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Doubles in session


Current system
21187+2149
LDS 4878


Nearby doubles
14' : 21197+2155
TDT2907

17' : 21194+2136
UC 4442

17' : 21192+2134
TDT2900

25' : 21174+2135
COU 228

33' : 21187+2118
ARY 62AB

34' : 21169+2129
TDS1122

37' : 21164+2206
AZC 111

43' : 21162+2128
SLW1235

44' : 21161+2214
KPP4230AB

48' : 21157+2128
RAO 450

51' : 21187+2240
UC 4439

51' : 21224+2146
GRV 457

53' : 21174+2239
UC 4429

53' : 21210+2233
COU 229

58' : 21146+2147
KPP2406

60' : 21174+2053
KUI 106

64' : 21211+2244
AZC 112AB

67' : 21234+2139
J 2345

67' : 21209+2050
CBL 531

71' : 21235+2125
SKF 15

86' : 21240+2236
KU 60

87' : 21162+2309
TDT2874

90' : 21247+2116
HU 370

95' : 21147+2034
TDT2853

98' : 21198+2326
POU5335

100' : 21158+2320
POU5296



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

21187+2149 LDS 4878

 
 
21h 18m 46.10s +21° 49' 57.3" P.A. 10.00 sep 12.6 mag 17.30,17.80 Sp M4+M4
 
 
Coord 2000 21187+2149 Discov num LDS4878 Comp Coord arcsec 2000 21 18 46.10 +21 49 57.3
Date first 1960 Date last 2016 Obs 10
Pa first 10 Pa last 9.7 P.A. Now (θ) 9.7°
Sep first 13.0 Sep last 12.565 Sep. Now (ρ) 12.565"
Mag pri 17.30 Mag sec 17.80 delta mag (ΔM) 0.5 Spectral class M4+M4 (red/red)
Pri motion ra -064 Sec motion ra -070
Pri motion dec +074 Sec motion dec +078
Notes V (Proper motion indicates physical)
rPM=0.069 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Vulpecula Gaia DR2 1791520606798503552
 
 
WDS 21187+2149 LDS 4878 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
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
21187+2149 LDS4878 1960 1 10 13.0 18.70 19.80 211842.00+214954.0
21187+2149 LDS4878 1999 2 10 12.5 17.30 17.80 211846.10+214957.3
21187+2149 LDS4878 2008 3 10 12.6 17.30 17.80 M4+M4 V 211846.10+214957.3
21187+2149 LDS4878 2010 4 10 12.6 17.30 17.80 M4+M4 V 211846.10+214957.3
21187+2149 LDS4878 2015 5 10 12.6 17.30 17.80 M4+M4 V 211846.10+214957.3
21187+2149 LDS4878 2016 10 10 12.6 17.30 17.80 M4+M4 V 211846.10+214957.3

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

 
 
WDS 21187+2149 LDS 4878 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21187+2149 LDS 4878 : MEASURES
 
 
No records found.

 
 
WDS 21187+2149 : VIRTUAL EYEPIECE
 
 

21187+2149 LDS4878A mag 17.3 Sp M4 21187+2149 LDS4878B sep 12.5 P.A. 9.00 mag 17.8 Sp M4 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 21187+2149 : ALADIN DSS IMAGE @ 21h 18m 46.10s +21° 49' 57.3"
 
 
 
