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Doubles in session


Current system
13581-1621
NSN 421


Nearby doubles
9' : 13579-1629
GWP2155

26' : 13565-1612
OCC 895

39' : 13558-1602
UC 2637

51' : 14014-1636
ARA 74

57' : 13577-1717
WHC 12AB

60' : 14009-1536
GWP2176AB

61' : 13542-1601
GWP2128

62' : 13549-1541
GWP2136

67' : 13551-1531
GWP2139

70' : 14009-1718
KPP 545

72' : 14015-1528
GWP2182

73' : 13542-1535
UC 2631

74' : 13544-1711
OCC 856

80' : 14018-1720
KPP1273

80' : 13526-1610
SKI 12AB

82' : 13560-1505
TDS9036

93' : 13542-1508
SKI 7

98' : 13515-1641
GWP2105AB

100' : 14012-1452
OCC 144

103' : 13565-1759
LDS4420

105' : 14031-1736
BGH 49

106' : 14022-1454
GWP2185

107' : 14019-1754
HDS1971

110' : 13549-1442
HJ 2691

111' : 14046-1720
UC 2675

116' : 13562-1429
GWP2148



Selections
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Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

13581-1621 NSN 421

 
 
13h 58m 06.97s -16° 21' 03.3" P.A. 204.00 sep 0.7 mag 17.01,19.15
 
 
Coord 2000 13581-1621 Discov num NSN 421 Comp Coord arcsec 2000 13 58 06.97 -16 21 03.3
Date first 2015 Date last 2015 Obs 1
Pa first 204 Pa last 203.5 P.A. Now (θ) 203.5°
Sep first 0.7 Sep last 0.667 Sep. Now (ρ) 0.667"
Mag pri 17.01 Mag sec 19.15 delta mag (ΔM) 2.14 Spectral class
Pri motion ra -171 Sec motion ra -175
Pri motion dec -122 Sec motion dec -122
Notes T (Parallax indicates physical)
rPM=0.019 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Virgo
 
 
WDS 13581-1621 NSN 421 : 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
13581-1621 NSN 421 2015 1 204 0.7 17.01 19.15 T 135806.97-162103.3

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

 
 
WDS 13581-1621 NSN 421 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 13581-1621 NSN 421 : MEASURES
 
 
No records found.

 
 
WDS 13581-1621 : VIRTUAL EYEPIECE
 
 

13581-1621 NSN 421A mag 17.01 13581-1621 NSN 421B sep 0.7 P.A. 202.60 mag 19.15 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 13581-1621 : ALADIN DSS IMAGE @ 13h 58m 06.97s -16° 21' 03.3"
 
 
 
