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Doubles in session


Current system
23051+5844
GRF 21 AB
HD 218187


Nearby doubles
14' : 23044+5831
STI2932

17' : 23034+5834
HDS3285

19' : 23054+5825
HJ 1847

21' : 23076+5837
CBL 107

26' : 23057+5818
STI2937

30' : 23052+5815
A 636AB

30' : 23029+5820
TDT3856

38' : 23003+5837
CVR 272

44' : 23094+5908
STI2949

44' : 23056+5758
MLB 102

47' : 23107+5900
MLR 364

49' : 23086+5925
STI2946

51' : 23097+5920
BU 1526AB

55' : 22583+5831
MLB 99

59' : 23116+5816
STI2954

60' : 23109+5807
STI2951AB

61' : 23118+5813
CVR 275

66' : 23001+5937
MLR 268

66' : 23092+5747
MLR 559

69' : 23098+5945
B 2906

70' : 23037+5735
STI2931

71' : 22563+5831
SKF 945AB

71' : 23063+5733
STI2939

72' : 23122+5929
CTI7669

73' : 23116+5936
TDS1204

73' : 22570+5809
TDT3808



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.

23051+5844 GRF 21 AB (HD 218187)

 
 
23h 05m 06.34s +58° 43' 56.7" P.A. 346.00 sep 126.0 mag 7.02,11.05 Sp G8III dist. 269.54 pc (879.24 l.y.)
 
 
Coord 2000 23051+5844 Discov num GRF  21 Comp AB Coord arcsec 2000 23 05 06.34 +58 43 56.7
Date first 1901 Date last 2015 Obs 7
Pa first 346 Pa last 345.5 P.A. Now (θ) 345.5°
Sep first 125.5 Sep last 125.978 Sep. Now (ρ) 125.978"
Mag pri 7.02 Mag sec 11.05 delta mag (ΔM) 4.03 Spectral class G8III (yellow)
Pri motion ra +014 Sec motion ra +004
Pri motion dec +004 Sec motion dec -002
Notes U (Proper motion indicates non-physical)
rPM=0.801
This double is not physical.
 
 
23051+5844 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 218187 35133 23 05 06 +58 43 57 GRF 21 AB 2015 7 346 126.0 7.02 11.05 4.03 <===
Show 35133 23 05 06 +58 43 57 GRF 21 AC 2015 7 273 166.1 7.02 8.23 1.21
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 218187 Constellation Cassiopeia SAO 35133 HIP 113993
Tycho2 3997-01734-1 Gaia DR2 2013290628957109888 HD 218187 GC 32167
BD BD+57 2688 Distance 269.54 Distance ly 879.24
 
 
WDS 23051+5844 GRF 21 AB (HD 218187) : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
GRF Griffin, R.F.
GRF Griffin, R.F., Griffin, R.E.M., Snyder, L.F., Schroder, K.-P., Pray, D.,
GRF Ohshima, O., Tokoro, T., Clark, W.E., Williams, D.B., Houchen, M.B., Arai, K.,
GRF Krisciunas, K. & Watson, J.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
23051+5844 GRF 21 AB 2000 1 342 126.0 6.90 11.10 G8III +57 2688 230506.34+584356.7
23051+5844 GRF 21 AB 2010 4 346 126.1 7.02 11.05 G8III +57 2688 U 230506.34+584356.7
23051+5844 GRF 21 AB 2015 7 346 126.0 7.02 11.05 G8III +57 2688 U 230506.34+584356.7

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

 
 
WDS 23051+5844 GRF 21 AB (HD 218187) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 23051+5844 GRF 21 AB (HD 218187) : MEASURES
 
 
No records found.

