stampa
Login

Filter only those doubles you can observe? Yes, you can!
Register here


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
20447-0511
HJ 924


Nearby doubles
25' : 20458-0454
UC 4282AB

36' : 20468-0527
KPP 478

44' : 20419-0458
RST4676

48' : 20456-0426
OCC9021

48' : 20439-0557
RST4679

61' : 20418-0430
HJ 921

61' : 20428-0418
UC 4265

64' : 20469-0417
J 1709

65' : 20417-0424
BU 267

71' : 20411-0558
BAR9004

73' : 20482-0601
TOK 341

76' : 20473-0408
LDS4858

80' : 20481-0410
J 1710

81' : 20440-0631
GRV1138

84' : 20474-0359
TDT2540

87' : 20404-0610
CVR 229

90' : 20507-0529
BRT 507

95' : 20423-0344
KPP 476

95' : 20453-0646
RST4680

95' : 20390-0555
GWP2977

98' : 20393-0609
BRT 555

101' : 20392-0609
RAS 31

101' : 20452-0331
AHD 28

101' : 20455-0332
AHD 29

103' : 20421-0336
RST4677

104' : 20475-0646
SKF1769



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.

20447-0511 HJ 924

 
 
20h 44m 39.86s -05° 11' 29.5" P.A. 85.00 sep 8.1 mag 10.98,11.60
 
 
Coord 2000 20447-0511 Discov num HJ  924 Comp Coord arcsec 2000 20 44 39.86 -05 11 29.5
Date first 1827 Date last 2016 Obs 13
Pa first 90 Pa last 84.7 P.A. Now (θ) 84.7°
Sep first 3.0 Sep last 8.113 Sep. Now (ρ) 8.113"
Mag pri 10.98 Mag sec 11.60 delta mag (ΔM) 0.62 Spectral class
Pri motion ra +014 Sec motion ra
Pri motion dec +069 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquarius Tycho2 5185-01996-1 Gaia DR2 6914219673736137728
 
 
WDS 20447-0511 HJ 924 : 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
20447-0511 HJ 924 1998 4 85 8.1 10.98 11.60 D 204439.86-051129.5
20447-0511 HJ 924 2000 6 85 8.1 10.98 11.60 D 204439.86-051129.5
20447-0511 HJ 924 2015 8 85 8.1 10.98 11.60 204439.86-051129.5
20447-0511 HJ 924 2016 13 85 8.1 10.98 11.60 204439.86-051129.5

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

 
 
WDS 20447-0511 HJ 924 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20447-0511 HJ 924 : MEASURES
 
 
No records found.

 
 
WDS 20447-0511 : VIRTUAL EYEPIECE
 
 

20447-0511 HJ 924A mag 10.98 20447-0511 HJ 924B sep 8.1 P.A. 84.70 mag 11.6 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 20447-0511 : ALADIN DSS IMAGE @ 20h 44m 39.86s -05° 11' 29.5"
 
 
 
