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Doubles in session


Current system
17254-0850
HDS 2460
HD 157744


Nearby doubles
24' : 17250-0913
GWP2710AB

39' : 17240-0921
TOK 179AB

43' : 17250-0931
FOX 201AB

43' : 17283-0839
A 29

66' : 17260-0745
RST3975AB

70' : 17208-0902
A 28

73' : 17300-0825
STF2169

81' : 17297-0801
RST3977

90' : 17293-0959
STF2171

95' : 17200-0801
ENG 60AB

101' : 17321-0912
A 2594

104' : 17323-0828
HJ 4960

107' : 17326-0901
LDS 605

107' : 17305-1006
RST3978

110' : 17231-0706
TOK 312

114' : 17226-0704
KPP4036

117' : 17317-0959
HDS2474

125' : 17207-0706
A 2593AB

131' : 17209-1042
RST3971

133' : 17174-0752
STF2144

136' : 17252-0634
JNN 114

140' : 17348-0833
KPP1917

145' : 17217-1103
HU 173

148' : 17156-0825
BRT 467

149' : 17309-1055
RST3979

155' : 17313-1058
HU 673AB



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

17254-0850 HDS 2460 (HD 157744)

 
 
17h 25m 26.33s -08° 49' 42.7" P.A. 341.00 sep 0.7 mag 7.36,11.46 Sp A2 dist. 119.9 pc (391.11 l.y.)
 
 
Coord 2000 17254-0850 Discov num HDS2460 Comp Coord arcsec 2000 17 25 26.33 -08 49 42.7
Date first 1991 Date last 2021 Obs 6
Pa first 336 Pa last 340.9 P.A. Now (θ) 340.9°
Sep first 0.7 Sep last 0.724 Sep. Now (ρ) 0.724"
Mag pri 7.36 Mag sec 11.46 delta mag (ΔM) 4.1 Spectral class A2 (white)
Pri motion ra -035 Sec motion ra
Pri motion dec +004 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 157744 Constellation Ophiuchus SAO 141656 HIP 85273
Tycho2 5658-00588-1 Gaia DR2 4167618255798869376 HD 157744 GC 23570
BD BD-08 4437 Distance 119.9 Distance ly 391.11
 
 
WDS 17254-0850 HDS 2460 (HD 157744) : 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
17254-0850 HDS2460 1991 1 336 0.7 7.36 11.46 A2 172526.33-084942.7
17254-0850 HDS2460 2007 2 340 0.7 7.36 11.46 A2 D 172526.33-084942.7
17254-0850 HDS2460 2014 4 342 0.7 7.36 11.46 A2 172526.33-084942.7
17254-0850 HDS2460 2021 5 341 0.7 7.36 11.46 A2 172526.33-084942.7

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

 
 
WDS 17254-0850 HDS 2460 (HD 157744) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17254-0850 HDS 2460 (HD 157744) : MEASURES
 
 
No records found.

 
 
WDS 17254-0850 (HD 157744) : VIRTUAL EYEPIECE
 
 

17254-0850 HDS2460A mag 7.36 Sp A2 17254-0850 HDS2460B sep 0.7 P.A. 341.10 mag 11.46 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 17254-0850 (HD 157744) : ALADIN DSS IMAGE @ 17h 25m 26.33s -08° 49' 42.7"
 
 
 
