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Doubles in session


Current system
21173-5758
NSN 447


Nearby doubles
42' : 21143-5831
B 519

48' : 21120-5737
HU 1627

53' : 21190-5849
HU 1628

66' : 21249-5732
GAO 3

82' : 21144-5916
TDT2848

87' : 21254-5856
B 527

89' : 21120-5916
B 518

89' : 21067-5735
TOI2201

93' : 21058-5744
HU 1625

95' : 21238-5918
RST5163

96' : 21078-5702
HJ 5243AB

99' : 21073-5702
HDS3009

106' : 21143-5615
HU 1534

107' : 21293-5849
TDT2990

109' : 21188-5946
KPP3072

117' : 21278-5922
TOK 731

121' : 21224-5952
RST5160

128' : 21149-5552
WSP 46AB

129' : 21146-5552
HU 1535

131' : 21126-6003
I 258

132' : 21231-6002
TDT2935

134' : 21006-5804
TSN 37

136' : 21190-6013
R 328

138' : 21226-5547
HU 1536

142' : 21200-6018
HJ 5256AB

143' : 21046-5621
RST1081



Selections
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Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

21173-5758 NSN 447

 
 
21h 17m 19.38s -57° 57' 59.4" P.A. 123.00 sep 6.9 mag 15.44,15.95
 
 
Coord 2000 21173-5758 Discov num NSN 447 Comp Coord arcsec 2000 21 17 19.38 -57 57 59.4
Date first 1998 Date last 2016 Obs 5
Pa first 123 Pa last 123.1 P.A. Now (θ) 123.1°
Sep first 6.8 Sep last 6.927 Sep. Now (ρ) 6.927"
Mag pri 15.44 Mag sec 15.95 delta mag (ΔM) 0.51 Spectral class
Pri motion ra -049 Sec motion ra -050
Pri motion dec -300 Sec motion dec -300
Notes T (Parallax indicates physical)
rPM=0.003 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Indus
 
 
WDS 21173-5758 NSN 447 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Nsn2013 M+ w Nanson, J., McGaughey, S. & Armstrong, J.D. 2013JDSO....9..267N
Nsn2013 +C JDSO 9, 267, 2013
Nsn2014 C u Nanson, J. & Smith, S.C. 2014JDSO...10..139N
Nsn2014 JDSO 10, 139, 2014
Nsn2015 C - Nanson, J., Smith, S.C. & Thuemen, C. 2015JDSO...11...12N
Nsn2015 JDSO 11, 12, 2015
Nsn2016 not - Nanson, J. ...................
Nsn2016 private communication, 2016
Nsn2016b C j Nanson, J. & Knapp, W.R.A. 2016JDSO...12..450N
Nsn2016b JDSO 12, 450, 2016
Nsn2016c not - Nanson, J. 2016JDSO...12..573N
Nsn2016c JDSO 12, 573, 2016
Nsn2017a not - Nanson, J. ...................
Nsn2017a private communication, 2017
Nsn2017b not - Nanson, J. ...................
Nsn2017b private communication, 2017
Nsn2017c C j Nanson, J. & Knapp, W.R.A. 2017JDSO...13..299N
Nsn2017c +E+ JDSO 13, 299, 2017
Nsn2017c +Hg
Nsn2017d not - Nanson, J. ...................
Nsn2017d private communication, 2017
Nsn2017e not - Nanson, J. & Knapp, W. ...................
Nsn2017e private communication, 2017
Nsn2018a Hg j Nanson, J. ...................
Nsn2018a private communication, 2018 (15 February 2018 email)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21173-5758 NSN 447 2015 4 123 6.9 15.44 15.95 T 211719.38-575759.4
21173-5758 NSN 447 2016 5 123 6.9 15.44 15.95 T 211719.38-575759.4

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

 
 
WDS 21173-5758 NSN 447 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21173-5758 NSN 447 : MEASURES
 
 
No records found.

 
 
WDS 21173-5758 : VIRTUAL EYEPIECE
 
 

21173-5758 NSN 447A mag 15.44 21173-5758 NSN 447B sep 4.9 P.A. 140.90 mag 15.95 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 21173-5758 : ALADIN DSS IMAGE @ 21h 17m 19.38s -57° 57' 59.4"
 
 
 
