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Doubles in session


Current system
21573+2738
NSN 749


Nearby doubles
18' : 21567+2721
GRV 521

20' : 21580+2755
KPP3375

21' : 21585+2725
A 304AB

26' : 21559+2753
HJ 1704

28' : 21555+2724
A 303AB

35' : 21593+2800
MLB 578

39' : 21561+2701
J 854

51' : 21556+2823
MLB 577AB

55' : 22013+2751
ES 527

57' : 21553+2648
A 302

61' : 21536+2701
ES 523

62' : 21539+2821
WSI 8

63' : 21593+2641
COU1043

65' : 21547+2643
CVR 924

66' : 22012+2818
RAO 691

70' : 21521+2748
HO 171

71' : 21561+2846
COU 837AB

71' : 22012+2650
A 306

73' : 21564+2627
KPP3374

74' : 22032+2729
COU 434

77' : 21553+2850
COU 836

79' : 21575+2856
LEP 104

79' : 22020+2651
HO 610AB

80' : 21524+2823
NSN 67

81' : 22017+2646
J 1791

83' : 21587+2618
GRV 525



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.

21573+2738 NSN 749

 
 
21h 57m 17.88s +27° 37' 49.3" P.A. 84.00 sep 1.7 mag 14.32,14.40
 
 
Coord 2000 21573+2738 Discov num NSN 749 Comp Coord arcsec 2000 21 57 17.88 +27 37 49.3
Date first 2011 Date last 2016 Obs 4
Pa first 69 Pa last 83.9 P.A. Now (θ) 83.9°
Sep first 2.1 Sep last 1.688 Sep. Now (ρ) 1.688"
Mag pri 14.32 Mag sec 14.40 delta mag (ΔM) 0.08 Spectral class
Pri motion ra +238 Sec motion ra +237
Pri motion dec +133 Sec motion dec +137
Notes T (Parallax indicates physical)
rPM=0.015 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Pegasus
 
 
WDS 21573+2738 NSN 749 : 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
21573+2738 NSN 749 2015 2 85 1.7 14.32 14.40 T 215717.88+273749.3
21573+2738 NSN 749 2016 3 84 1.7 14.32 14.40 T 215717.88+273749.3

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

 
 
WDS 21573+2738 NSN 749 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21573+2738 NSN 749 : MEASURES
 
 
No records found.

 
 
WDS 21573+2738 : VIRTUAL EYEPIECE
 
 

21573+2738 NSN 749A mag 14.32 21573+2738 NSN 749B sep 1.5 P.A. 83.10 mag 14.4 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 21573+2738 : ALADIN DSS IMAGE @ 21h 57m 17.88s +27° 37' 49.3"
 
 
 
