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Doubles in session


Current system
20264+5402
FRK 9
HD 235240


Nearby doubles
20' : 20241+5358
MLR 608

24' : 20280+5343
TDT2298

29' : 20239+5420
HDS2914

33' : 20255+5434
GIC 157

34' : 20301+5407
TDS1077

34' : 20284+5430
STF2693

37' : 20252+5437
STI2524

41' : 20255+5441
HJ 1516AB

43' : 20223+5338
BU 666

47' : 20298+5436
STI2536

47' : 20247+5446
TDT2247

49' : 20228+5325
STF2681AB

54' : 20306+5439
MLR 589

56' : 20278+5456
TDT2293

58' : 20222+5437
STI2521

58' : 20205+5336
BU 663AB

59' : 20264+5500
STI2528

62' : 20331+5420
STI2539

68' : 20257+5508
A 1429

70' : 20244+5509
TDT2241

73' : 20281+5513
STI2533

77' : 20231+5504
OL 74

84' : 20209+5511
TDT2197

85' : 20260+5526
STI2527

86' : 20354+5435
STI2543

87' : 20246+5527
MLR 588



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.

20264+5402 FRK 9 (HD 235240)

 
 
20h 26m 21.52s +54° 01' 32.6" P.A. 238.00 sep 59.8 mag 8.44,9.04 Sp K7
 
 
Coord 2000 20264+5402 Discov num FRK   9 Comp Coord arcsec 2000 20 26 21.52 +54 01 32.6
Date first 1899 Date last 2015 Obs 22
Pa first 238 Pa last 237.9 P.A. Now (θ) 237.9°
Sep first 59.4 Sep last 59.764 Sep. Now (ρ) 59.764"
Mag pri 8.44 Mag sec 9.04 delta mag (ΔM) 0.6 Spectral class K7 (yellow-orange)
Pri motion ra +000 Sec motion ra -005
Pri motion dec -015 Sec motion dec -016
Notes N (See Notes)
rPM=0.304
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 235240 Constellation Cygnus SAO 32585 Tycho2 3937-00389-1
Gaia DR2 2184977033171203456 HD 235240
 
 
WDS 20264+5402 FRK 9 (HD 235240) : NOTES
 
 
discov_num notes refcode
FRK 9 B is BD+53@2404.
 
 
REFERENCES
 
 
refcode metd author reference
Frk1914a Ma - Franks, W.S. 1914MNRAS..74..517F
Frk1914a MNRAS 74, 517, 1914
Frk1914b Ma - Franks, W.S. 1914MNRAS..75...96F
Frk1914b MNRAS 75, 96, 1914
Frk1915 Ma - Franks, W.S. 1915MNRAS..76...24F
Frk1915 MNRAS 76, 24, 1915
Frk1916 Ma - Franks, W.S. 1916MNRAS..77...46F
Frk1916 MNRAS 77, 46, 1916
Frk1917 Ma - Franks, W.S. 1917MNRAS..78...82F
Frk1917 MNRAS 78, 82, 1917
Frk1918 Ma - Franks, W.S. 1918MNRAS..79...83F
Frk1918 MNRAS 79, 83, 1918
Frk1919a Ma - Franks, W.S. 1919MNRAS..80..215F
Frk1919a MNRAS 80, 215, 1919
Frk1919b Ma - Franks, W.S. 1919MNRAS..81..150F
Frk1919b MNRAS 81, 150, 1919
Frk1932A Ma - Franks, W.S. 1932QB821.A43......
Frk1932A cited in ADS (Aitken Double Star Cat.), 1932
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20264+5402 FRK 9 2003 14 238 59.3 8.44 9.04 K7 N D 202621.52+540132.6
20264+5402 FRK 9 2013 16 238 59.8 8.44 9.04 K7 N 202621.52+540132.6
20264+5402 FRK 9 2015 18 238 59.8 8.44 9.04 K7 N 202621.52+540132.6

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

 
 
WDS 20264+5402 FRK 9 (HD 235240) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20264+5402 FRK 9 (HD 235240) : MEASURES
 
 
No records found.

