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Current system
20270+3329
HJ 1515


Nearby doubles
2' : 20269+3329
CRB 134

6' : 20265+3331
COU1954

6' : 20271+3322
J 788

17' : 20283+3325
TDT2307

19' : 20284+3327
GRV 343

28' : 20256+3350
COU1952

28' : 20281+3353
COU1956

29' : 20273+3357
COU1955

33' : 20251+3304
ES 2353

38' : 20250+3357
TDT2251

39' : 20300+3333
HEI 584

41' : 20240+3312
TDS1069

43' : 20240+3309
NSN 3AB

44' : 20249+3404
A 290

46' : 20251+3408
COU1951

46' : 20265+3414
TDT2271

47' : 20260+3414
COU1953

47' : 20295+3254
TDT2321

47' : 20256+3245
GRV 340

48' : 20233+3338
J 1231

52' : 20231+3342
COU1949

52' : 20311+3333
COU1962

53' : 20233+3351
J 786

55' : 20313+3337
ES 2354

56' : 20266+3424
TDT2274

59' : 20287+3423
COU1957



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.

20270+3329 HJ 1515

 
 
20h 27m 01.23s +33° 28' 40.7" P.A. 27.00 sep 15.3 mag 9.31,11.28 Sp F2
 
 
Coord 2000 20270+3329 Discov num HJ 1515 Comp Coord arcsec 2000 20 27 01.23 +33 28 40.7
Date first 1828 Date last 2015 Obs 17
Pa first 24 Pa last 26.7 P.A. Now (θ) 26.7°
Sep first 10.0 Sep last 15.293 Sep. Now (ρ) 15.293"
Mag pri 9.31 Mag sec 11.28 delta mag (ΔM) 1.97 Spectral class F2 (yellow-white)
Pri motion ra -001 Sec motion ra +006
Pri motion dec -014 Sec motion dec +005
Notes
rPM=1.443
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2689-00348-1 Gaia DR2 2055947900548707200
 
 
WDS 20270+3329 HJ 1515 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HJ_1826 Mb - Herschel, J.F.W. 1826MmRAS...2..459H
HJ_1826 MemRAS 2, 459, 1826
HJ_1829a Mb - Herschel, J.F.W. 1829MmRAS...3...47H
HJ_1829a MemRAS 3, 47, 1829
HJ_1829b Mb - Herschel, J.F.W. 1829MmRAS...3..177H
HJ_1829b MemRAS 3, 177, 1829
HJ_1831 Ma - Herschel, J.F.W. 1831MmRAS...4..331H
HJ_1831 +Mb MemRAS 4, part 2, 331, 1831
HJ_1833a Ma - Herschel, J.F.W. 1833MmRAS...5...13H
HJ_1833a +Mb MemRAS 5, 13, 1833
HJ_1833b orb - Herschel, J.F.W. 1833MmRAS...5..171H
HJ_1833b MemRAS 5, 171, 1833
HJ_1833c Mb - Herschel, J.F.W. 1833MmRAS...6....1H
HJ_1833c MemRAS 6, 1, 1833
HJ_1833d orb - Herschel, J.F.W. 1833MmRAS...6..149H
HJ_1833d MemRAS 6, 149, 1833
HJ_1835 Ma - Herschel, J.F.W. 1835MmRAS...8...37H
HJ_1835 +Mb MemRAS 8, 37, 1835
HJ_1836 Mb - Herschel, J.F.W. 1836MmRAS...9..193H
HJ_1836 MemRAS 9, 193, 1836
HJ_1847a Ma j Herschel, J.F.W. .
HJ_1847a +Mb Cape Results, London, 1847 (Cape of Good Hope Astronomical Observations 1834-1838)
HJ_1847b Ma j Herschel, J.F.W. .
HJ_1847b Cape Results, London, 1847
HJ_1850 orb - Herschel, J.F.W. 1850MmRAS..18...47H
HJ_1850 MemRAS 18, 47, 1850
HJ_1870 Mb - Herschel, J.F.W. 1870MmRAS..38....1H
HJ_1870 MemRAS 38, 1, 1870
HJ_1874A - Herschel, J.F.W. 1874MNRAS..35...28B
HJ_1874A cited by Burnham (MNRAS 35, 28, 1874)
HJ_1875A Ma - Herschel, J.F.W. 1875AN.....85..323D
HJ_1875A +Mb cited by Doberck, 1875 (see Dob1875b,f,g,h)
HJ_1880A Ma - Herschel, J.F.W. 1880Obs.....3..508G
HJ_1880A +Mb cited by Gledhill (Obs 3, 508, 1880)
HJ_1880B Mb - Herschel, J.F.W. 1880MNRAS..40..497B
HJ_1880B cited by Burnham (MNRAS 40, 497, 1880)
HJ_1897A Ma j Herschel, J.F.W. 1897MNRAS..57..541S
HJ_1897A cited by See (MNRAS 57, 541, 1897)
HJ_1905A Ma - Herschel, J.F.W. 1905LicOB...3..147A
HJ_1905A +Mb cited by Aitken (Lick Obs. Bull. 3, 147, 1905)
HJ_1906A Ma - Herschel, J.F.W. 1906MmRAS..56....1L
HJ_1906A +Mb cited by Lewis (MemRAS 56, 1, 1906)
HJ_1906B Ma - Herschel, J.F.W. 1906QB821.B972.....
HJ_1906B +Mb cited in BDS (Burnham Double Star Cat.), 1906
HJ_1927A Mb - Herschel, J.F.W. 1927sdsc.book......
HJ_1927A cited in SDS (Southern Double Star Catalog), 1927
HJ_1932A Mb - Herschel, J.F.W. 1932QB821.A43......
HJ_1932A cited in ADS (Aitken Double Star Cat.), 1932
HJ_9999 M j Herschel, J.F.W. ...................
HJ_9999 +Ma Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20270+3329 HJ 1515 1999 9 27 14.9 9.31 11.28 F2 D 202701.23+332840.7
20270+3329 HJ 1515 2002 10 27 15.1 9.31 11.28 F2 D 202701.23+332840.7
20270+3329 HJ 1515 2013 11 25 15.7 9.31 11.28 F2 202701.23+332840.7
20270+3329 HJ 1515 2015 13 27 15.3 9.31 11.28 F2 202701.23+332840.7