 
WDS 17254-0850 HDS 2460 (HD 157744) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17254-0850 HDS2460 distance=0' 17250-0913 GWP2710AB distance=24' 17240-0921 RST3972Aa,Ab distance=39' 17240-0921 TOK 179AB distance=39' 17250-0931 FOX 201AB distance=43' 17250-0931 FOX 201AC distance=43' 17283-0839 A 29 distance=43' 17260-0745 RST3975AB distance=66' 17260-0745 GII 246Aa,Ab distance=66' 17208-0902 A 28 distance=70' 17300-0825 STF2169 distance=73' 17297-0801 RST3977 distance=81' 17293-0959 STF2171 distance=90' 17200-0801 CHR 151Aa,Ab distance=95' 17200-0801 ENG 60AB distance=95' 17321-0912 A 2594 distance=101' 17323-0828 HJ 4960 distance=104' 17326-0901 LDS 605 distance=107' 17305-1006 RST3978 distance=107' 17231-0706 TOK 312 distance=110' 17226-0704 KPP4036 distance=114' 17317-0959 HDS2474 distance=117' 17207-0706 A 2593AB distance=125' 17207-0706 TOK 178AC distance=125' 17209-1042 RST3971 distance=131' 17174-0752 STF2144 distance=133' 17252-0634 JNN 114 distance=136' 17348-0833 KPP1917 distance=140' 17217-1103 HU 173 distance=145' 17156-0825 BRT 467 distance=148' 17309-1055 RST3979 distance=149' 17313-1058 HU 673AB distance=155' 17313-1058 TOK 708Ba,Bb distance=156' 17157-0949 TOK 53Ba,Bb distance=156' 17157-0949 A 2592AB distance=156' 17306-1111 GWP2716 distance=161' 17200-0626 STF2149 distance=166' 17192-1107 REI 1AB distance=166' 17192-1107 KPP4389AC distance=166' 17141-0824 BAR 7 distance=170' 17156-1018 BU 957 distance=171' 17199-1121 STF2148 distance=173' 17240-1142 BU 242AB distance=174' 17240-1142 BU 242AC distance=174' 17240-1142 BU 242AD distance=174' 17137-0831 WRH 8 distance=176' 17137-0825 TSN 181 distance=177' 17136-0917 BU 1247AB distance=178' 17153-0712 TOK 608 distance=180' 17340-1102 HDS2479 distance=183' 17204-1138 ARY 110 distance=183' 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 17254-0850 HDS2460 341 0.7
Show 17250-0913 GWP2710 AB 194 58.5 24
Show 17240-0921 RST3972 Aa,Ab 114 0.1 39
Show 17240-0921 TOK 179 AB 298 18.9 39
Show 17250-0931 FOX 201 AB 124 6.0 43
Show 17250-0931 FOX 201 AC 324 7.2 43
Show 17283-0839 A 29 97 3.2 43
Show 17260-0745 RST3975 AB 28 1.0 66
Show 17260-0745 GII 246 Aa,Ab 166 0.2 66
Show 17208-0902 A 28 36 2.0 70
Show 17300-0825 STF2169 111 15.5 73
Show 17297-0801 RST3977 308 0.3 81
Show 17293-0959 STF2171 59 1.4 90
Show 17200-0801 CHR 151 Aa,Ab 219 0.3 95
Show 17200-0801 ENG 60 AB 232 89.8 95
Show 17321-0912 A 2594 300 0.8 101
Show 17323-0828 HJ 4960 93 6.1 104
Show 17326-0901 LDS 605 343 7.6 107
Show 17305-1006 RST3978 273 0.5 107
Show 17231-0706 TOK 312 167 119.8 110
Show 17226-0704 KPP4036 85 1.7 114
Show 17317-0959 HDS2474 151 0.1 117
Show 17207-0706 A 2593 AB 329 0.3 125
Show 17207-0706 TOK 178 AC 109 10.2 125
Show 17209-1042 RST3971 80 8.6 131
Show 17174-0752 STF2144 178 25.9 133
Show 17252-0634 JNN 114 284 0.4 136
Show 17348-0833 KPP1917 281 15.1 140
Show 17217-1103 HU 173 345 0.6 145
Show 17156-0825 BRT 467 194 4.4 148
Show 17309-1055 RST3979 258 0.5 149
Show 17313-1058 HU 673 AB 179 5.6 155
Show 17313-1058 TOK 708 Ba,Bb 319 0.3 156
Show 17157-0949 TOK 53 Ba,Bb 279 0.0 156
Show 17157-0949 A 2592 AB 70 0.2 156
Show 17306-1111 GWP2716 123 13.6 161
Show 17200-0626 STF2149 23 7.3 166
Show 17192-1107 REI 1 AB 352 8.7 166
Show 17192-1107 KPP4389 AC 142 48.8 166
Show 17141-0824 BAR 7 44 1.5 170
Show 17156-1018 BU 957 56 0.1 171
Show 17199-1121 STF2148 220 5.6 173
Show 17240-1142 BU 242 AB 79 1.2 174
Show 17240-1142 BU 242 AC 64 9.1 174
Show 17240-1142 BU 242 AD 61 48.3 174
Show 17137-0831 WRH 8 340 10.9 176
Show 17137-0825 TSN 181 148 0.0 177
Show 17136-0917 BU 1247 AB 342 1.5 178
Show 17153-0712 TOK 608 5 368.1 180
Show 17340-1102 HDS2479 84 0.7 183
Show 17204-1138 ARY 110 237 77.1 183

