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Current system
17446+4440
A 1882


Nearby doubles
25' : 17469+4442
BRT 344

29' : 17425+4458
TDT 470

31' : 17422+4423
COU1596

44' : 17474+4409
CVR 206

48' : 17483+4506
SMA 79

50' : 17480+4406
KPP4061

57' : 17433+4345
STF2214AB

61' : 17454+4540
COU1597

63' : 17502+4424
SIG 3

71' : 17383+4500
ES 1257AB

72' : 17512+4454
STF2242AB

74' : 17389+4522
ES 1258

78' : 17439+4323
BWL 47AB

82' : 17370+4450
NSN 694

86' : 17481+4324
KPP4062

92' : 17428+4310
STF2209

93' : 17506+4547
SLW1214

93' : 17497+4325
LDS4764

94' : 17441+4613
A 1881

95' : 17444+4615
TDS 879

96' : 17486+4606
CBL 518

97' : 17505+4554
KPP3323

97' : 17395+4600
BU 1459AB

100' : 17526+4531
UC 233

101' : 17514+4332
LDS4767

106' : 17516+4555
A 1883



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

17446+4440 A 1882

 
 
17h 44m 34.43s +44° 39' 54.0" P.A. 57.00 sep 2.0 mag 9.08,13.80 Sp A5
 
 
Coord 2000 17446+4440 Discov num A  1882 Comp Coord arcsec 2000 17 44 34.43 +44 39 54.0
Date first 1908 Date last 2016 Obs 5
Pa first 58 Pa last 57.2 P.A. Now (θ) 57.2°
Sep first 1.5 Sep last 1.996 Sep. Now (ρ) 1.996"
Mag pri 9.08 Mag sec 13.80 delta mag (ΔM) 4.72 Spectral class A5 (white)
Pri motion ra -007 Sec motion ra
Pri motion dec -019 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules SAO 46923 Gaia DR2 1350110604288546816
 
 
WDS 17446+4440 A 1882 : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
A Aitken, R.G.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
17446+4440 A 1882 1928 3 53 1.8 9.08 13.80 A5 +44 2761 174434.43+443954.0
17446+4440 A 1882 2015 4 57 2.0 9.08 13.80 A5 +44 2761 174434.43+443954.0
17446+4440 A 1882 2016 5 57 2.0 9.08 13.80 A5 +44 2761 174434.43+443954.0

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

 
 
WDS 17446+4440 A 1882 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17446+4440 A 1882 : MEASURES
 
 
No records found.

 
 
WDS 17446+4440 : VIRTUAL EYEPIECE
 
 

17446+4440 A 1882A mag 9.08 Sp A5 17446+4440 A 1882B sep 2.0 P.A. 57.20 mag 13.8 virtual eyepiece
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Radius:
Components only
 
 
WDS 17446+4440 : ALADIN DSS IMAGE @ 17h 44m 34.43s +44° 39' 54.0"
 
 
 