 
WDS 20447-0511 HJ 924 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20447-0511 HJ 924 distance=0' 20458-0454 UC 4282AB distance=25' 20468-0527 KPP 478 distance=36' 20419-0458 RST4676 distance=44' 20456-0426 OCC9021 distance=48' 20439-0557 RST4679 distance=48' 20418-0430 HJ 921 distance=61' 20428-0418 UC 4265 distance=61' 20469-0417 J 1709 distance=64' 20417-0424 BU 267 distance=65' 20411-0558 BAR9004 distance=71' 20482-0601 TOK 341 distance=73' 20473-0408 LDS4858 distance=76' 20481-0410 J 1710 distance=80' 20440-0631 GRV1138 distance=81' 20474-0359 TDT2540 distance=84' 20404-0610 CVR 229 distance=87' 20507-0529 BRT 507 distance=90' 20423-0344 KPP 476 distance=95' 20453-0646 RST4680 distance=95' 20390-0555 GWP2977 distance=95' 20393-0609 BRT 555 distance=98' 20392-0609 RAS 31 distance=101' 20452-0331 AHD 28 distance=101' 20455-0332 AHD 29 distance=101' 20421-0336 RST4677 distance=103' 20475-0646 SKF1769 distance=104' 20405-0349 RST4674 distance=104' 20514-0538 STF2729AB distance=105' 20514-0538 STF2729AC distance=105' 20514-0538 STF2729AD distance=105' 20417-0646 CVR 872 distance=106' 20482-0648 RST4681 distance=110' 20424-0323 RST4678 distance=114' 20512-0401 UC 4308 distance=121' 20525-0438 TDS1106 distance=122' 20502-0640 FMR 19 distance=122' 20372-0523 J 2316 distance=122' 20375-0614 BRT 504 distance=125' 20455-0716 A 3000 distance=125' 20531-0450 GWP3010 distance=128' 20364-0550 HO 279 distance=130' 20447-0721 A 2999 distance=130' 20369-0416 LDS1475 distance=130' 20463-0258 LDS 724 distance=137' 20481-0302 A 174 distance=140' 20366-0622 CVR 871 distance=140' 20432-0733 TDS1093 distance=144' 20482-0255 TDT2549 distance=146' 20492-0302 RST4682 distance=146' 20351-0436 RST4671 distance=148' 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 20447-0511 HJ 924 85 8.1
Show 20458-0454 UC 4282 AB 209 41.1 25
Show 20468-0527 KPP 478 273 3.8 36
Show 20419-0458 RST4676 188 0.3 44
Show 20456-0426 OCC9021 273 0.0 48
Show 20439-0557 RST4679 356 0.3 48
Show 20418-0430 HJ 921 220 9.4 61
Show 20428-0418 UC 4265 32 50.1 61
Show 20469-0417 J 1709 216 8.3 64
Show 20417-0424 BU 267 237 1.9 65
Show 20411-0558 BAR9004 266 3.2 71
Show 20482-0601 TOK 341 261 391.4 73
Show 20473-0408 LDS4858 11 17.3 76
Show 20481-0410 J 1710 205 8.5 80
Show 20440-0631 GRV1138 50 33.2 81
Show 20474-0359 TDT2540 63 0.6 84
Show 20404-0610 CVR 229 73 35.1 87
Show 20507-0529 BRT 507 69 9.2 90
Show 20423-0344 KPP 476 141 3.9 95
Show 20453-0646 RST4680 235 0.1 95
Show 20390-0555 GWP2977 142 108.2 95
Show 20393-0609 BRT 555 266 2.9 98
Show 20392-0609 RAS 31 142 0.5 101
Show 20452-0331 AHD 28 307 37.4 101
Show 20455-0332 AHD 29 137 20.9 101
Show 20421-0336 RST4677 122 4.4 103
Show 20475-0646 SKF1769 244 2.0 104
Show 20405-0349 RST4674 118 5.1 104
Show 20514-0538 STF2729 AB 35 0.7 105
Show 20514-0538 STF2729 AC 311 74.3 105
Show 20514-0538 STF2729 AD 324 137.3 105
Show 20417-0646 CVR 872 20 20.3 106
Show 20482-0648 RST4681 243 0.3 110
Show 20424-0323 RST4678 349 2.8 114
Show 20512-0401 UC 4308 49 15.9 121
Show 20525-0438 TDS1106 252 1.4 122
Show 20502-0640 FMR 19 333 4.2 122
Show 20372-0523 J 2316 54 12.7 122
Show 20375-0614 BRT 504 329 3.9 125
Show 20455-0716 A 3000 64 0.7 125
Show 20531-0450 GWP3010 318 68.5 128
Show 20364-0550 HO 279 184 7.7 130
Show 20447-0721 A 2999 221 2.1 130
Show 20369-0416 LDS1475 259 21.2 130
Show 20463-0258 LDS 724 135 74.9 137
Show 20481-0302 A 174 357 0.6 140
Show 20366-0622 CVR 871 295 23.9 140
Show 20432-0733 TDS1093 33 0.9 144
Show 20482-0255 TDT2549 181 2.0 146
Show 20492-0302 RST4682 2 0.9 146
Show 20351-0436 RST4671 48 0.7 148

 
 
WDS 20447-0511 : COMPONENTS
 
 
  A
B pa=84.7°
sep=8.08"
 
 
20447-0511 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204439.86-051129.5 Mag 10.98 PmRA 14.00
PmDE 69.0 Tycho2 5185-01996-1
Tycho2
Tycho2 5185-01996-1 Pflag RAmdeg 311.16609542 DEmdeg -5.19153421
PmRA 13.0 PmDE 70.4 E RAmdeg 33 E DEmdeg 45
E pmRA 2.1 E pmDE 2.3 EpRAm 1989.19 EpDEm 1986.88
Num 3 Q RAmdeg 0.5 Q DEmdeg 1.9 Q pmRA 0.5
Q pmDE 1.9 BTmag 11.473 E BTmag 0.063 VTmag 10.979
E VTmag 0.064 Prox 999 TYC T HIP
CCDM RAdeg 311.16606528 DEdeg -5.19170583 EpRA 1990 1.66
EpDE 1990 1.22 E RAdeg 33.4 E DEdeg 45.8 Posflg
Corr -0.2
 
 
20447-0511 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204440.40-051128.8 Mag 11.6 Calc delta mag 0.62
Calc coord yes