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Doubles in session


Current system
18573-3643
WLT 1 AB


Nearby doubles
4' : 18571-3645
RSS 499AB

19' : 18561-3653
UC 3730

22' : 18584-3625
JSP 800

24' : 18563-3623
B 2464

26' : 18579-3618
JSP 798

34' : 18559-3712
UC 3728

35' : 18588-3713
I 1114

37' : 18592-3712
WLT 2

39' : 18598-3707
BOY 15

40' : 19005-3656
KOH 112

46' : 19003-3616
HJ 5077AB

47' : 18552-3722
UC 3722

48' : 19011-3657
JOY 7

50' : 19013-3632
BRT1793

50' : 19011-3704
BSO 14AB

50' : 18576-3733
KOH 111

52' : 18568-3734
UC 3734

53' : 19017-3645
KOH 114

53' : 18563-3552
B 955

53' : 19016-3653
B 957AB

57' : 19019-3657
VSP 1

58' : 19020-3658
BYJ 1

58' : 18567-3546
KOH 109

59' : 18581-3545
RSS 500

60' : 19019-3620
B 958

61' : 18545-3553
UC 3716



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

18573-3643 WLT 1 AB

 
 
18h 57m 20.84s -36° 43' 00.6" P.A. 306.00 sep 42.2 mag 10.95,13.35 Sp G5IV+M0.5
 
 
Coord 2000 18573-3643 Discov num WLT   1 Comp AB Coord arcsec 2000 18 57 20.84 -36 43 00.6
Date first 1996 Date last 2015 Obs 5
Pa first 306 Pa last 305.6 P.A. Now (θ) 305.6°
Sep first 42.1 Sep last 42.182 Sep. Now (ρ) 42.182"
Mag pri 10.95 Mag sec 13.35 delta mag (ΔM) 2.4 Spectral class G5IV+M0.5 (yellow/red)
Pri motion ra +005 Sec motion ra +005
Pri motion dec -021 Sec motion dec -025
Notes
rPM=0.157 (< 0.3, Physical double)
This double is physical.
 
 
18573-3643 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 57 21 -36 43 01 WLT 1 AB 2015 5 306 42.2 10.95 13.35 2.40 <===
Show 18 57 18 -36 42 36 KOH 110 Ba,Bb 2000 1 262 0.4 9.60 11.50 1.90
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius Tycho2 7421-01242-1 Gaia DR2 6731064950935554304
 
 
WDS 18573-3643 WLT 1 AB : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
KOH Koehler, R. & Leinert, Ch.
KOH Koehler, R., Petr-Gotzens, M.G., McCaughrean, M.J., Bouvier, J., Duchene, G.,
KOH Quirrenbach, A., & Zinnecker, H.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
18573-3643 WLT 1 AB 1999 2 306 42.2 10.95 13.35 G5IV+M0.5 D 185720.84-364300.6
18573-3643 WLT 1 AB 2015 5 306 42.2 10.95 13.35 G5IV+M0.5 185720.84-364300.6

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

 
 
WDS 18573-3643 WLT 1 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18573-3643 WLT 1 AB : MEASURES
 
 
No records found.

 
 
WDS 18573-3643 : VIRTUAL EYEPIECE
 
 

18573-3643 WLT 1A mag 10.95 Sp G5IV 18573-3643 KOH 110B sep 42.2 P.A. 305.70 mag 9.6 Sp M0.5V 18573-3643 KOH 110Bb sep 42.5 P.A. 305.30 mag 11.5 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 18573-3643 : ALADIN DSS IMAGE @ 18h 57m 20.84s -36° 43' 00.6"
 
 
 
