stampa
Login

Enhance your experience with Stelle Doppie.
Register here


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
20270+4539
HJ 1518


Nearby doubles
13' : 20258+4533
TDT2263

20' : 20264+4520
KPP 472

24' : 20291+4544
BU 1135

26' : 20246+4529
HJ 1514

32' : 20281+4509
TDS1075

33' : 20277+4507
ROE 43AB

33' : 20269+4611
BRT2263

35' : 20295+4516
ES 662

36' : 20238+4525
ES 801

37' : 20300+4556
LSC 91

40' : 20293+4508
RAO 434

43' : 20282+4458
ES 661

50' : 20317+4540
HJ 1533

51' : 20223+4546
POP 144

53' : 20240+4457
ES 1331

56' : 20231+4618
TDT2226

59' : 20217+4522
BRT2261

59' : 20269+4636
KPP4199

59' : 20225+4613
A 726

62' : 20272+4437
BRT2264

64' : 20237+4632
HJ 1513

65' : 20237+4442
ES 1330

66' : 20304+4634
ES 663

67' : 20295+4437
TDT2320

69' : 20244+4641
TDT2242

69' : 20303+4439
ES 1441



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+4539 HJ 1518

 
 
20h 26m 57.68s +45° 38' 20.3" P.A. 86.00 sep 15.3 mag 10.85,11.10
 
 
Coord 2000 20270+4539 Discov num HJ 1518 Comp Coord arcsec 2000 20 26 57.68 +45 38 20.3
Date first 1828 Date last 2015 Obs 14
Pa first 87 Pa last 86.3 P.A. Now (θ) 86.3°
Sep first 10.0 Sep last 15.297 Sep. Now (ρ) 15.297"
Mag pri 10.85 Mag sec 11.10 delta mag (ΔM) 0.25 Spectral class
Pri motion ra -001 Sec motion ra -002
Pri motion dec -011 Sec motion dec -010
Notes
rPM=0.128 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3573-00001-1 Gaia DR2 2070947403815468416
 
 
WDS 20270+4539 HJ 1518 : 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+4539 HJ 1518 2003 6 87 15.3 10.85 11.10 D 202657.68+453820.3
20270+4539 HJ 1518 2010 9 86 15.2 10.85 11.10 202657.68+453820.3
20270+4539 HJ 1518 2015 10 86 15.3 10.85 11.10 202657.68+453820.3

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

 
 
WDS 20270+4539 HJ 1518 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20270+4539 HJ 1518 : MEASURES
 
 
No records found.

 
 
WDS 20270+4539 : VIRTUAL EYEPIECE
 
 

20270+4539 HJ 1518A mag 10.85 20270+4539 HJ 1518B sep 10.7 P.A. 84.70 mag 11.1 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+4539 : ALADIN DSS IMAGE @ 20h 26m 57.68s +45° 38' 20.3"
 
 
 
