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Current system
16249+5218
LDS 4670 AB


Nearby doubles
42' : 16204+5223
FAR 45AB

49' : 16206+5150
ES 629

52' : 16280+5136
HU 663

53' : 16235+5127
DVG 44

57' : 16199+5146
ES 628

65' : 16287+5124
HU 748

65' : 16197+5135
HU 662

74' : 16328+5209
KPP 663

79' : 16177+5136
UC 3148

80' : 16203+5111
OSO 69AB

83' : 16186+5120
ES 627

84' : 16186+5118
TOB 134

86' : 16150+5158
GRV1121

92' : 16264+5047
BEM9021

94' : 16317+5327
SKF1645

103' : 16265+5037
COU2112

106' : 16149+5127
KPP3990

107' : 16225+5402
TDS9868

111' : 16362+5255
STF2078AB

117' : 16125+5155
TDS9795

118' : 16126+5146
YSC 112

120' : 16276+5415
ES 630

121' : 16254+5418
BWL 43

127' : 16187+5412
CVR1662

130' : 16269+5010
TDS9906

130' : 16138+5059
OSW 66



Selections
Full WDS
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.

16249+5218 LDS 4670 AB

 
 
16h 24m 51.46s +52° 17' 56.5" P.A. 216.00 sep 49.0 mag 11.71,13.53
 
 
Coord 2000 16249+5218 Discov num LDS4670 Comp AB Coord arcsec 2000 16 24 51.46 +52 17 56.5
Date first 1960 Date last 2016 Obs 14
Pa first 217 Pa last 215.6 P.A. Now (θ) 215.6°
Sep first 49.0 Sep last 49 Sep. Now (ρ) 49"
Mag pri 11.71 Mag sec 13.53 delta mag (ΔM) 1.82 Spectral class
Pri motion ra -111 Sec motion ra -107
Pri motion dec +170 Sec motion dec +168
Notes N T W (See Notes, Parallax indicates physical, )
rPM=0.022 (< 0.3, Physical double)
This double is physical.
 
 
16249+5218 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 16 24 51 +52 17 56 LDS 4670 Aa,Ab 2016 3 281 2.3 11.40 14.40 3.00
Show 16 24 51 +52 17 56 LDS 4670 AB 2016 14 216 49.0 11.71 13.53 1.82 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Draco
 
 
WDS 16249+5218 LDS 4670 AB : NOTES
 
 
discov_num notes refcode
LDS4670 NLTT 42778/42776 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
16249+5218 LDS4670 AB 2015 13 217 49.3 11.71 13.53 NT 162451.46+521756.5
16249+5218 LDS4670 AB 2016 14 216 49.0 11.71 13.53 NTW 162451.46+521756.5

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

 
 
WDS 16249+5218 LDS 4670 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 16249+5218 LDS 4670 AB : MEASURES
 
 
No records found.

 
 
WDS 16249+5218 : VIRTUAL EYEPIECE
 
 

16249+5218 LDS4670A mag 11.71 16249+5218 LDS4670Ab sep 1.4 P.A. 287.50 mag 14.4 16249+5218 LDS4670B sep 43.5 P.A. 203.60 mag 13.53 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 16249+5218 : ALADIN DSS IMAGE @ 16h 24m 51.46s +52° 17' 56.5"
 
 
 
