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Current system
20284+2800
TDT 2311


Nearby doubles
13' : 20276+2803
AG 405

20' : 20281+2819
MLB 662

23' : 20268+2804
A 393

24' : 20280+2739
BRT 48

25' : 20273+2820
MLB 774AB

26' : 20288+2735
TDS1076

28' : 20275+2735
BVD 164

31' : 20292+2731
HJ 1519

33' : 20284+2728
COU 725

35' : 20294+2729
KPP1957

36' : 20269+2731
RAO 432

39' : 20266+2831
TDT2276

41' : 20307+2826
GRV 347

41' : 20297+2837
MLB1088

43' : 20264+2832
TDT2269

49' : 20258+2726
TDT2265

53' : 20254+2727
J 509

53' : 20290+2852
TDT2317

54' : 20244+2802
HDS2918

54' : 20256+2723
J 2310AB

55' : 20247+2739
MLB 707

59' : 20307+2710
TDT2332

60' : 20241+2746
TDT2238

61' : 20324+2731
FOX 93

62' : 20241+2823
AG 404

62' : 20282+2901
ES 504AB



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

20284+2800 TDT 2311

 
 
20h 28m 25.70s +28° 00' 07.3" P.A. 97.00 sep 1.5 mag 12.27,12.36
 
 
Coord 2000 20284+2800 Discov num TDT2311 Comp Coord arcsec 2000 20 28 25.70 +28 00 07.3
Date first 1991 Date last 1991 Obs 1
Pa first 97 Pa last 97 P.A. Now (θ) 97°
Sep first 1.5 Sep last 1.49 Sep. Now (ρ) 1.49"
Mag pri 12.27 Mag sec 12.36 delta mag (ΔM) 0.09 Spectral class
Pri motion ra -012 Sec motion ra -012
Pri motion dec -014 Sec motion dec -014
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Vulpecula Tycho2 2164-01413-1 Gaia DR2 1860037464157072000
 
 
WDS 20284+2800 TDT 2311 : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20284+2800 TDT2311 1991 1 97 1.5 12.27 12.36 202825.70+280007.3

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

 
 
WDS 20284+2800 TDT 2311 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20284+2800 TDT 2311 : MEASURES
 
 
No records found.

 
 
WDS 20284+2800 : VIRTUAL EYEPIECE
 
 

20284+2800 TDT2311A mag 12.27 20284+2800 TDT2311B sep 1.3 P.A. 97.90 mag 12.36 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 20284+2800 : ALADIN DSS IMAGE @ 20h 28m 25.70s +28° 00' 07.3"
 
 
 
