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Current system
03023+4124
WAL 20 CD


Nearby doubles
12' : 03032+4121
COU1381

14' : 03025+4137
ES 1512

30' : 03033+4056
ES 1614AB

31' : 03007+4148
LDS2820

33' : 02595+4110
ES 1510

36' : 03012+4049
BRT 337

38' : 02590+4134
TDS2404

41' : 02588+4115
BRT 336

42' : 03024+4204
BRT1135

45' : 03013+4208
LDS1142

45' : 02589+4147
ES 1509

46' : 03026+4208
BRT1136

46' : 03025+4038
LDS2825

46' : 03041+4204
LDS2828

60' : 02572+4141
UC 899AB

62' : 03014+4021
COU1379

66' : 02564+4126
HDS 377

68' : 03055+4027
LDS2830

68' : 02562+4129
UC 885

68' : 03074+4048
ES 1615

69' : 02599+4020
LDS2817

70' : 02562+4136
UC 884

72' : 02559+4126
UC 876AB

72' : 02559+4130
LDS2812

72' : 03082+4057
BU 526AB
Algol

73' : 02559+4139
UC 875



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.

03023+4124 WAL 20 CD

 
 
03h 02m 12.54s +41° 22' 22.0" P.A. 191.00 sep 20.7 mag 8.89,12.86 Sp K0
 
 
Coord 2000 03023+4124 Discov num WAL  20 Comp CD Coord arcsec 2000 03 02 12.54 +41 22 22.0
Date first 1895 Date last 2015 Obs 10
Pa first 189 Pa last 191.2 P.A. Now (θ) 191.2°
Sep first 20.6 Sep last 20.691 Sep. Now (ρ) 20.691"
Mag pri 8.89 Mag sec 12.86 delta mag (ΔM) 3.97 Spectral class K0 (yellow-orange)
Pri motion ra +008 Sec motion ra +001
Pri motion dec -007 Sec motion dec -002
Notes N W (See Notes, )
rPM=0.809
This double is not physical.
 
 
03023+4124 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 18751 38525 03 02 17 +41 23 46 STF 337 AB 2016 29 163 17.6 7.99 9.34 1.35
Show 38525 03 02 17 +41 23 46 WAL 20 AC 2015 23 209 97.9 7.99 8.89 0.90
Show 03 02 13 +41 22 22 WAL 20 CD 2015 10 191 20.7 8.89 12.86 3.97 <===
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Perseus Tycho2 2855-00922-1 Gaia DR2 240117641403168384
 
 
WDS 03023+4124 WAL 20 CD : NOTES
 
 
discov_num notes refcode
STF 337 B is below MS in both (V,V-K) and (J,J-K) CMDs: wrong plx(B)=39.9mas!
Wrong PM(B) in HIP? Tok2014d
 
 
REFERENCES
 
 
refcode metd author reference
Tok2014d E2 - Tokovinin, A. 2014AJ....147...86T
Tok2014d AJ 147, 86, 2014
 
 
DISCOVERER
 
 
idgroup discov author
1 STF Struve, F.G.W.
34 WAL Wallenquist, A.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
03023+4124 WAL 20 CD 1944 1 180 15.0 8.89 12.62 D 030212.54+412222.0
03023+4124 WAL 20 CD 1998 3 191 20.8 8.89 12.62 D 030212.54+412222.0
03023+4124 WAL 20 CD 2008 4 192 20.7 8.89 12.62 D 030212.54+412222.0
03023+4124 WAL 20 CD 2015 6 191 20.7 8.89 12.86 K0 N W 030212.54+412222.0

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

 
 
WDS 03023+4124 WAL 20 CD : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 03023+4124 WAL 20 CD : MEASURES
 
 
No records found.