 
 
WDS 20264+5402 (HD 235240) : VIRTUAL EYEPIECE
 
 

20264+5402 FRK 9A mag 8.44 Sp K7 20264+5402 FRK 9B sep 43.5 P.A. 223.10 mag 9.04 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 20264+5402 (HD 235240) : ALADIN DSS IMAGE @ 20h 26m 21.52s +54° 01' 32.6"
 
 
 
 
WDS 20264+5402 FRK 9 (HD 235240) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20264+5402 FRK 9 distance=0' 20241+5358 MLR 608 distance=20' 20280+5343 TDT2298 distance=24' 20239+5420 HDS2914 distance=29' 20255+5434 GIC 157 distance=33' 20301+5407 TDS1077 distance=34' 20284+5430 STF2693 distance=34' 20252+5437 STI2524 distance=37' 20255+5441 HJ 1516AB distance=41' 20255+5441 HJ 1516AC distance=41' 20223+5338 BU 666 distance=43' 20298+5436 STI2536 distance=47' 20247+5446 TDT2247 distance=47' 20228+5325 STF2681AB distance=49' 20228+5325 STF2681AC distance=49' 20228+5325 STF2681AD distance=49' 20228+5325 STF2681CD distance=49' 20306+5439 MLR 589 distance=54' 20278+5456 TDT2293 distance=56' 20222+5437 STI2521 distance=58' 20205+5336 BU 663AB distance=58' 20205+5336 BU 663AC distance=58' 20205+5336 BU 663AD distance=58' 20264+5500 STI2528 distance=59' 20331+5420 STI2539 distance=62' 20257+5508 A 1429 distance=68' 20244+5509 TDT2241 distance=70' 20281+5513 STI2533 distance=73' 20231+5504 OL 74 distance=77' 20209+5511 TDT2197 distance=84' 20260+5526 STI2527 distance=85' 20354+5435 STI2543 distance=86' 20246+5527 MLR 588 distance=87' 20312+5519 A 1678 distance=89' 20358+5435 ES 991AB distance=89' 20358+5435 ES 991AC distance=89' 20189+5503 KPP 932 distance=90' 20358+5435 ES 991CD distance=90' 20315+5520 TDS1079 distance=90' 20223+5237 ES 989 distance=93' 20239+5232 A 1428 distance=93' 20248+5534 TDS1071 distance=94' 20368+5431 TDT2419 distance=97' 20369+5429 STI2545 distance=98' 20152+5409 HO 455BC distance=98' 20152+5409 HO 455BE distance=98' 20152+5409 HO 455AB distance=99' 20152+5409 HO 455AD distance=99' 20152+5409 HO 455AE distance=99' 20153+5428 TDT2123 distance=101' 20377+5351 A 1681AB distance=101' 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 20264+5402 FRK 9 238 59.8
Show 20241+5358 MLR 608 278 1.9 20
Show 20280+5343 TDT2298 60 0.5 24
Show 20239+5420 HDS2914 213 0.2 29
Show 20255+5434 GIC 157 298 27.6 33
Show 20301+5407 TDS1077 12 1.0 34
Show 20284+5430 STF2693 12 13.7 34
Show 20252+5437 STI2524 60 14.0 37
Show 20255+5441 HJ 1516 AB 147 47.3 41
Show 20255+5441 HJ 1516 AC 204 50.3 41
Show 20223+5338 BU 666 115 2.6 43
Show 20298+5436 STI2536 91 7.5 47
Show 20247+5446 TDT2247 213 0.6 47
Show 20228+5325 STF2681 AB 39 6.8 49
Show 20228+5325 STF2681 AC 199 38.2 49
Show 20228+5325 STF2681 AD 166 42.0 49
Show 20228+5325 STF2681 CD 101 23.3 49
Show 20306+5439 MLR 589 310 1.6 54
Show 20278+5456 TDT2293 261 0.8 56
Show 20222+5437 STI2521 123 7.1 58
Show 20205+5336 BU 663 AB 305 6.9 58
Show 20205+5336 BU 663 AC 69 6.5 58
Show 20205+5336 BU 663 AD 232 12.2 58
Show 20264+5500 STI2528 214 10.1 59
Show 20331+5420 STI2539 255 10.1 62
Show 20257+5508 A 1429 187 0.7 68
Show 20244+5509 TDT2241 263 1.7 70
Show 20281+5513 STI2533 198 10.0 73
Show 20231+5504 OL 74 41 3.9 77
Show 20209+5511 TDT2197 241 2.0 84
Show 20260+5526 STI2527 81 5.2 85
Show 20354+5435 STI2543 208 3.2 86
Show 20246+5527 MLR 588 245 0.2 87
Show 20312+5519 A 1678 351 2.4 89
Show 20358+5435 ES 991 AB 297 15.9 89
Show 20358+5435 ES 991 AC 106 61.7 89
Show 20189+5503 KPP 932 255 7.7 90
Show 20358+5435 ES 991 CD 120 2.6 90
Show 20315+5520 TDS1079 126 0.9 90
Show 20223+5237 ES 989 271 3.9 93
Show 20239+5232 A 1428 205 0.3 93
Show 20248+5534 TDS1071 184 0.9 94
Show 20368+5431 TDT2419 80 0.8 97
Show 20369+5429 STI2545 159 3.2 98
Show 20152+5409 HO 455 BC 176 4.0 98
Show 20152+5409 HO 455 BE 30 5.6 98
Show 20152+5409 HO 455 AB 83 35.1 99
Show 20152+5409 HO 455 AD 263 31.4 99
Show 20152+5409 HO 455 AE 71 39.6 99
Show 20153+5428 TDT2123 328 2.0 101
Show 20377+5351 A 1681 AB 209 4.4 101

