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Doubles in session


Current system
15475-2755
GAT 18 AB


Nearby doubles
19' : 15462-2804
BU 620AB

22' : 15476-2816
TDS9626

32' : 15455-2740
LDS4589

44' : 15455-2830
CPO 442

48' : 15452-2832
RST1862

51' : 15488-2842
LDS5846

54' : 15450-2714
RST1861

54' : 15484-2847
TOK 596

59' : 15431-2759
SEE 246

65' : 15436-2834
SKF2046

65' : 15437-2836
TDS9602

71' : 15441-2850
B 298

76' : 15474-2910
SHN 204

78' : 15421-2826
RST1858

86' : 15500-2636
SWR 182

89' : 15542-2746
B 2795AB

94' : 15507-2632
HDS2232

100' : 15545-2720
LAF 83AB

101' : 15418-2903
RST1856

102' : 15535-2858
LDS5849

102' : 15399-2803
B 2790

104' : 15411-2656
KSA 72AB

107' : 15396-2739
BU 121

110' : 15414-2910
RST1855AB

113' : 15532-2920
UC 3078

117' : 15394-2710
RST1854AB



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.

15475-2755 GAT 18 AB

 
 
15h 47m 29.81s -27° 55' 12.1" P.A. 124.00 sep 1.3 mag 12.10,13.80
 
 
Coord 2000 15475-2755 Discov num GAT  18 Comp AB Coord arcsec 2000 15 47 29.81 -27 55 12.1
Date first 2015 Date last 2021 Obs 3
Pa first 118 Pa last 123.5 P.A. Now (θ) 123.5°
Sep first 1.2 Sep last 1.338 Sep. Now (ρ) 1.338"
Mag pri 12.10 Mag sec 13.80 delta mag (ΔM) 1.7 Spectral class
Pri motion ra +096 Sec motion ra +098
Pri motion dec +024 Sec motion dec -004
Notes T (Parallax indicates physical)
rPM=0.284 (< 0.3, Physical double)
This double is physical.
 
 
15475-2755 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 15 47 30 -27 55 12 GAT 18 AB 2021 3 124 1.3 12.10 13.80 1.70 <===
Show 15 47 30 -27 55 12 GAT 18 AC 2016 4 37 111.9 12.10 14.70 2.60
Show 15 47 35 -27 53 43 TSN 177 CD 2020 2 164 0.1 15.40 15.50 0.10
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Libra
 
