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Current system
18505-0756
ABH 106 AC


Nearby doubles
4' : 18508-0759
BU 970

5' : 18503-0754
BU 969AB

12' : 18499-0802
TDT1076

26' : 18509-0821
J 1638

28' : 18501-0823
HDS2670

29' : 18490-0740
TDS 947

36' : 18516-0724
ARN 95

40' : 18490-0828
STF2388AB

41' : 18532-0748
LEO 41

48' : 18521-0716
BU 1465AB

51' : 18490-0711
TDT1069

56' : 18505-0701
RST4601

60' : 18466-0807
RST4597

62' : 18521-0700
HDS2676

70' : 18463-0729
DAM 119

71' : 18463-0734
J 2923

73' : 18460-0824
SLE 241

85' : 18552-0835
J 2535

93' : 18489-0627
A 91

93' : 18445-0737
RST4595AB

94' : 18444-0739
TDT1023

97' : 18567-0826
J 2156AB

98' : 18442-0817
TOB 295

98' : 18547-0912
J 2240

98' : 18477-0630
J 2233

98' : 18441-0817
SLE 238



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.

18505-0756 ABH 106 AC

 
 
18h 50m 34.56s -07° 56' 27.2" P.A. 130.00 sep 26.2 mag 10.63,13.77 Sp A5V
 
 
Coord 2000 18505-0756 Discov num ABH 106 Comp AC Coord arcsec 2000 18 50 34.56 -07 56 27.2
Date first 1988 Date last 2015 Obs 8
Pa first 131 Pa last 130.2 P.A. Now (θ) 130.2°
Sep first 26.4 Sep last 26.248 Sep. Now (ρ) 26.248"
Mag pri 10.63 Mag sec 13.77 delta mag (ΔM) 3.14 Spectral class A5V (white)
Pri motion ra -001 Sec motion ra -001
Pri motion dec -012 Sec motion dec +006
Notes U (Proper motion indicates non-physical)
rPM=1.495
This double is not physical.
 
 
18505-0756 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 174378 18 50 35 -07 56 27 HJ 868 AB 2015 15 84 9.7 10.63 11.10 0.47
Show 18 50 35 -07 56 27 ABH 106 AC 2015 8 130 26.2 10.63 13.77 3.14 <===
Show 18 50 35 -07 56 27 ABH 106 AD 2015 9 145 49.0 10.63 14.30 3.67
Show 18 50 35 -07 56 27 ABH 106 AE 2015 9 263 44.5 10.63 13.25 2.62
Show 18 50 35 -07 56 27 ABH 106 AF 2015 7 184 65.4 10.63 13.81 3.18
Show 18 50 35 -07 56 27 ABH 106 AG 2015 9 115 104.3 10.63 12.79 2.16
Show 18 50 35 -07 56 27 ABH 106 AH 2015 9 87 92.6 10.63 14.60 3.97
Show 18 50 35 -07 56 27 ABH 106 AI 2015 9 123 56.7 10.63 15.10 4.47
Show 18 50 35 -07 56 27 ABH 106 AJ 2015 9 257 77.7 10.63 14.70 4.07
Show 18 50 35 -07 56 27 FOX 236 AK 2015 9 320 6.4 10.63 13.30 2.67
11-fold system
11 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Scutum Tycho2 5693-07050-1 Gaia DR2 4251992510474341504 HD 174378
 
 
WDS 18505-0756 ABH 106 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
Fox1909 Ma - Fox, P. 1909AN....181..245F
Fox1909 AN 181, 245, 1909 (measures are also in Fox1915)
Fox1910 Ma - Fox, P. 1910AJ.....26...87F
Fox1910 AJ 26, 87, 1910 (measures are also in Fox1915)
Fox1915 Ma j Fox, P. 1915AnDea...1....1F
Fox1915 Ann. Dearborn Obs. 1, 1, 1915
Fox1915b Ma j Fox, P. 1915AnDea...1...52F
Fox1915b Ann. Dearborn Obs. 1, 52, 1915
Fox1925 Ma j Fox, P. 1925AnDea...2....1F
Fox1925 +Ca Ann. Dearborn Obs. 2, 1, 1925
Fox1946 Ma - Fox, P. 1946AnDea...6....1F
Fox1946 +Po Ann. Dearborn Obs. 6, 1, 1946
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
18505-0756 ABH 106 AC 2002 3 131 27.3 10.63 13.77 A5V D 185034.56-075627.2
18505-0756 ABH 106 AC 2015 8 130 26.2 10.63 13.77 A5V U 185034.56-075627.2

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

 
 
WDS 18505-0756 ABH 106 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18505-0756 ABH 106 AC : MEASURES
 
 
No records found.