 
WDS 21573+2738 NSN 749 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21573+2738 NSN 749 distance=0' 21567+2721 GRV 521 distance=18' 21580+2755 KPP3375 distance=20' 21585+2725 A 304AB distance=21' 21585+2725 A 304AB,C distance=21' 21559+2753 HJ 1704 distance=26' 21555+2724 A 303AB distance=28' 21555+2724 STJ 1AC distance=28' 21593+2800 MLB 578 distance=35' 21561+2701 J 854 distance=39' 21556+2823 MLB 577AB distance=51' 21556+2823 MLB 577BC distance=52' 22013+2751 ES 527 distance=55' 21553+2648 A 302 distance=57' 21536+2701 ES 523 distance=61' 21539+2821 WSI 8 distance=62' 21593+2641 COU1043 distance=63' 21547+2643 CVR 924 distance=65' 22012+2818 RAO 691 distance=66' 21521+2748 HO 171 distance=70' 21561+2846 COU 837AB distance=71' 21561+2846 GII 104AC distance=71' 22012+2650 A 306 distance=71' 21564+2627 KPP3374 distance=73' 22032+2729 COU 434 distance=74' 21553+2850 COU 836 distance=77' 21575+2856 LEP 104 distance=79' 22020+2651 HO 610AB distance=79' 22020+2651 HO 610AC distance=79' 22020+2651 HO 610AD distance=79' 22020+2651 HO 610AE distance=79' 21524+2823 NSN 67 distance=80' 22017+2646 J 1791 distance=81' 21587+2618 GRV 525 distance=83' 21565+2900 HJ 1706 distance=83' 21565+2613 ES 526AB distance=86' 21565+2613 CRB 17AC distance=86' 21540+2852 GRV 519 distance=87' 22037+2753 KPP 600 distance=87' 22032+2701 TDT3312 distance=87' 22025+2834 HEI 825 distance=89' 21505+2756 AZC 116 distance=93' 21538+2856 MLB 495 distance=94' 21503+2754 MLB 576 distance=95' 22001+2909 BRT 60 distance=98' 21585+2601 COU 838AB distance=99' 21585+2601 COU 838AC distance=99' 22045+2758 MLB 622 distance=99' 21517+2852 SHN 256 distance=105' 21575+2923 UC 4612 distance=106' 21517+2856 HLD 49 distance=107' 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 21573+2738 NSN 749 84 1.7
Show 21567+2721 GRV 521 306 45.5 18
Show 21580+2755 KPP3375 114 14.2 20
Show 21585+2725 A 304 AB 131 0.6 21
Show 21585+2725 A 304 AB,C 240 13.9 21
Show 21559+2753 HJ 1704 317 5.6 26
Show 21555+2724 A 303 AB 52 2.3 28
Show 21555+2724 STJ 1 AC 337 3.4 28
Show 21593+2800 MLB 578 151 3.1 35
Show 21561+2701 J 854 305 2.8 39
Show 21556+2823 MLB 577 AB 300 48.8 51
Show 21556+2823 MLB 577 BC 18 6.4 52
Show 22013+2751 ES 527 214 3.5 55
Show 21553+2648 A 302 239 5.8 57
Show 21536+2701 ES 523 95 6.2 61
Show 21539+2821 WSI 8 142 0.1 62
Show 21593+2641 COU1043 18 0.4 63
Show 21547+2643 CVR 924 252 21.1 65
Show 22012+2818 RAO 691 298 0.3 66
Show 21521+2748 HO 171 342 0.8 70
Show 21561+2846 COU 837 AB 150 1.2 71
Show 21561+2846 GII 104 AC 105 1.9 71
Show 22012+2650 A 306 310 1.4 71
Show 21564+2627 KPP3374 328 11.3 73
Show 22032+2729 COU 434 92 1.0 74
Show 21553+2850 COU 836 161 1.3 77
Show 21575+2856 LEP 104 189 85.0 79
Show 22020+2651 HO 610 AB 241 0.6 79
Show 22020+2651 HO 610 AC 331 33.4 79
Show 22020+2651 HO 610 AD 283 34.6 79
Show 22020+2651 HO 610 AE 239 56.1 79
Show 21524+2823 NSN 67 285 5.1 80
Show 22017+2646 J 1791 247 4.5 81
Show 21587+2618 GRV 525 159 71.4 83
Show 21565+2900 HJ 1706 260 10.0 83
Show 21565+2613 ES 526 AB 95 9.6 86
Show 21565+2613 CRB 17 AC 54 5.7 86
Show 21540+2852 GRV 519 318 22.1 87
Show 22037+2753 KPP 600 51 5.5 87
Show 22032+2701 TDT3312 197 2.5 87
Show 22025+2834 HEI 825 201 2.9 89
Show 21505+2756 AZC 116 353 20.9 93
Show 21538+2856 MLB 495 134 4.8 94
Show 21503+2754 MLB 576 267 13.1 95
Show 22001+2909 BRT 60 163 4.0 98
Show 21585+2601 COU 838 AB 276 0.1 99
Show 21585+2601 COU 838 AC 122 1.6 99
Show 22045+2758 MLB 622 281 4.9 99
Show 21517+2852 SHN 256 -1 0.6 105
Show 21575+2923 UC 4612 23 64.1 106
Show 21517+2856 HLD 49 341 2.1 107

 
 
WDS 21573+2738 : COMPONENTS
 
 
  A
B pa=83.1°
sep=1.50"
 
 
21573+2738 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 215717.88+273749.3 Mag 14.32 PmRA 238.00
PmDE 133.0
 
 
21573+2738 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 215717.99+273749.5 Mag 14.4 PmRA 237.00
PmDE 137.0 Calc delta mag 0.08 Calc coord yes