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Current system
17500-4238
I 1341
HD 161878


Nearby doubles
7' : 17500-4232
BRT 999

18' : 17512-4251
LDS 614

34' : 17488-4207
BRT 998

36' : 17514-4311
CPO 557

39' : 17466-4241
BRT 994

46' : 17542-4243
HDS2526

48' : 17484-4322
BRT 996

50' : 17529-4200
NSN 380

50' : 17537-4210
VOU 73

57' : 17466-4320
CPO 552

57' : 17497-4335
RSS 463

57' : 17548-4301
B 1872

58' : 17477-4329
DON 864

59' : 17553-4227
CPO 562

59' : 17504-4139
SEE 341

59' : 17520-4333
CPO 558

60' : 17447-4244
FIN 341

61' : 17554-4222
VOU 77AB

62' : 17470-4330
COO 220

64' : 17540-4151
VOU 74

67' : 17526-4338
CPO 559

68' : 17504-4131
RSS 464

68' : 17543-4150
VOU 75

69' : 17555-4206
VOU 78

69' : 17547-4152
VOU 76

70' : 17488-4130
I 1339



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.

17500-4238 I 1341 (HD 161878)

 
 
17h 50m 02.15s -42° 38' 07.9" P.A. 111.00 sep 0.4 mag 9.86,10.10 Sp F8/G1V dist. 137.55 pc (448.69 l.y.)
 
 
Coord 2000 17500-4238 Discov num I  1341 Comp Coord arcsec 2000 17 50 02.15 -42 38 07.9
Date first 1926 Date last 1991 Obs 7
Pa first 116 Pa last 111.3 P.A. Now (θ) 111.3°
Sep first 0.5 Sep last 0.43 Sep. Now (ρ) 0.43"
Mag pri 9.86 Mag sec 10.10 delta mag (ΔM) 0.24 Spectral class F8/G1V (yellow-white)
Pri motion ra -004 Sec motion ra -004
Pri motion dec -030 Sec motion dec -030
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 161878 Constellation Scorpius SAO 228463 HIP 87279
Tycho2 7894-02527-1 HD 161878 CD CD-4212516 CP CP-42 7984
Distance 137.55 Distance ly 448.69
 
