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Doubles in session


Current system
02508-3956
HDS 368 Aa,Ab


Nearby doubles
21' : 02501-3938
KPP 627

22' : 02503-4017
HJ 3537

27' : 02485-4001
KPP1239

39' : 02514-4034
KPP 897

50' : 02504-3906
KPP1660

60' : 02457-3943
B 2077

73' : 02566-3927
COO 17

74' : 02453-4034
WG 16

89' : 02583-4018
PZ 2
Acamar

90' : 02454-4101
BRT 651

91' : 02527-4124
I 412

91' : 02429-3959
LDS3421

92' : 02497-3825
LDS3431AB

93' : 02433-4032
HJ 3527AB

96' : 02499-3821
TVB 40

96' : 02536-3826
TOK 652

97' : 02558-3839
B 679

98' : 02456-4114
CPO 30

99' : 02590-3929
RST1249

106' : 02486-4139
WIS 74

107' : 02574-4112
TOI2409AB

107' : 02588-3903
TDS2403

114' : 02588-3851
RST3374

115' : 02594-3859
TDS2407

115' : 03003-4030
NSN 237

119' : 02437-3831
LDS3425



Selections
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Binary Systems
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Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

02508-3956 HDS 368 Aa,Ab

 
 
02h 50m 47.77s -39° 55' 55.9" P.A. 223.00 sep 0.3 mag 6.42,10.24 Sp A0V dist. 88.11 pc (287.41 l.y.)
 
 
Coord 2000 02508-3956 Discov num HDS 368 Comp Aa,Ab Coord arcsec 2000 02 50 47.77 -39 55 55.9
Date first 1991 Date last 1991 Obs 1
Pa first 223 Pa last 223 P.A. Now (θ) 223°
Sep first 0.3 Sep last 0.314 Sep. Now (ρ) 0.314"
Mag pri 6.42 Mag sec 10.24 delta mag (ΔM) 3.82 Spectral class A0V (white)
Pri motion ra +042 Sec motion ra
Pri motion dec -010 Sec motion dec
Notes N X (See Notes, Dubious double)
Nature of this double is uncertain.
 
 
02508-3956 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 216065 02 50 48 -39 55 56 HDS 368 Aa,Ab 1991 1 223 0.3 6.42 10.24 3.82 <===
Show HD 17864 216065 02 50 48 -39 55 56 SHY 427 AB 1999 4 114 999.9 6.37 8.37 2.00
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Eridanus SAO 216065 HIP 13271 Tycho2 7559-00126-1
Gaia DR2 4949158198924394496 HD 17864 HR 853 CD CD-40 736
CP CP-40 239 Distance 88.11 Distance ly 287.41
 
 
WDS 02508-3956 HDS 368 Aa,Ab : NOTES
 
 
discov_num notes refcode
SHY 427 AB: HIP 13271 + HIP 13499.
 
 
REFERENCES
 
 
refcode metd author reference
HDS Hipparcos Double Star (from additional DD list) ...................
Shy2011 - Shaya, E.J. & Olling, R. 2011ApJS..192....2S
Shy2011 ApJS 192, 2, 2011
Shy2011 (Statistical analysis of probability that wide Hipparcos pairs are physical. Pairs
Shy2011 added to WDS only if probability 90% or greater.)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02508-3956 HDS 368 Aa,Ab 1991 1 223 0.3 6.42 10.24 A0V D 025047.77-395555.9

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

 
 
WDS 02508-3956 HDS 368 Aa,Ab : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 02508-3956 HDS 368 Aa,Ab : MEASURES
 
 
No records found.

 
 
WDS 02508-3956 : VIRTUAL EYEPIECE
 
 

02508-3956 SHY 427A mag 6.37 Sp A0V 02508-3956 HDS 368Ab sep 0.3 P.A. 215.60 mag 10.24 02508-3956 SHY 427B sep 1870.6 P.A. 120.10 mag 8.37 Sp F5V 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 02508-3956 : ALADIN DSS IMAGE @ 02h 50m 47.77s -39° 55' 55.9"
 
 
 
 
WDS 02508-3956 HDS 368 Aa,Ab : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