 
WDS 20284+2800 TDT 2311 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20284+2800 TDT2311 distance=0' 20276+2803 AG 405 distance=13' 20281+2819 MLB 662 distance=20' 20268+2804 A 393 distance=23' 20280+2739 BRT 48 distance=24' 20273+2820 MLB 774BC distance=25' 20273+2820 MLB 774AB distance=25' 20288+2735 TDS1076 distance=26' 20275+2735 BVD 164 distance=28' 20292+2731 HJ 1519 distance=31' 20284+2728 COU 725 distance=33' 20294+2729 KPP1957 distance=35' 20269+2731 RAO 432 distance=36' 20266+2831 TDT2276 distance=39' 20307+2826 GRV 347 distance=41' 20297+2837 MLB1088 distance=41' 20264+2832 TDT2269 distance=43' 20258+2726 TDT2265 distance=49' 20254+2727 J 509 distance=53' 20290+2852 TDT2317 distance=53' 20244+2802 HDS2918 distance=54' 20256+2723 J 2310BC distance=54' 20256+2723 J 2310AB distance=54' 20256+2723 J 2310AC distance=54' 20247+2739 MLB 707 distance=55' 20307+2710 TDT2332 distance=59' 20241+2746 TDT2238 distance=60' 20324+2731 FOX 93 distance=61' 20241+2823 AG 404 distance=62' 20282+2901 TDT2308Aa,Ab distance=62' 20282+2901 ES 504AB distance=62' 20293+2700 DOO 93AC distance=62' 20293+2700 TDT2319AB distance=62' 20291+2700 DOO 86 distance=62' 20290+2658 A 394 distance=63' 20266+2858 TDT2275 distance=63' 20270+2902 TDT2283 distance=65' 20312+2855 ES 506 distance=67' 20268+2657 J 3086 distance=67' 20333+2824 NSN 734 distance=69' 20307+2657 OPI 25AB distance=70' 20307+2657 OPI 25AC distance=70' 20307+2657 OPI 25AD distance=70' 20338+2808 STF2698 distance=71' 20333+2727 HDS2935 distance=73' 20302+2651 WOR 9AB distance=74' 20302+2651 BUP 213AC distance=74' 20302+2651 BUP 213AD distance=74' 20302+2651 BUP 213AE distance=74' 20302+2651 LMP 45AF distance=74' 20261+2910 MLB 479 distance=76' 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 20284+2800 TDT2311 97 1.5 0
Show 20276+2803 AG 405 70 23.3 13
Show 20281+2819 MLB 662 42 3.4 20
Show 20268+2804 A 393 217 0.5 23
Show 20280+2739 BRT 48 265 4.2 24
Show 20273+2820 MLB 774 BC 279 4.3 25
Show 20273+2820 MLB 774 AB 63 44.1 25
Show 20288+2735 TDS1076 293 1.0 26
Show 20275+2735 BVD 164 350 2.9 28
Show 20292+2731 HJ 1519 234 15.6 31
Show 20284+2728 COU 725 59 0.5 33
Show 20294+2729 KPP1957 36 15.5 35
Show 20269+2731 RAO 432 336 0.2 36
Show 20266+2831 TDT2276 316 0.7 39
Show 20307+2826 GRV 347 8 22.4 41
Show 20297+2837 MLB1088 334 9.5 41
Show 20264+2832 TDT2269 332 0.4 43
Show 20258+2726 TDT2265 264 2.5 49
Show 20254+2727 J 509 262 4.0 53
Show 20290+2852 TDT2317 323 0.5 53
Show 20244+2802 HDS2918 228 0.2 54
Show 20256+2723 J 2310 BC 357 5.3 54
Show 20256+2723 J 2310 AB 323 33.5 54
Show 20256+2723 J 2310 AC 328 38.0 54
Show 20247+2739 MLB 707 358 3.5 55
Show 20307+2710 TDT2332 169 0.7 59
Show 20241+2746 TDT2238 205 0.4 60
Show 20324+2731 FOX 93 184 1.4 61
Show 20241+2823 AG 404 247 34.4 62
Show 20282+2901 TDT2308 Aa,Ab 343 0.6 62
Show 20282+2901 ES 504 AB 87 5.9 62
Show 20293+2700 DOO 93 AC 227 27.4 62
Show 20293+2700 TDT2319 AB 344 2.1 62
Show 20291+2700 DOO 86 210 18.7 62
Show 20290+2658 A 394 286 0.7 63
Show 20266+2858 TDT2275 87 0.4 63
Show 20270+2902 TDT2283 355 0.4 65
Show 20312+2855 ES 506 304 5.9 67
Show 20268+2657 J 3086 17 3.7 67
Show 20333+2824 NSN 734 94 10.0 69
Show 20307+2657 OPI 25 AB 29 14.0 70
Show 20307+2657 OPI 25 AC 324 27.0 70
Show 20307+2657 OPI 25 AD 357 103.7 70
Show 20338+2808 STF2698 305 4.5 71
Show 20333+2727 HDS2935 113 0.5 73
Show 20302+2651 WOR 9 AB 225 0.5 74
Show 20302+2651 BUP 213 AC 318 9.7 74
Show 20302+2651 BUP 213 AD 281 93.0 74
Show 20302+2651 BUP 213 AE 93 999.9 74
Show 20302+2651 LMP 45 AF 252 43.7 74
Show 20261+2910 MLB 479 141 6.4 76

 
 
WDS 20284+2800 : COMPONENTS
 
 
  A
B pa=97.9°
sep=1.32"
 
 
20284+2800 A
 
 
Coord arcsec 2000 202825.70+280007.3 Mag 12.27 PmRA -12.00 PmDE -14.0
Tycho2 2164-01413-1
Tycho2
Tycho2 2164-01413-1 Pflag RAmdeg 307.10744802 DEmdeg 28.00197279
PmRA -11.7 PmDE -14.4 E RAmdeg 91 E DEmdeg 82
E pmRA 2.3 E pmDE 2.2 EpRAm 1970.14 EpDEm 1972.95
Num 4 Q RAmdeg 2.5 Q DEmdeg 1.0 Q pmRA 2.5
Q pmDE 1.0 BTmag 12.816 E BTmag 0.212 VTmag 12.225
E VTmag 0.167 Prox 999 TYC HIP
CCDM RAdeg 307.10747611 DEdeg 28.00200611 EpRA 1990 1.75
EpDE 1990 1.73 E RAdeg 104.0 E DEdeg 92.2 Posflg
Corr 0.0
 
 
20284+2800 B
 
 
Coord arcsec 2000 202825.80+280007.1 Mag 12.36 PmRA -12.00 PmDE -14.0
Calc delta mag 0.09 Calc coord yes