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Doubles in session


Current system
18331-0845
HJ 5498 AC


Nearby doubles
40' : 18322-0922
BU 247

57' : 18322-0750
BU 419

58' : 18355-0929
SLE 207

64' : 18367-0811
KRV 21

66' : 18321-0741
J 2518

71' : 18368-0800
SLE 213

78' : 18381-0822
KRV 51

79' : 18311-0958
KPP2767

87' : 18322-0720
LDS 644

89' : 18271-0853
HDS2608

89' : 18285-1013
HJ 5497

92' : 18343-1015
DAM 321

102' : 18334-1026
BU 642AB

114' : 18349-0655
RST4590

118' : 18331-1042
HDS2632AB

118' : 18400-0747
STF2350

119' : 18396-0738
J 2520

120' : 18397-0737
DAM 114

121' : 18257-0816
BRT 478

124' : 18346-0643
BRT 480

126' : 18314-1048
STF2325

137' : 18362-1053
EGN 23AB

138' : 18380-0648
TOK 32AB

138' : 18423-0903
RST4594AB

140' : 18276-1039
DAM 320AB

146' : 18425-0807
BRT 483AB



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.

18331-0845 HJ 5498 AC

 
 
18h 33m 03.94s -08° 44' 56.6" P.A. 168.00 sep 25.2 mag 11.65,12.38 Sp B6III
 
 
Coord 2000 18331-0845 Discov num HJ 5498 Comp AC Coord arcsec 2000 18 33 03.94 -08 44 56.6
Date first 1922 Date last 2015 Obs 13
Pa first 169 Pa last 168.1 P.A. Now (θ) 168.1°
Sep first 24.9 Sep last 25.182 Sep. Now (ρ) 25.182"
Mag pri 11.65 Mag sec 12.38 delta mag (ΔM) 0.73 Spectral class B6III (blue-white)
Pri motion ra -004 Sec motion ra +002
Pri motion dec -007 Sec motion dec -005
Notes U (Proper motion indicates non-physical)
rPM=0.784
This double is not physical.
 
 
18331-0845 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 33 04 -08 44 57 HJ 5498 AB 2015 14 95 14.4 11.65 12.50 0.85
Show 18 33 04 -08 44 57 HJ 5498 AC 2015 13 168 25.2 11.65 12.38 0.73 <===
Show 18 33 04 -08 44 57 ABH 101 AD 2015 8 124 49.4 11.65 15.40 3.75
Show 18 33 04 -08 44 57 ABH 101 AE 2015 8 165 83.6 11.65 13.49 1.84
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Scutum Tycho2 5691-00197-1 Gaia DR2 4156384300683148672
 
 
WDS 18331-0845 HJ 5498 AC : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
AbH1961 - Abt, H.A. 1961A&AS....6...37A
AbH1961 A&AS 6, 37, 1961
AbH1962 Po j Abt, H.A. Jeffers, H., Gibson, & Sandage, A. 1962ApJ...135..429A
AbH1962 ApJ 135, 429, 1962
AbH1964 - AbT, H.A. et al. 1964ApJ...139.1139A
AbH1964 ApJ 139, 1139, 1964
AbH1965 - Abt, H.A. 1965A&AS...11..429A
AbH1965 A&AS 11, 429, 1965
AbH1965b - Abt, H.A. et al. 1965ApJ...142.1604A
AbH1965b ApJ 142, 1604, 1965
AbH1972 - Abt. H.A. & Biggs, E.S. 1972bsrv.book.....A
AbH1972 Bibliography of Stellar Radial Velocities
AbH1972b not - Abt. H.A., Levy, S.G., & Gandet, T.L. 1972AJ.....77..138A
AbH1972b AJ 77, 138, 1972
AbH1973 - Abt, H.A. & Levy, S.G. 1973AJ.....78.1093A
AbH1973 AJ 78, 1093, 1973
AbH1976 orb - Abt, H.A. & Levy, S.G. 1976A&AS...30..273A
AbH1976 A&AS 30, 273, 1976
AbH1978 - Abt, H.A. & Levy, S.G. 1978A&AS...36..241A
AbH1978 A&AS 36, 241, 1978
AbH1985 - Abt, H.A. & Levy, S.G. 1985ApJS...59..229A
AbH1985 ApJS 59, 229, 1985
AbH1986 - Abt, H.A. 1986ApJ...304..688A
AbH1986 ApJ 304, 688, 1986
AbH2000 C u Abt, H.A. & Corbally, C.J. 2000ApJ...541..841A
AbH2000 ApJ 541, 841, 2000
AbH2000 (Multi-epoch astrometry, photometry, and spectroscopy to determine
AbH2000 optical/physical nature of members of possible Trapezium systems)
AbH2006 orb - Abt, H.A., & Willmarth, D. 2006ApJS..162..207A
AbH2006 ApJS 162, 207, 2006
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
18331-0845 HJ 5498 AC 2002 5 168 25.2 11.74 12.50 B6III D 183303.94-084456.6
18331-0845 HJ 5498 AC 2014 7 168 25.2 11.65 12.38 B6III U 183303.94-084456.6
18331-0845 HJ 5498 AC 2015 10 168 25.2 11.65 12.38 B6III U 183303.94-084456.6

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

 
 
WDS 18331-0845 HJ 5498 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18331-0845 HJ 5498 AC : MEASURES
 
 
No records found.

