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Current system
22494+4528
HJ 1815


Nearby doubles
9' : 22497+4535
TDT3730AB

10' : 22487+4526
KPP3386

12' : 22485+4524
ARN 99

23' : 22478+4539
TDT3709

30' : 22476+4549
TDT3708

35' : 22492+4453
TDT3728

36' : 22525+4543
SMA 180AB

37' : 22473+4555
TDT3706

39' : 22513+4559
SMA 179

42' : 22456+4524
LDS4995AB

43' : 22533+4541
TDT3769

46' : 22528+4456
TDS1193

49' : 22470+4446
A 189AB

50' : 22483+4615
TDT3714

52' : 22504+4436
TDT3741

53' : 22499+4620
HJ 1816

54' : 22457+4602
TDT3694

54' : 22545+4541
TDT3779

55' : 22445+4513
HDS3228

56' : 22444+4516
TDT3681

61' : 22537+4445
BU 382AB

61' : 22451+4449
HJ 1806

64' : 22483+4629
TDT3713

64' : 22453+4612
J 3179

68' : 22460+4624
TDT3695

69' : 22558+4508
SMA 181



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.

22494+4528 HJ 1815

 
 
22h 49m 32.87s +45° 27' 06.9" P.A. 31.00 sep 10.1 mag 11.11,10.79
 
 
Coord 2000 22494+4528 Discov num HJ 1815 Comp Coord arcsec 2000 22 49 32.87 +45 27 06.9
Date first 1828 Date last 2016 Obs 14
Pa first 30 Pa last 30.9 P.A. Now (θ) 30.9°
Sep first 5.0 Sep last 10.051 Sep. Now (ρ) 10.051"
Mag pri 11.11 Mag sec 10.79 delta mag (ΔM) 0.32 Spectral class
Pri motion ra -026 Sec motion ra -027
Pri motion dec -025 Sec motion dec -024
Notes
rPM=0.039 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Lacerta Tycho2 3621-00350-1 Gaia DR2 1983850719781859072
 
 
WDS 22494+4528 HJ 1815 : 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
22494+4528 HJ 1815 2006 5 31 10.1 11.11 11.40 D 224932.87+452706.9
22494+4528 HJ 1815 2016 8 32 10.1 11.11 10.79 224932.87+452706.9

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

 
 
WDS 22494+4528 HJ 1815 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 22494+4528 HJ 1815 : MEASURES
 
 
No records found.

 
 
WDS 22494+4528 : VIRTUAL EYEPIECE
 
 

22494+4528 HJ 1815A mag 11.11 22494+4528 HJ 1815B sep 9.3 P.A. 22.80 mag 10.79 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 22494+4528 : ALADIN DSS IMAGE @ 22h 49m 32.87s +45° 27' 06.9"
 
 
 
