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Current system
17578+0253
HDS 2532
HD 163775


Nearby doubles
14' : 17575+0306
BAL2461

21' : 17590+0259
BAL2462

24' : 17563+0259
A 2189

25' : 17592+0304
BAL2464

37' : 17579+0328
J 1333

37' : 17591+0323
BAL2463

41' : 17555+0316
GWP2745

42' : 17560+0320
J 1332

43' : 17571+0215
J 3299

44' : 18006+0256
BU 1124AB

54' : 17590+0202
STF2252AB

58' : 17540+0303
OSO 87AB

58' : 17569+0156
J 2118

58' : 17556+0204
HDS2527

60' : 18012+0324
BAL2465

63' : 17543+0328
A 2188

64' : 18015+0324
BAL2467

65' : 17536+0308
BAL2459

65' : 17540+0324
BAL2460

67' : 18022+0302
A 2190

69' : 18015+0331
BU 1202AB

74' : 18017+0335
SLE 86

77' : 18014+0346
BAL2466

79' : 18026+0325
HDS2539

80' : 17559+0139
BAL1493

87' : 17530+0204
BAL1946



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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

17578+0253 HDS 2532 (HD 163775)

 
 
17h 57m 45.65s +02° 52' 48.2" P.A. 192.00 sep 0.2 mag 8.36,10.97 Sp A2 dist. 892.86 pc (2912.51 l.y.)
 
 
Coord 2000 17578+0253 Discov num HDS2532 Comp Coord arcsec 2000 17 57 45.65 +02 52 48.2
Date first 1991 Date last 2013 Obs 3
Pa first 186 Pa last 191.7 P.A. Now (θ) 191.7°
Sep first 0.2 Sep last 0.218 Sep. Now (ρ) 0.218"
Mag pri 8.36 Mag sec 10.97 delta mag (ΔM) 2.61 Spectral class A2 (white)
Pri motion ra -005 Sec motion ra
Pri motion dec -011 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 163775 Constellation Ophiuchus SAO 122962 HIP 87932
Tycho2 0421-00662-1 Gaia DR2 4469347984743485824 HD 163775 BD BD+02 3435
Distance 892.86 Distance ly 2912.51
 
 
WDS 17578+0253 HDS 2532 (HD 163775) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HDS Hipparcos Double Star (from additional DD list) ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17578+0253 HDS2532 1991 1 186 0.2 8.36 10.97 A2 175745.65+025248.2
17578+0253 HDS2532 2013 3 192 0.2 8.36 10.97 A2 175745.65+025248.2

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

 
 
WDS 17578+0253 HDS 2532 (HD 163775) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17578+0253 HDS 2532 (HD 163775) : MEASURES
 
 
No records found.

 
 
WDS 17578+0253 (HD 163775) : VIRTUAL EYEPIECE
 
 

17578+0253 HDS2532A mag 8.36 Sp A2 17578+0253 HDS2532B sep 0.2 P.A. 191.70 mag 10.97 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 17578+0253 (HD 163775) : ALADIN DSS IMAGE @ 17h 57m 45.65s +02° 52' 48.2"
 
 
 
