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Current system
17475-0847
OSO 84 AD


Nearby doubles
72' : 17451-0949
CIA 56

84' : 17531-0852
HDS2523

93' : 17527-0757
STF2234

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STF3128AB

98' : 17457-0713
RST4574

101' : 17419-0944
HDS2503

119' : 17489-0650
LDS 613

128' : 17550-0744
LLO 14

133' : 17564-0845
RST3988

133' : 17476-0634
RST4576

140' : 17525-0649
WFC 200

144' : 17443-0632
RST4573AB

151' : 17472-0617
RST4575

156' : 17491-1120
RST3984

158' : 17374-0937
LDS5855

161' : 17421-0627
LDS4760

171' : 17505-0603
LAF 59AB

172' : 17589-0924
OSO 90AB

176' : 17526-0609
EVS 32AB

182' : 17596-0820
GWP2751

183' : 17541-1120
HJ 4995

189' : 17348-0833
KPP1917

192' : 17533-0556
HO 561

193' : 17459-0536
BRT 470

197' : 18004-0929
RST3990

204' : 17549-1138
HLD 139AB



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

17475-0847 OSO 84 AD

 
 
17h 47m 27.96s -08° 46' 47.7" P.A. 303.00 sep 21.2 mag 10.60,17.20 Sp sdF8
 
 
Coord 2000 17475-0847 Discov num OSO  84 Comp AD Coord arcsec 2000 17 47 27.96 -08 46 47.7
Date first 1995 Date last 1999 Obs 2
Pa first 301 Pa last 302.5 P.A. Now (θ) 302.5°
Sep first 19.6 Sep last 21.15 Sep. Now (ρ) 21.15"
Mag pri 10.60 Mag sec 17.20 delta mag (ΔM) 6.6 Spectral class sdF8
Pri motion ra +243 Sec motion ra
Pri motion dec -365 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
17475-0847 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 17 47 28 -08 46 48 OSO 84 AB 1999 2 210 12.0 10.60 18.20 7.60
Show 85416 17 47 28 -08 46 48 OSO 84 AC 1999 2 319 16.0 10.60 17.20 6.60
Show 17 47 28 -08 46 48 OSO 84 AD 1999 2 303 21.2 10.60 17.20 6.60 <===
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ophiuchus Tycho2 5661-00873-1 Gaia DR2 4165370682234416256
 
 
WDS 17475-0847 OSO 84 AD : NOTES
 
 
discov_num notes refcode
OSO 84 G020-015.
 
 
DISCOVERER
 
 
discov author
OSO Zapatero Osorio, M.R. & Martin, E.L.
OSO Zapatero Osorio, M.R., Martin, E.L., Lane, B.F., Pavlenko, Ya., Bouy, H.,
OSO Baraffe, I., & Basri, G.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
17475-0847 OSO 84 AD 1999 2 303 21.2 10.60 17.20 N D 174727.96-084647.7

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

 
 
WDS 17475-0847 OSO 84 AD : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17475-0847 OSO 84 AD : MEASURES
 
 
No records found.

 
 
WDS 17475-0847 : VIRTUAL EYEPIECE
 
 

17475-0847 OSO 84A mag 10.6 Sp sdF8 17475-0847 OSO 84B sep 12.0 P.A. 210.10 mag 18.2 17475-0847 OSO 84C sep 16.0 P.A. 318.60 mag 17.2 17475-0847 OSO 84D sep 21.1 P.A. 302.50 mag 17.2 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 17475-0847 : ALADIN DSS IMAGE @ 17h 47m 27.96s -08° 46' 47.7"
 
 
 
