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Current system
20506-3545
TDT 2573


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

20506-3545 TDT 2573

 
 
20h 50m 37.93s -35° 45' 27.8" P.A. 74.00 sep 0.4 mag 10.47,10.61 Sp G5
 
 
Coord 2000 20506-3545 Discov num TDT2573 Comp Coord arcsec 2000 20 50 37.93 -35 45 27.8
Date first 1991 Date last 1991 Obs 1
Pa first 74 Pa last 73.5 P.A. Now (θ) 73.5°
Sep first 0.4 Sep last 0.41 Sep. Now (ρ) 0.41"
Mag pri 10.47 Mag sec 10.61 delta mag (ΔM) 0.14 Spectral class G5 (yellow)
Pri motion ra +001 Sec motion ra +001
Pri motion dec -015 Sec motion dec -015
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Microscopium Tycho2 7469-00689-1 Gaia DR2 6778842613805456128
 
 
WDS 20506-3545 TDT 2573 : 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
20506-3545 TDT2573 1991 1 74 0.4 10.47 10.61 205037.93-354527.8

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

 
 
WDS 20506-3545 TDT 2573 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20506-3545 TDT 2573 : MEASURES
 
 
No records found.

 
 
WDS 20506-3545 : VIRTUAL EYEPIECE
 
 

20506-3545 TDT2573A mag 10.47 Sp G5 20506-3545 TDT2573B sep 0.3 P.A. 69.90 mag 10.61 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 20506-3545 : ALADIN DSS IMAGE @ 20h 50m 37.93s -35° 45' 27.8"
 
 
 
