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 193027.48-194349.4 Mag 15 Spectral class M6.5V (red)
PmRA 242.00 PmDE -89.0
 
 
19305-1944 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 193027.44-194350.8 Mag 15.8 Spectral class M8 (red)
Calc delta mag 0.8 Calc coord yes