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Current system
21028-4206
TDT 2712


Nearby doubles
26' : 21050-4203
CPO 619

26' : 21050-4214
UC 4372

32' : 21043-4233
DON 999

41' : 21009-4132
WIS 346

42' : 21015-4246
NSN 455

50' : 21008-4123
B 513

55' : 21022-4300
DUN 236

60' : 21064-4123
SEE 437AB

61' : 21007-4111
I 1049

68' : 20573-4136
UC 4343

76' : 20561-4213
UC 4335

76' : 21086-4245
SYU 12

80' : 20556-4204
BRT1116

81' : 21090-4126
UC 4390

86' : 21038-4041
RSS 37

89' : 20552-4139
UC 4327

97' : 21114-4215
TSN 97

98' : 21099-4304
UC 4395

98' : 21090-4058
CRU9016AB

101' : 21104-4114
ARU 3

103' : 20536-4153
BRT1115

106' : 20552-4104
UC 4326

107' : 21091-4047
CPO 620AB

111' : 20583-4345
I 1048

111' : 21125-4148
I 1436

112' : 21121-4128
BVD 153



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

21028-4206 TDT 2712

 
 
21h 02m 46.88s -42° 06' 28.7" P.A. 309.00 sep 0.7 mag 11.58,11.62
 
 
Coord 2000 21028-4206 Discov num TDT2712 Comp Coord arcsec 2000 21 02 46.88 -42 06 28.7
Date first 1991 Date last 1991 Obs 1
Pa first 309 Pa last 308.6 P.A. Now (θ) 308.6°
Sep first 0.7 Sep last 0.69 Sep. Now (ρ) 0.69"
Mag pri 11.58 Mag sec 11.62 delta mag (ΔM) 0.04 Spectral class
Pri motion ra +005 Sec motion ra +005
Pri motion dec -004 Sec motion dec -004
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Microscopium Tycho2 7973-00288-1 Gaia DR2 6581194094357936384
 
 
WDS 21028-4206 TDT 2712 : 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
21028-4206 TDT2712 1991 1 309 0.7 11.58 11.62 210246.88-420628.7

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

 
 
WDS 21028-4206 TDT 2712 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21028-4206 TDT 2712 : MEASURES
 
 
No records found.

 
 
WDS 21028-4206 : VIRTUAL EYEPIECE
 
 

21028-4206 TDT2712A mag 11.58 21028-4206 TDT2712B sep 0.6 P.A. 317.10 mag 11.62 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 21028-4206 : ALADIN DSS IMAGE @ 21h 02m 46.88s -42° 06' 28.7"
 
 
 