 
WDS 17500-4238 I 1341 (HD 161878) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
I__1895 Ma - Innes, R.T.A. 1895MNRAS..55..312I
I__1895 +Mb MNRAS 55, 312,544, 1895
I__1896 Mb - Innes, R.T.A. 1896JBAA....6..261I
I__1896 J. British Astron. Assoc. 6, 261, 1896
I__1897a Ma - Innes, R.T.A. 1897MNRAS..57..533I
I__1897a MNRAS 57, 533, 1897 (data also in I__1897b, 1897AN....143..171I
I__1897a I__1897c) 1897AN....144...89I
I__1897b Ma - Innes, R.T.A. 1897AN....143..171I
I__1897b AN 143, 171, 1897
I__1897c Ma - Innes, R.T.A. 1897AN....144...89I
I__1897c AN 144, 89, 1897
I__1897d Ma - Innes, R.T.A. 1897AN....145...93I
I__1897d AN 145, 93, 1897
I__1897e Ma - Innes, R.T.A. 1897MNRAS..57..456I
I__1897e +Mb MNRAS 57, 456, 1897
I__1897f Ma - Innes, R.T.A. 1897MNRAS..58...48I
I__1897f MNRAS 58, 48, 1897
I__1897g Ma - Innes, R.T.A. 1897AJ.....18...65I
I__1897g AJ 18, 65, 1897
I__1898 Ma - Innes, R.T.A. 1898AN....146..369I
I__1898 AN 146, 369, 1898
I__1899 Ma - Innes, R.T.A. 1899QB4.C22v2......
I__1899 Ann. Cape Obs. 2, Pt.2, 1899 (Innes Reference Catalog)
I__1901 Ma - Innes, R.T.A. 1901MNRAS..61..575.
I__1901 MNRAS 61, 575, 1901 (data also in I__1905) 1905AnCap...2....4I
I__1902a Ma - Innes, R.T.A. 1902MNRAS..62..470I
I__1902a MNRAS 62, 470, 1902 (data also in I__1905) 1905AnCap...2....4I
I__1902b Ma - Innes, R.T.A. 1902MNRAS..63...76I
I__1902b MNRAS 63, 76, 1902 (some data also in I__1905) 1905AnCap...2....4I
I__1903 - Innes, R.T.A. 1903MNRAS..64..130I
I__1903 MNRAS 64, 130, 1903 (data also in I__1905) 1905AnCap...2....4I
I__1903b Ma - Innes, R.T.A. 1903Obs....26..285I
I__1903b Obs 26, 285, 1903 (some data also in I__1905) 1905AnCap...2....4I
I__1905 Ma - Innes, R.T.A. 1905AnCap...2....4I
I__1905 Ann. Cape Obs. 2, Pt.4, 1905
I__1907 Ma - Innes, R.T.A. 1907Obs....30...61I
I__1907 Obs 30, 61, 1907
I__1908 - Innes, R.T.A. 1908Obs....31..289I
I__1908 Obs 31, 289, 1908 (measures also in I__1909)
I__1909 Ma - Innes, R.T.A. .
I__1909 Transvaal Obs. Circ. 1, 1, 1909
I__1910 Ma - Innes, R.T.A. .
I__1910 Transvaal Obs. Circ. 1, 21, 1910
I__1911 Ma - Innes, R.T.A. .
I__1911 Transvaal Obs. Circ. 1, 61, 1911
I__1912 Ma - Innes, R.T.A. .
I__1912 Transvaal Obs. Circ. 1, 111, 1912
I__1913a Ma - Innes, R.T.A. 1913CiUO....4...31.
I__1913a Union Obs. Johannesburg Circ. 4, 31, 1913
I__1913b Ma - Innes, R.T.A. (measure by Simpkins, R.P.) 1913CiUO....4...31.
I__1913b Union Obs. Johannesburg Circ. 4, 31, 1913
I__1914 Ma - Innes, R.T.A. 1914CiUO...14...97.
I__1914 Union Obs. Johannesburg Circ. 14, 97, 1914
I__1915a Ma - Innes, R.T.A. 1915CiUO...24..185.
I__1915a Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915b Ma - Innes, R.T.A. (measure by Cox, G.W.) 1915CiUO...24..185.
I__1915b Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915c Ma - Innes, R.T.A. (measure by Johnson, E.L.) 1915CiUO...24..185.
I__1915c Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915d Ma - Innes, R.T.A. (measure by Simpkins, R.P.) 1915CiUO...24..185.
I__1915d Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915e - Innes, R.T.A. 1915Obs....38..221I
I__1915e Obs 38, 221, 1915 (measures also in I__1916) 1916CiUO...33..249I
I__1915f - Innes, R.T.A. 1915Obs....38..333I
I__1915f Obs 38, 333, 1915 (measures also in I__1915) 1915CiUO...24..185I
I__1916a Ma - Innes, R.T.A. 1916CiUO...33..249I
I__1916a Union Obs. Johannesburg Circ. 33, 249, 1916
I__1916b Ma - Innes, R.T.A. (measure by Simpkins, R.P.) 1916CiUO...33..249I
I__1916b Union Obs. Johannesburg Circ. 33, 249, 1916
I__1916c Ma - Innes, R.T.A. (measure by van der Spuy, K.) 1916CiUO...33..249I
I__1916c Union Obs. Johannesburg Circ. 33, 249, 1916
I__1917a Ma - Innes, R.T.A. 1917CiUO...37..285I
I__1917a Union Obs. Johannesburg Circ. 37, 285, 1917
I__1917b Ma - Innes, R.T.A. (measure by Johnson, E.L.) 1917CiUO...37..285I
I__1917b Union Obs. Johannesburg Circ. 37, 285, 1917
I__1917c Ma - Innes, R.T.A. (measure by van der Spuy, K.) 1917CiUO...37..285I
I__1917c Union Obs. Johannesburg Circ. 37, 285, 1917
I__1917d Ma - Innes, R.T.A. (measure by Worssell, W.M.) 1917CiUO...37..285I
I__1917d Union Obs. Johannesburg Circ. 37, 285, 1917
I__1918 Ma - Innes, R.T.A. 1918CiUO...41..339I
I__1918 Union Obs. Johannesburg Circ. 41, 339, 1918
I__1927a Ma - Innes, R.T.A. 1927sdsc.book.....I
I__1927a +Po Southern Double Star Cat. 1927
I__1927b Ma - Innes, R.T.A. & van den Bos, W.H. 1927sdsc.book.....I
I__1927b Southern Double Star Cat. 1927
I__1932A Ma - Innes, R.T.A. 1932QB821.A43......
I__1932A cited in ADS (Aitken Double Star Cat.), 1932
I__1948a Ma - Innes, R.T.A. 1948CiUO..106..193I
I__1948a +Po Union Obs. Johannesburg Circ. 106, 193, 1948
I__1948b Ma - Innes, R.T.A. (measure by Simpkins, R.P.) 1948CiUO..106..193I
I__1948b Union Obs. Johannesburg Circ. 106, 193, 1948
I__9999 Ma - Innes, R.T.A. ...................
I__9999 +Mb 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
17500-4238 I 1341 1991 7 111 0.4 9.86 10.10 F8/G1V D 175002.15-423807.9

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

 
 
WDS 17500-4238 I 1341 (HD 161878) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17500-4238 I 1341 (HD 161878) : MEASURES
 
 
No records found.