 
 
WDS 18331-0845 : VIRTUAL EYEPIECE
 
 

18331-0845 HJ 5498A mag 11.65 Sp B8III 18331-0845 HJ 5498B sep 14.2 P.A. 95.50 mag 12.5 18331-0845 HJ 5498C sep 25.2 P.A. 168.20 mag 12.38 18331-0845 ABH 101D sep 49.0 P.A. 123.80 mag 15.4 18331-0845 ABH 101E sep 83.6 P.A. 165.10 mag 13.49 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 18331-0845 : ALADIN DSS IMAGE @ 18h 33m 03.94s -08° 44' 56.6"
 
 
 
 
WDS 18331-0845 HJ 5498 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18331-0845 HJ 5498AC distance=0' 18322-0922 BU 247 distance=40' 18322-0750 BU 419 distance=57' 18355-0929 SLE 207 distance=58' 18367-0811 KRV 21 distance=64' 18321-0741 J 2518 distance=66' 18368-0800 SLE 213 distance=71' 18381-0822 KRV 51 distance=78' 18311-0958 KPP2767 distance=79' 18322-0720 LDS 644 distance=87' 18271-0853 HDS2608 distance=89' 18285-1013 HJ 5497 distance=89' 18343-1015 DAM 321 distance=92' 18334-1026 BU 642AB distance=102' 18334-1026 BU 642AC distance=102' 18349-0655 RST4590 distance=114' 18331-1042 HDS2632AB distance=118' 18331-1042 GII 268Aa,Ab distance=118' 18400-0747 STF2350 distance=118' 18396-0738 J 2520 distance=119' 18397-0737 DAM 114 distance=120' 18257-0816 BRT 478 distance=121' 18346-0643 BRT 480 distance=124' 18314-1048 STF2325 distance=126' 18305-1052 HDS2623Aa,Ab distance=133' 18362-1053 EGN 23AB distance=137' 18362-1053 EGN 23AC distance=137' 18362-1053 EGN 23AD distance=137' 18362-1053 EGN 23AE distance=137' 18362-1053 EGN 23AF distance=137' 18362-1053 EGN 23AG distance=137' 18362-1053 EGN 23AH distance=137' 18362-1053 EGN 23AI distance=137' 18362-1053 EGN 23AJ distance=137' 18362-1053 EGN 23AK distance=137' 18362-1053 EGN 23AL distance=137' 18362-1053 EGN 23AM distance=137' 18380-0648 TOK 32AB distance=138' 18380-0648 LDS5239AC distance=138' 18423-0903 RST4594AB distance=138' 18423-0903 H 5 36AC distance=138' 18423-0903 SLE 233AD distance=138' 18276-1039 DAM 320AB distance=140' 18276-1039 DAM 320AC distance=140' 18425-0807 BRT 483AB distance=146' 18425-0807 FYM 254AC distance=146' 18354-0621 RST4591 distance=148' 18308-1108 LDS 642 distance=148' 18416-0723 J 2917 distance=150' 18413-0727 J 1748 distance=151' 18423-0952 SLE 234 distance=153' 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 18331-0845 HJ 5498 AB 95 14.4
Show 18331-0845 HJ 5498 AC 168 25.2
Show 18331-0845 ABH 101 AD 124 49.4
Show 18331-0845 ABH 101 AE 165 83.6
Show 18322-0922 BU 247 167 7.9 40
Show 18322-0750 BU 419 32 1.2 57
Show 18355-0929 SLE 207 252 16.4 58
Show 18367-0811 KRV 21 29 24.7 64
Show 18321-0741 J 2518 268 3.7 66
Show 18368-0800 SLE 213 261 14.5 71
Show 18381-0822 KRV 51 128 28.4 78
Show 18311-0958 KPP2767 237 11.7 79
Show 18322-0720 LDS 644 338 5.7 87
Show 18271-0853 HDS2608 344 0.1 89
Show 18285-1013 HJ 5497 224 16.1 89
Show 18343-1015 DAM 321 53 4.5 92
Show 18334-1026 BU 642 AB 89 4.2 102
Show 18334-1026 BU 642 AC 30 63.3 102
Show 18349-0655 RST4590 33 0.9 114
Show 18331-1042 HDS2632 AB 24 0.5 118
Show 18331-1042 GII 268 Aa,Ab 138 0.1 118
Show 18400-0747 STF2350 191 16.4 118
Show 18396-0738 J 2520 137 2.5 119
Show 18397-0737 DAM 114 98 4.2 120
Show 18257-0816 BRT 478 155 7.7 121
Show 18346-0643 BRT 480 18 4.9 124
Show 18314-1048 STF2325 257 12.4 126
Show 18305-1052 HDS2623 Aa,Ab 80 0.0 133
Show 18362-1053 EGN 23 AB 140 3.5 137
Show 18362-1053 EGN 23 AC 214 8.7 137
Show 18362-1053 EGN 23 AD 233 13.5 137
Show 18362-1053 EGN 23 AE 203 13.6 137
Show 18362-1053 EGN 23 AF 154 14.5 137
Show 18362-1053 EGN 23 AG 213 14.6 137
Show 18362-1053 EGN 23 AH 145 16.4 137
Show 18362-1053 EGN 23 AI 307 19.3 137
Show 18362-1053 EGN 23 AJ 210 18.4 137
Show 18362-1053 EGN 23 AK 171 19.1 137
Show 18362-1053 EGN 23 AL 221 21.1 137
Show 18362-1053 EGN 23 AM 235 21.8 137
Show 18380-0648 TOK 32 AB 32 3.8 138
Show 18380-0648 LDS5239 AC 79 35.7 138
Show 18423-0903 RST4594 AB 45 14.4 138
Show 18423-0903 H 5 36 AC 131 52.3 138
Show 18423-0903 SLE 233 AD 264 110.9 138
Show 18276-1039 DAM 320 AB 64 16.5 140
Show 18276-1039 DAM 320 AC 97 8.0 140
Show 18425-0807 BRT 483 AB 49 4.1 146
Show 18425-0807 FYM 254 AC 105 7.7 146
Show 18354-0621 RST4591 12 0.3 148
Show 18308-1108 LDS 642 336 80.6 148