 
 
WDS 03023+4124 : VIRTUAL EYEPIECE
 
 

03023+4124 STF 337A mag 7.99 Sp F5 03023+4124 STF 337B sep 17.2 P.A. 166.80 mag 9.34 03023+4124 WAL 20C sep 96.4 P.A. 209.70 mag 8.89 Sp K0 03023+4124 WAL 20D sep 115.8 P.A. 206.10 mag 12.86 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 03023+4124 : ALADIN DSS IMAGE @ 03h 02m 12.54s +41° 22' 22.0"
 
 
 
 
WDS 03023+4124 WAL 20 CD : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

03023+4124 WAL 20CD distance=0' 03023+4124 STF 337AB distance=2' 03023+4124 WAL 20AC distance=2' 03032+4121 COU1381 distance=12' 03025+4137 ES 1512 distance=14' 03033+4056 ES 1614AB distance=30' 03033+4056 ES 1614AC distance=30' 03007+4148 LDS2820 distance=31' 02595+4110 ES 1510 distance=33' 03012+4049 BRT 337 distance=36' 02590+4134 TDS2404 distance=38' 02588+4115 BRT 336 distance=41' 03024+4204 BRT1135 distance=42' 03013+4208 LDS1142 distance=45' 02589+4147 ES 1509 distance=45' 03026+4208 BRT1136 distance=46' 03025+4038 LDS2825 distance=46' 03041+4204 LDS2828 distance=46' 02572+4141 UC 899AB distance=60' 02572+4141 UC 899AC distance=60' 02572+4141 UC 899BC distance=60' 03014+4021 COU1379 distance=62' 02564+4126 HDS 377 distance=66' 03055+4027 LDS2830 distance=68' 02562+4129 UC 885 distance=68' 03074+4048 ES 1615 distance=68' 02599+4020 LDS2817 distance=69' 02562+4136 UC 884 distance=70' 02559+4126 UC 876AB distance=72' 02559+4126 UC 876AC distance=72' 02559+4130 LDS2812 distance=72' 03082+4057 LAB 2Aa,Ab (Algol) distance=72' 03082+4057 BU 526AB (Algol) distance=72' 03082+4057 BU 526AD (Algol) distance=72' 03082+4057 DAL 46AF (Algol) distance=72' 03082+4057 BU 526AC (Algol) distance=72' 03082+4057 BU 526AE (Algol) distance=72' 03082+4057 CSI 1Aa1,2 (Algol) distance=72' 03082+4057 JNN 3AH (Algol) distance=72' 03082+4057 BU 526DE distance=73' 02559+4139 UC 875 distance=73' 03082+4057 BU 526BC distance=73' 03082+4057 DAL 46FG distance=74' 02557+4133 UC 873 distance=74' 02551+4118 UC 861DE distance=80' 02551+4118 UC 861AB distance=80' 02551+4118 UC 861AC distance=80' 02551+4118 UC 861AD distance=80' 02551+4118 UC 861AE distance=80' 03069+4022 A 1532 distance=81' 02564+4034 LDS2814 distance=82' 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 03023+4124 WAL 20 CD 191 20.7
Show 03023+4124 STF 337 AB 163 17.6 2
Show 03023+4124 WAL 20 AC 209 97.9 2
Show 03032+4121 COU1381 71 0.2 12
Show 03025+4137 ES 1512 128 5.8 14
Show 03033+4056 ES 1614 AB 136 2.4 30
Show 03033+4056 ES 1614 AC 60 39.4 30
Show 03007+4148 LDS2820 128 10.3 31
Show 02595+4110 ES 1510 144 4.9 33
Show 03012+4049 BRT 337 4.7 36
Show 02590+4134 TDS2404 124 0.9 38
Show 02588+4115 BRT 336 253 5.4 41
Show 03024+4204 BRT1135 16 4.1 42
Show 03013+4208 LDS1142 211 40.2 45
Show 02589+4147 ES 1509 178 6.5 45
Show 03026+4208 BRT1136 302 3.0 46
Show 03025+4038 LDS2825 121 62.8 46
Show 03041+4204 LDS2828 113 21.4 46
Show 02572+4141 UC 899 AB 348 48.2 60
Show 02572+4141 UC 899 AC 280 27.1 60
Show 02572+4141 UC 899 BC 202 45.6 60
Show 03014+4021 COU1379 77 0.7 62
Show 02564+4126 HDS 377 335 0.2 66
Show 03055+4027 LDS2830 56 118.2 68
Show 02562+4129 UC 885 152 33.9 68
Show 03074+4048 ES 1615 212 1.8 68
Show 02599+4020 LDS2817 1 22.1 69
Show 02562+4136 UC 884 43 48.8 70
Show 02559+4126 UC 876 AB 26 50.9 72
Show 02559+4126 UC 876 AC 123 27.3 72
Show 02559+4130 LDS2812 138 14.1 72
Show Algol 03082+4057 LAB 2 Aa,Ab 304 0.1 72
Show Algol 03082+4057 BU 526 AB 156 59.4 72
Show Algol 03082+4057 BU 526 AD 193 82.6 72
Show Algol 03082+4057 DAL 46 AF 111 93.2 72
Show Algol 03082+4057 BU 526 AC 147 68.6 72
Show Algol 03082+4057 BU 526 AE 186 85.5 72
Show Algol 03082+4057 CSI 1 Aa1,2 43 0.0 72
Show Algol 03082+4057 JNN 3 AH 206 5.1 72
Show 03082+4057 BU 526 DE 121 10.9 73
Show 02559+4139 UC 875 197 84.8 73
Show 03082+4057 BU 526 BC 104 13.7 73
Show 03082+4057 DAL 46 FG 284 6.2 74
Show 02557+4133 UC 873 310 54.0 74
Show 02551+4118 UC 861 DE 216 47.8 80
Show 02551+4118 UC 861 AB 263 22.0 80
Show 02551+4118 UC 861 AC 22 49.3 80
Show 02551+4118 UC 861 AD 116 34.3 80
Show 02551+4118 UC 861 AE 177 54.0 80
Show 03069+4022 A 1532 225 2.9 81
Show 02564+4034 LDS2814 145 21.5 82