 
WDS 13581-1621 NSN 421 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

13581-1621 NSN 421 distance=1' 13579-1629 GWP2155 distance=9' 13565-1612 OCC 895 distance=26' 13558-1602 UC 2637 distance=39' 14014-1636 ARA 74 distance=51' 13577-1717 WHC 12AB distance=57' 13577-1717 HJ 2692AC distance=57' 14009-1536 GWP2176AB distance=60' 14009-1536 GWP2177AC distance=60' 13542-1601 GWP2128 distance=61' 13549-1541 GWP2136 distance=62' 13551-1531 GWP2139 distance=67' 14009-1718 KPP 545 distance=70' 14015-1528 GWP2182 distance=72' 13542-1535 UC 2631 distance=73' 13544-1711 OCC 856 distance=74' 14018-1720 KPP1273 distance=80' 13526-1610 SKI 12AB distance=80' 13526-1610 SKI 15AC distance=80' 13560-1505 TDS9036 distance=82' 13542-1508 SKI 7 distance=93' 13515-1641 GWP2105AB distance=98' 13515-1641 GWP2106AC distance=98' 14012-1452 OCC 144 distance=100' 13565-1759 LDS4420 distance=103' 14031-1736 BGH 49 distance=105' 14022-1454 GWP2185 distance=106' 14019-1754 HDS1971 distance=107' 13549-1442 HJ 2691 distance=110' 14046-1720 UC 2675 distance=111' 13562-1429 GWP2148 distance=116' 14040-1502 GWP2201 distance=116' 13539-1440 RST3852 distance=119' 14023-1813 GWP2187 distance=127' 13499-1523 BRT 582 distance=132' 13579-1409 UC 2647 distance=133' 14070-1543 UC 2682 distance=133' 14069-1711 HJ 1245AB distance=135' 13488-1648 HJ 2684 distance=136' 13488-1645 HJ 2683 distance=136' 14075-1656 LDS4434 distance=138' 14077-1632 GWP2231 distance=138' 13509-1756 ARA 230 distance=140' 14074-1539 UC 2684 distance=141' 14014-1409 HJ 2696 distance=141' 13581-1843 LDS 466 distance=142' 14080-1602 CVR 149 distance=145' 13500-1455 GWP2098 distance=146' 14036-1826 HJ 2698 distance=148' 13518-1819 GWP2108 distance=149' 14056-1804 S 659AB distance=150' 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 13581-1621 NSN 421 204 0.7 1
Show 13579-1629 GWP2155 297 198.2 9
Show 13565-1612 OCC 895 -1 0.1 26
Show 13558-1602 UC 2637 136 28.4 39
Show 14014-1636 ARA 74 13 12.8 51
Show 13577-1717 WHC 12 AB 320 3.1 57
Show 13577-1717 HJ 2692 AC 227 29.9 57
Show 14009-1536 GWP2176 AB 293 117.8 60
Show 14009-1536 GWP2177 AC 47 474.8 60
Show 13542-1601 GWP2128 217 412.5 61
Show 13549-1541 GWP2136 155 44.9 62
Show 13551-1531 GWP2139 98 275.9 67
Show 14009-1718 KPP 545 329 5.1 70
Show 14015-1528 GWP2182 331 61.0 72
Show 13542-1535 UC 2631 234 21.1 73
Show 13544-1711 OCC 856 -1 0.1 74
Show 14018-1720 KPP1273 156 9.7 80
Show 13526-1610 SKI 12 AB 334 3.5 80
Show 13526-1610 SKI 15 AC 277 19.9 80
Show 13560-1505 TDS9036 89 0.8 82
Show 13542-1508 SKI 7 110 2.5 93
Show 13515-1641 GWP2105 AB 121 6.8 98
Show 13515-1641 GWP2106 AC 124 6.4 98
Show 14012-1452 OCC 144 -1 0.1 100
Show 13565-1759 LDS4420 157 26.5 103
Show 14031-1736 BGH 49 25 139.1 105
Show 14022-1454 GWP2185 273 12.7 106
Show 14019-1754 HDS1971 176 0.2 107
Show 13549-1442 HJ 2691 108 13.7 110
Show 14046-1720 UC 2675 351 20.6 111
Show 13562-1429 GWP2148 39 9.0 116
Show 14040-1502 GWP2201 332 47.0 116
Show 13539-1440 RST3852 334 0.2 119
Show 14023-1813 GWP2187 34 17.2 127
Show 13499-1523 BRT 582 134 3.7 132
Show 13579-1409 UC 2647 104 44.6 133
Show 14070-1543 UC 2682 170 8.9 133
Show 14069-1711 HJ 1245 AB 294 10.6 135
Show 13488-1648 HJ 2684 231 29.4 136
Show 13488-1645 HJ 2683 28 14.7 136
Show 14075-1656 LDS4434 330 24.5 138
Show 14077-1632 GWP2231 112 35.2 138
Show 13509-1756 ARA 230 82 8.2 140
Show 14074-1539 UC 2684 329 47.4 141
Show 14014-1409 HJ 2696 106 17.4 141
Show 13581-1843 LDS 466 207 14.6 142
Show 14080-1602 CVR 149 234 39.7 145
Show 13500-1455 GWP2098 294 13.3 146
Show 14036-1826 HJ 2698 292 22.5 148
Show 13518-1819 GWP2108 235 6.6 149
Show 14056-1804 S 659 AB 171 31.9 150

 
 
WDS 13581-1621 : COMPONENTS
 
 
  A
B pa=202.6°
sep=0.66"
 
 
13581-1621 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 135806.97-162103.3 Mag 17.01 PmRA -171.00
PmDE -122.0
 
 
13581-1621 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 135806.95-162103.9 Mag 19.15 PmRA -175.00
PmDE -122.0 Calc delta mag 2.14 Calc coord yes