 
WDS 17475-0847 OSO 84 AD : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17475-0847 OSO 84AB distance=1' 17475-0847 OSO 84AC distance=1' 17475-0847 OSO 84AD distance=1' 17451-0949 CIA 56 distance=72' 17531-0852 HDS2523 distance=84' 17527-0757 STF2234 distance=93' 17530-0755 STF3128AB distance=97' 17530-0755 STF3128AC distance=97' 17457-0713 RST4574 distance=98' 17419-0944 HDS2503 distance=101' 17489-0650 LDS 613 distance=119' 17550-0744 LLO 14 distance=128' 17564-0845 RST3988 distance=133' 17476-0634 RST4576 distance=133' 17525-0649 WFC 200 distance=140' 17443-0632 RST4573AB distance=144' 17443-0632 GWP2731AC distance=144' 17443-0632 GWP2732AD distance=144' 17472-0617 RST4575 distance=151' 17491-1120 RST3984 distance=156' 17374-0937 LDS5855 distance=158' 17421-0627 LDS4760 distance=161' 17505-0603 LAF 59AB distance=171' 17505-0603 LAF 59AC distance=171' 17505-0603 LAF 59AD distance=171' 17505-0603 LAF 59AE distance=171' 17505-0603 LAF 59AF distance=171' 17505-0603 LAF 59AG distance=171' 17505-0603 LAF 59AH distance=171' 17505-0603 LAF 59AI distance=171' 17505-0603 LAF 59AJ distance=171' 17505-0603 LAF 59AK distance=171' 17505-0603 LAF 59AL distance=171' 17505-0603 LAF 59AM distance=171' 17505-0603 LAF 59AN distance=171' 17505-0603 LAF 59AO distance=171' 17505-0603 LAF 59AP distance=171' 17505-0603 LAF 59AQ distance=171' 17505-0603 LAF 59AR distance=171' 17505-0603 LAF 59AS distance=171' 17505-0603 LAF 59AT distance=171' 17505-0603 LAF 59AU distance=171' 17505-0603 LAF 59AV distance=171' 17505-0603 LAF 59AW distance=171' 17505-0603 LAF 59AX distance=171' 17505-0603 LAF 59A,Ya distance=171' 17505-0603 LAF 59A,Yb distance=171' 17505-0603 LAF 59A,Yc distance=171' 17505-0603 LAF 59A,Yd distance=171' 17505-0603 LAF 59A,Ye distance=171' 17505-0603 LAF 59A,Yf distance=171' 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 17475-0847 OSO 84 AB 210 12.0 1
Show 17475-0847 OSO 84 AC 319 16.0 1
Show 17475-0847 OSO 84 AD 303 21.2 1
Show 17451-0949 CIA 56 190 0.0 72
Show 17531-0852 HDS2523 253 0.3 84
Show 17527-0757 STF2234 198 16.9 93
Show 17530-0755 STF3128 AB 50 1.3 97
Show 17530-0755 STF3128 AC 86 97.1 97
Show 17457-0713 RST4574 263 0.7 98
Show 17419-0944 HDS2503 150 0.2 101
Show 17489-0650 LDS 613 133 4.0 119
Show 17550-0744 LLO 14 293 5.9 128
Show 17564-0845 RST3988 36 0.8 133
Show 17476-0634 RST4576 274 2.8 133
Show 17525-0649 WFC 200 272 9.5 140
Show 17443-0632 RST4573 AB 303 1.8 144
Show 17443-0632 GWP2731 AC 242 8.5 144
Show 17443-0632 GWP2732 AD 24 93.7 144
Show 17472-0617 RST4575 90 0.3 151
Show 17491-1120 RST3984 56 3.1 156
Show 17374-0937 LDS5855 351 3.7 158
Show 17421-0627 LDS4760 342 165.5 161
Show 17505-0603 LAF 59 AB 119 2.8 171
Show 17505-0603 LAF 59 AC 5 3.3 171
Show 17505-0603 LAF 59 AD 154 3.4 171
Show 17505-0603 LAF 59 AE 245 3.7 171
Show 17505-0603 LAF 59 AF 153 3.9 171
Show 17505-0603 LAF 59 AG 159 4.2 171
Show 17505-0603 LAF 59 AH 23 4.4 171
Show 17505-0603 LAF 59 AI 112 4.5 171
Show 17505-0603 LAF 59 AJ 300 4.7 171
Show 17505-0603 LAF 59 AK 80 5.0 171
Show 17505-0603 LAF 59 AL 349 5.2 171
Show 17505-0603 LAF 59 AM 192 5.2 171
Show 17505-0603 LAF 59 AN 124 5.2 171
Show 17505-0603 LAF 59 AO 72 6.1 171
Show 17505-0603 LAF 59 AP 159 6.6 171
Show 17505-0603 LAF 59 AQ 85 6.7 171
Show 17505-0603 LAF 59 AR 353 6.9 171
Show 17505-0603 LAF 59 AS 91 7.1 171
Show 17505-0603 LAF 59 AT 79 7.3 171
Show 17505-0603 LAF 59 AU 177 7.4 171
Show 17505-0603 LAF 59 AV 18 7.4 171
Show 17505-0603 LAF 59 AW 75 7.5 171
Show 17505-0603 LAF 59 AX 135 7.7 171
Show 17505-0603 LAF 59 A,Ya 111 7.9 171
Show 17505-0603 LAF 59 A,Yb 198 8.2 171
Show 17505-0603 LAF 59 A,Yc 174 8.4 171
Show 17505-0603 LAF 59 A,Yd 244 8.6 171
Show 17505-0603 LAF 59 A,Ye 133 8.7 171
Show 17505-0603 LAF 59 A,Yf 319 9.0 171

