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Doubles in session


Current system
20440+0049
HJ 923


Nearby doubles
10' : 20433+0059
SLN 39

18' : 20441+0044
BAL1218

22' : 20425+0100
TDT2487

35' : 20445+0029
BAL1219

38' : 20414+0105
GWP2985

45' : 20454+0023
A 876

50' : 20420+0021
UC 4262

51' : 20435+0011
GRV1233

52' : 20409-0036
A 874

53' : 20434-0012
J 3346

54' : 20409+0128
BAL1568

55' : 20475+0105
BAL1220

57' : 20416+0017
UC 4258AB

59' : 20403+0041
A 2284

60' : 20414+0147
BAL1570

61' : 20400+0118
A 2283AB

63' : 20418+0156
GWP2986

64' : 20481+0053
CVR 873

64' : 20434+0204
GWP2989

64' : 20472+0021
CBL 529

64' : 20405-0023
SKF1768

65' : 20455+0201
BAL1571

70' : 20486-0055
BAL 616

70' : 20393+0112
BAL1217

75' : 20396+0025
UC 4246

75' : 20394+0029
HJ 2984AB



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.

20440+0049 HJ 923

 
 
20h 43m 54.96s +01° 01' 24.7" P.A. 62.00 sep 7.0 mag 13.00,14.00
 
 
Coord 2000 20440+0049 Discov num HJ  923 Comp Coord arcsec 2000 20 43 54.96 +01 01 24.7
Date first 1827 Date last 2015 Obs 8
Pa first 60 Pa last 62.2 P.A. Now (θ) 62.2°
Sep first 4.0 Sep last 7.017 Sep. Now (ρ) 7.017"
Mag pri 13.00 Mag sec 14.00 delta mag (ΔM) 1 Spectral class
Pri motion ra -001 Sec motion ra
Pri motion dec -013 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquarius Gaia DR2 4228299203020819968
 
 
WDS 20440+0049 HJ 923 : 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
20440+0049 HJ 923 1820 1 60 4.0 13.00 14.00
20440+0049 HJ 923 1827 1 60 4.0 13.00 14.00
20440+0049 HJ 923 2000 2 64 7.1 13.00 14.00 204354.96+010124.7
20440+0049 HJ 923 2015 5 62 7.0 13.00 14.00 204354.96+010124.7

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

 
 
WDS 20440+0049 HJ 923 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20440+0049 HJ 923 : MEASURES
 
 
No records found.

 
 
WDS 20440+0049 : VIRTUAL EYEPIECE
 
 

20440+0049 HJ 923A mag 13 20440+0049 HJ 923B sep 7.0 P.A. 62.20 mag 14 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 20440+0049 : ALADIN DSS IMAGE @ 20h 43m 54.96s +01° 01' 24.7"
 
 
 
