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Doubles in session


Current system
16569+2541
LDS 986


Nearby doubles
24' : 16550+2544
STF2110

29' : 16582+2520
STT 320

40' : 16539+2547
COU 492

52' : 16599+2510
TDT 171

62' : 16586+2637
TDS 846

64' : 16521+2550
KPP1116

74' : 16582+2652
CBL 511

76' : 16546+2432
AG 207

77' : 16529+2446
CVR 847

88' : 16574+2709
CFN 13

96' : 16558+2716
CVR 853

100' : 16564+2402
POU3252

104' : 17031+2640
TDT 190

105' : 16577+2358
SKF2730

107' : 16528+2409
TDT 126

113' : 16566+2349
POU3254

113' : 16568+2734
BRT 172

113' : 16585+2351
TDT 163

114' : 16486+2516
COU 491

115' : 16493+2450
TDT 102

115' : 16501+2432
POU3249

116' : 17053+2531
TDT 205

122' : 17037+2425
TDT 195

123' : 16565+2339
POU3253

124' : 17036+2704
TDT 194

125' : 16476+2538
WEI 31AB



Selections
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Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

16569+2541 LDS 986

 
 
16h 56m 46.43s +25° 41' 02.0" P.A. 266.00 sep 8.5 mag 10.72,10.83
 
 
Coord 2000 16569+2541 Discov num LDS 986 Comp Coord arcsec 2000 16 56 46.43 +25 41 02.0
Date first 1897 Date last 2018 Obs 19
Pa first 267 Pa last 265.5 P.A. Now (θ) 265.5°
Sep first 8.0 Sep last 8.533 Sep. Now (ρ) 8.533"
Mag pri 10.72 Mag sec 10.83 delta mag (ΔM) 0.11 Spectral class
Pri motion ra +130 Sec motion ra +127
Pri motion dec -173 Sec motion dec -175
Notes N T (See Notes, Parallax indicates physical)
rPM=0.017 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Tycho2 2063-00715-1 Gaia DR2 1306220642728857344
 
 
WDS 16569+2541 LDS 986 : NOTES
 
 
discov_num notes refcode
LDS 986 NLTT 43869/43868 Chm2004
 
 
REFERENCES
 
 
refcode metd author reference
Chm2004 E - Chaname, J. & Gould, A. 2004ApJ...601..289C
Chm2004 ApJ 601, 289, 2004
Chm2004 (Photometry, coordinates, and astrometry from rNLTT. Astrometry from early
Chm2004 versions of 2MASS and UCAC, with date given only as "circa 2000". Measures
Chm2004 identical to discovery observations - predominantly close pairs - were assumed
Chm2004 not new observations, so not included in WDS. Similar concerns when primary and
Chm2004 secondary magnitudes or proper motions were the same.)
 
 
DISCOVERER
 
 
idgroup discov author
1 LDS Luyten p.m. catalog (from additional DD list)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16569+2541 LDS 986 2005 8 266 8.4 10.72 10.83 N D 165646.43+254102.0
16569+2541 LDS 986 2017 11 267 8.5 10.72 10.83 N W 165646.43+254102.0
16569+2541 LDS 986 2018 13 266 8.5 10.72 10.83 N W 165646.43+254102.0

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

 
 
WDS 16569+2541 LDS 986 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 16569+2541 LDS 986 : MEASURES
 
 
No records found.

 
 
WDS 16569+2541 : VIRTUAL EYEPIECE
 
 

16569+2541 LDS 986A mag 10.72 16569+2541 LDS 986B sep 7.7 P.A. 265.00 mag 10.83 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 16569+2541 : ALADIN DSS IMAGE @ 16h 56m 46.43s +25° 41' 02.0"
 
 
 
