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Doubles in session


Current system
20228+0156
TDT 2221


Nearby doubles
8' : 20225+0155
HJ 2955

37' : 20227+0119
BAL1555

39' : 20202+2000
KPP 879AB

45' : 20253+0133
BAL1556

45' : 20251+0225
LDS4841

52' : 20251+0233
BAL2023

52' : 20198+0132
TDT2172

53' : 20204+0119
UC 4151

54' : 20204+0118
J 555

54' : 20263+0156
BAL1557

55' : 20195+0133
SKF 925

59' : 20212+0249
TOK 730

59' : 20267+0155
J 155AB

59' : 20266+0143
BAL1558

59' : 20213+0250
HLD 158

59' : 20246+0104
STF2677AB

63' : 20236-0055
RST5155

63' : 20222-0054
UC 4160

71' : 20216-0048
HJ 914

72' : 20199+0254
TDT2175

74' : 20258+0058
SKF 927

75' : 20247+0302
J 1342

77' : 20197-0056
BAL 610

81' : 20257+0304
BAL2024

81' : 20281+0140
BAL1560

84' : 20200+0308
HJ 913



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

20228+0156 TDT 2221

 
 
20h 22m 47.33s +01° 56' 05.7" P.A. 260.00 sep 0.7 mag 11.03,11.35 Sp M2
 
 
Coord 2000 20228+0156 Discov num TDT2221 Comp Coord arcsec 2000 20 22 47.33 +01 56 05.7
Date first 1991 Date last 1991 Obs 1
Pa first 260 Pa last 260 P.A. Now (θ) 260°
Sep first 0.7 Sep last 0.7 Sep. Now (ρ) 0.7"
Mag pri 11.03 Mag sec 11.35 delta mag (ΔM) 0.32 Spectral class M2 (red)
Pri motion ra +002 Sec motion ra +002
Pri motion dec +000 Sec motion dec +000
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquila Tycho2 0501-00205-1 Gaia DR2 4243100381878094976
 
 
WDS 20228+0156 TDT 2221 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
No records found.

 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20228+0156 TDT2221 1991 1 260 0.7 11.03 11.35 202247.33+015605.7

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

 
 
WDS 20228+0156 TDT 2221 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20228+0156 TDT 2221 : MEASURES
 
 
No records found.

 
 
WDS 20228+0156 : VIRTUAL EYEPIECE
 
 

20228+0156 TDT2221A mag 11.03 Sp M2 20228+0156 TDT2221B sep 0.7 P.A. 260.00 mag 11.35 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 20228+0156 : ALADIN DSS IMAGE @ 20h 22m 47.33s +01° 56' 05.7"
 
 
 
