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Doubles in session


Current system
18013-6921
TDT 638 AB


Nearby doubles
15' : 18005-6907
TDT 630

30' : 18053-6942
TDT 670

36' : 17569-6855
KPP2460

39' : 17579-6847
UC 3458AB

45' : 17563-6957
TDT 583

47' : 17535-6942
KPP1929

47' : 18074-6955
TDT 696

50' : 18107-6921
TOB 346

54' : 17556-7005
UC 3449

55' : 18049-7013
KPP4081

57' : 17551-6836
UC 3446

59' : 18005-7019
FIN 302

61' : 18015-6820
KPP 573

62' : 17502-6941
TDT 527

63' : 18022-6819
UC 3478

65' : 17510-6957
TDT 533

66' : 17563-7022
TDT 584

70' : 18145-6929
GLI 242

71' : 18021-7032
TDT 647

72' : 17522-7015
HJ 4972

73' : 18129-6843
TDT 738AB

73' : 17476-6932
TDT 506

74' : 17533-6822
TDT 558

74' : 17488-6851
TDT 518

77' : 17559-7032
HJ 4976

77' : 18073-6812
TDT 695



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

18013-6921 TDT 638 AB

 
 
18h 01m 19.97s -69° 21' 09.7" P.A. 84.00 sep 0.6 mag 11.81,12.26
 
 
Coord 2000 18013-6921 Discov num TDT 638 Comp AB Coord arcsec 2000 18 01 19.97 -69 21 09.7
Date first 1991 Date last 1991 Obs 1
Pa first 84 Pa last 84 P.A. Now (θ) 84°
Sep first 0.6 Sep last 0.59 Sep. Now (ρ) 0.59"
Mag pri 11.81 Mag sec 12.26 delta mag (ΔM) 0.45 Spectral class
Pri motion ra -007 Sec motion ra -007
Pri motion dec -027 Sec motion dec -027
Notes
Nature of this double is uncertain.
 
 
18013-6921 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 01 20 -69 21 10 TDT 638 AB 1991 1 84 0.6 11.81 12.26 0.45 <===
Show 18 01 20 -69 21 10 CVR 7 AB,C 2000 2 234 8.6 11.40 15.20 3.80
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Apus Tycho2 9290-00459-1 Gaia DR2 6432642136351078144
 
 
WDS 18013-6921 TDT 638 AB : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Cvr2011 Eu - Chivers, J. 2011JDSO....7..209C
Cvr2011 JDSO 7, 209, 2011
Cvr2014 Es u Chivers, J. 2014JDSO...10...62C
Cvr2014 JDSO 10, 62, 2014
Cvr2014b Es u Chivers, J. 2014JDSO...10..256C
Cvr2014b JDSO 10, 256, 2014
Cvr2014b (Note: Coordinates in main table are of secondary, not primary. Corrected in WDS)
Cvr2014c Eu - Chivers, J. 2014JDSO...10..300C
Cvr2014c JDSO 10, 300, 2014
Cvr2015a Eu u Chivers, J. 2015JDSO...11...42C
Cvr2015a +Es JDSO 11, 42, 2015
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18013-6921 TDT 638 AB 1991 1 84 0.6 11.81 12.26 180119.97-692109.7

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

 
 
WDS 18013-6921 TDT 638 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18013-6921 TDT 638 AB : MEASURES
 
 
No records found.

 
 
WDS 18013-6921 : VIRTUAL EYEPIECE
 
 

18013-6921 TDT 638A mag 11.81 18013-6921 TDT 638B sep 0.2 P.A. 73.40 mag 12.26 18013-6921 CVR 7C sep 5.6 P.A. 205.90 mag 15.2 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18013-6921 : ALADIN DSS IMAGE @ 18h 01m 19.97s -69° 21' 09.7"
 
 
 