 
 
WDS 17500-4238 (HD 161878) : VIRTUAL EYEPIECE
 
 

17500-4238 I 1341A mag 9.86 Sp F8/G1V 17500-4238 I 1341B sep 0.3 P.A. 117.90 mag 10.1 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 17500-4238 (HD 161878) : ALADIN DSS IMAGE @ 17h 50m 02.15s -42° 38' 07.9"
 
 
 
 
WDS 17500-4238 I 1341 (HD 161878) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17500-4238 I 1341 distance=0' 17500-4232 BRT 999 distance=7' 17512-4251 LDS 614 distance=18' 17488-4207 BRT 998 distance=34' 17514-4311 CPO 557 distance=36' 17466-4241 BRT 994 distance=39' 17542-4243 HDS2526 distance=46' 17484-4322 BRT 996 distance=48' 17529-4200 NSN 380 distance=50' 17537-4210 VOU 73 distance=50' 17466-4320 CPO 552 distance=57' 17497-4335 RSS 463 distance=57' 17548-4301 B 1872 distance=57' 17477-4329 DON 864 distance=58' 17553-4227 CPO 562 distance=59' 17504-4139 SEE 341 distance=59' 17520-4333 CPO 558 distance=59' 17447-4244 FIN 341 distance=60' 17554-4222 VOU 77AB distance=61' 17554-4222 VOU 77AB,C distance=61' 17470-4330 COO 220 distance=62' 17540-4151 VOU 74 distance=64' 17526-4338 CPO 559 distance=67' 17504-4131 RSS 464 distance=68' 17543-4150 VOU 75 distance=68' 17555-4206 VOU 78 distance=69' 17547-4152 VOU 76 distance=69' 17488-4130 I 1339 distance=70' 17458-4147 BRT 992 distance=70' 17556-4313 BRT1004 distance=71' 17471-4133 BRT 995 distance=73' 17551-4327 TDT 569 distance=74' 17429-4220 CPO 548 distance=81' 17558-4148 VOU 79 distance=82' 17464-4124 BRT 993 distance=85' 17499-4405 KPP3005 distance=87' 17427-4208 DON 860 distance=87' 17580-4233 TDT 599 distance=89' 17426-4312 BRT 988 distance=89' 17482-4404 DON 865AB distance=89' 17482-4404 CPO 555AC distance=89' 17584-4236 CPO 565 distance=92' 17468-4112 KPP1691 distance=94' 17583-4222 TDT 604 distance=94' 17436-4135 CPO 549 distance=96' 17456-4403 DON 861 distance=98' 17589-4310 DON 873 distance=103' 17591-4312 DON 874 distance=105' 17553-4110 TDT 573 distance=107' 17541-4414 BRT1002 distance=107' 17492-4052 TDS 885 distance=107' 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 17500-4238 I 1341 111 0.4
Show 17500-4232 BRT 999 49 2.7 7
Show 17512-4251 LDS 614 37 45.4 18
Show 17488-4207 BRT 998 126 5.0 34
Show 17514-4311 CPO 557 225 3.7 36
Show 17466-4241 BRT 994 92 3.6 39
Show 17542-4243 HDS2526 347 0.2 46
Show 17484-4322 BRT 996 224 5.6 48
Show 17529-4200 NSN 380 347 6.8 50
Show 17537-4210 VOU 73 211 7.4 50
Show 17466-4320 CPO 552 178 3.0 57
Show 17497-4335 RSS 463 146 21.5 57
Show 17548-4301 B 1872 332 0.2 57
Show 17477-4329 DON 864 179 0.5 58
Show 17553-4227 CPO 562 78 3.3 59
Show 17504-4139 SEE 341 64 19.4 59
Show 17520-4333 CPO 558 16 6.0 59
Show 17447-4244 FIN 341 226 0.0 60
Show 17554-4222 VOU 77 AB 128 4.4 61
Show 17554-4222 VOU 77 AB,C 22 6.0 61
Show 17470-4330 COO 220 331 13.0 62
Show 17540-4151 VOU 74 62 12.7 64
Show 17526-4338 CPO 559 54 3.6 67
Show 17504-4131 RSS 464 95 20.5 68
Show 17543-4150 VOU 75 156 8.1 68
Show 17555-4206 VOU 78 128 4.9 69
Show 17547-4152 VOU 76 38 3.6 69
Show 17488-4130 I 1339 100 0.4 70
Show 17458-4147 BRT 992 215 6.6 70
Show 17556-4313 BRT1004 294 3.4 71
Show 17471-4133 BRT 995 79 5.7 73
Show 17551-4327 TDT 569 105 2.3 74
Show 17429-4220 CPO 548 240 6.0 81
Show 17558-4148 VOU 79 154 4.7 82
Show 17464-4124 BRT 993 340 4.8 85
Show 17499-4405 KPP3005 254 19.9 87
Show 17427-4208 DON 860 3 0.5 87
Show 17580-4233 TDT 599 265 0.6 89
Show 17426-4312 BRT 988 305 4.1 89
Show 17482-4404 DON 865 AB 55 2.5 89
Show 17482-4404 CPO 555 AC 54 9.1 89
Show 17584-4236 CPO 565 329 1.7 92
Show 17468-4112 KPP1691 49 13.1 94
Show 17583-4222 TDT 604 257 0.4 94
Show 17436-4135 CPO 549 265 4.0 96
Show 17456-4403 DON 861 340 5.7 98
Show 17589-4310 DON 873 57 0.2 103
Show 17591-4312 DON 874 61 1.6 105
Show 17553-4110 TDT 573 201 2.6 107
Show 17541-4414 BRT1002 154 4.7 107
Show 17492-4052 TDS 885 160 1.9 107

