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Doubles in session


Current system
18554-0007
HJ 871


Nearby doubles
22' : 18568+0013
RST5458

29' : 18562-0034
BU 972AB

32' : 18570-0027
BAL 899

35' : 18569-0034
J 472AB

39' : 18571-0036
BAL 900

40' : 18528+0006
BAL 895

43' : 18563-0048
A 1171AB

44' : 18562-0050
BAL 897AB

53' : 18582+0040
LDS5869

68' : 18541+0112
RST5457

69' : 18597-0019
J 1754AB

70' : 18512-0037
A 860

70' : 18583+0102
J 1268

72' : 18544-0103
A 861

79' : 18573+0121
J 2158

83' : 19008-0027
HJ 874AB

87' : 18546-0118
A 862

89' : 18526-0108
J 2239AB

91' : 18557-0123
TDT1130AB

97' : 18490+0018
A 2263

99' : 18596+0123
RST5459

101' : 18553-0139
BAL 587

102' : 19014-0056
GII 67

103' : 19014-0057
TDS 959

108' : 18545+0154
STTA176AB

110' : 19021-0049
TDT1192



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.

18554-0007 HJ 871

 
 
18h 55m 24.57s -00° 07' 31.5" P.A. 49.00 sep 12.6 mag 11.17,13.20
 
 
Coord 2000 18554-0007 Discov num HJ  871 Comp Coord arcsec 2000 18 55 24.57 -00 07 31.5
Date first 1827 Date last 2015 Obs 14
Pa first 48 Pa last 49 P.A. Now (θ) 49°
Sep first 5.0 Sep last 12.558 Sep. Now (ρ) 12.558"
Mag pri 11.17 Mag sec 13.20 delta mag (ΔM) 2.03 Spectral class
Pri motion ra +010 Sec motion ra +007
Pri motion dec +006 Sec motion dec +006
Notes
rPM=0.257 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquila
 
 
WDS 18554-0007 HJ 871 : 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
18554-0007 HJ 871 1999 3 49 12.5 11.17 13.20 D 185524.57-000731.5
18554-0007 HJ 871 2004 6 49 12.5 11.17 13.20 D 185524.57-000731.5
18554-0007 HJ 871 2010 9 46 12.0 11.17 13.20 185524.57-000731.5
18554-0007 HJ 871 2015 9 49 12.6 11.17 13.20 185524.57-000731.5

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

 
 
WDS 18554-0007 HJ 871 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18554-0007 HJ 871 : MEASURES
 
 
No records found.

 
 
WDS 18554-0007 : VIRTUAL EYEPIECE
 
 

18554-0007 HJ 871A mag 11.17 18554-0007 HJ 871B sep 12.6 P.A. 49.00 mag 13.2 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 18554-0007 : ALADIN DSS IMAGE @ 18h 55m 24.57s -00° 07' 31.5"
 
 
 
