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Doubles in session


Current system
17094-3141
HJ 4921 AB
HD 154871


Nearby doubles
19' : 17108-3134
B 1330

20' : 17084-3155
BRT3043

39' : 17112-3212
JSP 710

46' : 17059-3134
KPP 390

52' : 17123-3217
VVV 39

57' : 17130-3215
JSP 711AB

58' : 17129-3218
I 1622

59' : 17130-3216
I 999

65' : 17130-3226
HDO 311

68' : 17102-3034
JSP 709

70' : 17076-3036
B 329

70' : 17058-3049
RST1934

73' : 17145-3110
TDT 283

74' : 17065-3245
PRO 148

79' : 17066-3250
LDS 586

80' : 17144-3229
JSP 712

85' : 17158-3203
B 1332

87' : 17060-3257
PRO 147

92' : 17025-3205
VSP 48

94' : 17036-3237
I 998

97' : 17022-3110
PRO 145

100' : 17019-3209
HDO 310AB

100' : 17131-3309
TDT 265

103' : 17032-3247
PRO 146

105' : 17111-2959
TDT 257

105' : 17112-3323
B 2825



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.

17094-3141 HJ 4921 AB (HD 154871)

 
 
17h 09m 23.97s -31° 40' 47.1" P.A. 146.00 sep 8.7 mag 8.89,9.51 Sp A0/1V
 
 
Coord 2000 17094-3141 Discov num HJ 4921 Comp AB Coord arcsec 2000 17 09 23.97 -31 40 47.1
Date first 1834 Date last 2015 Obs 17
Pa first 139 Pa last 145.9 P.A. Now (θ) 145.9°
Sep first 4.0 Sep last 8.717 Sep. Now (ρ) 8.717"
Mag pri 8.89 Mag sec 9.51 delta mag (ΔM) 0.62 Spectral class A0/1V (white)
Pri motion ra +002 Sec motion ra +001
Pri motion dec -008 Sec motion dec -010
Notes V (Proper motion indicates physical)
rPM=0.222 (< 0.3, Physical double)
This double is physical.
 
 
17094-3141 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 17 09 24 -31 40 47 VOU 37 Aa,Ab 1960 3 40 0.2 9.60 9.80 0.20
Show HD 154871 17 09 24 -31 40 47 HJ 4921 AB 2015 17 146 8.7 8.89 9.51 0.62 <===
Show 17 09 24 -31 40 47 DAW 215 AC 2015 4 90 20.5 8.89 13.20 4.31
Quadruple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 154871 Constellation Scorpius Tycho2 7361-00371-1 Gaia DR2 5980208971424555008
HD 154871
 
