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Doubles in session


Current system
17505-4655
CPO 556
HD 161895


Nearby doubles
29' : 17532-4650
SKF 458

34' : 17482-4630
RST 949

36' : 17539-4658
RST 953

40' : 17518-4732
WFC 199

49' : 17457-4655
I 248AB

50' : 17498-4744
RST 950

53' : 17457-4715
B 2414

58' : 17467-4738
B 2843AB

59' : 17509-4753
TDT 532

61' : 17558-4629
TDT 578

61' : 17530-4600
CPO9252

64' : 17524-4556
DON 868

66' : 17502-4801
B 1869

69' : 17445-4726
RSS 459

71' : 17554-4607
TDT 574

72' : 17458-4749
RST 947

73' : 17510-4543
BRT1001

74' : 17520-4807
TDT 544

76' : 17520-4809
TDT 545

77' : 17467-4801
B 1866

77' : 17575-4633
SKF1057

77' : 17439-4735
CPO 550

78' : 17516-4811
I 617

81' : 17426-4653
I 1334

82' : 17487-4815
RSS 462

82' : 17555-4759
B 1873



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Binary Systems
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

17505-4655 CPO 556 (HD 161895)

 
 
17h 50m 27.16s -46° 54' 57.2" P.A. 66.00 sep 5.3 mag 10.78,11.11 Sp A3V+A3V
 
 
Coord 2000 17505-4655 Discov num CPO 556 Comp Coord arcsec 2000 17 50 27.16 -46 54 57.2
Date first 1905 Date last 2016 Obs 9
Pa first 70 Pa last 65.6 P.A. Now (θ) 65.6°
Sep first 4.8 Sep last 5.253 Sep. Now (ρ) 5.253"
Mag pri 10.78 Mag sec 11.11 delta mag (ΔM) 0.33 Spectral class A3V+A3V (white/white)
Pri motion ra -018 Sec motion ra +014
Pri motion dec -017 Sec motion dec +011
Notes N (See Notes)
rPM=1.717
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 161895 Constellation Ara Tycho2 8348-02496-2 Gaia DR2 5954110761588323968
HD 161895
 
 
WDS 17505-4655 CPO 556 (HD 161895) : NOTES
 
 
discov_num notes refcode
CPO 556 SWR 232. CPM pair Skf2004
 
 
REFERENCES
 
 
refcode metd author reference
Skf2004 - Skiff, B.A. ...................
Skf2004 private communication, 2004 (may not be properly precessed)
Skf2004 (coordinates and identifications for Stock & Wroblewski pairs)
 
 
DISCOVERER
 
 
idgroup discov author
1 CPO Cape Observatory
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17505-4655 CPO 556 1999 4 66 5.3 10.78 11.11 A3V A3V N D 175027.16-465457.2
17505-4655 CPO 556 2001 6 66 5.2 10.78 11.11 A3V A3V N D 175027.16-465457.2
17505-4655 CPO 556 2015 8 66 5.3 10.78 11.11 A3V+A3V N 175027.16-465457.2
17505-4655 CPO 556 2016 9 66 5.3 10.78 11.11 A3V+A3V N 175027.16-465457.2

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

 
 
WDS 17505-4655 CPO 556 (HD 161895) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17505-4655 CPO 556 (HD 161895) : MEASURES
 
 
No records found.

 
 
WDS 17505-4655 (HD 161895) : VIRTUAL EYEPIECE
 
 

17505-4655 CPO 556A mag 10.78 Sp A3V 17505-4655 CPO 556B sep 3.9 P.A. 56.40 mag 11.11 Sp A3V virtual eyepiece
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Radius:
Components only
 
 
WDS 17505-4655 (HD 161895) : ALADIN DSS IMAGE @ 17h 50m 27.16s -46° 54' 57.2"
 
 
 