 
 
WDS 03023+4124 : COMPONENTS
 
 
  A B C
B pa=166.8°
sep=17.25"
 
C pa=209.7°
sep=96.40"
pa=217.7°
sep=84.60"
 
D pa=206.1°
sep=115.76"
pa=212.1°
sep=102.99"
pa=188.5°
sep=20.52"
 
 
03023+4124 A
 
 
Name HD 18751 Coord arcsec 2000 030216.79+412345.7 Mag 7.99 Spectral class F5 (yellow-white)
PmRA 1.00 PmDE 107.0 SAO 38525 HIP 14134
Tycho2 2855-00786-1 HD 18751 GC 3632 BD BD+40 651
Tycho2
Tycho2 2855-00786-1 Pflag RAmdeg 45.56996311 DEmdeg 41.39602963
PmRA 1.2 PmDE 109.8 E RAmdeg 5 E DEmdeg 6
E pmRA 1.0 E pmDE 1.1 EpRAm 1991.40 EpDEm 1991.25
Num 8 Q RAmdeg 1.0 Q DEmdeg 1.0 Q pmRA 1.0
Q pmDE 0.9 BTmag 8.560 E BTmag 0.017 VTmag 7.987
E VTmag 0.011 Prox 174 TYC T HIP 14134
CCDM A RAdeg 45.56995917 DEdeg 41.39577389 EpRA 1990 1.75
EpDE 1990 1.61 E RAdeg 5.1 E DEdeg 5.9 Posflg
Corr -0.4
SAO
SAO 38525 DelFlag RA1950 PmRA1950 0.0004
DE1950 PmDE1950 0.107 Vmag 8.5 SpType F5
Double code Source 70 CatNum 3632 DM BD+40 651
DMcomp BDsup HD 18751 M HD 0
GC 3632 RA1950rad 0.78113738 DE1950rad 0.71904454 PmRA2000 0.0005
PmDE2000 0.104
Hipparcos
Catalog H HIP 14134 Proxy RAhms 03 02 16.79
DEdms +41 23 44.8 Vmag 7.96 VarFlag R Vmag G
RAdeg 45.57 DEdeg 41.3958 AstroRef A Plx 18.91
CCDM 03023+4124 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual A M HIP
Theta Rho HD 18751 BD BD+40 651
CD CP Dm number +40 651 VIred 0.6
SpType F5 R SpType Coord arcsec 2000 030216.79+412344.8
Hipparcos 2
HIP 14134 Sn 95 So 3 Nc 1
RArad 0.7953457937 DErad 0.7224923733 Plx 20.92 PmRA 7.8
PmDE 104.51 E RArad 1.4 E DErad 0.89 E Plx 1.68
E pmRA 1.8 E pmDE 1.76 Hpmag 8.0684 E Hpmag 0.01
SHp 0.03 VA 0 BV 0.529 E BV 0.005
VI 0.6
CCDM
Ccdm 03023+4124 RComp Comp A Note1
Note2 Discov num DRAs -1.15 DDEs -14.5
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.7 Sp F5 PmNote *
PmRA 15 PmDE 106 Dm number +40 651 Cat1 BD
Name2 +41 324 Cat2 AGK2/3 HD 18751 M HD
ADS BDS A 2292 M ADS BDS N IDS IDS 02558N4100A
HIC 14134
 