 
WDS 22494+4528 HJ 1815 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

22494+4528 HJ 1815 distance=1' 22497+4535 TDT3730AB distance=9' 22487+4526 KPP3386 distance=10' 22485+4524 ARN 99 distance=12' 22478+4539 TDT3709 distance=23' 22476+4549 TDT3708 distance=30' 22492+4453 TDT3728 distance=35' 22525+4543 SMA 180AB distance=36' 22525+4543 SMA 180AC distance=36' 22473+4555 TDT3706 distance=37' 22513+4559 SMA 179 distance=39' 22456+4524 HDS3231Aa,Ab distance=42' 22456+4524 LDS4995AB distance=42' 22533+4541 TDT3769 distance=43' 22528+4456 TDS1193 distance=46' 22470+4446 A 189AB distance=49' 22470+4446 A 189AC distance=49' 22483+4615 TDT3714 distance=50' 22504+4436 TDT3741 distance=52' 22499+4620 HJ 1816 distance=53' 22457+4602 TDT3694 distance=54' 22545+4541 TDT3779 distance=54' 22445+4513 HDS3228 distance=55' 22444+4516 TDT3681 distance=56' 22537+4445 BU 382AB distance=61' 22537+4445 HJ 1828AB,C distance=61' 22451+4449 HJ 1806 distance=61' 22483+4629 TDT3713 distance=64' 22453+4612 J 3179 distance=64' 22460+4624 TDT3695 distance=68' 22558+4508 SMA 181 distance=69' 22430+4540 TDT3673 distance=70' 22549+4445 TDT3785 distance=71' 22435+4602 STT 477AB distance=72' 22435+4602 STT 477AC distance=72' 22468+4420 HER 5BC distance=73' 22541+4433 HDS3256 distance=73' 22468+4420 HER 5AB distance=74' 22468+4420 HER 5AC distance=74' 22468+4420 TNN 17AD distance=74' 22468+4420 TNN 17AE distance=74' 22435+4602 STT 477CD distance=75' 22426+4550 COU2336 distance=77' 22557+4445 DAM 822AB distance=78' 22557+4445 DAM 822BC distance=78' 22430+4443 ES 1348 distance=83' 22551+4427 HDS3260 distance=84' 22530+4411 ES 1472 distance=84' 22416+4533 BVD 277 distance=84' 22511+4405 A 415 distance=84' 22564+4443 COU2144 distance=86' 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 22494+4528 HJ 1815 31 10.1 1
Show 22497+4535 TDT3730 AB 124 0.5 9
Show 22487+4526 KPP3386 112 25.7 10
Show 22485+4524 ARN 99 229 37.5 12
Show 22478+4539 TDT3709 61 1.8 23
Show 22476+4549 TDT3708 149 0.6 30
Show 22492+4453 TDT3728 1 2.3 35
Show 22525+4543 SMA 180 AB 328 14.7 36
Show 22525+4543 SMA 180 AC 300 14.1 36
Show 22473+4555 TDT3706 78 0.9 37
Show 22513+4559 SMA 179 251 10.9 39
Show 22456+4524 HDS3231 Aa,Ab 341 1.0 42
Show 22456+4524 LDS4995 AB 10 5.2 42
Show 22533+4541 TDT3769 264 0.7 43
Show 22528+4456 TDS1193 129 1.1 46
Show 22470+4446 A 189 AB 26 1.0 49
Show 22470+4446 A 189 AC 124 24.6 49
Show 22483+4615 TDT3714 108 0.5 50
Show 22504+4436 TDT3741 281 0.5 52
Show 22499+4620 HJ 1816 134 7.0 53
Show 22457+4602 TDT3694 195 0.6 54
Show 22545+4541 TDT3779 224 0.5 54
Show 22445+4513 HDS3228 348 0.2 55
Show 22444+4516 TDT3681 283 2.9 56
Show 22537+4445 BU 382 AB 244 0.7 61
Show 22537+4445 HJ 1828 AB,C 29.3 61
Show 22451+4449 HJ 1806 334 7.1 61
Show 22483+4629 TDT3713 342 2.0 64
Show 22453+4612 J 3179 133 6.4 64
Show 22460+4624 TDT3695 356 0.4 68
Show 22558+4508 SMA 181 280 9.7 69
Show 22430+4540 TDT3673 317 0.4 70
Show 22549+4445 TDT3785 69 1.7 71
Show 22435+4602 STT 477 AB 262 22.5 72
Show 22435+4602 STT 477 AC 344 183.1 72
Show 22468+4420 HER 5 BC 254 1.2 73
Show 22541+4433 HDS3256 295 0.6 73
Show 22468+4420 HER 5 AB 48 37.5 74
Show 22468+4420 HER 5 AC 46 29.7 74
Show 22468+4420 TNN 17 AD 116 5.8 74
Show 22468+4420 TNN 17 AE 176 6.5 74
Show 22435+4602 STT 477 CD 127 10.3 75
Show 22426+4550 COU2336 31 0.5 77
Show 22557+4445 DAM 822 AB 163 10.9 78
Show 22557+4445 DAM 822 BC 102 3.2 78
Show 22430+4443 ES 1348 101 2.5 83
Show 22551+4427 HDS3260 332 0.1 84
Show 22530+4411 ES 1472 34 2.4 84
Show 22416+4533 BVD 277 174 9.6 84
Show 22511+4405 A 415 331 4.3 84
Show 22564+4443 COU2144 156 0.9 86

 
 
WDS 22494+4528 : COMPONENTS
 
 
  A
B pa=22.8°
sep=9.35"
 
 
22494+4528 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 224932.87+452706.9 Mag 11.11 PmRA -26.00
PmDE -25.0 Tycho2 3621-00350-1
Tycho2
Tycho2 3621-00350-1 Pflag RAmdeg 342.38699572 DEmdeg 45.45192052
PmRA -23.6 PmDE -26.6 E RAmdeg 38 E DEmdeg 34
E pmRA 2.5 E pmDE 2.3 EpRAm 1989.09 EpDEm 1989.53
Num 2 Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 11.966 E BTmag 0.074 VTmag 11.110
E VTmag 0.053 Prox 999 TYC T HIP
CCDM RAdeg 342.38707361 DEdeg 45.45198167 EpRA 1990 1.62
EpDE 1990 1.73 E RAdeg 39.1 E DEdeg 33.8 Posflg
Corr 0.1
 
 
22494+4528 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 224933.21+452715.5 Mag 10.79 PmRA -27.00
PmDE -24.0 Calc delta mag 0.32 Calc coord yes