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

 
 
WDS 20270+3329 HJ 1515 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20270+3329 HJ 1515 : MEASURES
 
 
No records found.

 
 
WDS 20270+3329 : VIRTUAL EYEPIECE
 
 

20270+3329 HJ 1515A mag 9.31 Sp F2 20270+3329 HJ 1515B sep 14.8 P.A. 22.80 mag 11.28 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 20270+3329 : ALADIN DSS IMAGE @ 20h 27m 01.23s +33° 28' 40.7"
 
 
 
 
WDS 20270+3329 HJ 1515 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20270+3329 HJ 1515 distance=0' 20269+3329 CRB 134 distance=2' 20265+3331 COU1954 distance=6' 20271+3322 J 788 distance=6' 20283+3325 TDT2307 distance=17' 20284+3327 GRV 343 distance=19' 20256+3350 COU1952 distance=28' 20281+3353 COU1956 distance=28' 20273+3357 COU1955 distance=29' 20251+3304 ES 2353 distance=33' 20250+3357 TDT2251 distance=38' 20300+3333 HEI 584 distance=39' 20240+3312 TDS1069 distance=41' 20240+3309 NSN 3AB distance=43' 20249+3404 A 290 distance=44' 20251+3408 COU1951 distance=46' 20265+3414 TDT2271 distance=46' 20260+3414 COU1953 distance=47' 20295+3254 TDT2321 distance=47' 20256+3245 GRV 340 distance=47' 20233+3338 J 1231 distance=48' 20231+3342 COU1949 distance=52' 20311+3333 COU1962 distance=52' 20233+3351 J 786 distance=53' 20313+3337 ES 2354 distance=55' 20266+3424 TDT2274 distance=56' 20287+3423 COU1957 distance=59' 20302+3245 J 843 distance=59' 20223+3326 OSO 124AB distance=60' 20223+3326 OSO 124AC distance=60' 20223+3326 OSO 124AD distance=60' 20223+3326 OSO 124AE distance=60' 20223+3326 OSO 124AF distance=60' 20315+3347 LAF 62AB distance=60' 20315+3347 LAF 62AC distance=60' 20315+3347 LAF 62AD distance=60' 20315+3347 LAF 62AE distance=60' 20315+3347 LAF 62AF distance=60' 20315+3347 LAF 62AG distance=60' 20315+3347 LAF 62AH distance=60' 20315+3347 LAF 62AI distance=60' 20315+3347 LAF 62AJ distance=60' 20315+3347 LAF 62AK distance=60' 20315+3347 LAF 62AL distance=60' 20315+3347 LAF 62AM distance=60' 20315+3347 LAF 62AN distance=60' 20315+3347 LAF 62AO distance=60' 20315+3347 LAF 62AP distance=60' 20315+3347 LAF 62AQ distance=60' 20315+3347 LAF 62AR distance=60' 20315+3347 LAF 62AS distance=60' 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 20270+3329 HJ 1515 27 15.3
Show 20269+3329 CRB 134 285 10.1 2
Show 20265+3331 COU1954 350 0.5 6
Show 20271+3322 J 788 345 4.0 6
Show 20283+3325 TDT2307 270 1.8 17
Show 20284+3327 GRV 343 168 44.1 19
Show 20256+3350 COU1952 233 1.6 28
Show 20281+3353 COU1956 239 0.4 28
Show 20273+3357 COU1955 350 0.4 29
Show 20251+3304 ES 2353 152 1.8 33
Show 20250+3357 TDT2251 331 0.4 38
Show 20300+3333 HEI 584 44 3.5 39
Show 20240+3312 TDS1069 296 0.8 41
Show 20240+3309 NSN 3 AB 14 4.8 43
Show 20249+3404 A 290 132 0.5 44
Show 20251+3408 COU1951 179 1.3 46
Show 20265+3414 TDT2271 171 1.6 46
Show 20260+3414 COU1953 163 0.8 47
Show 20295+3254 TDT2321 214 1.5 47
Show 20256+3245 GRV 340 189 31.7 47
Show 20233+3338 J 1231 82 6.4 48
Show 20231+3342 COU1949 84 0.2 52
Show 20311+3333 COU1962 294 0.3 52
Show 20233+3351 J 786 93 3.4 53
Show 20313+3337 ES 2354 313 6.7 55
Show 20266+3424 TDT2274 339 0.5 56
Show 20287+3423 COU1957 84 1.2 59
Show 20302+3245 J 843 138 4.0 59
Show 20223+3326 OSO 124 AB -1 -1.0 60
Show 20223+3326 OSO 124 AC 308 11.4 60
Show 20223+3326 OSO 124 AD 129 14.6 60
Show 20223+3326 OSO 124 AE 41 20.3 60
Show 20223+3326 OSO 124 AF 228 23.1 60
Show 20315+3347 LAF 62 AB 341 2.0 60
Show 20315+3347 LAF 62 AC 51 2.4 60
Show 20315+3347 LAF 62 AD 289 3.8 60
Show 20315+3347 LAF 62 AE 138 3.8 60
Show 20315+3347 LAF 62 AF 19 3.9 60
Show 20315+3347 LAF 62 AG 202 4.4 60
Show 20315+3347 LAF 62 AH 300 5.6 60
Show 20315+3347 LAF 62 AI 50 6.0 60
Show 20315+3347 LAF 62 AJ 233 6.6 60
Show 20315+3347 LAF 62 AK 156 6.7 60
Show 20315+3347 LAF 62 AL 255 6.7 60
Show 20315+3347 LAF 62 AM 10 8.0 60
Show 20315+3347 LAF 62 AN 144 8.3 60
Show 20315+3347 LAF 62 AO 72 8.3 60
Show 20315+3347 LAF 62 AP 156 8.4 60
Show 20315+3347 LAF 62 AQ 177 8.9 60
Show 20315+3347 LAF 62 AR 11 9.3 60
Show 20315+3347 LAF 62 AS 276 9.6 60