 
 
WDS 18331-0845 : COMPONENTS
 
 
  A B C D
B pa=95.5°
sep=14.20"
 
C pa=168.2°
sep=25.17"
pa=201.1°
sep=24.97"
 
D pa=123.8°
sep=48.95"
pa=134.3°
sep=37.07"
pa=94.2°
sep=35.64"
 
E pa=165.1°
sep=83.58"
pa=174.7°
sep=79.75"
pa=163.7°
sep=58.46"
pa=199.7°
sep=56.84"
 
 
18331-0845 A
 
 
Coord arcsec 2000 183303.94-084456.6 Mag 11.65 Spectral class B8III (blue-white) PmRA -4.00
PmDE -7.0 Tycho2 5691-00197-1
Tycho2
Tycho2 5691-00197-1 Pflag RAmdeg 278.26644987 DEmdeg -8.74905555
PmRA -4.0 PmDE -4.4 E RAmdeg 82 E DEmdeg 90
E pmRA 2.6 E pmDE 2.8 EpRAm 1980.25 EpDEm 1978.83
Num 3 Q RAmdeg 1.0 Q DEmdeg 2.5 Q pmRA 1.0
Q pmDE 2.5 BTmag 12.478 E BTmag 0.254 VTmag 11.301
E VTmag 0.126 Prox 999 TYC HIP
CCDM RAdeg 278.26645889 DEdeg -8.74904444 EpRA 1990 1.61
EpDE 1990 1.55 E RAdeg 87.1 E DEdeg 97.0 Posflg
Corr 0.0
CCDM
Ccdm 18331-0845 RComp Comp A Note1
Note2 Discov num DRAs -1.97 DDEs 4.0
R dRAs 66 Year Theta Rho
Obs 3 Vmag 10.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B 8626 M ADS BDS N IDS IDS 18276S0849A
HIC
 
 
18331-0845 B
 
 
Coord arcsec 2000 183304.89-084458.0 Mag 12.5 PmRA 5.00 PmDE -2.0
Calc delta mag 0.85 Calc coord yes
CCDM
Ccdm 18331-0845 RComp Comp B Note1
Note2 Discov num HJ 5498 DRAs -1.13 DDEs 2.3
R dRAs 66 Year 1922 Theta 096 Rho 14.5
Obs 1 Vmag 11.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B 8626 M ADS BDS N IDS IDS 18276S0849B
HIC
 
 
18331-0845 C
 
 
Coord arcsec 2000 183304.29-084521.2 Mag 12.38 PmRA 2.00 PmDE -5.0
Calc delta mag 0.73 Calc coord yes
CCDM
Ccdm 18331-0845 RComp Comp C Note1
Note2 Discov num HJ 5498 DRAs -1.68 DDEs -21.1
R dRAs 66 Year 1922 Theta 169 Rho 24.9
Obs 1 Vmag 10.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B 8626 M ADS BDS N IDS IDS 18276S0849C
HIC
 
 
18331-0845 D
 
 
Coord arcsec 2000 183306.68-084523.8 Mag 15.4 PmRA -7.00 PmDE 2.0
Calc delta mag 3.75 Calc coord yes
 
 
18331-0845 E
 
 
Coord arcsec 2000 183305.39-084617.4 Mag 13.49 PmRA 12.00 PmDE 6.0
Calc delta mag 1.84 Calc coord yes