 
WDS 20440+0049 HJ 923 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20440+0049 HJ 923 distance=0' 20433+0059 SLN 39 distance=10' 20441+0044 BAL1218 distance=18' 20425+0100 TDT2487 distance=22' 20445+0029 BAL1219 distance=35' 20414+0105 GWP2985 distance=38' 20454+0023 A 876 distance=45' 20420+0021 UC 4262 distance=50' 20435+0011 GRV1233 distance=51' 20409-0036 A 874 distance=52' 20434-0012 J 3346 distance=53' 20409+0128 BAL1568 distance=54' 20475+0105 BAL1220 distance=55' 20416+0017 UC 4258AB distance=57' 20403+0041 A 2284 distance=59' 20414+0147 BAL1570 distance=60' 20400+0118 A 2283AB distance=61' 20418+0156 GWP2986 distance=63' 20481+0053 CVR 873 distance=64' 20434+0204 GWP2989 distance=64' 20472+0021 CBL 529 distance=64' 20405-0023 SKF1768 distance=64' 20455+0201 BAL1571 distance=65' 20486-0055 BAL 616 distance=70' 20393+0112 BAL1217 distance=70' 20394+0029 FYM 187CD distance=74' 20396+0025 UC 4246 distance=75' 20394+0029 HJ 2984AB distance=75' 20394+0029 HJ 2984AC distance=75' 20394+0029 FYM 187AE distance=75' 20472-0006 BAL 924 distance=75' 20459+0211 GRV 377 distance=77' 20401-0009 GRV1232 distance=78' 20406-0002 SLW1226 distance=78' 20390-0035 BVD 131 distance=79' 20427+0217 GRV 370 distance=79' 20478+0007 SKF2612 distance=80' 20485+0143 RST5471 distance=81' 20389+0128 KPP3420 distance=81' 20419+0218 UC 252 distance=82' 20485+0012 UC 4295 distance=85' 20413+0216 BAL1569 distance=86' 20388+0202 HJ 920 distance=98' 20387+0156 J 569 distance=98' 20493+0156 OSO 136 distance=98' 20373-0039 J 2317 distance=101' 20373+0041 UC 4236 distance=101' 20495-0006 BAL 925 distance=102' 20384+0000 J 2318AB distance=102' 20384+0000 J 2318AC distance=102' 20481+0224 BAL2035 distance=103' 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 20440+0049 HJ 923 62 7.0
Show 20433+0059 SLN 39 233 19.0 10
Show 20441+0044 BAL1218 229 3.4 18
Show 20425+0100 TDT2487 302 1.1 22
Show 20445+0029 BAL1219 214 17.3 35
Show 20414+0105 GWP2985 352 30.4 38
Show 20454+0023 A 876 68 0.6 45
Show 20420+0021 UC 4262 221 44.1 50
Show 20435+0011 GRV1233 104 10.5 51
Show 20409-0036 A 874 345 1.9 52
Show 20434-0012 J 3346 106 1.8 53
Show 20409+0128 BAL1568 346 8.8 54
Show 20475+0105 BAL1220 193 21.1 55
Show 20416+0017 UC 4258 AB 3 46.5 57
Show 20403+0041 A 2284 287 4.8 59
Show 20414+0147 BAL1570 12 5.1 60
Show 20400+0118 A 2283 AB 350 2.3 61
Show 20418+0156 GWP2986 350 16.1 63
Show 20481+0053 CVR 873 324 12.3 64
Show 20434+0204 GWP2989 131 44.7 64
Show 20472+0021 CBL 529 43 49.8 64
Show 20405-0023 SKF1768 18 1.5 64
Show 20455+0201 BAL1571 307 6.8 65
Show 20486-0055 BAL 616 206 2.4 70
Show 20393+0112 BAL1217 2 7.9 70
Show 20394+0029 FYM 187 CD 122 20.2 74
Show 20396+0025 UC 4246 52 20.8 75
Show 20394+0029 HJ 2984 AB 225 65.0 75
Show 20394+0029 HJ 2984 AC 30 65.9 75
Show 20394+0029 FYM 187 AE 118 35.2 75
Show 20472-0006 BAL 924 128 15.4 75
Show 20459+0211 GRV 377 354 27.3 77
Show 20401-0009 GRV1232 144 24.2 78
Show 20406-0002 SLW1226 226 166.7 78
Show 20390-0035 BVD 131 133 30.3 79
Show 20427+0217 GRV 370 313 25.4 79
Show 20478+0007 SKF2612 63 1.0 80
Show 20485+0143 RST5471 14 0.6 81
Show 20389+0128 KPP3420 241 6.3 81
Show 20419+0218 UC 252 164 62.6 82
Show 20485+0012 UC 4295 196 69.5 85
Show 20413+0216 BAL1569 62 11.2 86
Show 20388+0202 HJ 920 213 14.1 98
Show 20387+0156 J 569 316 3.0 98
Show 20493+0156 OSO 136 109 12.8 98
Show 20373-0039 J 2317 120 6.1 101
Show 20373+0041 UC 4236 284 17.8 101
Show 20495-0006 BAL 925 175 19.7 102
Show 20384+0000 J 2318 AB 150 5.6 102
Show 20384+0000 J 2318 AC 119 14.9 102
Show 20481+0224 BAL2035 304 12.9 103

 
 
WDS 20440+0049 : COMPONENTS
 
 
  A
B pa=62.2°
sep=7.02"
 
 
20440+0049 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204354.96+010124.7 Mag 13 PmRA -1.00
PmDE -13.0
 
 
20440+0049 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204355.37+010128.0 Mag 14 Calc delta mag 1
Calc coord yes