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Current system
20280+0923
TDT 2300


Nearby doubles
24' : 20265+0931
UC 4185

29' : 20271+0948
J 559

33' : 20303+0917
J 1883

33' : 20298+0941
AST 2AB

34' : 20301+0914
GRV 345

35' : 20279+0958
AG 256AB

38' : 20259+0902
J 3084

42' : 20254+0938
VKI 37

47' : 20292+0840
GWP2959

51' : 20270+1008
J 1343

52' : 20245+0916
HJ 2959

53' : 20269+1013
TDT2282

54' : 20253+0847
NSN 732

60' : 20292+1019
J 3264

60' : 20269+0826
LDS4843

61' : 20297+1018
STF2686

62' : 20289+1022
J 3263

62' : 20262+0827
UC 4180

68' : 20293+1029
J 3088

69' : 20294+1029
DAM 214

70' : 20250+1016
HJ 1509

72' : 20295+1033
J 3089

72' : 20230+0929
J 2572

73' : 20325+0858
HJ 2976

73' : 20231+0935
DAM 213

73' : 20258+0818
UC 4178



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

20280+0923 TDT 2300

 
 
20h 27m 58.11s +09° 23' 07.8" P.A. 101.00 sep 0.5 mag 10.99,11.23
 
 
Coord 2000 20280+0923 Discov num TDT2300 Comp Coord arcsec 2000 20 27 58.11 +09 23 07.8
Date first 1991 Date last 1991 Obs 1
Pa first 101 Pa last 100.7 P.A. Now (θ) 100.7°
Sep first 0.5 Sep last 0.48 Sep. Now (ρ) 0.48"
Mag pri 10.99 Mag sec 11.23 delta mag (ΔM) 0.24 Spectral class
Pri motion ra +006 Sec motion ra +006
Pri motion dec +007 Sec motion dec +007
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Tycho2 1091-01759-1 Gaia DR2 1752817320760070528
 
 
WDS 20280+0923 TDT 2300 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
No records found.

 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20280+0923 TDT2300 1991 1 101 0.5 10.99 11.23 202758.11+092307.8

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

 
 
WDS 20280+0923 TDT 2300 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20280+0923 TDT 2300 : MEASURES
 
 
No records found.

 
 
WDS 20280+0923 : VIRTUAL EYEPIECE
 
 

20280+0923 TDT2300A mag 10.99 20280+0923 TDT2300B sep 0.5 P.A. 100.80 mag 11.23 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 20280+0923 : ALADIN DSS IMAGE @ 20h 27m 58.11s +09° 23' 07.8"
 
 
 