 
WDS 16249+5218 LDS 4670 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

16249+5218 LDS4670AB distance=0' 16204+5223 FAR 45AB distance=42' 16204+5223 FAR 45AC distance=42' 16206+5150 ES 629 distance=49' 16280+5136 HU 663 distance=52' 16235+5127 DVG 44 distance=53' 16199+5146 ES 628 distance=57' 16287+5124 HU 748 distance=65' 16197+5135 HU 662 distance=65' 16328+5209 KPP 663 distance=74' 16319+5259 A 1862A,BC distance=77' 16319+5259 A 1862BC distance=78' 16177+5136 UC 3148 distance=79' 16203+5111 OSO 69AB distance=80' 16203+5111 OSO 69AC distance=80' 16186+5120 ES 627 distance=83' 16186+5118 TOB 134 distance=84' 16150+5158 GRV1121 distance=86' 16264+5047 BEM9021 distance=92' 16317+5327 SKF1645 distance=94' 16265+5037 COU2112 distance=103' 16149+5127 KPP3990 distance=106' 16225+5402 TDS9868 distance=107' 16362+5255 STFA 30CD distance=110' 16362+5255 STF2078AB distance=111' 16362+5255 STFA 30AC distance=111' 16362+5255 STFA 30BC distance=111' 16125+5155 TDS9795 distance=117' 16126+5146 YSC 112 distance=118' 16276+5415 ES 630 distance=120' 16254+5418 BWL 43 distance=121' 16187+5412 CVR1662 distance=127' 16269+5010 TDS9906 distance=130' 16138+5059 OSW 66 distance=130' 16211+5011 TDS9852 distance=132' 16392+5237 ES 968 distance=133' 16140+5350 LDS4655 distance=134' 16097+5211 CVR 180 distance=140' 16355+5403 GRV1221 distance=143' 16238+5441 TDS9878 distance=144' 16402+5300 KPP4009 distance=146' 16376+5351 SLW1188 distance=148' 16319+5435 CVR 828 distance=151' 16173+5001 COU2111 distance=155' 16413+5138 TDT 33 distance=157' 16383+5040 CVR 189 distance=160' 16422+5236 BEM 22 distance=160' 16350+5431 NSN 681 distance=161' 16271+5457 CVR 821 distance=161' 16132+5422 TDS9800 distance=163' 16071+5159 UC 3119 distance=165' 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 16249+5218 LDS4670 AB 216 49.0
Show 16249+5218 LDS4670 Aa,Ab 281 2.3
Show 16204+5223 FAR 45 AB 24 0.5 42
Show 16204+5223 FAR 45 AC 281 3.2 42
Show 16206+5150 ES 629 101 11.0 49
Show 16280+5136 HU 663 233 3.0 52
Show 16235+5127 DVG 44 99 16.6 53
Show 16199+5146 ES 628 263 3.9 57
Show 16287+5124 HU 748 82 5.9 65
Show 16197+5135 HU 662 221 4.0 65
Show 16328+5209 KPP 663 177 6.0 74
Show 16319+5259 A 1862 A,BC 111 74.4 77
Show 16319+5259 A 1862 BC 248 0.3 78
Show 16177+5136 UC 3148 317 49.4 79
Show 16203+5111 OSO 69 AB 285 15.6 80
Show 16203+5111 OSO 69 AC 342 17.1 80
Show 16186+5120 ES 627 288 11.7 83
Show 16186+5118 TOB 134 250 23.2 84
Show 16150+5158 GRV1121 180 11.6 86
Show 16264+5047 BEM9021 52 18.4 92
Show 16317+5327 SKF1645 79 3.3 94
Show 16265+5037 COU2112 75 0.5 103
Show 16149+5127 KPP3990 287 2.4 106
Show 16225+5402 TDS9868 227 0.7 107
Show 16362+5255 STFA 30 CD 123 125.5 110
Show 16362+5255 STF2078 AB 104 2.9 111
Show 16362+5255 STFA 30 AC 193 90.2 111
Show 16362+5255 STFA 30 BC 194 90.1 111
Show 16125+5155 TDS9795 96 0.8 117
Show 16126+5146 YSC 112 333 0.7 118
Show 16276+5415 ES 630 44 5.8 120
Show 16254+5418 BWL 43 201 5.4 121
Show 16187+5412 CVR1662 351 4.1 127
Show 16269+5010 TDS9906 4 0.6 130
Show 16138+5059 OSW 66 151 70.7 130
Show 16211+5011 TDS9852 284 1.0 132
Show 16392+5237 ES 968 228 5.5 133
Show 16140+5350 LDS4655 322 26.5 134
Show 16097+5211 CVR 180 237 11.5 140
Show 16355+5403 GRV1221 58 9.6 143
Show 16238+5441 TDS9878 289 2.1 144
Show 16402+5300 KPP4009 134 36.3 146
Show 16376+5351 SLW1188 263 15.1 148
Show 16319+5435 CVR 828 118 12.7 151
Show 16173+5001 COU2111 39 0.3 155
Show 16413+5138 TDT 33 233 0.9 157
Show 16383+5040 CVR 189 270 15.4 160
Show 16422+5236 BEM 22 105 7.5 160
Show 16350+5431 NSN 681 327 2.2 161
Show 16271+5457 CVR 821 263 7.8 161
Show 16132+5422 TDS9800 41 0.9 163

 
 
WDS 16249+5218 : COMPONENTS
 
 
  A Ab
Ab pa=287.5°
sep=1.42"
 
B pa=203.6°
sep=43.49"
pa=201.8°
sep=43.36"
 
 
16249+5218 A
 
 
Coord arcsec 2000 162451.46+521756.5 Mag 11.71 PmRA -111.00 PmDE 170.0
 
 
16249+5218 Ab
 
 
Coord arcsec 2000 162451.31+521756.9 Mag 14.4 PmRA -114.00 PmDE 176.0
Calc delta mag 3 Calc coord yes
 
 
16249+5218 B
 
 
Coord arcsec 2000 162449.56+521716.7 Mag 13.53 PmRA -107.00 PmDE 168.0
Calc delta mag 2.13 Calc coord yes