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Doubles in session


Current system
03176+4241
WAL 21 AD


Nearby doubles
9' : 03168+4243
LDS2839

13' : 03167+4237
LDS9149

31' : 03194+4304
ES 1514AB

35' : 03155+4307
LDS2838

42' : 03176+4322
COU1513

47' : 03213+4302
A 1706AB

56' : 03202+4153
GRV 172

57' : 03211+4322
A 1705

58' : 03214+4320
VIG 4

66' : 03217+4153
SKF1682

69' : 03197+4136
SHN 77

70' : 03239+4242
J 1360

71' : 03127+4326
LDS2835

71' : 03215+4144
LDS2843

71' : 03111+4242
LDS2833

72' : 03192+4351
COU1514

74' : 03131+4335
GRV 167

75' : 03229+4329
POP 147

77' : 03107+4256
LDS2832

77' : 03114+4205
LDS2834

80' : 03133+4138
TDS2484

84' : 03119+4146
ES 1513

86' : 03208+4359
LDS1143

91' : 03242+4333
LDS2846

91' : 03248+4159
A 1288

106' : 03135+4417
ES 559



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.
 
 
WDS 03176+4241 : COMPONENTS
 
 
  A B C
B pa=234.3°
sep=75.62"
 
C pa=234.4°
sep=76.25"
pa=243.7°
sep=0.64"
 
D pa=29.7°
sep=46.36"
pa=45.0°
sep=119.34"
pa=45.1°
sep=119.94"
 
 
03176+4241 A
 
 
Name HD 20316 Coord arcsec 2000 031735.06+424030.4 Mag 7.54 Spectral class F0 (yellow-white)
PmRA 36.00 PmDE -25.0 SAO 38703 HIP 15313
Tycho2 2856-01967-1 HD 20316 BD BD+42 736
Tycho2
Tycho2 2856-01967-1 Pflag RAmdeg 49.39607864 DEmdeg 42.67511461
PmRA 33.9 PmDE -23.9 E RAmdeg 5 E DEmdeg 5
E pmRA 1.3 E pmDE 1.3 EpRAm 1991.38 EpDEm 1991.33
Num 7 Q RAmdeg 0.6 Q DEmdeg 0.4 Q pmRA 0.6
Q pmDE 0.3 BTmag 7.875 E BTmag 0.015 VTmag 7.537
E VTmag 0.011 Prox 999 TYC T HIP 15313
CCDM RAdeg 49.39597167 DEdeg 42.67517056 EpRA 1990 1.64
EpDE 1990 1.59 E RAdeg 4.8 E DEdeg 5.0 Posflg
Corr -0.3
SAO
SAO 38703 DelFlag RA1950 PmRA1950 0.004
DE1950 PmDE1950 -0.022 Vmag 7.7 SpType F0
Double code Source 4 CatNum 365 DM BD+42 736
DMcomp BDsup HD 20316 M HD 0
GC RA1950rad 0.84756364 DE1950rad 0.74163714 PmRA2000 0.004
PmDE2000 -0.025
Hipparcos
Catalog H HIP 15313 Proxy RAhms 03 17 35.03
DEdms +42 40 30.6 Vmag 7.51 VarFlag R Vmag H
RAdeg 49.396 DEdeg 42.6752 AstroRef Plx 5.29
CCDM 03175+4240 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 20316 BD BD+42 736
CD CP Dm number +42 736 VIred 0.39
SpType F0 R SpType Coord arcsec 2000 031735.03+424030.6
Hipparcos 2
HIP 15313 Sn 5 So 0 Nc 1
RArad 0.8621222305 DErad 0.74482225 Plx 5.97 PmRA 36.37
PmDE -24.3 E RArad 0.45 E DErad 0.44 E Plx 0.65
E pmRA 0.57 E pmDE 0.54 Hpmag 7.586 E Hpmag 0.0016
SHp 0.014 VA 0 BV 0.331 E BV 0.015
VI 0.39
 
 
03176+4241 B
 
 
Coord arcsec 2000 031729.49+423946.3 Mag 11.9 PmRA 1.00 PmDE -6.0
Calc delta mag 4.36
 
 
03176+4241 C
 
 
Coord arcsec 2000 031729.44+423946.0 Mag 13.2 Calc delta mag 5.66 Calc coord yes
 
 
03176+4241 D
 
 
Coord arcsec 2000 031737.14+424110.7 Mag 11.94 PmRA -2.00 PmDE -7.0
Calc delta mag 4.4 Calc coord yes