 
 
WDS 18505-0756 : VIRTUAL EYEPIECE
 
 

18505-0756 HJ 868A mag 10.63 Sp A5V 18505-0756 HJ 868B sep 9.6 P.A. 84.30 mag 11.1 18505-0756 ABH 106C sep 26.1 P.A. 130.50 mag 13.77 18505-0756 ABH 106D sep 48.8 P.A. 145.50 mag 14.3 18505-0756 ABH 106E sep 44.1 P.A. 262.60 mag 13.25 18505-0756 ABH 106F sep 65.4 P.A. 183.70 mag 13.81 18505-0756 ABH 106G sep 103.5 P.A. 114.90 mag 12.79 18505-0756 ABH 106H sep 91.7 P.A. 86.90 mag 14.6 18505-0756 ABH 106I sep 56.3 P.A. 122.90 mag 15.1 18505-0756 ABH 106J sep 76.9 P.A. 257.10 mag 14.7 18505-0756 FOX 236K sep 6.3 P.A. 319.80 mag 13.3 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 18505-0756 : ALADIN DSS IMAGE @ 18h 50m 34.56s -07° 56' 27.2"
 
 
 
 
WDS 18505-0756 ABH 106 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18505-0756 HJ 868AB distance=1' 18505-0756 ABH 106AC distance=1' 18505-0756 ABH 106AD distance=1' 18505-0756 ABH 106AE distance=1' 18505-0756 ABH 106AF distance=1' 18505-0756 ABH 106AG distance=1' 18505-0756 ABH 106AH distance=1' 18505-0756 ABH 106AI distance=1' 18505-0756 ABH 106AJ distance=1' 18505-0756 FOX 236AK distance=1' 18508-0759 BU 970 distance=4' 18503-0754 BU 969AB distance=5' 18503-0754 BU 969AC distance=5' 18499-0802 TDT1076 distance=12' 18509-0821 J 1638 distance=26' 18501-0823 HDS2670 distance=28' 18490-0740 TDS 947 distance=29' 18516-0724 ARN 95 distance=36' 18490-0828 STF2388BC distance=39' 18490-0828 HDS2666Aa,Ab distance=40' 18490-0828 STF2388AB distance=40' 18490-0828 ABH 105AD distance=40' 18490-0828 ABH 105AE distance=40' 18532-0748 LEO 41 distance=41' 18521-0716 BU 1465AB distance=48' 18521-0716 STF2405AC distance=48' 18490-0711 TDT1069 distance=51' 18505-0701 RST4601 distance=56' 18466-0807 RST4597 distance=60' 18521-0700 HDS2676 distance=62' 18463-0729 DAM 119 distance=70' 18463-0734 J 2923 distance=71' 18460-0824 SLE 241 distance=73' 18552-0835 J 2535 distance=85' 18489-0627 A 91 distance=93' 18445-0737 RST4595AB distance=93' 18445-0737 HDS2654AC distance=93' 18444-0739 TDT1023 distance=94' 18567-0826 J 2156BC distance=96' 18567-0826 J 2156AB distance=97' 18442-0817 TOB 295 distance=98' 18547-0912 J 2240 distance=98' 18477-0630 J 2233 distance=98' 18441-0817 SLE 238 distance=98' 18534-0628 J 2680AB distance=99' 18467-0916 JNN 118 distance=99' 18452-0658 J 105 distance=99' 18534-0628 J 2680BC distance=99' 18511-0617 J 107CD distance=100' 18511-0617 J 107AB distance=101' 18511-0617 J 107AC distance=101' 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 18505-0756 HJ 868 AB 84 9.7 1
Show 18505-0756 ABH 106 AC 130 26.2 1
Show 18505-0756 ABH 106 AD 145 49.0 1
Show 18505-0756 ABH 106 AE 263 44.5 1
Show 18505-0756 ABH 106 AF 184 65.4 1
Show 18505-0756 ABH 106 AG 115 104.3 1
Show 18505-0756 ABH 106 AH 87 92.6 1
Show 18505-0756 ABH 106 AI 123 56.7 1
Show 18505-0756 ABH 106 AJ 257 77.7 1
Show 18505-0756 FOX 236 AK 320 6.4 1
Show 18508-0759 BU 970 107 1.6 4
Show 18503-0754 BU 969 AB 239 14.4 5
Show 18503-0754 BU 969 AC 102 43.2 5
Show 18499-0802 TDT1076 156 0.9 12
Show 18509-0821 J 1638 264 7.9 26
Show 18501-0823 HDS2670 315 0.1 28
Show 18490-0740 TDS 947 5 1.0 29
Show 18516-0724 ARN 95 106 29.8 36
Show 18490-0828 STF2388 BC 18 21.1 39
Show 18490-0828 HDS2666 Aa,Ab 257 0.2 40
Show 18490-0828 STF2388 AB 344 53.6 40
Show 18490-0828 ABH 105 AD 157 43.8 40
Show 18490-0828 ABH 105 AE 275 72.2 40
Show 18532-0748 LEO 41 246 1.6 41
Show 18521-0716 BU 1465 AB 111 13.6 48
Show 18521-0716 STF2405 AC 302 25.6 48
Show 18490-0711 TDT1069 129 0.5 51
Show 18505-0701 RST4601 210 3.6 56
Show 18466-0807 RST4597 312 0.4 60
Show 18521-0700 HDS2676 163 0.1 62
Show 18463-0729 DAM 119 10 6.4 70
Show 18463-0734 J 2923 316 8.9 71
Show 18460-0824 SLE 241 258 10.3 73
Show 18552-0835 J 2535 330 2.4 85
Show 18489-0627 A 91 101 0.8 93
Show 18445-0737 RST4595 AB 74 2.1 93
Show 18445-0737 HDS2654 AC 321 13.8 93
Show 18444-0739 TDT1023 285 1.0 94
Show 18567-0826 J 2156 BC 308 4.7 96
Show 18567-0826 J 2156 AB 1 50.3 97
Show 18442-0817 TOB 295 267 17.3 98
Show 18547-0912 J 2240 236 4.6 98
Show 18477-0630 J 2233 238 3.0 98
Show 18441-0817 SLE 238 68 11.7 98
Show 18534-0628 J 2680 AB 319 91.3 99
Show 18467-0916 JNN 118 268 3.4 99
Show 18452-0658 J 105 348 7.4 99
Show 18534-0628 J 2680 BC 159 5.3 99
Show 18511-0617 J 107 CD 197 3.6 100
Show 18511-0617 J 107 AB 192 6.6 101
Show 18511-0617 J 107 AC 147 9.7 101