 
WDS 18013-6921 TDT 638 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18013-6921 TDT 638AB distance=0' 18005-6907 TDT 630 distance=15' 18053-6942 TDT 670 distance=30' 17569-6855 KPP2460 distance=36' 17579-6847 UC 3458AB distance=39' 17563-6957 TDT 583 distance=45' 17535-6942 KPP1929 distance=47' 18074-6955 TDT 696 distance=47' 18107-6921 TOB 346 distance=50' 17556-7005 UC 3449 distance=54' 18049-7013 KPP4081 distance=55' 17551-6836 UC 3446 distance=57' 18005-7019 FIN 302 distance=59' 18015-6820 KPP 573 distance=61' 17502-6941 TDT 527 distance=62' 18022-6819 UC 3478 distance=63' 17510-6957 TDT 533 distance=65' 17563-7022 TDT 584 distance=66' 18145-6929 GLI 242 distance=70' 18021-7032 TDT 647 distance=71' 17522-7015 HJ 4972 distance=72' 18129-6843 TDT 738AB distance=73' 17476-6932 TDT 506 distance=73' 17533-6822 TDT 558 distance=74' 17488-6851 TDT 518 distance=74' 17559-7032 HJ 4976 distance=77' 18073-6812 TDT 695 distance=77' 18130-7009 KPP4094 distance=78' 17476-6957 TDT 507 distance=81' 17471-7000 KPP2270 distance=84' 18091-6807 TOB 345 distance=86' 18178-6931 UC 3548 distance=88' 18168-6958 TDT 772 distance=89' 18163-7005 UC 3539 distance=90' 17442-6917 MLO 77 distance=91' 17464-6833 TOB 343 distance=94' 18189-6906 TDT 791 distance=95' 17464-7020 I 610 distance=97' 17449-7009 TDT 486 distance=98' 17422-6901 DON 850 distance=104' 18066-6741 DON 878 distance=105' 17531-7101 GAI9014AB distance=107' 17531-7101 GAI9014AC distance=107' 18107-6747 UC 3520 distance=108' 18018-7111 TDT 645 distance=110' 17515-7059 UC 3430 distance=110' 17521-6744 DON 866 distance=111' 18113-6745 UC 3522 distance=111' 18167-7041 UC 3543 distance=113' 18088-6736 DON 881 distance=113' 18034-6729 TDT 659 distance=113' 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 18013-6921 TDT 638 AB 84 0.6
Show 18013-6921 CVR 7 AB,C 234 8.6
Show 18005-6907 TDT 630 161 0.4 15
Show 18053-6942 TDT 670 182 0.5 30
Show 17569-6855 KPP2460 129 21.9 36
Show 17579-6847 UC 3458 AB 172 14.1 39
Show 17563-6957 TDT 583 16 0.4 45
Show 17535-6942 KPP1929 184 15.2 47
Show 18074-6955 TDT 696 191 0.4 47
Show 18107-6921 TOB 346 277 15.9 50
Show 17556-7005 UC 3449 255 45.4 54
Show 18049-7013 KPP4081 268 1.2 55
Show 17551-6836 UC 3446 253 11.5 57
Show 18005-7019 FIN 302 36 0.1 59
Show 18015-6820 KPP 573 309 5.3 61
Show 17502-6941 TDT 527 206 0.6 62
Show 18022-6819 UC 3478 130 35.7 63
Show 17510-6957 TDT 533 119 0.4 65
Show 17563-7022 TDT 584 12 0.4 66
Show 18145-6929 GLI 242 319 25.5 70
Show 18021-7032 TDT 647 145 0.4 71
Show 17522-7015 HJ 4972 291 6.2 72
Show 18129-6843 TDT 738 AB 233 0.4 73
Show 17476-6932 TDT 506 245 0.5 73
Show 17533-6822 TDT 558 41 0.5 74
Show 17488-6851 TDT 518 328 2.2 74
Show 17559-7032 HJ 4976 53 24.0 77
Show 18073-6812 TDT 695 246 0.9 77
Show 18130-7009 KPP4094 305 1.6 78
Show 17476-6957 TDT 507 119 2.9 81
Show 17471-7000 KPP2270 48 19.1 84
Show 18091-6807 TOB 345 74 34.4 86
Show 18178-6931 UC 3548 86 45.8 88
Show 18168-6958 TDT 772 152 1.8 89
Show 18163-7005 UC 3539 157 88.8 90
Show 17442-6917 MLO 77 301 8.4 91
Show 17464-6833 TOB 343 346 12.3 94
Show 18189-6906 TDT 791 197 0.4 95
Show 17464-7020 I 610 71 2.4 97
Show 17449-7009 TDT 486 86 0.6 98
Show 17422-6901 DON 850 323 3.9 104
Show 18066-6741 DON 878 47 0.7 105
Show 17531-7101 GAI9014 AB 328 1.2 107
Show 17531-7101 GAI9014 AC 173 78.9 107
Show 18107-6747 UC 3520 48 31.9 108
Show 18018-7111 TDT 645 242 2.3 110
Show 17515-7059 UC 3430 354 74.6 110
Show 17521-6744 DON 866 106 0.4 111
Show 18113-6745 UC 3522 124 40.6 111
Show 18167-7041 UC 3543 303 8.8 113
Show 18088-6736 DON 881 158 0.7 113

 
 
WDS 18013-6921 : COMPONENTS
 
 
  A B
B pa=73.4°
sep=0.22"
 
C pa=205.9°
sep=5.59"
pa=207.5°
sep=5.73"
 
 
18013-6921 A
 
 
Coord arcsec 2000 180119.97-692109.7 Mag 11.81 PmRA -7.00 PmDE -27.0
Tycho2 9290-00459-1
Tycho2
Tycho2 9290-00459-1 Pflag RAmdeg 270.33340591 DEmdeg -69.35266952
PmRA -6.8 PmDE -26.8 E RAmdeg 44 E DEmdeg 32
E pmRA 2.1 E pmDE 1.9 EpRAm 1986.81 EpDEm 1988.84
Num 4 Q RAmdeg 1.9 Q DEmdeg 0.9 Q pmRA 1.9
Q pmDE 0.9 BTmag 12.072 E BTmag 0.085 VTmag 11.281
E VTmag 0.060 Prox 999 TYC T HIP
CCDM RAdeg 270.33345083 DEdeg -69.35260833 EpRA 1990 1.64
EpDE 1990 1.80 E RAdeg 44.9 E DEdeg 32.9 Posflg
Corr -0.1
 
 
18013-6921 B
 
 
Coord arcsec 2000 180120.01-692109.6 Mag 12.26 PmRA -7.00 PmDE -27.0
Calc delta mag 0.45 Calc coord yes
 
 
18013-6921 C
 
 
Coord arcsec 2000 180119.51-692114.7 Mag 15.2 PmRA -6.00 PmDE -26.0
Calc delta mag 3.39 Calc coord yes