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Doubles in session


Current system
20253+0847
NSN 732


Nearby doubles
18' : 20259+0902
J 3084

24' : 20262+0827
UC 4180

31' : 20258+0818
UC 4178

31' : 20269+0826
LDS4843

32' : 20245+0916
HJ 2959

41' : 20264+0810
GWP2947AB

47' : 20256+0801
LDS4842

48' : 20265+0931
UC 4185

52' : 20254+0938
VKI 37

53' : 20230+0929
J 2572

54' : 20280+0923
TDT2300

56' : 20230+0803
UC 4163

57' : 20277+0803
HJ 2966

58' : 20231+0935
DAM 213

59' : 20292+0840
GWP2959

64' : 20211+0837
HJ 2953

68' : 20264+0741
UC 4183

68' : 20271+0948
J 559

71' : 20213+0808
GRV 333

71' : 20276+0745
J 1297

77' : 20301+0914
GRV 345

77' : 20232+0957
TDT2229

78' : 20284+0746
BRT2186

79' : 20251+0728
UC 4173

80' : 20303+0917
J 1883

81' : 20279+0958
AG 256AB



Selections
Full WDS
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.

20253+0847 NSN 732

 
 
20h 25m 18.84s +08° 46' 43.8" P.A. 235.00 sep 3.3 mag 17.59,17.89
 
 
Coord 2000 20253+0847 Discov num NSN 732 Comp Coord arcsec 2000 20 25 18.84 +08 46 43.8
Date first 2000 Date last 2016 Obs 4
Pa first 234 Pa last 234.6 P.A. Now (θ) 234.6°
Sep first 3.3 Sep last 3.322 Sep. Now (ρ) 3.322"
Mag pri 17.59 Mag sec 17.89 delta mag (ΔM) 0.3 Spectral class
Pri motion ra +052 Sec motion ra +049
Pri motion dec -309 Sec motion dec -309
Notes T (Parallax indicates physical)
rPM=0.01 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus
 
 
WDS 20253+0847 NSN 732 : 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
20253+0847 NSN 732 2015 3 235 3.3 17.59 17.89 T 202518.84+084643.8
20253+0847 NSN 732 2016 4 235 3.3 17.59 17.89 T 202518.84+084643.8

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

 
 
WDS 20253+0847 NSN 732 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20253+0847 NSN 732 : MEASURES
 
 
No records found.

 
 
WDS 20253+0847 : VIRTUAL EYEPIECE
 
 

20253+0847 NSN 732A mag 17.59 20253+0847 NSN 732B sep 3.3 P.A. 234.30 mag 17.89 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 20253+0847 : ALADIN DSS IMAGE @ 20h 25m 18.84s +08° 46' 43.8"
 
 
 