 
 
WDS 23051+5844 (HD 218187) : VIRTUAL EYEPIECE
 
 

23051+5844 GRF 21A mag 7.02 Sp G8III 23051+5844 GRF 21B sep 126.0 P.A. 345.50 mag 11.05 23051+5844 GRF 21C sep 166.1 P.A. 272.90 mag 8.23 Sp A0 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 23051+5844 (HD 218187) : ALADIN DSS IMAGE @ 23h 05m 06.34s +58° 43' 56.7"
 
 
 
 
WDS 23051+5844 GRF 21 AB (HD 218187) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

23051+5844 GRF 21AB distance=0' 23044+5831 STI2932 distance=14' 23034+5834 HDS3285 distance=17' 23054+5825 HJ 1847 distance=19' 23076+5837 CBL 107 distance=21' 23057+5818 STI2937 distance=26' 23052+5815 A 636AB distance=30' 23052+5815 MZA 35AC distance=30' 23052+5815 MZA 35AD distance=30' 23029+5820 TDT3856 distance=30' 23003+5837 CVR 272 distance=38' 23094+5908 STI2949 distance=44' 23056+5758 MLB 102 distance=44' 23107+5900 MLR 364 distance=47' 23086+5925 STI2946 distance=49' 23097+5920 S 823CD distance=50' 23097+5920 BU 1526AB distance=51' 23097+5920 S 823AC distance=51' 23097+5920 WAL 145AE distance=51' 23097+5920 KUI 115AF distance=51' 23097+5920 KUI 115AG distance=51' 23097+5920 S 823AD distance=51' 22583+5831 MLB 99 distance=55' 23116+5816 STI2954 distance=59' 23109+5807 HDS3303Aa,Ab distance=60' 23109+5807 STI2951AB distance=60' 23118+5813 CVR 275 distance=61' 23001+5937 MLR 268 distance=66' 23092+5747 MLR 559 distance=66' 23098+5945 B 2906 distance=69' 23037+5735 STI2931 distance=70' 22563+5831 SKF 945AB distance=71' 22563+5831 SKF 945AC distance=71' 23063+5733 STI2939 distance=71' 23122+5929 CTI7669 distance=72' 23116+5936 TDS1204 distance=73' 22570+5809 TDT3808 distance=73' 22561+5906 TDT3794 distance=74' 23005+5949 STI1133 distance=75' 22562+5919 CLZ 88 distance=78' 23111+5739 CVR 274 distance=81' 23143+5906 STI2958 distance=83' 22549+5822 BU 848 distance=83' 22588+5737 MLB 100 distance=84' 23156+5829 MLR 365 distance=84' 22548+5914 BU 712AB distance=86' 22548+5914 BU 712AC distance=86' 22569+5941 A 634 distance=86' 23023+6007 TDT3849 distance=86' 23102+5727 STT 490AB distance=87' 23102+5727 STT 490AC distance=87' 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 23051+5844 GRF 21 AB 346 126.0 0
Show 23051+5844 GRF 21 AC 273 166.1 0
Show 23044+5831 STI2932 265 8.2 14
Show 23034+5834 HDS3285 156 0.5 17
Show 23054+5825 HJ 1847 238 7.3 19
Show 23076+5837 CBL 107 71 30.7 21
Show 23057+5818 STI2937 118 5.5 26
Show 23052+5815 A 636 AB 80 0.9 30
Show 23052+5815 MZA 35 AC 305 3.5 30
Show 23052+5815 MZA 35 AD 154 11.4 30
Show 23029+5820 TDT3856 355 1.4 30
Show 23003+5837 CVR 272 227 38.4 38
Show 23094+5908 STI2949 144 14.3 44
Show 23056+5758 MLB 102 112 9.3 44
Show 23107+5900 MLR 364 188 0.2 47
Show 23086+5925 STI2946 90 7.7 49
Show 23097+5920 S 823 CD 310 275.9 50
Show 23097+5920 BU 1526 AB 320 19.9 51
Show 23097+5920 S 823 AC 163 167.2 51
Show 23097+5920 WAL 145 AE 306 54.5 51
Show 23097+5920 KUI 115 AF 41 10.2 51
Show 23097+5920 KUI 115 AG 98 28.6 51
Show 23097+5920 S 823 AD 276 162.8 51
Show 22583+5831 MLB 99 279 3.1 55
Show 23116+5816 STI2954 142 6.8 59
Show 23109+5807 HDS3303 Aa,Ab 4 0.2 60
Show 23109+5807 STI2951 AB 59 11.3 60
Show 23118+5813 CVR 275 175 80.2 61
Show 23001+5937 MLR 268 179 1.1 66
Show 23092+5747 MLR 559 103 1.1 66
Show 23098+5945 B 2906 248 3.3 69
Show 23037+5735 STI2931 85 3.2 70
Show 22563+5831 SKF 945 AB 103 2.5 71
Show 22563+5831 SKF 945 AC 7 2.7 71
Show 23063+5733 STI2939 138 6.6 71
Show 23122+5929 CTI7669 357 1.2 72
Show 23116+5936 TDS1204 135 1.0 73
Show 22570+5809 TDT3808 160 1.0 73
Show 22561+5906 TDT3794 58 2.8 74
Show 23005+5949 STI1133 94 4.0 75
Show 22562+5919 CLZ 88 352 152.7 78
Show 23111+5739 CVR 274 331 91.4 81
Show 23143+5906 STI2958 66 10.2 83
Show 22549+5822 BU 848 0 2.6 83
Show 22588+5737 MLB 100 325 3.3 84
Show 23156+5829 MLR 365 190 4.1 84
Show 22548+5914 BU 712 AB 297 1.3 86
Show 22548+5914 BU 712 AC 112 45.5 86
Show 22569+5941 A 634 299 2.1 86
Show 23023+6007 TDT3849 176 0.8 86
Show 23102+5727 STT 490 AB 298 1.2 87