 
WDS 21173-5758 NSN 447 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21173-5758 NSN 447 distance=0' 21143-5831 B 519 distance=42' 21120-5737 HU 1627 distance=48' 21190-5849 HU 1628 distance=53' 21249-5732 GAO 3 distance=66' 21144-5916 TDT2848 distance=82' 21254-5856 B 527 distance=87' 21120-5916 B 518 distance=89' 21067-5735 TOI2201 distance=89' 21058-5744 HU 1625 distance=93' 21238-5918 RST5163 distance=95' 21078-5702 HJ 5243AB distance=96' 21078-5702 CRU9014AC distance=96' 21073-5702 HDS3009 distance=99' 21143-5615 HU 1534 distance=106' 21293-5849 TDT2990 distance=107' 21188-5946 KPP3072 distance=109' 21278-5922 TOK 731 distance=117' 21224-5952 RST5160 distance=121' 21149-5552 WSP 46AB distance=128' 21149-5552 WSP 46AC distance=128' 21146-5552 HU 1535 distance=129' 21126-6003 I 258 distance=131' 21231-6002 TDT2935 distance=132' 21006-5804 TSN 37 distance=134' 21190-6013 R 328 distance=136' 21226-5547 HU 1536 distance=138' 21200-6018 HJ 5256AB distance=142' 21200-6018 BAU 66AC distance=142' 21200-6018 BAU 66AD distance=142' 21046-5621 RST1081 distance=143' 21302-5942 B 1391 distance=144' 21323-5936 HU 1631 distance=152' 21116-5533 UC 4398 distance=153' 21324-5626 UC 4489 distance=153' 21256-6019 TDT2954 distance=155' 21297-6016 R 332 distance=167' 21304-6012 HJ 5270 distance=169' 20574-5905 COO 241 distance=170' 20574-5905 TOK 701Ba,Bb distance=170' 21069-5529 HJ 5241 distance=172' 21299-6020 UC 4477 distance=172' 21362-5632 UC 4506AB distance=176' 21357-5942 TOK 732 distance=177' 21304-6028 HU 1630 distance=181' 21192-5455 BRT3188 distance=184' 21164-5451 HDS3026 distance=187' 21329-6026 UC 4493 distance=191' 21282-5510 R 331 distance=191' 21334-6024 TVB 320BC distance=192' 21042-5520 RST5552AB distance=192' 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 21173-5758 NSN 447 123 6.9
Show 21143-5831 B 519 29 0.6 42
Show 21120-5737 HU 1627 201 1.5 48
Show 21190-5849 HU 1628 245 1.0 53
Show 21249-5732 GAO 3 50 35.7 66
Show 21144-5916 TDT2848 118 2.2 82
Show 21254-5856 B 527 248 4.9 87
Show 21120-5916 B 518 141 0.3 89
Show 21067-5735 TOI2201 159 1.0 89
Show 21058-5744 HU 1625 288 0.1 93
Show 21238-5918 RST5163 181 1.5 95
Show 21078-5702 HJ 5243 AB 96 24.4 96
Show 21078-5702 CRU9014 AC 271 226.1 96
Show 21073-5702 HDS3009 203 0.3 99
Show 21143-5615 HU 1534 346 5.5 106
Show 21293-5849 TDT2990 359 0.6 107
Show 21188-5946 KPP3072 268 2.0 109
Show 21278-5922 TOK 731 238 0.0 117
Show 21224-5952 RST5160 263 5.7 121
Show 21149-5552 WSP 46 AB 66 9.3 128
Show 21149-5552 WSP 46 AC 292 17.5 128
Show 21146-5552 HU 1535 217 8.6 129
Show 21126-6003 I 258 154 0.6 131
Show 21231-6002 TDT2935 206 1.4 132
Show 21006-5804 TSN 37 300 16.4 134
Show 21190-6013 R 328 298 21.0 136
Show 21226-5547 HU 1536 172 5.2 138
Show 21200-6018 HJ 5256 AB 148 17.6 142
Show 21200-6018 BAU 66 AC 139 29.6 142
Show 21200-6018 BAU 66 AD 271 49.4 142
Show 21046-5621 RST1081 215 0.1 143
Show 21302-5942 B 1391 236 1.2 144
Show 21323-5936 HU 1631 195 1.0 152
Show 21116-5533 UC 4398 100 7.2 153
Show 21324-5626 UC 4489 24 17.7 153
Show 21256-6019 TDT2954 117 0.5 155
Show 21297-6016 R 332 332 13.4 167
Show 21304-6012 HJ 5270 46 27.7 169
Show 20574-5905 COO 241 260 3.7 170
Show 20574-5905 TOK 701 Ba,Bb 219 0.1 170
Show 21069-5529 HJ 5241 40 12.6 172
Show 21299-6020 UC 4477 320 16.7 172
Show 21362-5632 UC 4506 AB 69 60.9 176
Show 21357-5942 TOK 732 189 0.7 177
Show 21304-6028 HU 1630 232 2.7 181
Show 21192-5455 BRT3188 77 4.6 184
Show 21164-5451 HDS3026 223 0.4 187
Show 21329-6026 UC 4493 128 10.1 191
Show 21282-5510 R 331 106 29.0 191
Show 21334-6024 TVB 320 BC 348 9.6 192
Show 21042-5520 RST5552 AB 319 0.8 192

 
 
WDS 21173-5758 : COMPONENTS
 
 
  A
B pa=140.9°
sep=4.88"
 
 
21173-5758 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 211719.38-575759.4 Mag 15.44 PmRA -49.00
PmDE -300.0
 
 
21173-5758 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 211719.77-575803.2 Mag 15.95 PmRA -50.00
PmDE -300.0 Calc delta mag 0.51 Calc coord yes