 
WDS 20253+0847 NSN 732 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20253+0847 NSN 732 distance=0' 20259+0902 J 3084 distance=18' 20262+0827 UC 4180 distance=24' 20258+0818 UC 4178 distance=31' 20269+0826 LDS4843 distance=31' 20245+0916 HJ 2959 distance=32' 20264+0810 GWP2947AB distance=41' 20256+0801 LDS4842 distance=47' 20265+0931 UC 4185 distance=48' 20254+0938 VKI 37 distance=52' 20230+0929 J 2572 distance=53' 20280+0923 TDT2300 distance=54' 20230+0803 UC 4163 distance=56' 20277+0803 HJ 2966 distance=57' 20231+0935 DAM 213 distance=58' 20292+0840 GWP2959 distance=59' 20211+0837 HJ 2953 distance=64' 20264+0741 UC 4183 distance=68' 20271+0948 J 559 distance=68' 20213+0808 GRV 333 distance=71' 20276+0745 J 1297 distance=71' 20301+0914 GRV 345 distance=77' 20232+0957 TDT2229 distance=77' 20284+0746 BRT2186 distance=78' 20251+0728 UC 4173 distance=79' 20303+0917 J 1883 distance=80' 20279+0958 AG 256AB distance=81' 20279+0958 AG 256AC distance=81' 20278+0734 GWP2954 distance=82' 20201+0820 HJ 2949AB distance=83' 20201+0820 DAM 209AC distance=83' 20202+0815 DAM 210 distance=83' 20224+0959 TDS1065 distance=85' 20298+0941 AST 2AB distance=87' 20298+0941 CRC 37AD distance=87' 20221+0959 TDT2210 distance=87' 20270+1008 J 1343 distance=89' 20269+1013 TDT2282 distance=90' 20250+1016 HJ 1509 distance=90' 20207+0946 GRV 332 distance=91' 20209+0727 UC 4153 distance=104' 20300+0730 NSN 733 distance=104' 20301+0730 LDS4846 distance=105' 20254+0700 UC 4176 distance=108' 20325+0858 HJ 2976 distance=108' 20292+1019 J 3264 distance=109' 20289+1022 J 3263 distance=110' 20290+0710 A 610 distance=112' 20297+1018 STF2686 distance=113' 20185+0750 SKF1865 distance=116' 20293+1029 J 3088 distance=118' 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 20253+0847 NSN 732 235 3.3
Show 20259+0902 J 3084 87 6.0 18
Show 20262+0827 UC 4180 303 9.7 24
Show 20258+0818 UC 4178 267 86.2 31
Show 20269+0826 LDS4843 167 15.3 31
Show 20245+0916 HJ 2959 262 7.4 32
Show 20264+0810 GWP2947 AB 43.1 41
Show 20256+0801 LDS4842 218 101.0 47
Show 20265+0931 UC 4185 277 7.7 48
Show 20254+0938 VKI 37 103 2.8 52
Show 20230+0929 J 2572 280 4.0 53
Show 20280+0923 TDT2300 101 0.5 54
Show 20230+0803 UC 4163 291 56.4 56
Show 20277+0803 HJ 2966 259 3.6 57
Show 20231+0935 DAM 213 8.5 58
Show 20292+0840 GWP2959 280 37.8 59
Show 20211+0837 HJ 2953 260 26.3 64
Show 20264+0741 UC 4183 195 59.7 68
Show 20271+0948 J 559 295 2.0 68
Show 20213+0808 GRV 333 193 60.7 71
Show 20276+0745 J 1297 2 1.0 71
Show 20301+0914 GRV 345 215 38.5 77
Show 20232+0957 TDT2229 227 1.2 77
Show 20284+0746 BRT2186 173 5.0 78
Show 20251+0728 UC 4173 359 42.9 79
Show 20303+0917 J 1883 116 6.5 80
Show 20279+0958 AG 256 AB 351 5.2 81
Show 20279+0958 AG 256 AC 225 99.2 81
Show 20278+0734 GWP2954 290 50.4 82
Show 20201+0820 HJ 2949 AB 302 7.5 83
Show 20201+0820 DAM 209 AC 224 12.7 83
Show 20202+0815 DAM 210 321 3.9 83
Show 20224+0959 TDS1065 22 1.3 85
Show 20298+0941 AST 2 AB 94 0.2 87
Show 20298+0941 CRC 37 AD 201 9.2 87
Show 20221+0959 TDT2210 69 0.5 87
Show 20270+1008 J 1343 53 2.3 89
Show 20269+1013 TDT2282 258 3.1 90
Show 20250+1016 HJ 1509 180 19.2 90
Show 20207+0946 GRV 332 282 23.1 91
Show 20209+0727 UC 4153 201 23.7 104
Show 20300+0730 NSN 733 133 39.4 104
Show 20301+0730 LDS4846 313 39.4 105
Show 20254+0700 UC 4176 120 51.9 108
Show 20325+0858 HJ 2976 266 18.8 108
Show 20292+1019 J 3264 358 5.9 109
Show 20289+1022 J 3263 54 7.1 110
Show 20290+0710 A 610 99 0.6 112
Show 20297+1018 STF2686 278 25.8 113
Show 20185+0750 SKF1865 240 56.6 116
Show 20293+1029 J 3088 79 7.3 118

 
 
WDS 20253+0847 : COMPONENTS
 
 
  A
B pa=234.3°
sep=3.30"
 
 
20253+0847 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 202518.84+084643.8 Mag 17.59 PmRA 52.00
PmDE -309.0
 
 
20253+0847 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 202518.66+084641.9 Mag 17.89 PmRA 49.00
PmDE -309.0 Calc delta mag 0.3 Calc coord yes