 
WDS 17094-3141 HJ 4921 AB (HD 154871) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Daw1918a Ma - Dawson, B.H. .
Daw1918a Pub. La Plata Obs. 4, Pt.1, 1918
Daw1918b Ma - Dawson, B.H. (measure by Chaves, A.J.) .
Daw1918b Pub. La Plata Obs. 4, Pt.1, 1918
Daw1919 orb - Dawson, B.H. 1919AJ.....32..109D
Daw1919 AJ 32, 109, 1919
Daw1920 orb - Dawson, B.H. 1920AJ.....32..141D
Daw1920 AJ 32, 141, 1920
Daw1920b orb - Dawson, B.H. 1920AJ.....32..161D
Daw1920b AJ 32, 161, 1920
Daw1922 Ma - Dawson, B.H. .
Daw1922 Pub. La Plata Obs. 4, Pt.2, 1922
Daw1922b orb - Dawson, B.H. 1922AJ.....34...17D
Daw1922b AJ 34, 17, 1922
Daw1924a Ma - Dawson, B.H. 1924AJ.....35..147D
Daw1924a AJ 35, 147, 1924 (DAW 112 - 158; data also in Daw1937)
Daw1924b orb - Dawson, B.H. 1924AJ.....36...23D
Daw1924b AJ 36, 23, 1924
Daw1926 orb - Dawson, B.H. 1926AJ.....36..181D
Daw1926 AJ 36, 181, 1926
Daw1927A Ma - Dawson, B.H. 1927sdsc.book......
Daw1927A cited in SDS (Southern Double Star Cat.), 1927
Daw1933 orb - Dawson, B.H. 1933AJ.....43...15D
Daw1933 AJ 43, 15, 1933
Daw1937 Ma - Dawson, B.H. .
Daw1937 Pub. La Plata Obs. 6, 85, 1937
Daw9999 Ma - Dawson, B.H. ...................
Daw9999 Unpublished, manuscript or reference not found.
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.
Vou1908 orb - Voute, J.G. 1908MNRAS..68..563V
Vou1908 MNRAS 68, 563, 1908
Vou1911 Ma - Voute, J.G. 1911AN....190....1V
Vou1911 AN 190, 1, 1911 (also published in Vou1922)
Vou1915 Ma j Voute, J.G. 1915CiUO...27..205V
Vou1915 Union Obs. Johannesburg Circ. 27, 205, 1915
Vou1918 Ma j Voute, J.G. 1918MNRAS..75..432V
Vou1918 +Pa MNRAS 75, 432, 1918
Vou1918 (most micrometrical measures are also in Vou1925a, all photographic measures are
Vou1918 also in Vou1925b)
Vou1918b Ma - Voute, J.G. 1918MNRAS..78..683V
Vou1918b +Pa MNRAS 78, 683, 1918 (measures are also in Vou1925a)
Vou1919 Ma j Voute, J.G. 1919AnLei..10B...1V
Vou1919 Ann. Leiden Obs. 10, Pt.2, 1919
Vou1922 Ma - Voute, J.G. 1922AnLei..102...1V
Vou1922 Ann. Leiden Obs. 10, Pt.2, 1922
Vou1924 orb - Voute, J.G. 1924BAN.....2..181V
Vou1924 BAN 2, 181, 1924
Vou1925a Ma j Voute, J.G. 1925AnBos...1....3V
Vou1925a Ann. Bosscha Obs. Lembang 1, Pt.3, 1925 (most measures are also in Vou1918)
Vou1925b Pa - Voute, J.G. 1925AnBos...1....3V
Vou1925b +Po Ann. Bosscha Obs. Lembang 1, Appendix, 1925 (all measures are also in Vou1918)
Vou1926 Ma j Voute, J.G. 1926AnBos...1....3V
Vou1926 +Po Ann. Bosscha Obs. Lembang 1, Pt.2, 1926
Vou1927A Ma - Voute, J.G. 1927sdsc.book......
Vou1927A cited in SDS (Southern Double Star Catalog), 1927
Vou1932 Ma j Voute, J.G. 1932AnBos...6....3V
Vou1932 Ann. Bosscha Obs. Lembang 6, Pt.1, A1, 1932
Vou1946 orb - Voute, J.G. .
Vou1946 Riverview Coll. Obs. Pub. 2, 43, 1946
Vou1947a Ma j Voute, J.G., Terkule, Strand, K., van den Bos, W., Wallenquist, A., van Dissel, 1947AnBos...6....3V
Vou1947a +Po Janssen, & Witlox
Vou1947a Ann. Bosscha Obs. Lembang 6, Pt.3, C1, 1947
Vou1947b Ma j Voute, J.G. 1947AnBos...6....1V
Vou1947b Ann. Bosscha Obs. Lembang 6, Pt.4, D1, 1947
Vou1951 Ma - Voute, J.G. 1951RA......2..319V
Vou1951 Vatican Obs. Richerche Astron. 2, 319, 1951
Vou1955 Ma j Voute, J.G. 1955JO.....38..109V
Vou1955 +Po J. Obs. 38, 109, 1955 (a few errata noted in Vou1956)
Vou1956 Ma - Voute, J.G. 1956JO.....39..116V
Vou1956 J. Obs. 39, 116, 1956
Vou9999 Ma j Voute, J.G. ...................
Vou9999 +Po 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
17094-3141 HJ 4921 AB 1998 15 146 8.7 8.89 9.51 A0/1V D 170923.97-314047.1
17094-3141 HJ 4921 AB 1999 16 146 8.7 8.89 9.51 A0/1V D 170923.97-314047.1
17094-3141 HJ 4921 AB 2015 17 146 8.7 8.89 9.51 A0/1V 170923.97-314047.1

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

 
 
WDS 17094-3141 HJ 4921 AB (HD 154871) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17094-3141 HJ 4921 AB (HD 154871) : MEASURES
 
 
No records found.

