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Doubles in session


Current system
19544-5603
B 453
HD 187745


Nearby doubles
44' : 19560-5521
RST1052

46' : 19548-5517
TDT1844

47' : 19598-5552
KPP 449

51' : 20002-5617
B 457

54' : 19488-5539
B 447

56' : 19496-5525
I 658

57' : 19562-5509
I 1040

57' : 19480-5622
TOK 335

59' : 20014-5601
B 460

65' : 19524-5705
RST1049

66' : 19473-5539
TDT1750

67' : 19526-5458
DUN 227

69' : 19501-5505
KPP 922

73' : 20001-5508
B 458

80' : 19472-5513
HDS2813

80' : 19504-5715
B 449

83' : 20043-5603
UC 4075

88' : 19444-5540
KPP 714

88' : 20043-5635
LDS 699

89' : 19584-5725
DAW 25

90' : 20040-5525
TDT1947

94' : 19535-5430
RST3241

99' : 19437-5645
RST4046

100' : 20014-5725
LDS 696

101' : 19598-5433
TDT1906

104' : 19421-5601
RST4045



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

19544-5603 B 453 (HD 187745)

 
 
19h 54m 26.94s -56° 03' 02.1" P.A. 345.00 sep 0.4 mag 11.60,8.43 Sp A0V dist. 273.22 pc (891.24 l.y.)
 
 
Coord 2000 19544-5603 Discov num B   453 Comp Coord arcsec 2000 19 54 26.94 -56 03 02.1
Date first 1927 Date last 1991 Obs 3
Pa first 338 Pa last 345 P.A. Now (θ) 345°
Sep first 0.2 Sep last 0.432 Sep. Now (ρ) 0.432"
Mag pri 11.60 Mag sec 8.43 delta mag (ΔM) 3.17 Spectral class A0V (white)
Pri motion ra +009 Sec motion ra
Pri motion dec -025 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 187745 Constellation Telescopium SAO 246327 HIP 97953
Tycho2 8779-02049-1 Gaia DR2 6448914113868035840 HD 187745 CP CP-56 9328
Distance 273.22 Distance ly 891.24
 
 
WDS 19544-5603 B 453 (HD 187745) : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
B van den Bos, W.H.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
19544-5603 B 453 1991 3 345 0.4 11.60 8.43 A0V -56 9328 D 195426.94-560302.1

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

 
 
WDS 19544-5603 B 453 (HD 187745) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19544-5603 B 453 (HD 187745) : MEASURES
 
 
No records found.

 
 
WDS 19544-5603 (HD 187745) : VIRTUAL EYEPIECE
 
 

19544-5603 B 453A mag 11.6 Sp A0V 19544-5603 B 453B sep 0.4 P.A. 345.00 mag 8.43 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 19544-5603 (HD 187745) : ALADIN DSS IMAGE @ 19h 54m 26.94s -56° 03' 02.1"
 
 
 