 
WDS 18554-0007 HJ 871 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18554-0007 HJ 871 distance=1' 18568+0013 RST5458 distance=22' 18562-0034 BU 972AB distance=29' 18562-0034 BU 972AC distance=29' 18570-0027 BAL 899 distance=32' 18569-0034 J 472AB distance=35' 18569-0034 J 2682AC distance=35' 18571-0036 BAL 900 distance=39' 18528+0006 BAL 895 distance=40' 18563-0048 A 1171AB distance=43' 18563-0048 STF2414AC distance=43' 18562-0050 BAL 897AB distance=44' 18562-0050 BAL 897AC distance=44' 18582+0040 LDS5869 distance=53' 18541+0112 RST5457 distance=68' 18597-0019 J 1754AB distance=69' 18597-0019 J 1754AC distance=69' 18512-0037 A 860 distance=70' 18583+0102 J 1268 distance=70' 18544-0103 A 861 distance=72' 18573+0121 J 2158 distance=79' 19008-0027 HJ 874AB distance=83' 19008-0027 HJ 874AC distance=83' 18546-0118 A 862 distance=87' 18526-0108 J 2239AB distance=89' 18526-0108 J 2239BC distance=89' 18557-0123 TDT1130AB distance=91' 18490+0018 A 2263 distance=97' 18596+0123 RST5459 distance=99' 18553-0139 BAL 587 distance=101' 19014-0056 GII 67 distance=102' 19014-0057 TDS 959 distance=103' 18545+0154 STTA176BD distance=107' 18545+0154 STTA176AB distance=108' 18545+0154 STTA176AC distance=108' 19021-0049 TDT1192 distance=110' 18545+0154 STTA176CD distance=110' 19027-0027 J 475AB distance=110' 19027-0027 J 475AC distance=110' 19027-0027 J 475AD distance=110' 19027-0043 STF2434A,BC distance=116' 19027-0043 STF2434BC distance=116' 18590-0139 BAL 588 distance=120' 19037-0004 WSI 160BC distance=125' 19037-0004 BAL 902AB distance=125' 19037-0004 WSI 160AC distance=125' 19037-0024 J 476 distance=127' 18588+0207 MIL 6 distance=130' 18526+0212 TDS 951 distance=132' 18488-0120 BAL 585 distance=133' 18484-0115 BAL 584 distance=135' 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 18554-0007 HJ 871 49 12.6 1
Show 18568+0013 RST5458 322 0.8 22
Show 18562-0034 BU 972 AB 2 1.1 29
Show 18562-0034 BU 972 AC 13 74.0 29
Show 18570-0027 BAL 899 197 10.3 32
Show 18569-0034 J 472 AB 120 5.0 35
Show 18569-0034 J 2682 AC 13 19.1 35
Show 18571-0036 BAL 900 18 16.4 39
Show 18528+0006 BAL 895 149 3.6 40
Show 18563-0048 A 1171 AB 80 0.9 43
Show 18563-0048 STF2414 AC 278 17.1 43
Show 18562-0050 BAL 897 AB 168 13.6 44
Show 18562-0050 BAL 897 AC 166 14.2 44
Show 18582+0040 LDS5869 310 3.8 53
Show 18541+0112 RST5457 209 1.7 68
Show 18597-0019 J 1754 AB 246 9.1 69
Show 18597-0019 J 1754 AC 356 8.1 69
Show 18512-0037 A 860 258 0.1 70
Show 18583+0102 J 1268 191 1.7 70
Show 18544-0103 A 861 344 1.6 72
Show 18573+0121 J 2158 62 6.1 79
Show 19008-0027 HJ 874 AB 345 10.5 83
Show 19008-0027 HJ 874 AC 299 25.3 83
Show 18546-0118 A 862 161 4.4 87
Show 18526-0108 J 2239 AB 227 24.1 89
Show 18526-0108 J 2239 BC 305 8.4 89
Show 18557-0123 TDT1130 AB 143 0.5 91
Show 18490+0018 A 2263 103 1.5 97
Show 18596+0123 RST5459 359 0.7 99
Show 18553-0139 BAL 587 218 6.8 101
Show 19014-0056 GII 67 188 5.2 102
Show 19014-0057 TDS 959 320 0.8 103
Show 18545+0154 STTA176 BD 358 150.2 107
Show 18545+0154 STTA176 AB 112 94.3 108
Show 18545+0154 STTA176 AC 4 155.5 108
Show 19021-0049 TDT1192 314 0.5 110
Show 18545+0154 STTA176 CD 119 82.0 110
Show 19027-0027 J 475 AB 276 3.1 110
Show 19027-0027 J 475 AC 326 33.8 110
Show 19027-0027 J 475 AD 269 17.1 110
Show 19027-0043 STF2434 A,BC 88 27.8 116
Show 19027-0043 STF2434 BC 257 0.8 116
Show 18590-0139 BAL 588 317 9.9 120
Show 19037-0004 WSI 160 BC 226 5.1 125
Show 19037-0004 BAL 902 AB 348 10.6 125
Show 19037-0004 WSI 160 AC 319 9.0 125
Show 19037-0024 J 476 294 4.8 127
Show 18588+0207 MIL 6 87 0.5 130
Show 18526+0212 TDS 951 113 0.7 132
Show 18488-0120 BAL 585 149 4.6 133
Show 18484-0115 BAL 584 218 12.2 135

 
 
WDS 18554-0007 : COMPONENTS
 
 
  A
B pa=49.0°
sep=12.56"
 
 
18554-0007 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 185524.57-000731.5 Mag 11.17 PmRA 10.00
PmDE 6.0
 
 
18554-0007 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 185525.20+000739.7 Mag 13.2 PmRA 7.00
PmDE 6.0 Calc delta mag 2.03 Calc coord yes