 
WDS 15475-2755 GAT 18 AB : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Gat1973 orb - Gatewood, G.D. 1973AJ.....78..777G
Gat1973 AJ 78, 777, 1973
Gat1975 orb - Gatewood, G.D. & Behall, A.L. 1975AJ.....80.1065G
Gat1975 AJ 80, 1065, 1975
Gat1976 Po - Russell, J., Gatewood, G., & Stein, J.W. 1976AJ.....81..545R
Gat1976 AJ 81, 545, 1976
Gat1978 - Gatewood, G.D. & Gatewood, C.V. 1978ApJ...225..191G
Gat1978 ApJ 225, 191, 1978
Gat1995 - Gatewood, G.D., de Jonge, J.K., & Heintz, W.D 1995AJ....109..434G
Gat1995 AJ 109, 434, 1995
Gat2001a orb - Gatewood, G., Han, I., & Black, D. 2001ApJ...548L..61G
Gat2001a ApJ 548, L61, 2001
Gat2001b orb - Gatewood, G.D., Han, I., de Jonge, J.K., Reiland, C.T., & Pourbaix, D. 2001ApJ...549.1145G
Gat2001b ApJ 549, 1145, 2001
Gat2003 orb - Gatewood, G.D., Coban, L., & Han, I. 2003AJ....125.1530G
Gat2003 AJ 125, 1530, 2003
Gat2005 orb - Gatewood, G.D. 2005AJ....130..809G
Gat2005 AJ 130, 809, 2005
Gat2009 - Gatewood, G.D. & Coban, L. 2009AJ....137..402G
Gat2009 AJ 137, 402, 2009
Gat2012 C j Gatewood, G. & Gatewood, C. 2012JDSO....8..335G
Gat2012 JDSO 8, 335, 2012
Gat2013 C - Gatewood, G. ...................
Gat2013 private communication
Gat2013b orb - Gatewood, G. & Mason, B.D. 2013IAUDS.181....1H
Gat2013b Inf. Circ. 181, 1, 2013
Gat2016 C j Gatewood, G. & Gatewood, C. 2016JDSO...12..580G
Gat2016 JDSO 12, 580, 2016
Gat2019 Hg j Gatewood, G. & Gatewood, C. 2019JDSO...15..403G
Gat2019 JDSO 15, 403, 2019
Tsk2015 = The Solar Neighborhood series. Many measures do not have date of observation
Tsk2015 and for these, an "N" code is added and the year of publication is added as the
Tsk2015 observation epoch.)
TSN1996 - Simons, D.A., Henry, T.J. & Kirkpatrick, J.D. 1996AJ....112.2238S
TSN1996 AJ 112, 2238, 1996
TSN1998 - Patterson, R.J., Ianna, P.A. & Begam, M.C. 1998AJ....115.1648P
TSN1998 AJ 115, 1648, 1998
TSN2005 - Costa, E., Mendez, R.A., Jao, W.-C., Henry, T.J., Subasavage, J.P., Brown, M.A., 2005AJ....130..337C
TSN2005 Ianna, P.A. & Bartlett, J.
TSN2005 AJ 130, 337, 2005
TSN2007 C - Finch, C.T., Henry, T.J., Subasavage, J.P., Jao, W.-C. & Hambly, N.C. 2007AJ....133.2898F
TSN2007 AJ 133, 2898, 2007
TSN2007 (Default date = decade of publication used for measures without published date)
TSN2010 C - Riedel, A.R., Subasavage, J.P., Finch, C.T., Jao, W.-C., Henry, T.J., Winters, J., 2010AJ....140..897R
TSN2010 Brown, M.A., Ianna, P.A., Costa, E. & Mendez, R.A.
TSN2010 AJ 140, 897, 2010
TSN2011 C - Boyd, M.R., Winters, J.G., Henry, T.J., Jao, W.-C., Finch, C.T., Subasavage, J.P. 2011AJ....142...10B
TSN2011 & Hambly, N.C.
TSN2011 AJ 142, 10, 2011
