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Current system
21121-0638
TDT 2821


Nearby doubles
18' : 21100-0642
GRV1141

35' : 21100-0658
GRV1140

38' : 21137-0610
TDS1121

50' : 21120-0549
STF2768

69' : 21077-0621
BRT 513

72' : 21168-0635
GWP3050

75' : 21136-0749
SLW1232

78' : 21079-0725
KPP2183

78' : 21151-0742
GRV1153

79' : 21119-0757
TDT2815

92' : 21077-0534
BUP 225

93' : 21167-0739
STF2781AB

96' : 21070-0529
GRV1139

99' : 21065-0546
RST4692

104' : 21066-0534
BRT 557

105' : 21092-0814
JNN 128

112' : 21190-0720
HDS3034

112' : 21065-0753
TDT2752

114' : 21115-0832
J 2340

115' : 21074-0810
HDS3010

117' : 21092-0450
KPP2590

118' : 21074-0814
BU 368AB

120' : 21054-0744
RST4691

124' : 21106-0837
HJ 930

126' : 21078-0826
RST4074

128' : 21095-0437
CVR 889



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

21121-0638 TDT 2821

 
 
21h 12m 03.84s -06° 38' 15.1" P.A. 220.00 sep 0.6 mag 11.18,11.63
 
 
Coord 2000 21121-0638 Discov num TDT2821 Comp Coord arcsec 2000 21 12 03.84 -06 38 15.1
Date first 1991 Date last 1991 Obs 1
Pa first 220 Pa last 220.1 P.A. Now (θ) 220.1°
Sep first 0.6 Sep last 0.57 Sep. Now (ρ) 0.57"
Mag pri 11.18 Mag sec 11.63 delta mag (ΔM) 0.45 Spectral class
Pri motion ra -050 Sec motion ra -050
Pri motion dec -076 Sec motion dec -076
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquarius Tycho2 5205-01301-1 Gaia DR2 6910827435550384640
 
 
WDS 21121-0638 TDT 2821 : 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
21121-0638 TDT2821 1991 1 220 0.6 11.18 11.63 211203.84-063815.1

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

 
 
WDS 21121-0638 TDT 2821 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21121-0638 TDT 2821 : MEASURES
 
 
No records found.

 
 
WDS 21121-0638 : VIRTUAL EYEPIECE
 
 

21121-0638 TDT2821A mag 11.18 21121-0638 TDT2821B sep 0.6 P.A. 219.90 mag 11.63 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 21121-0638 : ALADIN DSS IMAGE @ 21h 12m 03.84s -06° 38' 15.1"
 
 
 