 
 
WDS 17475-0847 : COMPONENTS
 
 
  A B C
B pa=210.1°
sep=12.01"
 
C pa=318.6°
sep=15.98"
pa=348.5°
sep=22.83"
 
D pa=302.5°
sep=21.15"
pa=331.5°
sep=24.76"
pa=265.1°
sep=7.30"
 
 
17475-0847 A
 
 
Coord arcsec 2000 174727.96-084647.7 Mag 10.6 Spectral class sdF8 PmRA 243.00
PmDE -365.0 Tycho2 5661-00873-1
Tycho2
Tycho2 5661-00873-1 Pflag RAmdeg 266.86655012 DEmdeg -8.77993038
PmRA 246.4 PmDE -366.4 E RAmdeg 32 E DEmdeg 32
E pmRA 2.0 E pmDE 2.0 EpRAm 1986.70 EpDEm 1984.63
Num 6 Q RAmdeg 1.0 Q DEmdeg 0.8 Q pmRA 1.0
Q pmDE 0.8 BTmag 11.118 E BTmag 0.068 VTmag 10.705
E VTmag 0.074 Prox 999 TYC HIP 87062
CCDM RAdeg 266.86599472 DEdeg -8.77908250 EpRA 1990 1.85
EpDE 1990 1.77 E RAdeg 40.1 E DEdeg 48.2 Posflg
Corr -0.1
 
 
17475-0847 B
 
 
Coord arcsec 2000 174727.55-084658.1 Mag 18.2 Delta magnitude 7.6 Coordinate calculated yes
 
 
17475-0847 C
 
 
Coord arcsec 2000 174727.25-084635.7 Mag 17.2 SAO 85416 HIP 87082
BD BD+27 2891 Delta magnitude 6.6 Coordinate calculated yes
SAO
SAO 85416 DelFlag RA1950 PmRA1950 -0.0126
DE1950 PmDE1950 -0.205 Vmag 9.1 SpType G0
Double code Source 34 CatNum 8435 DM BD+27 2891
DMcomp BDsup HD M HD
GC RA1950rad 4.64992162 DE1950rad 0.48544118 PmRA2000 -0.0123
PmDE2000 -0.206
Hipparcos
Catalog H HIP 87082 Proxy RAhms 17 47 39.26
DEdms +27 47 42.3 Vmag 9.47 VarFlag R Vmag G
RAdeg 266.914 DEdeg 27.7951 AstroRef Plx 8.28
CCDM -132.80 - N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD BD BD+27 2891
CD CP Dm number +27 2891 VIred 0.7
SpType G0 R SpType Coord arcsec 2000 174739.26+274742.3
Hipparcos 2
HIP 87082 Sn 5 So 0 Nc 1
RArad 4.6585208644 DErad 0.4851156699 Plx 10.19 PmRA -133.66
PmDE -211.76 E RArad 0.66 E DErad 0.88 E Plx 1.22
E pmRA 1 E pmDE 1.14 Hpmag E Hpmag 0.0023
SHp 0.03 VA 0 BV 0.64 E BV 0.015
VI 0.7
 
 
17475-0847 D
 
 
Coord arcsec 2000 174726.76-084636.3 Mag 17.2 Delta magnitude 6.6 Coordinate calculated yes