02508-3956 HDS 368Aa,Ab distance=0' 02501-3938 KPP 627 distance=21' 02503-4017 HJ 3537 distance=22' 02485-4001 KPP1239 distance=27' 02514-4034 KPP 897 distance=39' 02504-3906 KPP1660 distance=50' 02457-3943 B 2077 distance=60' 02566-3927 COO 17 distance=73' 02453-4034 WG 16 distance=74' 02583-4018 PZ 2 (Acamar) distance=89' 02454-4101 BRT 651 distance=90' 02527-4124 I 412 distance=91' 02429-3959 LDS3421 distance=91' 02497-3825 LDS3431AB distance=92' 02433-4032 HJ 3527AB distance=93' 02433-4032 ARY 95AC distance=93' 02499-3821 TVB 40 distance=96' 02536-3826 TOK 652 distance=96' 02558-3839 B 679 distance=97' 02456-4114 CPO 30 distance=98' 02590-3929 RST1249 distance=99' 02486-4139 WIS 74 distance=106' 02574-4112 TOI2409Aa,Ab distance=107' 02574-4112 TOI2409AB distance=107' 02588-3903 TDS2403 distance=107' 02588-3851 RST3374 distance=114' 02594-3859 TDS2407 distance=115' 03003-4030 NSN 237 distance=115' 02437-3831 LDS3425 distance=119' 02583-4132 UC 918 distance=129' 02396-3958 I 53 distance=129' 03017-4035 TDS 98 distance=131' 03018-3928 B 681 distance=131' 03008-4059 UC 930 distance=131' 02409-3839 HDS 350 distance=139' 02482-4215 KPP2845 distance=142' 03021-3859 TDS2420 distance=143' 02382-4002 I 459 distance=145' 03036-3956 TSN 48 distance=148' 02434-3756 TOK 187 distance=148' 02444-4206 UC 794 distance=149' 02588-3758 TDS2402 distance=150' 02583-4201 KPP2212 distance=152' 03040-4006 I 1144 distance=152' 02486-3724 HJ 3532 distance=154' 02435-4207 TDS2342 distance=156' 02383-4110 HDS 344 distance=161' 02372-4036 WG 14 distance=161' 02398-4144 TDS2324 distance=166' 02503-4250 BRT 652 distance=175' 02508-4251 I 1143 distance=176' 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 02508-3956 HDS 368 Aa,Ab 223 0.3
Show 02508-3956 SHY 427 AB 114 999.9
Show 02501-3938 KPP 627 181 5.7 21
Show 02503-4017 HJ 3537 31 15.9 22
Show 02485-4001 KPP1239 30 9.5 27
Show 02514-4034 KPP 897 289 7.5 39
Show 02504-3906 KPP1660 263 12.8 50
Show 02457-3943 B 2077 18 10.5 60
Show 02566-3927 COO 17 190 3.3 73
Show 02453-4034 WG 16 353 9.3 74
Show Acamar 02583-4018 PZ 2 90 8.2 89
Show 02454-4101 BRT 651 209 8.8 90
Show 02527-4124 I 412 288 20.3 91
Show 02429-3959 LDS3421 292 10.6 91
Show 02497-3825 LDS3431 AB 184 3.8 92
Show 02433-4032 HJ 3527 AB 41 2.3 93
Show 02433-4032 ARY 95 AC 80 132.8 93
Show 02499-3821 TVB 40 67 4.7 96
Show 02536-3826 TOK 652 222 560.9 96
Show 02558-3839 B 679 54 2.2 97
Show 02456-4114 CPO 30 33 2.2 98
Show 02590-3929 RST1249 52 1.6 99
Show 02486-4139 WIS 74 154 788.2 106
Show 02574-4112 TOI2409 Aa,Ab 156 0.1 107
Show 02574-4112 TOI2409 AB 271 23.8 107
Show 02588-3903 TDS2403 190 0.5 107
Show 02588-3851 RST3374 91 0.3 114
Show 02594-3859 TDS2407 151 0.5 115
Show 03003-4030 NSN 237 250 1.4 115
Show 02437-3831 LDS3425 99 18.9 119
Show 02583-4132 UC 918 148 17.4 129
Show 02396-3958 I 53 330 3.7 129
Show 03017-4035 TDS 98 227 1.0 131
Show 03018-3928 B 681 180 1.3 131
Show 03008-4059 UC 930 54 20.2 131
Show 02409-3839 HDS 350 42 0.9 139
Show 02482-4215 KPP2845 79 6.8 142
Show 03021-3859 TDS2420 2 5.0 143
Show 02382-4002 I 459 95 1.5 145
Show 03036-3956 TSN 48 36 16.6 148
Show 02434-3756 TOK 187 203 0.3 148
Show 02444-4206 UC 794 133 72.2 149
Show 02588-3758 TDS2402 234 0.5 150
Show 02583-4201 KPP2212 293 18.3 152
Show 03040-4006 I 1144 284 0.2 152
Show 02486-3724 HJ 3532 144 5.3 154
Show 02435-4207 TDS2342 309 2.1 156
Show 02383-4110 HDS 344 298 0.2 161
Show 02372-4036 WG 14 252 3.0 161
Show 02398-4144 TDS2324 223 1.9 166
Show 02503-4250 BRT 652 159 3.4 175