 
WDS 18573-3643 WLT 1 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18573-3643 WLT 1AB distance=0' 18573-3643 KOH 110Ba,Bb distance=1' 18571-3645 RSS 499AB distance=4' 18571-3645 UC 3735AC distance=4' 18561-3653 UC 3730 distance=19' 18584-3625 JSP 800 distance=22' 18563-3623 B 2464 distance=24' 18579-3618 JSP 798 distance=26' 18559-3712 UC 3728 distance=34' 18588-3713 I 1114 distance=35' 18592-3712 WLT 2 distance=37' 18598-3707 BOY 15 distance=39' 19005-3656 KOH 112 distance=40' 19003-3616 HJ 5077AB distance=46' 19003-3616 HJ 5077AC distance=46' 18552-3722 UC 3722 distance=47' 19011-3657 JOY 7 distance=48' 19013-3632 BRT1793 distance=50' 19011-3704 KOH 113Aa,Ab distance=50' 19011-3704 BSO 14AB distance=50' 18576-3733 KOH 111 distance=50' 18568-3734 UC 3734 distance=52' 19017-3645 KOH 114 distance=53' 18563-3552 B 955 distance=53' 19016-3653 B 957AB distance=53' 19016-3653 B 957AC distance=53' 19016-3653 CVN 13Ca,Cb distance=53' 19019-3657 VSP 1 distance=57' 19020-3658 BYJ 1 distance=58' 18567-3546 KOH 109 distance=58' 18581-3545 RSS 500 distance=59' 19019-3620 B 958 distance=60' 18545-3553 UC 3716 distance=61' 18531-3610 JSP 795 distance=61' 19024-3656 REP 4 distance=62' 19025-3658 KOH 115 distance=64' 18531-3604 UC 3712 distance=65' 18549-3544 UC 3718 distance=66' 19013-3553 UC 3763 distance=70' 18518-3615 JSP 792 distance=73' 19014-3548 BRT1794 distance=75' 18512-3635 UC 3696 distance=75' 19027-3606 HJ 5080 distance=75' 19031-3713 REP 48 distance=76' 18578-3802 B 414 distance=80' 18511-3715 RSS 493 distance=82' 19043-3659 KOH 116 distance=85' 18568-3518 RSS 498 distance=86' 18508-3717 B 951 distance=86' 19039-3608 GKM9409Ba,Bb distance=87' 19039-3608 UC 3784AB distance=87' 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 18573-3643 WLT 1 AB 306 42.2 0
Show 18573-3643 KOH 110 Ba,Bb 262 0.4 1
Show 18571-3645 RSS 499 AB 331 9.6 4
Show 18571-3645 UC 3735 AC 109 78.8 4
Show 18561-3653 UC 3730 180 43.1 19
Show 18584-3625 JSP 800 22 1.3 22
Show 18563-3623 B 2464 326 5.8 24
Show 18579-3618 JSP 798 73 4.2 26
Show 18559-3712 UC 3728 335 61.4 34
Show 18588-3713 I 1114 279 1.3 35
Show 18592-3712 WLT 2 46 2.4 37
Show 18598-3707 BOY 15 279 0.1 39
Show 19005-3656 KOH 112 110 0.1 40
Show 19003-3616 HJ 5077 AB 95 7.9 46
Show 19003-3616 HJ 5077 AC 314 14.2 46
Show 18552-3722 UC 3722 32 94.9 47
Show 19011-3657 JOY 7 154 1.3 48
Show 19013-3632 BRT1793 146 3.0 50
Show 19011-3704 KOH 113 Aa,Ab 99 0.1 50
Show 19011-3704 BSO 14 AB 280 12.8 50
Show 18576-3733 KOH 111 282 2.9 50
Show 18568-3734 UC 3734 32 49.8 52
Show 19017-3645 KOH 114 46 0.9 53
Show 18563-3552 B 955 102 0.3 53
Show 19016-3653 B 957 AB 137 4.1 53
Show 19016-3653 B 957 AC 23 57.6 53
Show 19016-3653 CVN 13 Ca,Cb 189 0.3 53
Show 19019-3657 VSP 1 134 0.2 57
Show 19020-3658 BYJ 1 -1 -1.0 58
Show 18567-3546 KOH 109 89 3.6 58
Show 18581-3545 RSS 500 188 7.4 59
Show 19019-3620 B 958 149 3.9 60
Show 18545-3553 UC 3716 288 125.8 61
Show 18531-3610 JSP 795 77 0.6 61
Show 19024-3656 REP 4 58 4.5 62
Show 19025-3658 KOH 115 339 0.2 64
Show 18531-3604 UC 3712 166 50.6 65
Show 18549-3544 UC 3718 291 26.3 66
Show 19013-3553 UC 3763 157 68.4 70
Show 18518-3615 JSP 792 281 4.9 73
Show 19014-3548 BRT1794 176 4.2 75
Show 18512-3635 UC 3696 43 75.7 75
Show 19027-3606 HJ 5080 246 5.5 75
Show 19031-3713 REP 48 44 2.1 76
Show 18578-3802 B 414 208 4.3 80
Show 18511-3715 RSS 493 25 9.3 82
Show 19043-3659 KOH 116 278 0.2 85
Show 18568-3518 RSS 498 257 8.0 86
Show 18508-3717 B 951 29 4.7 86
Show 19039-3608 GKM9409 Ba,Bb 155 0.1 87
Show 19039-3608 UC 3784 AB 286 29.5 87

 
 
WDS 18573-3643 : COMPONENTS
 
 
  A B
B pa=305.7°
sep=42.19"
 
Bb pa=305.3°
sep=42.45"
pa=261.7°
sep=0.36"
 
 
18573-3643 A
 
 
Coord arcsec 2000 185720.84-364300.6 Mag 10.95 Spectral class G5IV (yellow) PmRA 5.00
PmDE -21.0 Tycho2 7421-01242-1
Tycho2
Tycho2 7421-01242-1 Pflag RAmdeg 284.33682240 DEmdeg -36.71682972
PmRA 5.3 PmDE -29.1 E RAmdeg 58 E DEmdeg 72
E pmRA 2.6 E pmDE 2.7 EpRAm 1984.83 EpDEm 1981.22
Num 3 Q RAmdeg 0.8 Q DEmdeg 1.1 Q pmRA 0.8
Q pmDE 1.1 BTmag 11.902 E BTmag 0.117 VTmag 11.233
E VTmag 0.107 Prox 999 TYC HIP
CCDM RAdeg 284.33680694 DEdeg -36.71676250 EpRA 1990 1.73
EpDE 1990 1.66 E RAdeg 61.4 E DEdeg 76.9 Posflg
Corr 0.2
 
 
18573-3643 B
 
 
Coord arcsec 2000 185717.99-364236.0 Mag 9.6 Composed magnitude 13.35 Spectral class M0.5V (red)
PmRA 4.00 PmDE -34.0 Delta magnitude 1.35
 
 
18573-3643 Bb
 
 
Coord arcsec 2000 185717.96-364236.1 Mag 11.5 Delta magnitude 0.55 Coordinate calculated yes