 
WDS 19544-5603 B 453 (HD 187745) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19544-5603 B 453 distance=1' 19560-5521 RST1052 distance=44' 19548-5517 TDT1844 distance=46' 19598-5552 KPP 449 distance=47' 20002-5617 B 457 distance=51' 19488-5539 B 447 distance=54' 19496-5525 I 658 distance=56' 19562-5509 I 1040 distance=57' 19480-5622 TOK 335 distance=57' 20014-5601 B 460 distance=59' 20002-5522 B 459BC distance=64' 20002-5522 I 1041A,BC distance=64' 19524-5705 RST1049 distance=65' 19473-5539 TDT1750 distance=66' 19526-5458 DUN 227 distance=67' 19501-5505 KPP 922 distance=69' 20001-5508 B 458 distance=73' 19472-5513 HDS2813 distance=80' 19504-5715 B 449 distance=80' 20043-5603 UC 4075 distance=83' 19444-5540 KPP 714 distance=88' 20043-5635 LDS 699 distance=88' 19584-5725 DAW 25 distance=89' 20040-5525 TDT1947 distance=90' 19535-5430 RST3241 distance=94' 19437-5645 RST4046 distance=99' 20014-5725 LDS 696 distance=100' 19598-5433 TDT1906 distance=101' 19421-5601 RST4045 distance=104' 19428-5529 HJ 5135 distance=104' 20068-5615 I 1412 distance=105' 19424-5530 TDT1658 distance=107' 19443-5714 RST1045 distance=110' 20055-5504 UC 4082 distance=111' 19573-5414 I 659 distance=112' 19562-5406 HJ 5447 distance=118' 20089-5559 TDT2021AB distance=121' 20089-5559 RST4052AC distance=121' 20067-5711 LDS 701 distance=122' 20070-5501 UC 4088 distance=124' 19550-5359 LDS 692 distance=124' 20091-5544 TDT2027 distance=126' 19445-5741 RST1046 distance=128' 20094-5526 UC 4108 distance=132' 19585-5352 TDT1891 distance=137' 20113-5613 I 1414 distance=141' 19468-5357 RST3236 distance=143' 19506-5340 HJ 5146 distance=147' 19504-5339 DAW 24 distance=148' 20044-5400 B 462 distance=150' 19417-5420 UC 4010 distance=151' 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 19544-5603 B 453 345 0.4 1
Show 19560-5521 RST1052 262 1.4 44
Show 19548-5517 TDT1844 341 0.7 46
Show 19598-5552 KPP 449 77 5.0 47
Show 20002-5617 B 457 283 4.8 51
Show 19488-5539 B 447 251 3.6 54
Show 19496-5525 I 658 131 1.2 56
Show 19562-5509 I 1040 202 1.9 57
Show 19480-5622 TOK 335 333 102.0 57
Show 20014-5601 B 460 54 0.5 59
Show 20002-5522 B 459 BC 223 0.3 64
Show 20002-5522 I 1041 A,BC 45 1.4 64
Show 19524-5705 RST1049 328 0.9 65
Show 19473-5539 TDT1750 300 2.0 66
Show 19526-5458 DUN 227 148 23.0 67
Show 19501-5505 KPP 922 128 7.6 69
Show 20001-5508 B 458 81 0.6 73
Show 19472-5513 HDS2813 142 0.7 80
Show 19504-5715 B 449 91 1.0 80
Show 20043-5603 UC 4075 170 12.4 83
Show 19444-5540 KPP 714 228 6.3 88
Show 20043-5635 LDS 699 304 8.1 88
Show 19584-5725 DAW 25 220 3.2 89
Show 20040-5525 TDT1947 273 1.6 90
Show 19535-5430 RST3241 106 2.7 94
Show 19437-5645 RST4046 81 0.3 99
Show 20014-5725 LDS 696 116 31.6 100
Show 19598-5433 TDT1906 256 0.4 101
Show 19421-5601 RST4045 42 0.4 104
Show 19428-5529 HJ 5135 176 12.4 104
Show 20068-5615 I 1412 127 6.8 105
Show 19424-5530 TDT1658 130 1.0 107
Show 19443-5714 RST1045 358 4.0 110
Show 20055-5504 UC 4082 122 25.4 111
Show 19573-5414 I 659 152 1.1 112
Show 19562-5406 HJ 5447 266 11.3 118
Show 20089-5559 TDT2021 AB 236 0.5 121
Show 20089-5559 RST4052 AC 55 1.5 121
Show 20067-5711 LDS 701 333 78.9 122
Show 20070-5501 UC 4088 273 33.4 124
Show 19550-5359 LDS 692 67 25.2 124
Show 20091-5544 TDT2027 124 0.3 126
Show 19445-5741 RST1046 211 3.1 128
Show 20094-5526 UC 4108 337 19.7 132
Show 19585-5352 TDT1891 206 2.1 137
Show 20113-5613 I 1414 125 0.8 141
Show 19468-5357 RST3236 272 0.5 143
Show 19506-5340 HJ 5146 284 8.3 147
Show 19504-5339 DAW 24 180 5.3 148
Show 20044-5400 B 462 23 1.8 150
Show 19417-5420 UC 4010 287 10.4 151

 
 
WDS 19544-5603 : COMPONENTS
 
 
  A
B pa=345.0°
sep=0.43"
 
 
19544-5603 A
 
 
Name HD 187745 Coord arcsec 2000 195426.94-560302.1 Mag 11.6 Spectral class A0V (white)
PmRA 9.00 PmDE -25.0 HIP 97953 CP CP-56 9328
Hipparcos
Catalog H HIP 97953 Proxy H RAhms 19 54 26.94
DEdms -56 03 02.1 Vmag 8.35 VarFlag R Vmag H
RAdeg 298.612 DEdeg -56.0506 AstroRef B Plx 2.87
CCDM 6.16 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP BA
Theta 165 Rho 0.432 HD BD
CD CP CP-56 9328 Dm number -56 9328 VIred 0.05
SpType A0V R SpType Coord arcsec 2000 195426.94-560302.1
Hipparcos 2
HIP 97953 Sn 15 So 3 Nc 2
RArad 5.211766689 DErad -0.9782671359 Plx 3.66 PmRA 6.03
PmDE -18.82 E RArad 0.7 E DErad 0.56 E Plx 0.97
E pmRA 1.03 E pmDE 0.87 Hpmag E Hpmag 0.0016
SHp 0.014 VA 0 BV 0.042 E BV 0.012
VI 0.06
 
 
19544-5603 B
 
 
Coord arcsec 2000 195426.93-560301.7 Mag 8.43 SAO 246327 Tycho2 8779-02049-1
HD 187745 DM CP-56 9328 Delta magnitude 3.17 Coordinate calculated yes
Tycho2
Tycho2 8779-02049-1 Pflag RAmdeg 298.61226801 DEmdeg -56.05062689
PmRA 6.5 PmDE -18.7 E RAmdeg 5 E DEmdeg 6
E pmRA 1.3 E pmDE 1.3 EpRAm 1991.27 EpDEm 1991.03
Num 10 Q RAmdeg 0.8 Q DEmdeg 1.2 Q pmRA 0.8
Q pmDE 1.2 BTmag 8.439 E BTmag 0.015 VTmag 8.367
E VTmag 0.012 Prox 999 TYC T HIP 97953
CCDM AB RAdeg 298.61224167 DEdeg -56.05058361 EpRA 1990 1.73
EpDE 1990 1.70 E RAdeg 5.1 E DEdeg 5.5 Posflg P
Corr -0.1
SAO
SAO 246327 DelFlag RA1950 PmRA1950 0.0026
DE1950 PmDE1950 -0.083 Vmag 8.4 SpType A0
Double code Source 43 CatNum 6338 DM CP-56 9328
DMcomp BDsup HD 187745 M HD 0
GC RA1950rad 5.19420036 DE1950rad -0.98055249 PmRA2000 0.0021
PmDE2000 -0.086