 
 
WDS 02508-3956 : COMPONENTS
 
 
  A Ab
Ab pa=215.6°
sep=0.28"
 
B pa=120.1°
sep=1870.58"
pa=120.1°
sep=1870.60"
 
 
02508-3956 A
 
 
Name HD 17864 Coord arcsec 2000 025047.77-395555.9 Mag 6.37 Spectral class A0V (white)
PmRA 42.00 PmDE -10.0 SAO 216065 HIP 13271
Tycho2 7559-00126-1 HD 17864 HR 853 GC 3432
CD CD-40 736 CP CP-40 239
Tycho2
Tycho2 7559-00126-1 Pflag RAmdeg 42.69920108 DEmdeg -39.93221574
PmRA 44.7 PmDE -6.2 E RAmdeg 4 E DEmdeg 4
E pmRA 1.1 E pmDE 1.1 EpRAm 1991.30 EpDEm 1991.41
Num 12 Q RAmdeg 1.2 Q DEmdeg 1.0 Q pmRA 1.2
Q pmDE 1.1 BTmag 6.414 E BTmag 0.014 VTmag 6.367
E VTmag 0.010 Prox 999 TYC T HIP 13271
CCDM AB RAdeg 42.69906556 DEdeg -39.93220111 EpRA 1990 1.63
EpDE 1990 1.68 E RAdeg 3.5 E DEdeg 3.5 Posflg P
Corr 0.2
SAO
SAO 216065 DelFlag RA1950 PmRA1950 0.0043
DE1950 PmDE1950 0.011 Vmag 6.3 SpType B9
Double code Source 70 CatNum 3432 DM CD-40 736
DMcomp BDsup HD 17864 M HD 0
GC 3432 RA1950rad 0.73680522 DE1950rad -0.70052868 PmRA2000 0.0048
PmDE2000 0.007
Hipparcos
Catalog H HIP 13271 Proxy H RAhms 02 50 47.77
DEdms -39 55 55.9 Vmag 6.36 VarFlag R Vmag H
RAdeg 42.6991 DEdeg -39.9322 AstroRef A Plx 10.02
CCDM 02508-3956 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual C M HIP AB
Theta 223 Rho 0.314 HD 17864 BD
CD CD-40 736 CP CP-40 239 Dm number -40 736 VIred 0.06
SpType A0V R SpType Coord arcsec 2000 025047.77-395555.9
Hipparcos 2
HIP 13271 Sn 15 So 3 Nc 2
RArad 0.7452392154 DErad -0.6969483496 Plx 11.35 PmRA 41.77
PmDE -11.19 E RArad 0.25 E DErad 0.32 E Plx 0.39
E pmRA 0.32 E pmDE 0.42 Hpmag 6.3848 E Hpmag 0.0006
SHp 0.007 VA 0 BV 0.04 E BV 0.004
VI 0.06
CCDM
Ccdm 02508-3956 RComp Comp A Note1
Note2 Discov num DRAs -0.19 DDEs 4.0
R dRAs 82 Year Theta Rho
Obs 2 Vmag 6.4 Sp A0 PmNote *
PmRA 42 PmDE -10 Dm number -40 736 Cat1 CD
Name2 216065 Cat2 SAO HD 17864 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 13271
 
 
02508-3956 Ab
 
 
Coord arcsec 2000 025047.76-395556.1 Mag 10.24 Calc delta mag 3.82 Calc coord yes
 
 
02508-3956 B
 
 
Coord arcsec 2000 025308.61-401136.5 Mag 8.37 Spectral class F5V (yellow-white) PmRA 43.00
PmDE -7.0 Calc delta mag 1.95 Calc coord yes
CCDM
Ccdm 02508-3956 RComp Comp B Note1
Note2 Discov num HDS DRAs -0.21 DDEs 3.8
R dRAs 82 Year 1991 Theta 223 Rho 0.3
Obs 1 Vmag 10.2 Sp PmNote *
PmRA 42 PmDE -10 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 13271