 
WDS 20506-3545 TDT 2573 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20506-3545 TDT2573 distance=0' 20501-3534 HDS2969 distance=14' 20518-3523 KPP1661 distance=27' 20516-3618 B 998 distance=35' 20521-3517 RST3270 distance=35' 20480-3523 B 2892 distance=39' 20532-3521 BRT1814 distance=40' 20525-3451 NSN 490 distance=60' 20506-3645 B 2893 distance=60' 20478-3636 LWR 17 distance=62' 20518-3434 B 504 distance=74' 20452-3510 SEE 428 distance=76' 20521-3428 B 999 distance=80' 20442-3607 UC 4273 distance=82' 20571-3526 B 510 distance=82' 20539-3658 B 507 distance=83' 20458-3443 HJ 5219 distance=86' 20436-3532 HJ 5215 distance=88' 20437-3509 KPP 941 distance=93' 20502-3719 BRT1813 distance=94' 20583-3548 WSP 133AB distance=94' 20583-3548 WSP 133AC distance=94' 20583-3548 WSP 133AD distance=94' 20583-3548 WSP 133AE distance=94' 20448-3653 UC 4278 distance=98' 20542-3714 BRT1815 distance=99' 20575-3435 BRT1816 distance=111' 20551-3408 HJ 5234 distance=112' 20521-3353 SEE 430 distance=114' 20500-3347 HJ 5224 distance=119' 20598-3452 TDT2682 distance=124' 20582-3711 WIS 345 distance=126' 21007-3518 BU 765 distance=126' 20457-3736 HJ 5216 distance=127' 20570-3406 RST3272 distance=127' 21012-3511 TOK 344AB distance=134' 21012-3511 TOK 344Aa,Ab distance=134' 20467-3336 HDS2960AB distance=139' 20467-3336 SKF2090AC distance=139' 20595-3718 JSP 820 distance=142' 20584-3735 SKF1251 distance=144' 20570-3748 NSN 489 distance=145' 20588-3402 RST3274 distance=145' 20565-3340 B 1002 distance=146' 20521-3810 SEE 429 distance=146' 20576-3745 B 2488 distance=147' 20579-3743 HJ 5236 distance=147' 20501-3315 UC 4305 distance=151' 21002-3408 KPP4219 distance=153' 20390-3445 BRT1811 distance=155' 20579-3339 RED 26 distance=156' 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 20506-3545 TDT2573 74 0.4
Show 20501-3534 HDS2969 174 0.1 14
Show 20518-3523 KPP1661 42 12.8 27
Show 20516-3618 B 998 288 0.5 35
Show 20521-3517 RST3270 338 2.5 35
Show 20480-3523 B 2892 104 8.1 39
Show 20532-3521 BRT1814 258 4.0 40
Show 20525-3451 NSN 490 73 2.0 60
Show 20506-3645 B 2893 297 9.7 60
Show 20478-3636 LWR 17 20 9.0 62
Show 20518-3434 B 504 38 2.3 74
Show 20452-3510 SEE 428 188 4.4 76
Show 20521-3428 B 999 328 1.3 80
Show 20442-3607 UC 4273 22 17.6 82
Show 20571-3526 B 510 327 3.4 82
Show 20539-3658 B 507 215 0.5 83
Show 20458-3443 HJ 5219 323 8.5 86
Show 20436-3532 HJ 5215 183 22.8 88
Show 20437-3509 KPP 941 156 7.7 93
Show 20502-3719 BRT1813 296 5.4 94
Show 20583-3548 WSP 133 AB 212 2.4 94
Show 20583-3548 WSP 133 AC 158 16.3 94
Show 20583-3548 WSP 133 AD 339 16.4 94
Show 20583-3548 WSP 133 AE 354 16.6 94
Show 20448-3653 UC 4278 250 22.0 98
Show 20542-3714 BRT1815 207 4.2 99
Show 20575-3435 BRT1816 180 3.7 111
Show 20551-3408 HJ 5234 90 15.1 112
Show 20521-3353 SEE 430 345 14.5 114
Show 20500-3347 HJ 5224 165 20.2 119
Show 20598-3452 TDT2682 151 2.2 124
Show 20582-3711 WIS 345 7 35.3 126
Show 21007-3518 BU 765 72 0.8 126
Show 20457-3736 HJ 5216 22 15.6 127
Show 20570-3406 RST3272 23 2.2 127
Show 21012-3511 TOK 344 AB 61 186.0 134
Show 21012-3511 TOK 344 Aa,Ab 351 0.1 134
Show 20467-3336 HDS2960 AB 158 0.2 139
Show 20467-3336 SKF2090 AC 190 88.1 139
Show 20595-3718 JSP 820 247 1.4 142
Show 20584-3735 SKF1251 217 148.1 144
Show 20570-3748 NSN 489 348 2.7 145
Show 20588-3402 RST3274 358 1.8 145
Show 20565-3340 B 1002 324 0.6 146
Show 20521-3810 SEE 429 179 3.4 146
Show 20576-3745 B 2488 226 2.4 147
Show 20579-3743 HJ 5236 308 5.9 147
Show 20501-3315 UC 4305 302 143.4 151
Show 21002-3408 KPP4219 358 2.1 153
Show 20390-3445 BRT1811 277 2.4 155
Show 20579-3339 RED 26 186 18.9 156

 
 
WDS 20506-3545 : COMPONENTS
 
 
  A
B pa=69.9°
sep=0.34"
 
 
20506-3545 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 205037.93-354527.8 Mag 10.47 Spectral class G5 (yellow)
PmRA 1.00 PmDE -15.0 Tycho2 7469-00689-1
Tycho2
Tycho2 7469-00689-1 Pflag RAmdeg 312.65810109 DEmdeg -35.75772432
PmRA 0.6 PmDE -14.8 E RAmdeg 17 E DEmdeg 23
E pmRA 1.4 E pmDE 1.5 EpRAm 1986.75 EpDEm 1983.81
Num 9 Q RAmdeg 1.0 Q DEmdeg 1.3 Q pmRA 1.0
Q pmDE 1.3 BTmag 10.767 E BTmag 0.045 VTmag 9.876
E VTmag 0.033 Prox 999 TYC T HIP
CCDM RAdeg 312.65809778 DEdeg -35.75768667 EpRA 1990 1.70
EpDE 1990 1.37 E RAdeg 19.0 E DEdeg 27.0 Posflg
Corr 0.0
 
 
20506-3545 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 205037.96-354527.7 Mag 10.61 PmRA 1.00
PmDE -15.0 Calc delta mag 0.14 Calc coord yes