TSN2011 Probable common proper motion pairs from Table 6 added. As "possible" pairs do not
TSN2011 have an actual measure and no physicality is determined, these are not. Default
TSN2011 date = decade of publication used for measures without published date)
TSN2011b C - Boyd, M.R., Henry, T.J., Jao, W.-C., Subasavage, J.P. & Hambly, N.C. 2011AJ....142...92B
TSN2011b AJ 142, 92, 2011
TSN2011b Probable common proper motion pairs from Table 6 added. As "possible" pairs do not
TSN2011b have an actual measure and no physicality is determined, these are not. Default
TSN2011b date = decade of publication used for measures without published date)
TSN2011c - Riedel, A.R., Murphy, S.J., Henry, T.J., Melis, C., Jao, W.-C., & Subasavage, J.P. 2011AJ....142..104R
TSN2011c AJ 142, 104, 2011
TSN2012 Hn j Dieterich, S.B., Henry, T.J., Golimowski, D.A., Krist, J.E. & Tanner, A.M. 2012AJ....144...64D
TSN2012 AJ 144, 64, 2012
TSN2013 - Cantrell, J.R., Henry, T.J. & White, R.J. 2013AJ....146...99C
TSN2013 AJ 146, 99, 2013
TSN2014b C - Riedel, A.R., Finch, C.T., Henry, T.J., Subasavage, J.P., Jao, W.-C., Malo, L., 2014AJ....147...85R
TSN2014b +E2 Rodriguez, D.R., White, R.J., Gies, D.R., Dieterich, S.B., Winters, J.G., Davison,
TSN2014b +Hf C.L., Nelan, E.P., Blunt, S.C., Cruz, K.L., Rice, E.L. & Ianna, P.A.
TSN2014b AJ 147, 85, 2014
TSN2014c - Dieterich, S.B., Henry, T.J., Jao, W.-C., Winters, J.G., Hosey, A.D., Riedel, A.R. 2014AJ....147...94D
TSN2014c & Subasavage, J.P.
TSN2014c AJ 147, 94, 2014
TSN2015 C - Hosey, A.D., Henry, T.J., Jao, W.-C., Dieterich, S.B., Winters, J.G., Lurie, J.C., 2015AJ....130....6H
TSN2015 Riedel, A.R. & Subasavage, J.P.
TSN2015 AJ 130, 6, 2015
TSN2017 C - Winters, J.G., Sevrinsky, R.A., Jao, W.-C., Henry, T.J., Riedel, A.R., Subasavage, 2017AJ....153...14W
TSN2017 J.P., Lurie, J.C., Finch, C.T. & Ianna, P.A.
TSN2017 AJ 153, 14, 2017
TSN2020 orb - Vrijmoet, E.H., Henry, T.J., Jao, W.-C. & Dieterich, S.B. 2020AJ....160..215V
TSN2020 AJ 160, 215, 2020
TSN2021 j Dieterich, S.B., Simler, A., Henry, T.J. & Jao, W.-C. 2021AJ....161..172D
TSN2021 AJ 161, 172, 2021
TSN2022a St+ - Vrijmoet, E.H., Tokovinin, A., Henry, T.J., Winters, J.G., Horch, E. & Jao, W.-C. 2022AJ....163..178V
TSN2022a +orb AJ 163, 178, 2022
TSN2022b C Hubbard-James, H.-S., Lesley, D.X., Henry, T.J., Paredes, L.A. & Nisak, A.H. 2022AJ....164..174H
TSN2022b AJ 164, 174, 2022
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15475-2755 GAT 18 AB 2015 1 118 1.2 12.10 13.80 T 154729.81-275512.1
15475-2755 GAT 18 AB 2020 2 122 1.3 12.10 13.80 T 154729.81-275512.1
15475-2755 GAT 18 AB 2021 3 124 1.3 12.10 13.80 T 154729.81-275512.1