 
WDS 20228+0156 TDT 2221 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20228+0156 TDT2221 distance=0' 20225+0155 HJ 2955 distance=8' 20227+0119 BAL1555 distance=37' 20202+2000 KPP 879AB distance=39' 20253+0133 BAL1556 distance=45' 20251+0225 LDS4841 distance=45' 20251+0233 BAL2023 distance=52' 20198+0132 TDT2172 distance=52' 20204+0119 UC 4151 distance=53' 20204+0118 J 555 distance=54' 20263+0156 BAL1557 distance=54' 20195+0133 SKF 925 distance=55' 20267+0155 J 155BC distance=59' 20212+0249 TOK 730 distance=59' 20267+0155 J 155AB distance=59' 20266+0143 BAL1558 distance=59' 20213+0250 HLD 158 distance=59' 20246+0104 STF2677AB distance=59' 20246+0104 STF2677AC distance=59' 20236-0055 RST5155 distance=63' 20222-0054 UC 4160 distance=63' 20216-0048 HJ 914 distance=71' 20199+0254 TDT2175 distance=72' 20258+0058 SKF 927 distance=74' 20247+0302 J 1342 distance=75' 20197-0056 BAL 610 distance=77' 20257+0304 BAL2024 distance=81' 20281+0140 BAL1560 distance=81' 20200+0308 HJ 913 distance=84' 20215+0034 A 2280 distance=84' 20210+0036 UC 4154 distance=85' 20174+0129 A 2279 distance=86' 20275+0107 J 560 distance=87' 20181+0105 KPP 721 distance=88' 20260-0041 A 728 distance=90' 20188+0305 UC 4144 distance=91' 20167+0158 UC 250 distance=91' 20269+0045 CVR 224 distance=94' 20186+0043 GRV 327 distance=96' 20221+0331 UC 4158 distance=96' 20291+0135 GWP2956AB distance=98' 20291+0135 GWP2957AC distance=98' 20258+0029 TDT2266 distance=98' 20293+0132 BAL1561 distance=101' 20168+0111 HDS2890 distance=102' 20214+0336 BAL2532AB distance=102' 20214+0336 BAL2532AC distance=102' 20227+0014 GAU 17 distance=102' 20283+0052 FSM 2 distance=105' 20179+0040 BAL1214 distance=106' 20278+0311 HJ 917 distance=107' 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 20228+0156 TDT2221 260 0.7
Show 20225+0155 HJ 2955 246 14.1 8
Show 20227+0119 BAL1555 140 16.6 37
Show 20202+2000 KPP 879 AB 332 7.4 39
Show 20253+0133 BAL1556 22 6.6 45
Show 20251+0225 LDS4841 246 44.6 45
Show 20251+0233 BAL2023 330 7.4 52
Show 20198+0132 TDT2172 230 0.4 52
Show 20204+0119 UC 4151 95 33.2 53
Show 20204+0118 J 555 274 2.5 54
Show 20263+0156 BAL1557 211 6.4 54
Show 20195+0133 SKF 925 87 39.9 55
Show 20267+0155 J 155 BC 164 3.3 59
Show 20212+0249 TOK 730 146 0.2 59
Show 20267+0155 J 155 AB 348 53.1 59
Show 20266+0143 BAL1558 9 18.3 59
Show 20213+0250 HLD 158 41 1.2 59
Show 20246+0104 STF2677 AB 30 31.2 59
Show 20246+0104 STF2677 AC 13 16.2 59
Show 20236-0055 RST5155 191 1.1 63
Show 20222-0054 UC 4160 4 58.8 63
Show 20216-0048 HJ 914 164 18.7 71
Show 20199+0254 TDT2175 164 1.8 72
Show 20258+0058 SKF 927 230 65.9 74
Show 20247+0302 J 1342 333 2.4 75
Show 20197-0056 BAL 610 85 11.3 77
Show 20257+0304 BAL2024 70 16.1 81
Show 20281+0140 BAL1560 3 6.6 81
Show 20200+0308 HJ 913 144 9.6 84
Show 20215+0034 A 2280 31 0.3 84
Show 20210+0036 UC 4154 80 10.4 85
Show 20174+0129 A 2279 301 4.5 86
Show 20275+0107 J 560 188 4.2 87
Show 20181+0105 KPP 721 272 6.4 88
Show 20260-0041 A 728 348 0.3 90
Show 20188+0305 UC 4144 347 30.8 91
Show 20167+0158 UC 250 251 25.2 91
Show 20269+0045 CVR 224 217 35.6 94
Show 20186+0043 GRV 327 143 43.8 96
Show 20221+0331 UC 4158 218 20.6 96
Show 20291+0135 GWP2956 AB 250 16.5 98
Show 20291+0135 GWP2957 AC 258 172.4 98
Show 20258+0029 TDT2266 270 1.7 98
Show 20293+0132 BAL1561 8 15.8 101
Show 20168+0111 HDS2890 313 0.1 102
Show 20214+0336 BAL2532 AB 271 5.3 102
Show 20214+0336 BAL2532 AC 22 7.3 102
Show 20227+0014 GAU 17 95 7.1 102
Show 20283+0052 FSM 2 118 0.0 105
Show 20179+0040 BAL1214 100 3.4 106
Show 20278+0311 HJ 917 37 12.8 107

 
 
WDS 20228+0156 : COMPONENTS
 
 
  A
B pa=260.0°
sep=0.70"
 
 
20228+0156 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 202247.33+015605.7 Mag 11.03 Spectral class M2 (red)
PmRA 2.00 PmDE 0.0 Tycho2 0501-00205-1
Tycho2
Tycho2 0501-00205-1 Pflag RAmdeg 305.69714149 DEmdeg 1.93491020
PmRA 2.2 PmDE 0.0 E RAmdeg 38 E DEmdeg 44
E pmRA 1.7 E pmDE 1.7 EpRAm 1984.95 EpDEm 1981.97
Num 3 Q RAmdeg 1.3 Q DEmdeg 0.5 Q pmRA 1.3
Q pmDE 0.5 BTmag 12.446 E BTmag 0.188 VTmag 10.608
E VTmag 0.049 Prox 999 TYC T HIP
CCDM RAdeg 305.69713611 DEdeg 1.93491000 EpRA 1990 1.56
EpDE 1990 1.31 E RAdeg 40.0 E DEdeg 46.8 Posflg
Corr -0.3
 
 
20228+0156 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 202247.28+015605.6 Mag 11.35 PmRA 2.00
PmDE 0.0 Calc delta mag 0.32 Calc coord yes