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Doubles in session


Current system
20506-3645
B 2893


Nearby doubles
30' : 20516-3618
B 998

34' : 20502-3719
BRT1813

37' : 20478-3636
LWR 17

42' : 20539-3658
B 507

51' : 20542-3714
BRT1815

60' : 20506-3545
TDT2573

71' : 20448-3653
UC 4278

72' : 20501-3534
HDS2969

79' : 20457-3736
HJ 5216

84' : 20518-3523
KPP1661

87' : 20521-3810
SEE 429

87' : 20442-3607
UC 4273

88' : 20480-3523
B 2892

89' : 20532-3521
BRT1814

91' : 20521-3517
RST3270

95' : 20582-3711
WIS 345

99' : 20570-3748
NSN 489

103' : 20576-3745
B 2488

104' : 20579-3743
HJ 5236

106' : 20584-3735
SKF1251

109' : 20583-3548
WSP 133AB

112' : 20595-3718
JSP 820

112' : 20571-3526
B 510

113' : 20436-3532
HJ 5215

114' : 20503-3839
B 503

115' : 20530-3836
TOI 154



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

20506-3645 B 2893

 
 
20h 50m 38.57s -36° 45' 07.3" P.A. 297.00 sep 9.7 mag 9.85,11.90
 
 
Coord 2000 20506-3645 Discov num B  2893 Comp Coord arcsec 2000 20 50 38.57 -36 45 07.3
Date first 1913 Date last 2015 Obs 7
Pa first 336 Pa last 297.2 P.A. Now (θ) 297.2°
Sep first 12.2 Sep last 9.724 Sep. Now (ρ) 9.724"
Mag pri 9.85 Mag sec 11.90 delta mag (ΔM) 2.05 Spectral class
Pri motion ra +067 Sec motion ra
Pri motion dec -008 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Microscopium Tycho2 7469-01394-1 Gaia DR2 6778187545393661824
 
 
WDS 20506-3645 B 2893 : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
idgroup discov author
1 B van den Bos, W.H.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20506-3645 B 2893 1949 3 326 10.5 9.85 11.90 205038.57-364507.3
20506-3645 B 2893 1998 4 305 9.7 9.85 11.90 205038.57-364507.3
20506-3645 B 2893 2014 6 296 9.5 9.85 11.90 205038.57-364507.3
20506-3645 B 2893 2015 7 297 9.7 9.85 11.90 205038.57-364507.3

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

 
 
WDS 20506-3645 B 2893 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20506-3645 B 2893 : MEASURES
 
 
No records found.

 
 
WDS 20506-3645 : VIRTUAL EYEPIECE
 
 

20506-3645 B 2893A mag 9.85 20506-3645 B 2893B sep 8.2 P.A. 302.70 mag 11.9 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 20506-3645 : ALADIN DSS IMAGE @ 20h 50m 38.57s -36° 45' 07.3"
 
 
 