 
WDS 17578+0253 HDS 2532 (HD 163775) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17578+0253 HDS2532 distance=0' 17575+0306 BAL2461 distance=14' 17590+0259 BAL2462 distance=21' 17563+0259 A 2189 distance=24' 17592+0304 BAL2464 distance=25' 17579+0328 J 1333 distance=37' 17591+0323 BAL2463 distance=37' 17555+0316 GWP2745 distance=41' 17560+0320 J 1332 distance=42' 17571+0215 J 3299 distance=43' 18006+0256 BU 1124AB distance=44' 18006+0256 H 6 2AC distance=44' 18006+0256 BU 634AE distance=44' 18006+0256 BU 634CD distance=44' 18006+0256 BU 634CE distance=44' 17590+0202 STF2252AB distance=54' 17590+0202 STF2252AC distance=54' 17540+0303 OSO 87AB distance=58' 17540+0303 OSO 87AC distance=58' 17540+0303 OSO 87AD distance=58' 17540+0303 OSO 87AE distance=58' 17540+0303 OSO 87AF distance=58' 17540+0303 OSO 87AG distance=58' 17569+0156 J 2118 distance=58' 17556+0204 HDS2527 distance=58' 18012+0324 BAL2465 distance=60' 17543+0328 A 2188 distance=63' 18015+0324 BAL2467 distance=64' 17536+0308 BAL2459 distance=65' 17540+0324 BAL2460 distance=65' 18022+0302 A 2190 distance=67' 18015+0331 BU 1202AB distance=69' 18015+0331 BU 1202AB,C distance=69' 18015+0331 BU 1202AB,E distance=69' 18015+0331 BU 1202CD distance=71' 18015+0331 BU 1202CF distance=71' 18017+0335 SLE 86 distance=74' 18014+0346 BAL2466 distance=77' 18026+0325 HDS2539 distance=79' 17559+0139 BAL1493 distance=80' 17530+0204 BAL1946 distance=87' 18034+0231 A 2191 distance=88' 17519+0300 HWE 41 distance=88' 17519+0254 STF2233AB distance=89' 17519+0254 STF2233AC distance=89' 17519+0254 STF2233AD distance=89' 17518+0244 BAL1944 distance=90' 18008+0135 BAL1496 distance=91' 18014+0406 BAL2910 distance=91' 17553+0416 BAL2906 distance=92' 17529+0155 BAL1492 distance=93' 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 17578+0253 HDS2532 192 0.2
Show 17575+0306 BAL2461 194 3.8 14
Show 17590+0259 BAL2462 97 5.8 21
Show 17563+0259 A 2189 288 0.1 24
Show 17592+0304 BAL2464 231 3.0 25
Show 17579+0328 J 1333 352 2.8 37
Show 17591+0323 BAL2463 38 17.1 37
Show 17555+0316 GWP2745 285 32.7 41
Show 17560+0320 J 1332 32 2.5 42
Show 17571+0215 J 3299 329 2.3 43
Show 18006+0256 BU 1124 AB 196 6.6 44
Show 18006+0256 H 6 2 AC 143 54.7 44
Show 18006+0256 BU 634 AE 180 45.1 44
Show 18006+0256 BU 634 CD 120 6.2 44
Show 18006+0256 BU 634 CE 266 33.3 44
Show 17590+0202 STF2252 AB 23 4.0 54
Show 17590+0202 STF2252 AC 165 95.1 54
Show 17540+0303 OSO 87 AB 108 5.5 58
Show 17540+0303 OSO 87 AC 1 6.0 58
Show 17540+0303 OSO 87 AD 187 6.8 58
Show 17540+0303 OSO 87 AE 228 11.7 58
Show 17540+0303 OSO 87 AF 3 17.5 58
Show 17540+0303 OSO 87 AG 145 19.9 58
Show 17569+0156 J 2118 264 5.6 58
Show 17556+0204 HDS2527 111 0.1 58
Show 18012+0324 BAL2465 289 19.3 60
Show 17543+0328 A 2188 167 0.1 63
Show 18015+0324 BAL2467 95 8.7 64
Show 17536+0308 BAL2459 333 7.0 65
Show 17540+0324 BAL2460 113 13.0 65
Show 18022+0302 A 2190 75 3.6 67
Show 18015+0331 BU 1202 AB 344 0.7 69
Show 18015+0331 BU 1202 AB,C 28 105.5 69
Show 18015+0331 BU 1202 AB,E 138 90.4 69
Show 18015+0331 BU 1202 CD 110 2.8 71
Show 18015+0331 BU 1202 CF 163 17.4 71
Show 18017+0335 SLE 86 281 7.3 74
Show 18014+0346 BAL2466 261 14.4 77
Show 18026+0325 HDS2539 129 0.3 79
Show 17559+0139 BAL1493 27 9.3 80
Show 17530+0204 BAL1946 31 6.8 87
Show 18034+0231 A 2191 201 3.2 88
Show 17519+0300 HWE 41 218 3.2 88
Show 17519+0254 STF2233 AB 66 2.3 89
Show 17519+0254 STF2233 AC 138 23.5 89
Show 17519+0254 STF2233 AD 232 29.5 89
Show 17518+0244 BAL1944 302 3.2 90
Show 18008+0135 BAL1496 163 16.4 91
Show 18014+0406 BAL2910 112 4.0 91
Show 17553+0416 BAL2906 177 14.8 92
Show 17529+0155 BAL1492 59 6.8 93