 
WDS 20270+4539 HJ 1518 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20270+4539 HJ 1518 distance=0' 20258+4533 TDT2263 distance=13' 20264+4520 KPP 472 distance=20' 20291+4544 BU 1135 distance=24' 20246+4529 HJ 1514 distance=26' 20281+4509 TDS1075 distance=32' 20277+4507 BKO 154CJ distance=32' 20277+4507 BKO 154EK distance=33' 20277+4507 ROE 43AB distance=33' 20277+4507 ROE 43AC distance=33' 20277+4507 ROE 43AD distance=33' 20277+4507 ROE 43AE distance=33' 20277+4507 ROE 43AF distance=33' 20277+4507 ROE 43AG distance=33' 20277+4507 BKO 154AH distance=33' 20277+4507 BKO 154AI distance=33' 20269+4611 BRT2263 distance=33' 20295+4516 ES 662 distance=35' 20238+4525 ES 801 distance=36' 20300+4556 LSC 91 distance=37' 20293+4508 RAO 434 distance=40' 20282+4458 ES 661 distance=43' 20317+4540 HJ 1533 distance=50' 20223+4546 POP 144 distance=51' 20240+4457 ES 1331 distance=53' 20231+4618 TDT2226 distance=56' 20217+4522 BRT2261 distance=59' 20269+4636 KPP4199 distance=59' 20225+4613 A 726 distance=59' 20272+4437 BRT2264 distance=62' 20237+4632 HJ 1513 distance=64' 20237+4442 ES 1330 distance=65' 20304+4634 ES 663 distance=66' 20295+4437 TDT2320 distance=67' 20244+4641 TDT2242 distance=69' 20303+4439 ES 1441 distance=69' 20338+4540 A 740 distance=73' 20305+4434 ES 1442 distance=75' 20198+4522 STT 406 distance=77' 20343+4520 ES 804AB distance=80' 20343+4520 ES 804BC distance=80' 20326+4635 ES 664 distance=82' 20202+4620 TDT2181 distance=82' 20348+4531 ES 805 distance=83' 20239+4655 PLT 9 distance=84' 20329+4636 KRV 41 distance=85' 20189+4522 ARG 37 distance=87' 20325+4644 GII 101 distance=88' 20194+4500 TDS1058 distance=88' 20322+4648 A 736AB distance=89' 20322+4648 DAM 636AC distance=89' 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+4539 HJ 1518 86 15.3
Show 20258+4533 TDT2263 330 1.4 13
Show 20264+4520 KPP 472 88 4.6 20
Show 20291+4544 BU 1135 335 1.5 24
Show 20246+4529 HJ 1514 215 11.3 26
Show 20281+4509 TDS1075 358 1.4 32
Show 20277+4507 BKO 154 CJ 331 17.9 32
Show 20277+4507 BKO 154 EK 109 4.7 33
Show 20277+4507 ROE 43 AB 317 17.4 33
Show 20277+4507 ROE 43 AC 312 52.6 33
Show 20277+4507 ROE 43 AD 271 42.4 33
Show 20277+4507 ROE 43 AE 282 82.9 33
Show 20277+4507 ROE 43 AF 336 87.1 33
Show 20277+4507 ROE 43 AG 282 102.4 33
Show 20277+4507 BKO 154 AH 224 18.4 33
Show 20277+4507 BKO 154 AI 63 24.2 33
Show 20269+4611 BRT2263 34 4.1 33
Show 20295+4516 ES 662 142 5.7 35
Show 20238+4525 ES 801 170 9.6 36
Show 20300+4556 LSC 91 19 0.3 37
Show 20293+4508 RAO 434 162 1.2 40
Show 20282+4458 ES 661 156 6.9 43
Show 20317+4540 HJ 1533 187 10.9 50
Show 20223+4546 POP 144 121 6.0 51
Show 20240+4457 ES 1331 78 1.3 53
Show 20231+4618 TDT2226 183 1.2 56
Show 20217+4522 BRT2261 272 4.5 59
Show 20269+4636 KPP4199 284 1.5 59
Show 20225+4613 A 726 276 0.5 59
Show 20272+4437 BRT2264 4 3.0 62
Show 20237+4632 HJ 1513 325 13.8 64
Show 20237+4442 ES 1330 309 3.6 65
Show 20304+4634 ES 663 110 5.0 66
Show 20295+4437 TDT2320 223 0.7 67
Show 20244+4641 TDT2242 343 0.7 69
Show 20303+4439 ES 1441 127 2.0 69
Show 20338+4540 A 740 313 0.8 73
Show 20305+4434 ES 1442 265 2.7 75
Show 20198+4522 STT 406 100 0.3 77
Show 20343+4520 ES 804 AB 117 30.8 80
Show 20343+4520 ES 804 BC 128 2.2 80
Show 20326+4635 ES 664 55 9.0 82
Show 20202+4620 TDT2181 132 0.6 82
Show 20348+4531 ES 805 152 7.9 83
Show 20239+4655 PLT 9 27 4.4 84
Show 20329+4636 KRV 41 172 19.6 85
Show 20189+4522 ARG 37 194 14.1 87
Show 20325+4644 GII 101 289 0.4 88
Show 20194+4500 TDS1058 250 1.4 88
Show 20322+4648 A 736 AB 349 0.6 89
Show 20322+4648 DAM 636 AC 106 17.0 89

 
 
WDS 20270+4539 : COMPONENTS
 
 
  A
B pa=84.7°
sep=10.72"
 
 
20270+4539 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 202657.68+453820.3 Mag 10.85 PmRA -1.00
PmDE -11.0 Tycho2 3573-00001-1
Tycho2
Tycho2 3573-00001-1 Pflag RAmdeg 306.74035378 DEmdeg 45.63900010
PmRA 0.3 PmDE -11.1 E RAmdeg 27 E DEmdeg 27
E pmRA 1.6 E pmDE 1.5 EpRAm 1986.39 EpDEm 1986.11
Num 4 Q RAmdeg 0.7 Q DEmdeg 1.0 Q pmRA 0.8
Q pmDE 1.1 BTmag 11.260 E BTmag 0.053 VTmag 10.846
E VTmag 0.057 Prox 999 TYC T HIP
CCDM RAdeg 306.74036056 DEdeg 45.63902667 EpRA 1990 1.60
EpDE 1990 1.70 E RAdeg 33.6 E DEdeg 33.8 Posflg
Corr 0.0
 
 
20270+4539 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 202658.70+453821.3 Mag 11.1 PmRA -2.00
PmDE -10.0 Calc delta mag 0.25 Calc coord yes