 
 
WDS 18505-0756 : COMPONENTS
 
 
  A B C D E F G H I J
B pa=84.3°
sep=9.59"
 
C pa=130.5°
sep=26.10"
pa=150.0°
sep=20.65"
 
D pa=145.5°
sep=48.84"
pa=156.2°
sep=45.00"
pa=161.4°
sep=24.57"
 
E pa=262.6°
sep=44.12"
pa=262.9°
sep=53.70"
pa=280.1°
sep=64.60"
pa=295.8°
sep=79.37"
 
F pa=183.7°
sep=65.43"
pa=191.7°
sep=67.64"
pa=206.4°
sep=54.00"
pa=231.8°
sep=40.55"
pa=146.4°
sep=71.57"
 
G pa=114.9°
sep=103.51"
pa=117.8°
sep=95.39"
pa=109.8°
sep=78.68"
pa=92.9°
sep=66.28"
pa=105.4°
sep=142.77"
pa=77.5°
sep=100.43"
 
H pa=86.9°
sep=91.68"
pa=87.2°
sep=82.11"
pa=73.0°
sep=74.97"
pa=54.7°
sep=78.25"
pa=85.5°
sep=135.72"
pa=53.7°
sep=118.77"
pa=357.2°
sep=48.66"
 
I pa=122.9°
sep=56.28"
pa=129.8°
sep=49.14"
pa=116.4°
sep=30.61"
pa=63.7°
sep=21.86"
pa=105.3°
sep=94.37"
pa=56.0°
sep=62.10"
pa=285.7°
sep=48.40"
pa=231.2°
sep=56.76"
 
J pa=257.1°
sep=76.94"
pa=257.9°
sep=86.46"
pa=269.8°
sep=94.85"
pa=282.6°
sep=105.24"
pa=249.7°
sep=33.30"
pa=304.2°
sep=85.60"
pa=278.9°
sep=170.93"
pa=262.4°
sep=168.01"
pa=276.2°
sep=123.00"
 