 
03023+4124 B
 
 
Coord arcsec 2000 030217.14+412328.9 Mag 9.34 PmRA 3.00 PmDE 106.0
HIP 14137 Tycho2 2855-02023-1 Calc delta mag 1.35 Calc coord yes
Tycho2
Tycho2 2855-02023-1 Pflag RAmdeg 45.57188521 DEmdeg 41.39142519
PmRA 0.8 PmDE 112.1 E RAmdeg 14 E DEmdeg 18
E pmRA 1.4 E pmDE 1.4 EpRAm 1990.72 EpDEm 1989.90
Num 3 Q RAmdeg 1.3 Q DEmdeg 0.9 Q pmRA 1.3
Q pmDE 0.9 BTmag 10.077 E BTmag 0.030 VTmag 9.335
E VTmag 0.021 Prox 174 TYC T HIP 14137
CCDM B RAdeg 45.57188306 DEdeg 41.39116417 EpRA 1990 1.75
EpDE 1990 1.62 E RAdeg 14.0 E DEdeg 17.5 Posflg
Corr -0.5
Hipparcos
Catalog H HIP 14137 Proxy RAhms 03 02 17.25
DEdms +41 23 28.0 Vmag 9.73 VarFlag R Vmag G
RAdeg 45.5719 DEdeg 41.3911 AstroRef B Plx 34.91
CCDM 03023+4124 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual A M HIP
Theta Rho HD BD
CD CP Dm number VIred 0.82
SpType R SpType Coord arcsec 2000 030217.25+412328.0
Hipparcos 2
HIP 14137 Sn 95 So 3 Nc 1
RArad 0.7953795929 DErad 0.7224109525 Plx 39.87 PmRA 41.84
PmDE 104.12 E RArad 9.18 E DErad 6.62 E Plx 10.61
E pmRA 12.66 E pmDE 12.9 Hpmag 9.5131 E Hpmag 0.0326
SHp 0 VA 0 BV 0.788 E BV 0.006
VI 0.82
CCDM
Ccdm 03023+4124 RComp Comp B Note1
Note2 Discov num STF 337 DRAs DDEs
R dRAs Year 1832 Theta 163 Rho 17.5
Obs 8 Vmag 10.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 2292 M ADS BDS N IDS IDS 02558N4100B
HIC 14137
 
 
03023+4124 C
 
 
Coord arcsec 2000 030212.54+412222.0 Coord calc 030212.54+412222.0 Mag 8.89 Spectral class K0 (yellow-orange)
PmRA 8.00 PmDE -7.0 Tycho2 2855-00922-1 Calc delta mag 0.9
Tycho2
Tycho2 2855-00922-1 Pflag RAmdeg 45.55224436 DEmdeg 41.37277342
PmRA 8.1 PmDE -6.4 E RAmdeg 10 E DEmdeg 11
E pmRA 1.1 E pmDE 1.1 EpRAm 1990.49 EpDEm 1989.73
Num 7 Q RAmdeg 1.1 Q DEmdeg 1.0 Q pmRA 1.1
Q pmDE 0.9 BTmag 10.177 E BTmag 0.028 VTmag 8.888
E VTmag 0.015 Prox 848 TYC T HIP
CCDM RAdeg 45.55222056 DEdeg 41.37278944 EpRA 1990 1.76
EpDE 1990 1.55 E RAdeg 9.6 E DEdeg 11.9 Posflg
Corr -0.3
 
 
03023+4124 D
 
 
Coord arcsec 2000 030212.27+412201.7 Mag 12.86 PmRA 1.00 PmDE -2.0
Calc delta mag 4.87 Calc coord yes