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

 
 
WDS 15475-2755 GAT 18 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 15475-2755 GAT 18 AB : MEASURES
 
 
No records found.

 
 
WDS 15475-2755 : VIRTUAL EYEPIECE
 
 

15475-2755 GAT 18A mag 12.1 15475-2755 GAT 18B sep 1.2 P.A. 126.80 mag 13.8 15475-2755 TSN 177C sep 111.8 P.A. 37.10 mag 15.4 15475-2755 TSN 177D sep 111.8 P.A. 37.10 mag 15.5 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 15475-2755 : ALADIN DSS IMAGE @ 15h 47m 29.81s -27° 55' 12.1"
 
 
 
 
WDS 15475-2755 GAT 18 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

15475-2755 GAT 18AB distance=0' 15475-2755 TSN 177CD distance=2' 15462-2804 CHR 50Aa,Ab distance=19' 15462-2804 BU 620AB distance=19' 15462-2804 HJ 4803AC distance=19' 15462-2804 KOH 49Ca,Cb distance=20' 15476-2816 TDS9626 distance=22' 15455-2740 LDS4589 distance=32' 15455-2830 CPO 442 distance=44' 15452-2832 RST1862 distance=48' 15488-2842 LDS5846 distance=51' 15450-2714 RST1861 distance=54' 15484-2847 TOK 596 distance=54' 15431-2759 SEE 246 distance=59' 15436-2834 SKF2046 distance=65' 15437-2836 TDS9602 distance=65' 15441-2850 B 298 distance=71' 15474-2910 SHN 204 distance=76' 15421-2826 RST1858 distance=78' 15527-2705 USD 89Aa,Ab distance=86' 15500-2636 SWR 182 distance=86' 15542-2746 TDS9685Aa,Ab distance=89' 15542-2746 B 2795AB distance=89' 15507-2632 HDS2232 distance=94' 15545-2720 LAF 83AB distance=100' 15545-2720 LAF 83AC distance=100' 15418-2903 RST1856 distance=101' 15535-2858 LDS5849 distance=102' 15399-2803 B 2790 distance=102' 15411-2656 KSA 72AB distance=104' 15411-2656 MET 64AC distance=104' 15411-2656 LAF 79AD distance=104' 15411-2656 LAF 79AE distance=104' 15411-2656 LAF 79AF distance=104' 15411-2656 LAF 79AG distance=104' 15411-2656 LAF 79AH distance=104' 15396-2739 BU 121 distance=107' 15414-2910 RST1855AB distance=110' 15532-2920 UC 3078 distance=113' 15394-2710 RST1854AB distance=117' 15394-2710 MET 63AC distance=117' 15394-2710 MET 63AD distance=117' 15436-2940 UC 3051 distance=117' 15494-2600 KOH 50AB distance=118' 15564-2803 B 300 distance=119' 15429-2613 B 297AB distance=120' 15541-2920 KOH 53AB distance=122' 15541-2920 KSA 73AC distance=122' 15541-2920 LAF 82AD distance=122' 15541-2920 LAF 82AE distance=122' 15541-2920 LAF 82AF distance=122' 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 15475-2755 GAT 18 AB 124 1.3
Show 15475-2755 GAT 18 AC 37 111.9
Show 15475-2755 TSN 177 CD 164 0.1 2
Show 15462-2804 CHR 50 Aa,Ab 287 0.1 19
Show 15462-2804 BU 620 AB 355 0.7 19
Show 15462-2804 HJ 4803 AC 213 50.5 19
Show 15462-2804 KOH 49 Ca,Cb 187 0.1 20
Show 15476-2816 TDS9626 256 0.9 22
Show 15455-2740 LDS4589 330 51.9 32
Show 15455-2830 CPO 442 358 11.4 44
Show 15452-2832 RST1862 352 4.5 48
Show 15488-2842 LDS5846 158 41.0 51
Show 15450-2714 RST1861 115 0.4 54
Show 15484-2847 TOK 596 309 385.6 54
Show 15431-2759 SEE 246 314 13.4 59
Show 15436-2834 SKF2046 249 48.3 65
Show 15437-2836 TDS9602 322 2.4 65
Show 15441-2850 B 298 88 2.1 71
Show 15474-2910 SHN 204 -1 0.0 76
Show 15421-2826 RST1858 166 1.0 78
Show 15527-2705 USD 89 Aa,Ab 45 0.7 86
Show 15500-2636 SWR 182 256 25.0 86
Show 15542-2746 TDS9685 Aa,Ab 114 0.6 89
Show 15542-2746 B 2795 AB 227 10.0 89
Show 15507-2632 HDS2232 197 0.3 94
Show 15545-2720 LAF 83 AB 297 5.6 100
Show 15545-2720 LAF 83 AC 175 6.9 100
Show 15418-2903 RST1856 208 2.0 101
Show 15535-2858 LDS5849 253 132.7 102
Show 15399-2803 B 2790 132 8.9 102
Show 15411-2656 KSA 72 AB 82 6.3 104
Show 15411-2656 MET 64 AC 225 5.9 104
Show 15411-2656 LAF 79 AD 298 4.6 104
Show 15411-2656 LAF 79 AE 30 5.2 104
Show 15411-2656 LAF 79 AF 311 6.0 104
Show 15411-2656 LAF 79 AG 353 8.0 104
Show 15411-2656 LAF 79 AH 110 9.6 104
Show 15396-2739 BU 121 284 2.0 107
Show 15414-2910 RST1855 AB 66 2.6 110
Show 15532-2920 UC 3078 10 40.5 113
Show 15394-2710 RST1854 AB 3 0.3 117
Show 15394-2710 MET 63 AC 62 8.8 117
Show 15394-2710 MET 63 AD 124 11.2 117
Show 15436-2940 UC 3051 215 12.1 117
Show 15494-2600 KOH 50 AB 116 0.1 118
Show 15564-2803 B 300 325 1.8 119
Show 15429-2613 B 297 AB 256 7.7 120
Show 15541-2920 KOH 53 AB 76 1.4 122
Show 15541-2920 KSA 73 AC 258 25.8 122
Show 15541-2920 LAF 82 AD 172 3.3 122
Show 15541-2920 LAF 82 AE 204 9.8 122

 
 
WDS 15475-2755 : COMPONENTS
 
 
  A B C
B pa=126.8°
sep=1.23"
 
C pa=37.1°
sep=111.84"
pa=36.5°
sep=111.84"
 
D pa=37.1°
sep=111.80"
pa=36.5°
sep=111.80"
pa=165.3°
sep=0.07"
 
 
15475-2755 A
 
 
Coord arcsec 2000 154729.81-275512.1 Mag 12.1 PmRA 96.00 PmDE 24.0
 
 
15475-2755 B
 
 
Coord arcsec 2000 154729.88-275512.8 Mag 13.8 PmRA 98.00 PmDE -4.0
Calc delta mag 1.7 Calc coord yes
 
 
15475-2755 C
 
 
Coord arcsec 2000 154734.90-275342.9 Coord calc 154734.90-275342.9 Mag 15.4 PmRA 91.00
PmDE 31.0 Calc delta mag 3.3
 
 
15475-2755 D
 
 
Coord arcsec 2000 154734.90-275343.0 Mag 15.5 Calc delta mag 3.4 Calc coord yes