 
WDS 16569+2541 LDS 986 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

16569+2541 LDS 986 distance=0' 16550+2544 STF2110 distance=24' 16582+2520 STT 320 distance=29' 16539+2547 COU 492 distance=40' 16599+2510 TDT 171 distance=52' 16586+2637 TDS 846 distance=62' 16521+2550 KPP1116 distance=64' 16582+2652 CBL 511 distance=74' 16546+2432 AG 207 distance=76' 16529+2446 CVR 847 distance=77' 16574+2709 CFN 13 distance=88' 16558+2716 CVR 853 distance=96' 16564+2402 POU3252 distance=100' 17031+2640 TDT 190 distance=104' 16577+2358 SKF2730 distance=105' 16528+2409 TDT 126 distance=107' 16566+2349 POU3254 distance=113' 16568+2734 BRT 172 distance=113' 16585+2351 TDT 163 distance=113' 16486+2516 COU 491 distance=114' 16493+2450 TDT 102 distance=115' 16501+2432 POU3249 distance=115' 17053+2531 TDT 205 distance=116' 17037+2425 TDT 195 distance=122' 16565+2339 POU3253 distance=123' 17036+2704 TDT 194 distance=124' 16476+2538 WEI 31AB distance=125' 16476+2538 WEI 31AC distance=125' 16476+2538 WEI 31BC distance=125' 17059+2606 LDS4721 distance=126' 16476+2520 TDT 89 distance=126' 17004+2345 CVR 193 distance=126' 16475+2520 KPP3309 distance=127' 16521+2349 POU3250 distance=129' 16471+2548 TDT 83 distance=132' 17044+2418 TDT 198AB distance=134' 16486+2700 TDT 99 distance=136' 17063+2631 A 228 distance=138' 16501+2358 POU3248 distance=139' 16555+2322 HO 409 distance=141' 17024+2343 HO 411AB distance=142' 17024+2343 HO 411AC distance=142' 17072+2544 GRV 946 distance=142' 16510+2747 NSN 59 distance=149' 17078+2606 DAM 879AB distance=151' 17078+2606 DAM 879AC distance=151' 17078+2606 DAM 879AD distance=151' 17076+2618 GRV 947 distance=152' 16469+2701 A 227 distance=155' 17081+2516 DAM 884 distance=156' 16463+2438 AG 351 distance=157' 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 16569+2541 LDS 986 266 8.5
Show 16550+2544 STF2110 92 18.0 24
Show 16582+2520 STT 320 252 5.8 29
Show 16539+2547 COU 492 92 0.5 40
Show 16599+2510 TDT 171 3 0.4 52
Show 16586+2637 TDS 846 76 1.3 62
Show 16521+2550 KPP1116 99 8.8 64
Show 16582+2652 CBL 511 273 18.4 74
Show 16546+2432 AG 207 215 2.9 76
Show 16529+2446 CVR 847 105 18.4 77
Show 16574+2709 CFN 13 118 1.0 88
Show 16558+2716 CVR 853 232 17.9 96
Show 16564+2402 POU3252 14 13.6 100
Show 17031+2640 TDT 190 69 0.7 104
Show 16577+2358 SKF2730 48 1.3 105
Show 16528+2409 TDT 126 175 1.8 107
Show 16566+2349 POU3254 73 12.7 113
Show 16568+2734 BRT 172 217 4.7 113
Show 16585+2351 TDT 163 276 1.2 113
Show 16486+2516 COU 491 43 0.8 114
Show 16493+2450 TDT 102 211 0.5 115
Show 16501+2432 POU3249 9 7.9 115
Show 17053+2531 TDT 205 77 0.5 116
Show 17037+2425 TDT 195 224 0.4 122
Show 16565+2339 POU3253 217 3.5 123
Show 17036+2704 TDT 194 180 0.5 124
Show 16476+2538 WEI 31 AB 317 5.0 125
Show 16476+2538 WEI 31 AC 260 31.1 125
Show 16476+2538 WEI 31 BC 251 28.7 125
Show 17059+2606 LDS4721 359 19.1 126
Show 16476+2520 TDT 89 109 0.5 126
Show 17004+2345 CVR 193 259 18.0 126
Show 16475+2520 KPP3309 296 12.4 127
Show 16521+2349 POU3250 54 16.6 129
Show 16471+2548 TDT 83 107 0.5 132
Show 17044+2418 TDT 198 AB 33 0.6 134
Show 16486+2700 TDT 99 38 0.5 136
Show 17063+2631 A 228 6 0.6 138
Show 16501+2358 POU3248 348 11.7 139
Show 16555+2322 HO 409 17 8.7 141
Show 17024+2343 HO 411 AB 263 2.2 142
Show 17024+2343 HO 411 AC 14 50.2 142
Show 17072+2544 GRV 946 42 20.1 142
Show 16510+2747 NSN 59 44 21.0 149
Show 17078+2606 DAM 879 AB 315 1.0 151
Show 17078+2606 DAM 879 AC 138 0.9 151
Show 17078+2606 DAM 879 AD 197 5.4 151
Show 17076+2618 GRV 947 148 47.2 152
Show 16469+2701 A 227 236 2.1 155
Show 17081+2516 DAM 884 80 7.1 156
Show 16463+2438 AG 351 303 3.0 157

 
 
WDS 16569+2541 : COMPONENTS
 
 
  A
B pa=265.0°
sep=7.70"
 
 
16569+2541 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 165646.43+254102.0 Mag 10.72 PmRA 130.00
PmDE -173.0 Tycho2 2063-00715-1
Tycho2
Tycho2 2063-00715-1 Pflag RAmdeg 254.19346632 DEmdeg 25.68389149
PmRA 131.9 PmDE -171.8 E RAmdeg 32 E DEmdeg 28
E pmRA 2.0 E pmDE 1.9 EpRAm 1988.61 EpDEm 1989.42
Num 4 Q RAmdeg 0.5 Q DEmdeg 0.8 Q pmRA 0.4
Q pmDE 0.8 BTmag 11.891 E BTmag 0.067 VTmag 10.716
E VTmag 0.040 Prox 84 TYC T HIP
CCDM RAdeg 254.19312778 DEdeg 25.68428583 EpRA 1990 1.68
EpDE 1990 1.74 E RAdeg 32.8 E DEdeg 27.5 Posflg
Corr -0.1
 
 
16569+2541 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 165645.86+254101.3 Mag 10.83 PmRA 127.00
PmDE -175.0 Tycho2 2063-00715-2 Calc delta mag 0.11 Calc coord yes
Tycho2
Tycho2 2063-00715-2 Pflag RAmdeg 254.19087487 DEmdeg 25.68372992
PmRA 129.1 PmDE -176.1 E RAmdeg 35 E DEmdeg 31
E pmRA 2.0 E pmDE 1.9 EpRAm 1988.07 EpDEm 1988.91
Num 4 Q RAmdeg 1.3 Q DEmdeg 1.0 Q pmRA 1.3
Q pmDE 1.1 BTmag 12.074 E BTmag 0.088 VTmag 10.829
E VTmag 0.044 Prox 84 TYC T HIP
CCDM RAdeg 254.19054472 DEdeg 25.68413444 EpRA 1990 1.69
EpDE 1990 1.73 E RAdeg 36.3 E DEdeg 31.2 Posflg
Corr -0.1