 
WDS 21121-0638 TDT 2821 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21121-0638 TDT2821 distance=1' 21100-0642 GRV1141 distance=18' 21100-0658 GRV1140 distance=35' 21137-0610 TDS1121 distance=38' 21120-0549 STF2768 distance=50' 21077-0621 BRT 513 distance=69' 21168-0635 GWP3050 distance=72' 21136-0749 SLW1232 distance=75' 21079-0725 KPP2183 distance=78' 21151-0742 GRV1153 distance=78' 21119-0757 TDT2815 distance=79' 21077-0534 BUP 225 distance=92' 21167-0739 STF2781AB distance=93' 21070-0529 GRV1139 distance=96' 21065-0546 RST4692 distance=99' 21066-0534 BRT 557 distance=104' 21092-0814 JNN 128 distance=105' 21190-0720 HDS3034 distance=112' 21065-0753 TDT2752 distance=112' 21115-0832 J 2340 distance=114' 21074-0810 HDS3010 distance=115' 21092-0450 KPP2590 distance=117' 21074-0814 BU 368CD distance=118' 21074-0814 BU 368AB distance=118' 21074-0814 BU 368AC distance=118' 21074-0814 POP 227AB,E distance=118' 21054-0744 RST4691 distance=120' 21106-0837 HJ 930 distance=124' 21078-0826 RST4074 distance=126' 21095-0437 CVR 889 distance=128' 21041-0549 MCA 66Aa,Ab distance=129' 21041-0549 STF2745AB distance=129' 21103-0845 UC 4397 distance=130' 21188-0804 GWP3052 distance=132' 21032-0610 RST4689 distance=135' 21146-0849 TDT2851 distance=136' 21051-0510 A 177 distance=136' 21173-0832 BRT 558 distance=138' 21027-0629 UC 4364 distance=140' 21086-0427 BRT 514 distance=142' 21088-0426 HDS3013Aa,Ab distance=142' 21088-0426 VVO 18AB distance=142' 21088-0426 AMM 10AC distance=142' 21088-0426 AMM 10AD distance=142' 21088-0426 AMM 10AE distance=142' 21088-0426 AMM 10AF distance=142' 21088-0426 AMM 10AG distance=142' 21192-0501 KPP1599 distance=145' 21070-0435 BRT 512 distance=146' 21135-0905 BRT 515 distance=150' 21042-0811 TDT2725 distance=150' 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 21121-0638 TDT2821 220 0.6 1
Show 21100-0642 GRV1141 84 16.9 18
Show 21100-0658 GRV1140 287 37.0 35
Show 21137-0610 TDS1121 93 1.3 38
Show 21120-0549 STF2768 194 7.7 50
Show 21077-0621 BRT 513 258 6.6 69
Show 21168-0635 GWP3050 262 18.3 72
Show 21136-0749 SLW1232 187 60.4 75
Show 21079-0725 KPP2183 190 17.9 78
Show 21151-0742 GRV1153 181 17.0 78
Show 21119-0757 TDT2815 236 0.5 79
Show 21077-0534 BUP 225 264 58.3 92
Show 21167-0739 STF2781 AB 171 2.7 93
Show 21070-0529 GRV1139 121 39.7 96
Show 21065-0546 RST4692 282 1.8 99
Show 21066-0534 BRT 557 281 4.3 104
Show 21092-0814 JNN 128 121 0.9 105
Show 21190-0720 HDS3034 196 0.3 112
Show 21065-0753 TDT2752 79 0.5 112
Show 21115-0832 J 2340 323 6.7 114
Show 21074-0810 HDS3010 31 0.9 115
Show 21092-0450 KPP2590 193 23.4 117
Show 21074-0814 BU 368 CD 298 6.0 118
Show 21074-0814 BU 368 AB 312 0.0 118
Show 21074-0814 BU 368 AC 39 15.6 118
Show 21074-0814 POP 227 AB,E 117 51.3 118
Show 21054-0744 RST4691 71 0.5 120
Show 21106-0837 HJ 930 114 10.3 124
Show 21078-0826 RST4074 28 1.8 126
Show 21095-0437 CVR 889 308 20.2 128
Show 21041-0549 MCA 66 Aa,Ab 54 0.3 129
Show 21041-0549 STF2745 AB 198 2.4 129
Show 21103-0845 UC 4397 270 43.4 130
Show 21188-0804 GWP3052 20 35.3 132
Show 21032-0610 RST4689 84 0.8 135
Show 21146-0849 TDT2851 71 0.5 136
Show 21051-0510 A 177 337 1.2 136
Show 21173-0832 BRT 558 -1 -1.0 138
Show 21027-0629 UC 4364 165 27.0 140
Show 21086-0427 BRT 514 135 4.6 142
Show 21088-0426 HDS3013 Aa,Ab 326 0.2 142
Show 21088-0426 VVO 18 AB 332 20.9 142
Show 21088-0426 AMM 10 AC 262 4.4 142
Show 21088-0426 AMM 10 AD 264 4.9 142
Show 21088-0426 AMM 10 AE 2 12.9 142
Show 21088-0426 AMM 10 AF 330 20.2 142
Show 21088-0426 AMM 10 AG 311 21.9 142
Show 21192-0501 KPP1599 222 12.2 145
Show 21070-0435 BRT 512 63 5.2 146
Show 21135-0905 BRT 515 67 4.1 150
Show 21042-0811 TDT2725 74 0.4 150

 
 
WDS 21121-0638 : COMPONENTS
 
 
  A
B pa=219.9°
sep=0.57"
 
 
21121-0638 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 211203.84-063815.1 Mag 11.18 PmRA -50.00
PmDE -76.0 Tycho2 5205-01301-1
Tycho2
Tycho2 5205-01301-1 Pflag RAmdeg 318.01597588 DEmdeg -6.63755855
PmRA -50.2 PmDE -76.0 E RAmdeg 30 E DEmdeg 40
E pmRA 1.8 E pmDE 1.9 EpRAm 1988.31 EpDEm 1985.96
Num 5 Q RAmdeg 1.1 Q DEmdeg 0.6 Q pmRA 1.1
Q pmDE 0.6 BTmag 11.389 E BTmag 0.063 VTmag 10.710
E VTmag 0.055 Prox 999 TYC T HIP
CCDM RAdeg 318.01609139 DEdeg -6.63737861 EpRA 1990 1.65
EpDE 1990 1.45 E RAdeg 30.5 E DEdeg 41.9 Posflg
Corr -0.2
 
 
21121-0638 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 211203.82-063815.5 Mag 11.63 PmRA -50.00
PmDE -76.0 Calc delta mag 0.45 Calc coord yes