 
WDS 21028-4206 TDT 2712 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21028-4206 TDT2712 distance=0' 21050-4203 CPO 619 distance=26' 21050-4214 UC 4372 distance=26' 21043-4233 DON 999 distance=32' 21009-4132 WIS 346 distance=41' 21015-4246 NSN 455 distance=42' 21008-4123 B 513 distance=50' 21022-4300 DUN 236 distance=55' 21064-4123 SEE 437AB distance=60' 21064-4123 SEE 437AC distance=60' 21007-4111 I 1049 distance=61' 20573-4136 UC 4343 distance=68' 20561-4213 UC 4335 distance=76' 21086-4245 SYU 12 distance=76' 20556-4204 BRT1116 distance=80' 21090-4126 UC 4390 distance=81' 21038-4041 RSS 37 distance=86' 20552-4139 UC 4327 distance=89' 21114-4215 TSN 97 distance=97' 21099-4304 UC 4395 distance=98' 21090-4058 CRU9016AB distance=98' 21090-4058 CRU9016AC distance=98' 21104-4114 ARU 3 distance=101' 20536-4153 BRT1115 distance=103' 20552-4104 UC 4326 distance=106' 21091-4047 CPO 620AB distance=107' 20583-4345 I 1048 distance=111' 21125-4148 I 1436 distance=111' 21121-4128 BVD 153 distance=112' 21050-4357 UC 4373 distance=113' 21065-4012 WG 265 distance=123' 20578-4402 DON 995 distance=128' 21011-4426 HJ 5238 distance=140' 21103-4014 CRU9017 distance=142' 20517-4054 HJ 5228 distance=145' 21008-4429 TDT2693 distance=145' 21017-4431 TOK 800 distance=146' 21071-3944 KPP2409 distance=151' 21122-4016 CRU9018AB distance=154' 21122-4016 CRU9018AC distance=154' 21122-4016 CRU9018AD distance=154' 21122-4016 CRU9018AE distance=154' 21122-4016 CRU9018AF distance=154' 20561-3953 SKF1098 distance=154' 21107-3959 HDS3018 distance=157' 21050-4441 KPP3080 distance=157' 21055-3933 TDT2734 distance=157' 21146-4337 CPO 621 distance=158' 20555-4426 I 1430 distance=161' 21174-4157 NSN 466 distance=164' 20571-4439 LDS 729 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 21028-4206 TDT2712 309 0.7
Show 21050-4203 CPO 619 252 5.6 26
Show 21050-4214 UC 4372 12 13.9 26
Show 21043-4233 DON 999 263 4.6 32
Show 21009-4132 WIS 346 6 999.9 41
Show 21015-4246 NSN 455 189 2.5 42
Show 21008-4123 B 513 29 3.8 50
Show 21022-4300 DUN 236 73 57.4 55
Show 21064-4123 SEE 437 AB 54 43.8 60
Show 21064-4123 SEE 437 AC 88 127.8 60
Show 21007-4111 I 1049 346 1.3 61
Show 20573-4136 UC 4343 265 17.3 68
Show 20561-4213 UC 4335 196 30.8 76
Show 21086-4245 SYU 12 224 0.2 76
Show 20556-4204 BRT1116 138 4.5 80
Show 21090-4126 UC 4390 217 35.3 81
Show 21038-4041 RSS 37 318 50.5 86
Show 20552-4139 UC 4327 96 77.2 89
Show 21114-4215 TSN 97 227 56.4 97
Show 21099-4304 UC 4395 141 61.2 98
Show 21090-4058 CRU9016 AB 82 117.7 98
Show 21090-4058 CRU9016 AC 24 137.2 98
Show 21104-4114 ARU 3 142 0.2 101
Show 20536-4153 BRT1115 339 3.5 103
Show 20552-4104 UC 4326 242 36.5 106
Show 21091-4047 CPO 620 AB 347 20.1 107
Show 20583-4345 I 1048 137 1.6 111
Show 21125-4148 I 1436 276 0.5 111
Show 21121-4128 BVD 153 132 44.1 112
Show 21050-4357 UC 4373 126 45.6 113
Show 21065-4012 WG 265 64 10.0 123
Show 20578-4402 DON 995 252 2.0 128
Show 21011-4426 HJ 5238 192 36.9 140
Show 21103-4014 CRU9017 303 25.0 142
Show 20517-4054 HJ 5228 104 32.5 145
Show 21008-4429 TDT2693 106 1.8 145
Show 21017-4431 TOK 800 210 0.5 146
Show 21071-3944 KPP2409 194 20.9 151
Show 21122-4016 CRU9018 AB 212 122.8 154
Show 21122-4016 CRU9018 AC 237 146.0 154
Show 21122-4016 CRU9018 AD 250 180.1 154
Show 21122-4016 CRU9018 AE 268 219.6 154
Show 21122-4016 CRU9018 AF 326 122.7 154
Show 20561-3953 SKF1098 225 6.9 154
Show 21107-3959 HDS3018 189 0.8 157
Show 21050-4441 KPP3080 169 8.6 157
Show 21055-3933 TDT2734 35 0.4 157
Show 21146-4337 CPO 621 23 3.6 158
Show 20555-4426 I 1430 29 1.4 161
Show 21174-4157 NSN 466 4 45.0 164
Show 20571-4439 LDS 729 106 220.3 165

 
 
WDS 21028-4206 : COMPONENTS
 
 
  A
B pa=317.1°
sep=0.59"
 
 
21028-4206 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 210246.88-420628.7 Mag 11.58 PmRA 5.00
PmDE -4.0 Tycho2 7973-00288-1
Tycho2
Tycho2 7973-00288-1 Pflag RAmdeg 315.69522488 DEmdeg -42.10792172
PmRA 5.1 PmDE -4.3 E RAmdeg 40 E DEmdeg 44
E pmRA 2.1 E pmDE 2.0 EpRAm 1987.67 EpDEm 1985.87
Num 3 Q RAmdeg 0.6 Q DEmdeg 2.1 Q pmRA 0.6
Q pmDE 2.1 BTmag 11.964 E BTmag 0.091 VTmag 10.967
E VTmag 0.060 Prox 999 TYC T HIP
CCDM RAdeg 315.69520917 DEdeg -42.10791194 EpRA 1990 1.81
EpDE 1990 1.79 E RAdeg 41.0 E DEdeg 46.2 Posflg
Corr -0.2
 
 
21028-4206 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 210246.84-420628.3 Mag 11.62 PmRA 5.00
PmDE -4.0 Calc delta mag 0.04 Calc coord yes