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Current system
21055-3933
TDT 2734


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

21055-3933 TDT 2734

 
 
21h 05m 30.74s -39° 32' 39.2" P.A. 35.00 sep 0.4 mag 10.69,10.69
 
 
Coord 2000 21055-3933 Discov num TDT2734 Comp Coord arcsec 2000 21 05 30.74 -39 32 39.2
Date first 1991 Date last 1991 Obs 1
Pa first 35 Pa last 34.6 P.A. Now (θ) 34.6°
Sep first 0.4 Sep last 0.43 Sep. Now (ρ) 0.43"
Mag pri 10.69 Mag sec 10.69 delta mag (ΔM) 0 Spectral class
Pri motion ra +056 Sec motion ra +056
Pri motion dec -079 Sec motion dec -079
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Microscopium Tycho2 7969-00530-1 Gaia DR2 6774011084834870528
 
 
WDS 21055-3933 TDT 2734 : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21055-3933 TDT2734 1991 1 35 0.4 10.69 10.69 210530.74-393239.2

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

 
 
WDS 21055-3933 TDT 2734 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21055-3933 TDT 2734 : MEASURES
 
 
No records found.

 
 
WDS 21055-3933 : VIRTUAL EYEPIECE
 
 

21055-3933 TDT2734A mag 10.69 21055-3933 TDT2734B sep 0.4 P.A. 28.00 mag 10.69 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 21055-3933 : ALADIN DSS IMAGE @ 21h 05m 30.74s -39° 32' 39.2"
 
 
 