 
 
WDS 17578+0253 : COMPONENTS
 
 
  A
B pa=191.7°
sep=0.22"
 
 
17578+0253 A
 
 
Componente originario normalizzato AB Name HD 163775 Coord arcsec 2000 175745.65+025248.2 Mag 8.36
Spectral class A2 (white) PmRA -5.00 PmDE -11.0 SAO 122962
HIP 87932 Tycho2 0421-00662-1 HD 163775 BD BD+02 3435
Tycho2
Tycho2 0421-00662-1 Pflag RAmdeg 269.44018574 DEmdeg 2.88002889
PmRA -4.2 PmDE -9.9 E RAmdeg 6 E DEmdeg 7
E pmRA 1.4 E pmDE 1.3 EpRAm 1991.35 EpDEm 1991.02
Num 8 Q RAmdeg 1.0 Q DEmdeg 1.3 Q pmRA 1.1
Q pmDE 1.3 BTmag 8.492 E BTmag 0.016 VTmag 8.235
E VTmag 0.013 Prox 999 TYC T HIP 87932
CCDM AB RAdeg 269.44019528 DEdeg 2.88005194 EpRA 1990 1.65
EpDE 1990 1.58 E RAdeg 6.2 E DEdeg 7.0 Posflg P
Corr 0.0
SAO
SAO 122962 DelFlag RA1950 PmRA1950 -0.0009
DE1950 PmDE1950 -0.027 Vmag 8.2 SpType A2
Double code Source 30 CatNum 6004 DM BD+02 3435
DMcomp BDsup HD 163775 M HD 0
GC RA1950rad 4.69168076 DE1950rad 0.05034022 PmRA2000 -0.0007
PmDE2000 -0.027
Hipparcos
Catalog H HIP 87932 Proxy H RAhms 17 57 45.65
DEdms +02 52 48.2 Vmag 8.2 VarFlag R Vmag H
RAdeg 269.44 DEdeg 2.88005 AstroRef * Plx 1.31
CCDM 17578+0253 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 186 Rho 0.229 HD 163775 BD BD+02 3435
CD CP Dm number +02 3435 VIred 0.21
SpType A2 R SpType Coord arcsec 2000 175745.65+025248.2
Hipparcos 2
HIP 87932 Sn 55 So 3 Nc 2
RArad 4.7026186366 DErad 0.0502664322 Plx 1.12 PmRA -6.07
PmDE -10.82 E RArad 0.98 E DErad 0.59 E Plx 1.1
E pmRA 1.11 E pmDE 0.61 Hpmag 8.2698 E Hpmag 0.0017
SHp 0.012 VA 0 BV 0.246 E BV 0.017
VI 0.28
CCDM
Ccdm 17578+0253 RComp Comp A Note1
Note2 Discov num DRAs -2.36 DDEs -11.9
R dRAs 82 Year Theta Rho
Obs 2 Vmag 8.4 Sp A2 PmNote *
PmRA -5 PmDE -11 Dm number +02 3435 Cat1 BD
Name2 +02 2172 Cat2 AGK2/3 HD 163775 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 87932
 
 
17578+0253 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 175745.65+025248.0 Mag 10.97 Calc delta mag 2.61
Calc coord yes
CCDM
Ccdm 17578+0253 RComp Comp B Note1
Note2 Discov num HDS DRAs -2.36 DDEs -12.1
R dRAs 82 Year 1991 Theta 186 Rho 0.2
Obs 1 Vmag 11.0 Sp PmNote *
PmRA -5 PmDE -11 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 87932