 
 
WDS 17094-3141 (HD 154871) : VIRTUAL EYEPIECE
 
 

17094-3141 HJ 4921A mag 8.89 Sp A0/1V 17094-3141 VOU 37Ab sep 0.2 P.A. 35.20 mag 9.8 17094-3141 HJ 4921B sep 8.3 P.A. 150.10 mag 9.51 17094-3141 DAW 215C sep 17.4 P.A. 89.80 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 17094-3141 (HD 154871) : ALADIN DSS IMAGE @ 17h 09m 23.97s -31° 40' 47.1"
 
 
 
 
WDS 17094-3141 HJ 4921 AB (HD 154871) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17094-3141 HJ 4921AB distance=0' 17108-3134 B 1330 distance=19' 17084-3155 BRT3043 distance=20' 17112-3212 JSP 710 distance=39' 17059-3134 KPP 390 distance=46' 17123-3217 VVV 39 distance=52' 17130-3215 JSP 711AB distance=57' 17130-3215 JSP 711AC distance=57' 17130-3215 I 1623AD distance=57' 17129-3218 I 1622 distance=58' 17130-3216 I 999 distance=59' 17130-3226 HDO 311 distance=65' 17102-3034 JSP 709 distance=68' 17076-3036 B 329 distance=70' 17058-3049 RST1934 distance=70' 17145-3110 TDT 283 distance=73' 17065-3245 PRO 148 distance=74' 17066-3250 LDS 586 distance=79' 17144-3229 JSP 712 distance=80' 17158-3203 B 1332 distance=85' 17060-3257 PRO 147 distance=87' 17025-3205 VSP 48 distance=92' 17036-3237 I 998 distance=94' 17022-3110 PRO 145 distance=97' 17019-3209 HDO 310AB distance=100' 17019-3209 HDO 310AC distance=100' 17019-3209 HDO 310AD distance=100' 17019-3209 OUD 6AE distance=100' 17131-3309 TDT 265 distance=100' 17032-3247 PRO 146 distance=103' 17111-2959 TDT 257 distance=105' 17112-3323 B 2825 distance=105' 17093-2954 B 330 distance=107' 17128-3322 COO 209 distance=110' 17147-3309 TDT 284 distance=112' 17173-3229 LDS 590 distance=112' 17142-3316 B 903 distance=113' 17154-3305 JSP 713 distance=115' 17172-3241 PRO 152 distance=116' 17186-3121 RST1948 distance=119' 17120-3337 B 898 distance=121' 17184-3223 COO 211 distance=122' 17184-3224 VOU 27 distance=123' 17186-3223 PRO 154 distance=124' 17186-3221 JSP 714 distance=125' 17186-3224 PRO 155 distance=125' 17183-3233 HDO 268 distance=126' 17189-3221 I 590 distance=128' 17107-3348 TDT 252 distance=129' 17105-3351 B 897 distance=131' 17196-3127 TDT 307 distance=132' 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 17094-3141 VOU 37 Aa,Ab 40 0.2
Show 17094-3141 HJ 4921 AB 146 8.7
Show 17094-3141 DAW 215 AC 90 20.5
Show 17108-3134 B 1330 72 0.1 19
Show 17084-3155 BRT3043 278 4.7 20
Show 17112-3212 JSP 710 306 4.6 39
Show 17059-3134 KPP 390 191 3.4 46
Show 17123-3217 VVV 39 56 3.5 52
Show 17130-3215 JSP 711 AB 280 2.8 57
Show 17130-3215 JSP 711 AC 17 4.4 57
Show 17130-3215 I 1623 AD 91 9.6 57
Show 17129-3218 I 1622 231 4.2 58
Show 17130-3216 I 999 351 1.6 59
Show 17130-3226 HDO 311 293 28.2 65
Show 17102-3034 JSP 709 260 4.9 68
Show 17076-3036 B 329 183 0.2 70
Show 17058-3049 RST1934 243 0.2 70
Show 17145-3110 TDT 283 225 4.0 73
Show 17065-3245 PRO 148 278 3.6 74
Show 17066-3250 LDS 586 37 70.0 79
Show 17144-3229 JSP 712 140 0.4 80
Show 17158-3203 B 1332 49 4.0 85
Show 17060-3257 PRO 147 214 3.9 87
Show 17025-3205 VSP 48 290 0.1 92
Show 17036-3237 I 998 77 0.4 94
Show 17022-3110 PRO 145 292 8.8 97
Show 17019-3209 HDO 310 AB 155 22.6 100
Show 17019-3209 HDO 310 AC 103 42.5 100
Show 17019-3209 HDO 310 AD 37 51.3 100
Show 17019-3209 OUD 6 AE 26 8.9 100
Show 17131-3309 TDT 265 209 2.5 100
Show 17032-3247 PRO 146 48 5.9 103
Show 17111-2959 TDT 257 261 0.5 105
Show 17112-3323 B 2825 64 5.5 105
Show 17093-2954 B 330 345 0.2 107
Show 17128-3322 COO 209 137 10.2 110
Show 17147-3309 TDT 284 59 2.5 112
Show 17173-3229 LDS 590 237 33.8 112
Show 17142-3316 B 903 36 3.0 113
Show 17154-3305 JSP 713 305 0.8 115
Show 17172-3241 PRO 152 60 8.6 116
Show 17186-3121 RST1948 126 0.5 119
Show 17120-3337 B 898 114 0.3 121
Show 17184-3223 COO 211 9 11.5 122
Show 17184-3224 VOU 27 163 0.4 123
Show 17186-3223 PRO 154 242 6.4 124
Show 17186-3221 JSP 714 246 1.3 125
Show 17186-3224 PRO 155 20 4.8 125
Show 17183-3233 HDO 268 172 19.3 126
Show 17189-3221 I 590 22 0.8 128
Show 17107-3348 TDT 252 340 0.8 129