 
WDS 21187+2149 LDS 4878 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21187+2149 LDS4878 distance=0' 21197+2155 TDT2907 distance=14' 21194+2136 UC 4442 distance=17' 21192+2134 TDT2900 distance=17' 21174+2135 COU 228 distance=25' 21187+2118 HDS3033Aa,Ab distance=33' 21187+2118 ARY 62AB distance=33' 21169+2129 TDS1122 distance=34' 21164+2206 AZC 111 distance=37' 21162+2128 SLW1235 distance=43' 21161+2214 KPP4230AB distance=44' 21157+2128 RAO 450 distance=48' 21187+2240 UC 4439 distance=51' 21224+2146 GRV 457 distance=51' 21174+2239 UC 4429 distance=53' 21210+2233 COU 229 distance=53' 21146+2147 KPP2406 distance=58' 21174+2053 KUI 106 distance=60' 21211+2244 AZC 112AB distance=64' 21234+2139 J 2345 distance=67' 21209+2050 CBL 531 distance=67' 21235+2125 SKF 15 distance=71' 21240+2236 KU 60 distance=86' 21162+2309 TDT2874 distance=87' 21247+2116 HU 370 distance=90' 21147+2034 TDT2853 distance=95' 21198+2326 POU5335 distance=98' 21158+2320 POU5296 distance=100' 21115+2144 COU 227 distance=102' 21174+2330 POU5312 distance=102' 21261+2201 OCC9222 distance=103' 21117+2220 BRT2492AB distance=103' 21133+2041 BRT2493 distance=103' 21117+2220 FYM 291BC distance=103' 21174+2332 POU5314 distance=104' 21161+2011 SLW1234 distance=106' 21259+2229 TDT2960 distance=107' 21230+2322 POU5356 distance=110' 21257+2058 J 3138 distance=111' 21138+2025 TDT2838 distance=111' 21161+2338 POU5300 distance=114' 21198+2343 POU5336 distance=115' 21166+2341 POU5306 distance=116' 21237+2016 COU 230 distance=117' 21211+2343 POU5348 distance=118' 21200+1953 GRV 447 distance=119' 21139+2329 BKO 890 distance=120' 21143+2333 POU5282 distance=121' 21105+2227 STF2769AB distance=121' 21105+2227 FYM 289AD distance=121' 21134+2324 POU5264 distance=121' 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 21187+2149 LDS4878 10 12.6
Show 21197+2155 TDT2907 91 1.0 14
Show 21194+2136 UC 4442 99 59.2 17
Show 21192+2134 TDT2900 220 1.3 17
Show 21174+2135 COU 228 47 0.7 25
Show 21187+2118 HDS3033 Aa,Ab 319 0.0 33
Show 21187+2118 ARY 62 AB 105 88.1 33
Show 21169+2129 TDS1122 248 1.4 34
Show 21164+2206 AZC 111 33 9.6 37
Show 21162+2128 SLW1235 134 10.4 43
Show 21161+2214 KPP4230 AB 328 2.0 44
Show 21157+2128 RAO 450 14 3.0 48
Show 21187+2240 UC 4439 222 9.8 51
Show 21224+2146 GRV 457 323 77.2 51
Show 21174+2239 UC 4429 171 55.7 53
Show 21210+2233 COU 229 118 0.5 53
Show 21146+2147 KPP2406 36 20.8 58
Show 21174+2053 KUI 106 341 4.4 60
Show 21211+2244 AZC 112 AB 14 12.3 64
Show 21234+2139 J 2345 202 4.6 67
Show 21209+2050 CBL 531 327 25.5 67
Show 21235+2125 SKF 15 262 40.2 71
Show 21240+2236 KU 60 228 7.3 86
Show 21162+2309 TDT2874 237 0.6 87
Show 21247+2116 HU 370 105 2.1 90
Show 21147+2034 TDT2853 221 1.7 95
Show 21198+2326 POU5335 143 15.6 98
Show 21158+2320 POU5296 293 16.5 100
Show 21115+2144 COU 227 122 0.5 102
Show 21174+2330 POU5312 293 4.1 102
Show 21261+2201 OCC9222 308 9.0 103
Show 21117+2220 BRT2492 AB 338 5.0 103
Show 21133+2041 BRT2493 316 4.3 103
Show 21117+2220 FYM 291 BC 336 15.7 103
Show 21174+2332 POU5314 125 17.1 104
Show 21161+2011 SLW1234 135 83.9 106
Show 21259+2229 TDT2960 189 0.9 107
Show 21230+2322 POU5356 176 17.6 110
Show 21257+2058 J 3138 256 3.1 111
Show 21138+2025 TDT2838 20 0.5 111
Show 21161+2338 POU5300 135 13.4 114
Show 21198+2343 POU5336 334 12.6 115
Show 21166+2341 POU5306 89 14.6 116
Show 21237+2016 COU 230 187 0.9 117
Show 21211+2343 POU5348 199 13.0 118
Show 21200+1953 GRV 447 277 32.2 119
Show 21139+2329 BKO 890 190 9.3 120
Show 21143+2333 POU5282 358 7.3 121
Show 21105+2227 STF2769 AB 301 18.1 121
Show 21105+2227 FYM 289 AD 78 16.2 121
Show 21134+2324 POU5264 155 14.9 121

 
 
WDS 21187+2149 : COMPONENTS
 
 
  A
B pa=9.0°
sep=12.54"
 
 
21187+2149 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 211846.10+214957.3 Mag 17.3 Spectral class M4 (red)
PmRA -64.00 PmDE 74.0
 
 
21187+2149 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 211846.24+215009.7 Mag 17.8 Spectral class M4 (red)
PmRA -70.00 PmDE 78.0 Calc delta mag 0.5 Calc coord yes