K pa=319.8°
sep=6.33"
pa=285.9°
sep=14.17"
pa=312.3°
sep=32.37"
pa=324.8°
sep=55.15"
pa=75.2°
sep=41.03"
pa=0.1°
sep=70.13"
pa=296.3°
sep=109.29"
pa=269.9°
sep=95.63"
pa=304.5°
sep=62.37"
pa=72.7°
sep=74.25"
 
 
18505-0756 A
 
 
Name HD 174378 Coord arcsec 2000 185034.56-075627.2 Mag 10.63 Spectral class A5V (white)
PmRA -1.00 PmDE -12.0 Tycho2 5693-07050-1 HD 174378
Tycho2
Tycho2 5693-07050-1 Pflag RAmdeg 282.64405637 DEmdeg -7.94089191
PmRA -1.9 PmDE -12.9 E RAmdeg 34 E DEmdeg 45
E pmRA 1.7 E pmDE 1.7 EpRAm 1987.15 EpDEm 1983.93
Num 4 Q RAmdeg 0.5 Q DEmdeg 0.8 Q pmRA 0.5
Q pmDE 0.8 BTmag 11.021 E BTmag 0.060 VTmag 10.647
E VTmag 0.069 Prox 99 TYC T HIP
CCDM RAdeg 282.64406083 DEdeg -7.94086306 EpRA 1990 1.88
EpDE 1990 1.83 E RAdeg 34.9 E DEdeg 47.2 Posflg
Corr -0.1
 
 
18505-0756 B
 
 
Coord arcsec 2000 185035.20-075626.3 Mag 11.1 PmRA 0.00 PmDE -6.0
Tycho2 5693-07627-1 Calc delta mag 0.47 Calc coord yes
Tycho2
Tycho2 5693-07627-1 Pflag RAmdeg 282.64682402 DEmdeg -7.94068913
PmRA -0.9 PmDE -10.2 E RAmdeg 52 E DEmdeg 69
E pmRA 1.9 E pmDE 2.0 EpRAm 1982.74 EpDEm 1977.12
Num 4 Q RAmdeg 1.8 Q DEmdeg 2.2 Q pmRA 1.8
Q pmDE 2.2 BTmag 11.746 E BTmag 0.095 VTmag 11.096
E VTmag 0.102 Prox 99 TYC T HIP
CCDM RAdeg 282.64682722 DEdeg -7.94066778 EpRA 1990 1.84
EpDE 1990 1.77 E RAdeg 55.2 E DEdeg 74.8 Posflg
Corr 0.0
 
 
18505-0756 C
 
 
Coord arcsec 2000 185035.90-075644.1 Mag 13.77 PmRA -1.00 PmDE 6.0
Calc delta mag 3.14 Calc coord yes
 
 
18505-0756 D
 
 
Coord arcsec 2000 185036.42-075707.4 Mag 14.3 PmRA -2.00 PmDE 4.0
Calc delta mag 3.67 Calc coord yes
 
 
18505-0756 E
 
 
Coord arcsec 2000 185031.61-075632.9 Mag 13.25 PmRA 13.00 PmDE -6.0
Calc delta mag 2.62 Calc coord yes
 
 
18505-0756 F
 
 
Coord arcsec 2000 185034.28-075732.5 Mag 13.81 PmRA 1.00 PmDE -43.0
Calc delta mag 3.18 Calc coord yes
 
 
18505-0756 G
 
 
Coord arcsec 2000 185040.88-075710.8 Mag 12.79 PmRA 22.00 PmDE 8.0
Calc delta mag 2.16 Calc coord yes
 
 
18505-0756 H
 
 
Coord arcsec 2000 185040.72-075622.2 Mag 14.6 PmRA -8.00 PmDE -4.0
Calc delta mag 3.97 Calc coord yes
 
 
18505-0756 I
 
 
Coord arcsec 2000 185037.74-075657.7 Mag 15.1 PmRA 15.00 PmDE 18.0
Calc delta mag 4.47 Calc coord yes
 
 
18505-0756 J
 
 
Coord arcsec 2000 185029.51-075644.4 Mag 14.7 PmRA 12.00 PmDE -6.0
Calc delta mag 4.07 Calc coord yes
 
 
18505-0756 K
 
 
Coord arcsec 2000 185034.28-075622.4 Mag 13.3 Calc delta mag 2.67 Calc coord yes