 
WDS 20280+0923 TDT 2300 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20280+0923 TDT2300 distance=0' 20265+0931 UC 4185 distance=24' 20271+0948 J 559 distance=29' 20303+0917 J 1883 distance=33' 20298+0941 AST 2AB distance=33' 20298+0941 CRC 37AD distance=33' 20301+0914 GRV 345 distance=34' 20279+0958 AG 256AB distance=35' 20279+0958 AG 256AC distance=35' 20259+0902 J 3084 distance=38' 20254+0938 VKI 37 distance=42' 20292+0840 GWP2959 distance=47' 20270+1008 J 1343 distance=51' 20245+0916 HJ 2959 distance=52' 20269+1013 TDT2282 distance=53' 20253+0847 NSN 732 distance=54' 20292+1019 J 3264 distance=60' 20269+0826 LDS4843 distance=60' 20297+1018 STF2686 distance=61' 20289+1022 J 3263 distance=62' 20262+0827 UC 4180 distance=62' 20293+1029 J 3088 distance=68' 20294+1029 DAM 214 distance=69' 20250+1016 HJ 1509 distance=70' 20295+1033 J 3089 distance=72' 20230+0929 J 2572 distance=72' 20325+0858 HJ 2976 distance=73' 20231+0935 DAM 213 distance=73' 20258+0818 UC 4178 distance=73' 20325+0951 UC 4209 distance=74' 20264+0810 GWP2947AB distance=77' 20232+0957 TDT2229 distance=79' 20277+0803 HJ 2966 distance=82' 20256+0801 LDS4842 distance=90' 20224+0959 TDS1065 distance=91' 20326+1024 J 3092 distance=92' 20221+0959 TDT2210 distance=94' 20303+1054 BU 63AB distance=97' 20303+1054 BU 297AC distance=97' 20276+0745 J 1297 distance=100' 20284+0746 BRT2186 distance=100' 20264+1103 BPM2159AB distance=103' 20264+1103 BPM2160AC distance=103' 20260+1102 BPM2156AB distance=104' 20260+1102 BPM2157BC distance=104' 20264+0741 UC 4183 distance=105' 20308+1059 BPM2179 distance=105' 20301+1103 BPM2176 distance=105' 20322+1054 LDS4848 distance=107' 20285+1110 BPM2171 distance=108' 20263+1109 UC 4181 distance=109' 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 20280+0923 TDT2300 101 0.5
Show 20265+0931 UC 4185 277 7.7 24
Show 20271+0948 J 559 295 2.0 29
Show 20303+0917 J 1883 116 6.5 33
Show 20298+0941 AST 2 AB 94 0.2 33
Show 20298+0941 CRC 37 AD 201 9.2 33
Show 20301+0914 GRV 345 215 38.5 34
Show 20279+0958 AG 256 AB 351 5.2 35
Show 20279+0958 AG 256 AC 225 99.2 35
Show 20259+0902 J 3084 87 6.0 38
Show 20254+0938 VKI 37 103 2.8 42
Show 20292+0840 GWP2959 280 37.8 47
Show 20270+1008 J 1343 53 2.3 51
Show 20245+0916 HJ 2959 262 7.4 52
Show 20269+1013 TDT2282 258 3.1 53
Show 20253+0847 NSN 732 235 3.3 54
Show 20292+1019 J 3264 358 5.9 60
Show 20269+0826 LDS4843 167 15.3 60
Show 20297+1018 STF2686 278 25.8 61
Show 20289+1022 J 3263 54 7.1 62
Show 20262+0827 UC 4180 303 9.7 62
Show 20293+1029 J 3088 79 7.3 68
Show 20294+1029 DAM 214 298 5.3 69
Show 20250+1016 HJ 1509 180 19.2 70
Show 20295+1033 J 3089 317 4.6 72
Show 20230+0929 J 2572 280 4.0 72
Show 20325+0858 HJ 2976 266 18.8 73
Show 20231+0935 DAM 213 8.5 73
Show 20258+0818 UC 4178 267 86.2 73
Show 20325+0951 UC 4209 15 92.1 74
Show 20264+0810 GWP2947 AB 43.1 77
Show 20232+0957 TDT2229 227 1.2 79
Show 20277+0803 HJ 2966 259 3.6 82
Show 20256+0801 LDS4842 218 101.0 90
Show 20224+0959 TDS1065 22 1.3 91
Show 20326+1024 J 3092 336 5.3 92
Show 20221+0959 TDT2210 69 0.5 94
Show 20303+1054 BU 63 AB 347 0.9 97
Show 20303+1054 BU 297 AC 340 16.9 97
Show 20276+0745 J 1297 2 1.0 100
Show 20284+0746 BRT2186 173 5.0 100
Show 20264+1103 BPM2159 AB 65 36.6 103
Show 20264+1103 BPM2160 AC 152 67.7 103
Show 20260+1102 BPM2156 AB 73 53.8 104
Show 20260+1102 BPM2157 BC 109 117.7 104
Show 20264+0741 UC 4183 195 59.7 105
Show 20308+1059 BPM2179 29 77.2 105
Show 20301+1103 BPM2176 280 53.7 105
Show 20322+1054 LDS4848 143 251.1 107
Show 20285+1110 BPM2171 30 40.3 108
Show 20263+1109 UC 4181 356 86.7 109

 
 
WDS 20280+0923 : COMPONENTS
 
 
  A
B pa=100.8°
sep=0.47"
 
 
20280+0923 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 202758.11+092307.8 Mag 10.99 PmRA 6.00
PmDE 7.0 Tycho2 1091-01759-1
Tycho2
Tycho2 1091-01759-1 Pflag RAmdeg 306.99217758 DEmdeg 9.38547657
PmRA 5.5 PmDE 7.2 E RAmdeg 19 E DEmdeg 22
E pmRA 1.8 E pmDE 1.8 EpRAm 1988.86 EpDEm 1986.97
Num 7 Q RAmdeg 0.7 Q DEmdeg 0.9 Q pmRA 0.7
Q pmDE 0.9 BTmag 10.585 E BTmag 0.037 VTmag 10.459
E VTmag 0.041 Prox 708 TYC T HIP
CCDM RAdeg 306.99216250 DEdeg 9.38546556 EpRA 1990 1.78
EpDE 1990 1.69 E RAdeg 20.8 E DEdeg 26.0 Posflg
Corr -0.2
 
 
20280+0923 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 202758.14+092307.7 Mag 11.23 PmRA 6.00
PmDE 7.0 Calc delta mag 0.24 Calc coord yes