 
 
WDS 20264+5402 : COMPONENTS
 
 
  A
B pa=223.1°
sep=43.51"
 
 
20264+5402 A
 
 
Componente originario normalizzato AB Name HD 235240 Coord arcsec 2000 202621.52+540132.6 Mag 8.44
Spectral class K7 (yellow-orange) PmRA 0.00 PmDE -15.0 SAO 32585
Tycho2 3937-00389-1 HD 235240 DM BD+53 2406
Tycho2
Tycho2 3937-00389-1 Pflag RAmdeg 306.58965986 DEmdeg 54.02571902
PmRA -1.3 PmDE -14.5 E RAmdeg 7 E DEmdeg 8
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.10 EpDEm 1990.91
Num 9 Q RAmdeg 0.7 Q DEmdeg 0.5 Q pmRA 0.7
Q pmDE 0.6 BTmag 10.341 E BTmag 0.028 VTmag 8.444
E VTmag 0.013 Prox 597 TYC T HIP
CCDM RAdeg 306.58966528 DEdeg 54.02575278 EpRA 1990 1.68
EpDE 1990 1.60 E RAdeg 7.4 E DEdeg 8.2 Posflg
Corr -0.1
SAO
SAO 32585 DelFlag RA1950 PmRA1950 -0.0004
DE1950 PmDE1950 -0.019 Vmag 8.2 SpType K7
Double code Source 37 CatNum 6581 DM BD+53 2406
DMcomp BDsup HD 235240 M HD 0
GC RA1950rad 5.34518558 DE1950rad 0.94004534 PmRA2000 0.0001
PmDE2000 -0.021
 
 
20264+5402 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 202618.14+540100.8 Mag 9.04 PmRA -5.00
PmDE -16.0 Calc delta mag 0.6 Calc coord yes