 
WDS 21055-3933 TDT 2734 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21055-3933 TDT2734 distance=0' 21071-3944 KPP2409 distance=22' 21088-3927 CRU9015 distance=39' 21065-4012 WG 265 distance=41' 21075-3842 WG 266 distance=56' 21029-3839 KPP4221CD distance=62' 21030-3838 UC 4365 distance=63' 21107-3959 HDS3018 distance=66' 21065-3826 KIR 23 distance=68' 21103-4014 CRU9017 distance=70' 21038-4041 RSS 37 distance=72' 20593-3902 WG 264 distance=79' 21091-4047 CPO 620AB distance=85' 21122-4016 CRU9018AB distance=89' 21122-4016 CRU9018AC distance=89' 21122-4016 CRU9018AD distance=89' 21122-4016 CRU9018AE distance=89' 21122-4016 CRU9018AF distance=89' 21090-4058 CRU9016AB distance=94' 21090-4058 CRU9016AC distance=94' 20576-3908 WG 263 distance=95' 20574-3913 TDT2658 distance=97' 21142-3936 WG 267 distance=100' 20593-3820 B 2894 distance=104' 21140-3858 TDT2844 distance=105' 20563-3916 TDT2646 distance=108' 21034-3748 TDT2717 distance=109' 20561-3953 SKF1098 distance=111' 21064-4123 SEE 437AB distance=111' 21064-4123 SEE 437AC distance=111' 21121-3811 HJ 5249 distance=113' 21007-4111 I 1049 distance=113' 21144-4025 UC 4416 distance=115' 21156-3927 B 521BC distance=117' 21156-3927 HJ 5254A,BC distance=117' 21104-4114 ARU 3 distance=118' 21143-3835 B 520AB distance=118' 21143-3835 HJ 5253AC distance=118' 21090-4126 UC 4390 distance=121' 21008-4123 B 513 distance=123' 20562-3828 TDT2645AB distance=127' 21009-4132 WIS 346 distance=131' 21163-3845 LDS 737 distance=135' 21097-3725 TDT2796 distance=137' 21121-4128 BVD 153 distance=138' 21162-4041 CBL 182 distance=141' 21178-3945 TDT2890Ba,Bb distance=142' 20579-3743 HJ 5236 distance=142' 20576-3745 B 2488 distance=142' 21176-3914 SEE 442 distance=143' 21178-3945 CRU9019AB distance=143' 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 21055-3933 TDT2734 35 0.4 0
Show 21071-3944 KPP2409 194 20.9 22
Show 21088-3927 CRU9015 88 23.6 39
Show 21065-4012 WG 265 64 10.0 41
Show 21075-3842 WG 266 299 3.4 56
Show 21029-3839 KPP4221 CD 265 4.5 62
Show 21030-3838 UC 4365 207 99.7 63
Show 21107-3959 HDS3018 189 0.8 66
Show 21065-3826 KIR 23 143 42.8 68
Show 21103-4014 CRU9017 303 25.0 70
Show 21038-4041 RSS 37 318 50.5 72
Show 20593-3902 WG 264 82 5.3 79
Show 21091-4047 CPO 620 AB 347 20.1 85
Show 21122-4016 CRU9018 AB 212 122.8 89
Show 21122-4016 CRU9018 AC 237 146.0 89
Show 21122-4016 CRU9018 AD 250 180.1 89
Show 21122-4016 CRU9018 AE 268 219.6 89
Show 21122-4016 CRU9018 AF 326 122.7 89
Show 21090-4058 CRU9016 AB 82 117.7 94
Show 21090-4058 CRU9016 AC 24 137.2 94
Show 20576-3908 WG 263 34 7.1 95
Show 20574-3913 TDT2658 30 0.5 97
Show 21142-3936 WG 267 318 10.0 100
Show 20593-3820 B 2894 311 11.4 104
Show 21140-3858 TDT2844 69 0.5 105
Show 20563-3916 TDT2646 242 1.6 108
Show 21034-3748 TDT2717 255 0.7 109
Show 20561-3953 SKF1098 225 6.9 111
Show 21064-4123 SEE 437 AB 54 43.8 111
Show 21064-4123 SEE 437 AC 88 127.8 111
Show 21121-3811 HJ 5249 327 23.1 113
Show 21007-4111 I 1049 346 1.3 113
Show 21144-4025 UC 4416 140 12.5 115
Show 21156-3927 B 521 BC 50 0.5 117
Show 21156-3927 HJ 5254 A,BC 191 57.8 117
Show 21104-4114 ARU 3 142 0.2 118
Show 21143-3835 B 520 AB 252 0.8 118
Show 21143-3835 HJ 5253 AC 183 10.4 118
Show 21090-4126 UC 4390 217 35.3 121
Show 21008-4123 B 513 29 3.8 123
Show 20562-3828 TDT2645 AB 241 0.7 127
Show 21009-4132 WIS 346 6 999.9 131
Show 21163-3845 LDS 737 157 7.2 135
Show 21097-3725 TDT2796 263 0.6 137
Show 21121-4128 BVD 153 132 44.1 138
Show 21162-4041 CBL 182 152 31.3 141
Show 21178-3945 TDT2890 Ba,Bb 252 0.5 142
Show 20579-3743 HJ 5236 308 5.9 142
Show 20576-3745 B 2488 226 2.4 142
Show 21176-3914 SEE 442 40 4.9 143
Show 21178-3945 CRU9019 AB 230 117.1 143

 
 
WDS 21055-3933 : COMPONENTS
 
 
  A
B pa=28.0°
sep=0.40"
 
 
21055-3933 A
 
 
Coord arcsec 2000 210530.74-393239.2 Mag 10.69 PmRA 56.00 PmDE -79.0
Tycho2 7969-00530-1
Tycho2
Tycho2 7969-00530-1 Pflag RAmdeg 316.37814248 DEmdeg -39.54417164
PmRA 55.5 PmDE -78.6 E RAmdeg 20 E DEmdeg 20
E pmRA 2.1 E pmDE 2.0 EpRAm 1990.85 EpDEm 1990.78
Num 3 Q RAmdeg 0.2 Q DEmdeg 1.8 Q pmRA 0.2
Q pmDE 1.8 BTmag 11.042 E BTmag 0.043 VTmag 10.020
E VTmag 0.026 Prox 999 TYC T HIP
CCDM RAdeg 316.37797972 DEdeg -39.54399444 EpRA 1990 1.86
EpDE 1990 1.88 E RAdeg 20.1 E DEdeg 20.2 Posflg
Corr -0.2
 
 
21055-3933 B
 
 
Coord arcsec 2000 210530.76-393238.8 Mag 10.69 PmRA 56.00 PmDE -79.0
Calc coord yes