 
WDS 17505-4655 CPO 556 (HD 161895) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17505-4655 CPO 556 distance=0' 17532-4650 SKF 458 distance=29' 17482-4630 RST 949 distance=34' 17539-4658 RST 953 distance=36' 17518-4732 WFC 199 distance=40' 17457-4655 I 248AB distance=49' 17457-4655 I 248AC distance=49' 17498-4744 RST 950 distance=50' 17457-4715 B 2414 distance=53' 17467-4738 B 2843BC distance=57' 17467-4738 B 2843AB distance=58' 17509-4753 TDT 532 distance=59' 17558-4629 TDT 578 distance=61' 17530-4600 CPO9252 distance=61' 17524-4556 DON 868 distance=64' 17502-4801 B 1869 distance=66' 17445-4726 RSS 459 distance=69' 17554-4607 TDT 574 distance=71' 17458-4749 RST 947 distance=72' 17510-4543 BRT1001 distance=73' 17520-4807 TDT 544 distance=74' 17520-4809 TDT 545 distance=76' 17467-4801 B 1866 distance=77' 17575-4633 SKF1057 distance=77' 17439-4735 CPO 550 distance=77' 17516-4811 I 617 distance=78' 17426-4653 I 1334 distance=81' 17487-4815 RSS 462 distance=82' 17555-4759 B 1873 distance=82' 17505-4817 HJ 4982 distance=83' 17570-4607 CBL 164 distance=84' 17422-4641 CPO 547AB distance=86' 17589-4709 TDT 609 distance=88' 17555-4544 CPO 563 distance=88' 17452-4805 TDT 487 distance=89' 17545-4814 TDT 565 distance=89' 17418-4651 CPO9247 distance=90' 17423-4621 ARY 124 distance=91' 17481-4527 CPO9248 distance=92' 17424-4618 HDS2505AB distance=92' 17424-4618 ARY 128AB,C distance=92' 17541-4821 B 1870 distance=94' 17449-4809 I 1602 distance=94' 17589-4732 CPO 569 distance=94' 17488-4522 B 1868 distance=95' 17451-4816 CPO 551 distance=98' 17572-4546 HDS2529 distance=98' 17417-4604 SWR 228 distance=104' 17569-4535 TDT 592 distance=105' 17594-4746 I 110 distance=105' 18006-4639 BRT1009 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 17505-4655 CPO 556 66 5.3
Show 17532-4650 SKF 458 11.3 29
Show 17482-4630 RST 949 141 0.3 34
Show 17539-4658 RST 953 62 3.3 36
Show 17518-4732 WFC 199 27 11.9 40
Show 17457-4655 I 248 AB 127 1.9 49
Show 17457-4655 I 248 AC 7 42.3 49
Show 17498-4744 RST 950 154 1.6 50
Show 17457-4715 B 2414 181 0.5 53
Show 17467-4738 B 2843 BC 157 1.8 57
Show 17467-4738 B 2843 AB 336 92.9 58
Show 17509-4753 TDT 532 134 0.4 59
Show 17558-4629 TDT 578 312 0.5 61
Show 17530-4600 CPO9252 288 6.6 61
Show 17524-4556 DON 868 221 0.5 64
Show 17502-4801 B 1869 29 1.1 66
Show 17445-4726 RSS 459 131 17.2 69
Show 17554-4607 TDT 574 35 0.8 71
Show 17458-4749 RST 947 315 0.3 72
Show 17510-4543 BRT1001 300 4.8 73
Show 17520-4807 TDT 544 277 0.5 74
Show 17520-4809 TDT 545 33 0.5 76
Show 17467-4801 B 1866 109 0.6 77
Show 17575-4633 SKF1057 297 30.7 77
Show 17439-4735 CPO 550 189 4.7 77
Show 17516-4811 I 617 263 2.0 78
Show 17426-4653 I 1334 311 1.9 81
Show 17487-4815 RSS 462 163 20.0 82
Show 17555-4759 B 1873 342 0.2 82
Show 17505-4817 HJ 4982 57 40.6 83
Show 17570-4607 CBL 164 207 11.2 84
Show 17422-4641 CPO 547 AB 267 5.1 86
Show 17589-4709 TDT 609 316 3.5 88
Show 17555-4544 CPO 563 81 4.9 88
Show 17452-4805 TDT 487 22 0.7 89
Show 17545-4814 TDT 565 280 0.4 89
Show 17418-4651 CPO9247 279 4.4 90
Show 17423-4621 ARY 124 350 55.7 91
Show 17481-4527 CPO9248 123 3.5 92
Show 17424-4618 HDS2505 AB 319 0.4 92
Show 17424-4618 ARY 128 AB,C 293 93.1 92
Show 17541-4821 B 1870 187 0.1 94
Show 17449-4809 I 1602 305 0.2 94
Show 17589-4732 CPO 569 339 4.5 94
Show 17488-4522 B 1868 221 1.3 95
Show 17451-4816 CPO 551 274 4.9 98
Show 17572-4546 HDS2529 127 14.2 98
Show 17417-4604 SWR 228 100 23.6 104
Show 17569-4535 TDT 592 290 2.6 105
Show 17594-4746 I 110 124 1.5 105
Show 18006-4639 BRT1009 40 4.2 106

 
 
WDS 17505-4655 : COMPONENTS
 
 
  A
B pa=56.4°
sep=3.92"
 
 
17505-4655 A
 
 
Componente originario normalizzato AB Name HD 161895 Coord arcsec 2000 175027.16-465457.2 Mag 10.78
Spectral class A3V (white) PmRA -18.00 PmDE -17.0 Tycho2 8348-02496-2
HD 161895
Tycho2
Tycho2 8348-02496-2 Pflag RAmdeg 267.61315928 DEmdeg -46.91587858
PmRA -6.7 PmDE -9.2 E RAmdeg 47 E DEmdeg 52
E pmRA 2.2 E pmDE 2.1 EpRAm 1985.73 EpDEm 1983.44
Num 3 Q RAmdeg 0.9 Q DEmdeg 0.3 Q pmRA 0.8
Q pmDE 0.3 BTmag 11.216 E BTmag 0.079 VTmag 10.784
E VTmag 0.084 Prox 52 TYC HIP
CCDM RAdeg 267.61318194 DEdeg -46.91585667 EpRA 1990 1.58
EpDE 1990 1.44 E RAdeg 48.8 E DEdeg 54.7 Posflg
Corr 0.0
 
 
17505-4655 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 175027.48-465455.0 Mag 11.11 Spectral class A3V (white)
PmRA 14.00 PmDE 11.0 Tycho2 8348-02496-1 Calc delta mag 0.33
Calc coord yes
Tycho2
Tycho2 8348-02496-1 Pflag RAmdeg 267.61507847 DEmdeg -46.91526126
PmRA -7.2 PmDE -5.7 E RAmdeg 46 E DEmdeg 52
E pmRA 2.2 E pmDE 2.1 EpRAm 1986.19 EpDEm 1983.71
Num 3 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 0.8
Q pmDE 0.8 BTmag 11.064 E BTmag 0.066 VTmag 11.114
E VTmag 0.108 Prox 52 TYC T HIP
CCDM RAdeg 267.61510306 DEdeg -46.91524778 EpRA 1990 1.60
EpDE 1990 1.45 E RAdeg 47.1 E DEdeg 53.9 Posflg
Corr 0.1