 
WDS 17446+4440 A 1882 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17446+4440 A 1882 distance=0' 17469+4442 BRT 344 distance=25' 17425+4458 TDT 470 distance=29' 17422+4423 COU1596 distance=31' 17474+4409 CVR 206 distance=44' 17483+4506 SMA 79 distance=48' 17480+4406 KPP4061 distance=50' 17433+4345 STF2214AB distance=57' 17433+4345 D 16BC distance=57' 17454+4540 COU1597 distance=61' 17502+4424 SIG 3 distance=63' 17383+4500 ES 1257AB distance=71' 17383+4500 ES 1257AC distance=71' 17512+4454 STF2242AB distance=72' 17512+4454 CTT 26AC distance=72' 17389+4522 ES 1258 distance=74' 17439+4323 BWL 47AB distance=78' 17439+4323 BWL 47AC distance=78' 17370+4450 NSN 694 distance=82' 17481+4324 KPP4062 distance=86' 17428+4310 STF2209 distance=92' 17506+4547 SLW1214 distance=93' 17497+4325 LDS4764 distance=93' 17441+4613 A 1881 distance=94' 17444+4615 TDS 879 distance=95' 17486+4606 CBL 518 distance=96' 17505+4554 KPP3323 distance=97' 17395+4600 BLA 5Aa,Ab distance=97' 17395+4600 BU 1459AB distance=97' 17526+4531 UC 233 distance=100' 17514+4332 LDS4767 distance=101' 17516+4555 A 1883 distance=106' 17365+4543 COU1595 distance=107' 17398+4619 COU1780 distance=112' 17341+4447 CRC 74 distance=112' 17340+4429 COU1594 distance=114' 17474+4633 WJD 2 distance=117' 17533+4329 TDT 556 distance=118' 17372+4309 ES 2660 distance=121' 17553+4400 TLB 24 distance=122' 17365+4608 DAM 93 distance=123' 17556+4350 TDT 575 distance=129' 17361+4602 ALD 13 distance=129' 17519+4256 COU1598 distance=131' 17453+4229 UC 3398 distance=132' 17559+4351 ES 1415AB distance=132' 17559+4351 ES 1415Aa,Ab distance=132' 17456+4651 JOD 13 distance=132' 17536+4313 ES 2663 distance=132' 17377+4250 HDS2489 distance=133' 17382+4638 BVD 255 distance=136' 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 17446+4440 A 1882 57 2.0 0
Show 17469+4442 BRT 344 185 3.1 25
Show 17425+4458 TDT 470 195 2.2 29
Show 17422+4423 COU1596 119 0.2 31
Show 17474+4409 CVR 206 303 10.7 44
Show 17483+4506 SMA 79 92 15.3 48
Show 17480+4406 KPP4061 26 4.2 50
Show 17433+4345 STF2214 AB 210 19.9 57
Show 17433+4345 D 16 BC 150 0.9 57
Show 17454+4540 COU1597 301 1.0 61
Show 17502+4424 SIG 3 68 0.2 63
Show 17383+4500 ES 1257 AB 296 2.7 71
Show 17383+4500 ES 1257 AC 124 52.3 71
Show 17512+4454 STF2242 AB 325 3.4 72
Show 17512+4454 CTT 26 AC 108 79.7 72
Show 17389+4522 ES 1258 317 12.2 74
Show 17439+4323 BWL 47 AB 290 2.8 78
Show 17439+4323 BWL 47 AC 314 9.2 78
Show 17370+4450 NSN 694 320 1.6 82
Show 17481+4324 KPP4062 74 1.8 86
Show 17428+4310 STF2209 127 29.8 92
Show 17506+4547 SLW1214 25 22.2 93
Show 17497+4325 LDS4764 41 50.5 93
Show 17441+4613 A 1881 209 4.9 94
Show 17444+4615 TDS 879 37 1.4 95
Show 17486+4606 CBL 518 34 19.8 96
Show 17505+4554 KPP3323 213 1.6 97
Show 17395+4600 BLA 5 Aa,Ab 6 0.2 97
Show 17395+4600 BU 1459 AB 48 117.2 97
Show 17526+4531 UC 233 94 24.3 100
Show 17514+4332 LDS4767 253 15.7 101
Show 17516+4555 A 1883 41 0.6 106
Show 17365+4543 COU1595 267 0.5 107
Show 17398+4619 COU1780 223 0.2 112
Show 17341+4447 CRC 74 148 0.7 112
Show 17340+4429 COU1594 330 0.6 114
Show 17474+4633 WJD 2 108 2.4 117
Show 17533+4329 TDT 556 257 0.8 118
Show 17372+4309 ES 2660 155 9.3 121
Show 17553+4400 TLB 24 342 28.8 122
Show 17365+4608 DAM 93 130 4.8 123
Show 17556+4350 TDT 575 209 0.5 129
Show 17361+4602 ALD 13 31 2.8 129
Show 17519+4256 COU1598 231 0.4 131
Show 17453+4229 UC 3398 134 17.3 132
Show 17559+4351 ES 1415 AB 130 1.7 132
Show 17559+4351 ES 1415 Aa,Ab 33 0.3 132
Show 17456+4651 JOD 13 77 0.7 132
Show 17536+4313 ES 2663 333 10.1 132
Show 17377+4250 HDS2489 347 0.6 133
Show 17382+4638 BVD 255 354 7.4 136

 
 
WDS 17446+4440 : COMPONENTS
 
 
  A
B pa=57.2°
sep=2.00"
 
 
17446+4440 A
 
 
Coord arcsec 2000 174434.43+443954.0 Mag 9.08 Spectral class A5 (white) PmRA -7.00
PmDE -19.0 SAO 46923 DM BD+44 2761
SAO
SAO 46923 DelFlag RA1950 PmRA1950 -0.0033
DE1950 PmDE1950 -0.041 Vmag 8.6 SpType
Double code Source 4 CatNum 1421 DM BD+44 2761
DMcomp BDsup HD M HD
GC RA1950rad 4.63868473 DE1950rad 0.77989645 PmRA2000 -0.0028
PmDE2000 -0.041
CCDM
Ccdm 17446+4440 RComp Comp A Note1
Note2 Discov num DRAs -1.70 DDEs -5.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.7 Sp PmNote *
PmRA -11 PmDE -12 Dm number +44 2761 Cat1 BD
Name2 +44 1421 Cat2 AGK2/3 HD M HD
ADS BDS A10766 M ADS BDS N IDS IDS 17416N4442A
HIC
 
 
17446+4440 B
 
 
Coord arcsec 2000 174434.59+443955.1 Mag 13.8 Delta magnitude 4.72 Coordinate calculated yes
CCDM
Ccdm 17446+4440 RComp Comp B Note1
Note2 Discov num A 1882 DRAs DDEs
R dRAs Year 1928 Theta 053 Rho 1.8
Obs 3 Vmag 13.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10766 M ADS BDS N IDS IDS 17416N4442B
HIC