 
 
WDS 17094-3141 : COMPONENTS
 
 
  A Ab B
Ab pa=35.2°
sep=0.17"
 
B pa=150.1°
sep=8.33"
pa=151.1°
sep=8.40"
 
C pa=89.8°
sep=17.44"
pa=90.2°
sep=17.34"
pa=61.2°
sep=15.15"
 
 
17094-3141 A
 
 
Name HD 154871 Coord arcsec 2000 170923.97-314047.1 Mag 8.89 Spectral class A0/1V (white)
PmRA 2.00 PmDE -8.0 Tycho2 7361-00371-1 HD 154871
Tycho2
Tycho2 7361-00371-1 Pflag RAmdeg 257.34991239 DEmdeg -31.67975618
PmRA -0.9 PmDE -7.0 E RAmdeg 7 E DEmdeg 11
E pmRA 1.3 E pmDE 1.5 EpRAm 1991.04 EpDEm 1989.78
Num 9 Q RAmdeg 2.3 Q DEmdeg 1.5 Q pmRA 2.3
Q pmDE 1.5 BTmag 9.082 E BTmag 0.018 VTmag 8.886
E VTmag 0.017 Prox 87 TYC T HIP
CCDM RAdeg 257.34991361 DEdeg -31.67973778 EpRA 1990 1.80
EpDE 1990 1.21 E RAdeg 7.0 E DEdeg 10.7 Posflg
Corr -0.1
CCDM
Ccdm 17094-3141 RComp Comp A Note1
Note2 Discov num DRAs -0.27 DDEs 13.5
R dRAs 41 Year Theta Rho
Obs 4 Vmag 9.6 Sp A0 PmNote
PmRA PmDE Dm number -3113630 Cat1 CD
Name2 Cat2 HD 154871 M HD
ADS BDS M ADS BDS N IDS IDS 17029S3133A
HIC
 
 
17094-3141 Ab
 
 
Coord arcsec 2000 170923.98-314047.0 Mag 9.8 Calc delta mag 0.2 Calc coord yes
 
 
17094-3141 B
 
 
Coord arcsec 2000 170924.30-314054.3 Mag 9.51 PmRA 1.00 PmDE -10.0
Tycho2 7361-01540-1 Calc delta mag 0.09 Calc coord yes
Tycho2
Tycho2 7361-01540-1 Pflag RAmdeg 257.35150746 DEmdeg -31.68174964
PmRA -2.6 PmDE -7.2 E RAmdeg 11 E DEmdeg 18
E pmRA 2.1 E pmDE 2.1 EpRAm 1991.45 EpDEm 1990.19
Num 5 Q RAmdeg 0.8 Q DEmdeg 0.6 Q pmRA 0.9
Q pmDE 0.6 BTmag 9.754 E BTmag 0.025 VTmag 9.514
E VTmag 0.025 Prox 87 TYC T HIP
CCDM RAdeg 257.35151417 DEdeg -31.68173194 EpRA 1990 1.80
EpDE 1990 1.16 E RAdeg 11.0 E DEdeg 17.9 Posflg
Corr -0.1
CCDM
Ccdm 17094-3141 RComp Comp B Note1
Note2 Discov num HJ 4921 DRAs 0.17 DDEs 6.1
R dRAs 41 Year 1911 Theta 146 Rho 8.7
Obs 3 Vmag 9.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 17029S3133B
HIC
 
 
17094-3141 C
 
 
Coord arcsec 2000 170925.34-314047.0 Mag 13.2 PmRA 2.00 PmDE -7.0
Calc delta mag 3.6 Calc coord yes
CCDM
Ccdm 17094-3141 RComp Comp C Note1
Note2 Discov num DAW DRAs 1.34 DDEs 13.1
R dRAs 41 Year Theta 095 Rho 20.6
Obs Vmag 13.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 17029S3133C
HIC