 
WDS 20506-3645 B 2893 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20506-3645 B 2893 distance=0' 20516-3618 B 998 distance=30' 20502-3719 BRT1813 distance=34' 20478-3636 LWR 17 distance=37' 20539-3658 B 507 distance=42' 20542-3714 BRT1815 distance=51' 20506-3545 TDT2573 distance=60' 20448-3653 UC 4278 distance=71' 20501-3534 HDS2969 distance=72' 20457-3736 HJ 5216 distance=79' 20518-3523 KPP1661 distance=84' 20521-3810 SEE 429 distance=87' 20442-3607 UC 4273 distance=87' 20480-3523 B 2892 distance=88' 20532-3521 BRT1814 distance=89' 20521-3517 RST3270 distance=91' 20582-3711 WIS 345 distance=95' 20570-3748 NSN 489 distance=99' 20576-3745 B 2488 distance=103' 20579-3743 HJ 5236 distance=104' 20584-3735 SKF1251 distance=106' 20583-3548 WSP 133AB distance=109' 20583-3548 WSP 133AC distance=109' 20583-3548 WSP 133AD distance=109' 20583-3548 WSP 133AE distance=109' 20595-3718 JSP 820 distance=112' 20571-3526 B 510 distance=112' 20436-3532 HJ 5215 distance=113' 20503-3839 B 503 distance=114' 20530-3836 TOI 154 distance=115' 20452-3510 SEE 428 distance=116' 20525-3451 NSN 490 distance=117' 20562-3828 TDT2645AB distance=122' 20437-3509 KPP 941 distance=128' 20518-3434 B 504 distance=133' 20458-3443 HJ 5219 distance=135' 20521-3428 B 999 distance=139' 20593-3820 B 2894 distance=140' 21007-3518 BU 765 distance=150' 20381-3627 KPP3107 distance=153' 20575-3435 BRT1816 distance=156' 20497-3921 B 502 distance=157' 20598-3452 TDT2682 distance=159' 21012-3511 TOK 344AB distance=160' 21012-3511 TOK 344Aa,Ab distance=160' 20435-3905 TDT2501 distance=164' 20419-3853 TOI2247 distance=165' 21034-3748 TDT2717 distance=165' 20576-3908 WG 263 distance=166' 20563-3916 TDT2646 distance=166' 20551-3408 HJ 5234 distance=167' 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 20506-3645 B 2893 297 9.7 0
Show 20516-3618 B 998 288 0.5 30
Show 20502-3719 BRT1813 296 5.4 34
Show 20478-3636 LWR 17 20 9.0 37
Show 20539-3658 B 507 215 0.5 42
Show 20542-3714 BRT1815 207 4.2 51
Show 20506-3545 TDT2573 74 0.4 60
Show 20448-3653 UC 4278 250 22.0 71
Show 20501-3534 HDS2969 174 0.1 72
Show 20457-3736 HJ 5216 22 15.6 79
Show 20518-3523 KPP1661 42 12.8 84
Show 20521-3810 SEE 429 179 3.4 87
Show 20442-3607 UC 4273 22 17.6 87
Show 20480-3523 B 2892 104 8.1 88
Show 20532-3521 BRT1814 258 4.0 89
Show 20521-3517 RST3270 338 2.5 91
Show 20582-3711 WIS 345 7 35.3 95
Show 20570-3748 NSN 489 348 2.7 99
Show 20576-3745 B 2488 226 2.4 103
Show 20579-3743 HJ 5236 308 5.9 104
Show 20584-3735 SKF1251 217 148.1 106
Show 20583-3548 WSP 133 AB 212 2.4 109
Show 20583-3548 WSP 133 AC 158 16.3 109
Show 20583-3548 WSP 133 AD 339 16.4 109
Show 20583-3548 WSP 133 AE 354 16.6 109
Show 20595-3718 JSP 820 247 1.4 112
Show 20571-3526 B 510 327 3.4 112
Show 20436-3532 HJ 5215 183 22.8 113
Show 20503-3839 B 503 116 2.5 114
Show 20530-3836 TOI 154 203 0.2 115
Show 20452-3510 SEE 428 188 4.4 116
Show 20525-3451 NSN 490 73 2.0 117
Show 20562-3828 TDT2645 AB 241 0.7 122
Show 20437-3509 KPP 941 156 7.7 128
Show 20518-3434 B 504 38 2.3 133
Show 20458-3443 HJ 5219 323 8.5 135
Show 20521-3428 B 999 328 1.3 139
Show 20593-3820 B 2894 311 11.4 140
Show 21007-3518 BU 765 72 0.8 150
Show 20381-3627 KPP3107 325 6.6 153
Show 20575-3435 BRT1816 180 3.7 156
Show 20497-3921 B 502 113 1.3 157
Show 20598-3452 TDT2682 151 2.2 159
Show 21012-3511 TOK 344 AB 61 186.0 160
Show 21012-3511 TOK 344 Aa,Ab 351 0.1 160
Show 20435-3905 TDT2501 52 0.5 164
Show 20419-3853 TOI2247 347 0.3 165
Show 21034-3748 TDT2717 255 0.7 165
Show 20576-3908 WG 263 34 7.1 166
Show 20563-3916 TDT2646 242 1.6 166
Show 20551-3408 HJ 5234 90 15.1 167

 
 
WDS 20506-3645 : COMPONENTS
 
 
  A
B pa=302.7°
sep=8.23"
 
 
20506-3645 A
 
 
Coord arcsec 2000 205038.57-364507.3 Mag 9.85 PmRA 67.00 PmDE -8.0
Tycho2 7469-01394-1 DM CD-3713955
Tycho2
Tycho2 7469-01394-1 Pflag RAmdeg 312.66073900 DEmdeg -36.75202839
PmRA 62.7 PmDE -11.0 E RAmdeg 16 E DEmdeg 15
E pmRA 1.5 E pmDE 1.5 EpRAm 1987.96 EpDEm 1988.22
Num 6 Q RAmdeg 0.8 Q DEmdeg 1.2 Q pmRA 0.8
Q pmDE 1.1 BTmag 10.470 E BTmag 0.030 VTmag 9.854
E VTmag 0.025 Prox 999 TYC T HIP
CCDM RAdeg 312.66055944 DEdeg -36.75200250 EpRA 1990 1.74
EpDE 1990 1.64 E RAdeg 16.6 E DEdeg 16.2 Posflg
Corr -0.3
 
 
20506-3645 B
 
 
Coord arcsec 2000 205037.99-364502.9 Mag 11.9 Calc delta mag 2.05 Calc coord yes