 
 
WDS 17254-0850 : COMPONENTS
 
 
  A
B pa=341.1°
sep=0.72"
 
 
17254-0850 A
 
 
Componente originario normalizzato AB Name HD 157744 Coord arcsec 2000 172526.33-084942.7 Mag 7.36
Spectral class A2 (white) PmRA -35.00 PmDE 4.0 SAO 141656
HIP 85273 Tycho2 5658-00588-1 HD 157744 GC 23570
BD BD-08 4437
Tycho2
Tycho2 5658-00588-1 Pflag RAmdeg 261.35960592 DEmdeg -8.82851207
PmRA -33.6 PmDE 4.4 E RAmdeg 5 E DEmdeg 6
E pmRA 1.1 E pmDE 1.1 EpRAm 1991.20 EpDEm 1990.62
Num 13 Q RAmdeg 1.4 Q DEmdeg 1.0 Q pmRA 1.5
Q pmDE 1.1 BTmag 7.801 E BTmag 0.016 VTmag 7.284
E VTmag 0.011 Prox 999 TYC T HIP 85273
CCDM AB RAdeg 261.35968417 DEdeg -8.82852278 EpRA 1990 1.72
EpDE 1990 1.32 E RAdeg 4.5 E DEdeg 5.5 Posflg P
Corr 0.0
SAO
SAO 141656 DelFlag RA1950 PmRA1950 -0.0024
DE1950 PmDE1950 -0.004 Vmag 7 SpType A2
Double code Source 70 CatNum 23570 DM BD-08 4437
DMcomp BDsup HD 157744 M HD 0
GC 23570 RA1950rad 4.54966615 DE1950rad -0.15333287 PmRA2000 -0.0022
PmDE2000 -0.002
Hipparcos
Catalog H HIP 85273 Proxy H RAhms 17 25 26.33
DEdms -08 49 42.7 Vmag 7.23 VarFlag R Vmag H
RAdeg 261.36 DEdeg -8.82853 AstroRef A Plx 9.42
CCDM 17254-0850 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual C M HIP AB
Theta 336 Rho 0.661 HD 157744 BD BD-08 4437
CD CP Dm number -08 4437 VIred 0.54
SpType A2 R SpType Coord arcsec 2000 172526.33-084942.7
Hipparcos 2
HIP 85273 Sn 15 So 3 Nc 2
RArad 4.5615871498 DErad -0.1540868358 Plx 8.34 PmRA -35.36
PmDE 4.49 E RArad 0.75 E DErad 0.47 E Plx 0.79
E pmRA 0.82 E pmDE 0.46 Hpmag 7.3322 E Hpmag 0.0011
SHp 0.006 VA 0 BV 0.477 E BV 0.012
VI 0.55
CCDM
Ccdm 17254-0850 RComp Comp A Note1
Note2 Discov num DRAs 2.30 DDEs 17.3
R dRAs 82 Year Theta Rho
Obs 2 Vmag 7.4 Sp A2 PmNote *
PmRA -35 PmDE 4 Dm number -08 4437 Cat1 BD
Name2 141656 Cat2 SAO HD 157744 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 85273
 
 
17254-0850 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 172526.31-084942.0 Mag 11.46 Calc delta mag 4.1
Calc coord yes
CCDM
Ccdm 17254-0850 RComp Comp B Note1
Note2 Discov num HDS DRAs 2.29 DDEs 17.9
R dRAs 82 Year 1991 Theta 336 Rho 0.7
Obs 1 Vmag 11.5 Sp PmNote *
PmRA -35 PmDE 4 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 85273