 
 
WDS 20270+3329 : COMPONENTS
 
 
  A
B pa=22.8°
sep=14.82"
 
 
20270+3329 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 202701.23+332840.7 Mag 9.31 Spectral class F2 (yellow-white)
PmRA -1.00 PmDE -14.0 Tycho2 2689-00348-1
Tycho2
Tycho2 2689-00348-1 Pflag RAmdeg 306.75510881 DEmdeg 33.47796859
PmRA -2.3 PmDE -15.6 E RAmdeg 10 E DEmdeg 10
E pmRA 1.1 E pmDE 1.1 EpRAm 1990.63 EpDEm 1990.68
Num 9 Q RAmdeg 1.1 Q DEmdeg 1.6 Q pmRA 1.2
Q pmDE 1.7 BTmag 9.698 E BTmag 0.020 VTmag 9.310
E VTmag 0.016 Prox 148 TYC T HIP
CCDM RAdeg 306.75511528 DEdeg 33.47800472 EpRA 1990 1.66
EpDE 1990 1.70 E RAdeg 9.9 E DEdeg 9.6 Posflg
Corr 0.0
CCDM
Ccdm 20270+3329 RComp Comp A Note1
Note2 Discov num DRAs 1.25 DDEs -18.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.6 Sp PmNote *
PmRA 18 PmDE -5 Dm number +33 3909 Cat1 BD
Name2 +33 1952 Cat2 AGK2/3 HD M HD
ADS BDS B10233 M ADS BDS N IDS IDS 20231N3309A
HIC
 
 
20270+3329 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 202701.69+332854.4 Mag 11.28 PmRA 6.00
PmDE 5.0 Tycho2 2689-01930-1 Calc delta mag 1.97 Calc coord yes
Tycho2
Tycho2 2689-01930-1 Pflag RAmdeg 306.75731875 DEmdeg 33.48169939
PmRA 0.0 PmDE 3.5 E RAmdeg 40 E DEmdeg 41
E pmRA 1.7 E pmDE 1.7 EpRAm 1983.90 EpDEm 1983.63
Num 6 Q RAmdeg 1.5 Q DEmdeg 1.1 Q pmRA 1.4
Q pmDE 1.1 BTmag 11.488 E BTmag 0.063 VTmag 11.278
E VTmag 0.078 Prox 148 TYC T HIP
CCDM RAdeg 306.75731917 DEdeg 33.48169306 EpRA 1990 1.69
EpDE 1990 1.66 E RAdeg 42.4 E DEdeg 43.3 Posflg
Corr 0.1
CCDM
Ccdm 20270+3329 RComp Comp B Note1
Note2 Discov num HJ 1515 DRAs DDEs
R dRAs Year 1828 Theta 024 Rho 10.0
Obs 1 Vmag 10.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B10233 M ADS BDS N IDS IDS 20231N3309B
HIC