 
 
WDS 17500-4238 : COMPONENTS
 
 
  A
B pa=117.9°
sep=0.33"
 
 
17500-4238 A
 
 
Componente originario normalizzato AB Name HD 161878 Coord arcsec 2000 175002.15-423807.9 Mag 9.86
Spectral class F8/G1V (yellow-white) PmRA -4.00 PmDE -30.0 SAO 228463
HIP 87279 Tycho2 7894-02527-1 HD 161878 CD CD-4212516
CP CP-42 7984
Tycho2
Tycho2 7894-02527-1 Pflag RAmdeg 267.50904149 DEmdeg -42.63554658
PmRA -3.5 PmDE -30.0 E RAmdeg 15 E DEmdeg 17
E pmRA 1.2 E pmDE 1.2 EpRAm 1987.36 EpDEm 1985.79
Num 6 Q RAmdeg 1.3 Q DEmdeg 1.5 Q pmRA 1.2
Q pmDE 1.5 BTmag 9.973 E BTmag 0.030 VTmag 9.302
E VTmag 0.025 Prox 852 TYC T HIP 87279
CCDM AB RAdeg 267.50905139 DEdeg -42.63547306 EpRA 1990 1.62
EpDE 1990 1.55 E RAdeg 16.0 E DEdeg 18.6 Posflg P
Corr 0.0
SAO
SAO 228463 DelFlag RA1950 PmRA1950 0.0009
DE1950 PmDE1950 -0.024 Vmag 9 SpType F8
Double code Source 48 CatNum 16753 DM CP-42 7984
DMcomp BDsup HD 161878 M HD 0
GC RA1950rad 4.65326455 DE1950rad -0.74387322 PmRA2000 0.0009
PmDE2000 -0.024
Hipparcos
Catalog H HIP 87279 Proxy H RAhms 17 50 02.19
DEdms -42 38 07.8 Vmag 9.15 VarFlag R Vmag H
RAdeg 267.509 DEdeg -42.6355 AstroRef B Plx 7.06
CCDM 17500-4238 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP BA
Theta 288 Rho 0.47 HD 161878 BD
CD CD-4212516 CP CP-42 7984 Dm number -4212516 VIred 0.57
SpType G0V R SpType Coord arcsec 2000 175002.19-423807.8
Hipparcos 2
HIP 87279 Sn 15 So 3 Nc 2
RArad 4.6689153447 DErad -0.7441297772 Plx 7.27 PmRA -1.34
PmDE -28.32 E RArad 2.74 E DErad 1.83 E Plx 2.82
E pmRA 3.33 E pmDE 1.97 Hpmag 9.2856 E Hpmag 0.0027
SHp 0.019 VA 0 BV 0.61 E BV 0.033
VI 0.68
CCDM
Ccdm 17500-4238 RComp Comp A Note1
Note2 Discov num DRAs 2.25 DDEs -7.3
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.5 Sp F8 PmNote *
PmRA 10 PmDE -24 Dm number -4212516 Cat1 CD
Name2 228463 Cat2 SAO HD 161878 M HD
ADS BDS M ADS BDS N IDS IDS 17429S4236A
HIC 87279
 
 
17500-4238 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 175002.18-423808.1 Mag 10.1 PmRA -4.00
PmDE -30.0 Calc delta mag 0.24 Calc coord yes
CCDM
Ccdm 17500-4238 RComp Comp B Note1
Note2 Discov num I 1341 DRAs DDEs
R dRAs Year 1926 Theta 108 Rho 0.4
Obs 4 Vmag 9.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 17429S4236B
HIC 87279