 
 
WDS 23051+5844 : COMPONENTS
 
 
  A B
B pa=345.5°
sep=125.97"
 
C pa=272.9°
sep=166.12"
pa=229.8°
sep=175.88"
 
 
23051+5844 A
 
 
Name HD 218187 Coord arcsec 2000 230506.34+584356.7 Mag 7.02 Spectral class G8III (yellow)
PmRA 14.00 PmDE 4.0 SAO 35133 HIP 113993
Tycho2 3997-01734-1 HD 218187 GC 32167 BD BD+57 2688
Tycho2
Tycho2 3997-01734-1 Pflag RAmdeg 346.27641647 DEmdeg 58.73241568
PmRA 14.6 PmDE 3.1 E RAmdeg 5 E DEmdeg 5
E pmRA 1.3 E pmDE 1.3 EpRAm 1991.30 EpDEm 1991.35
Num 11 Q RAmdeg 1.0 Q DEmdeg 1.0 Q pmRA 1.0
Q pmDE 0.9 BTmag 8.345 E BTmag 0.016 VTmag 7.022
E VTmag 0.010 Prox 999 TYC T HIP 113993
CCDM RAdeg 346.27635083 DEdeg 58.73240861 EpRA 1990 1.64
EpDE 1990 1.68 E RAdeg 4.5 E DEdeg 4.5 Posflg
Corr 0.3
SAO
SAO 35133 DelFlag RA1950 PmRA1950 -0.0004
DE1950 PmDE1950 0.022 Vmag 7.1 SpType K0
Double code Source 70 CatNum 32167 DM BD+57 2688
DMcomp BDsup HD 218187 M HD 0
GC 32167 RA1950rad 6.0343928 DE1950rad 1.02036291 PmRA2000 -0.0002
PmDE2000 0.017
Hipparcos
Catalog H HIP 113993 Proxy RAhms 23 05 06.32
DEdms +58 43 56.7 Vmag 6.91 VarFlag R Vmag H
RAdeg 346.276 DEdeg 58.7324 AstroRef Plx 3.75
CCDM 14.30 N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD BD BD+57 2688
CD CP Dm number +57 2688 VIred 1.08
SpType G8III R SpType Coord arcsec 2000 230506.32+584356.7
Hipparcos 2
HIP 113993 Sn 5 So 0 Nc 1
RArad 6.0436624997 DErad 1.0250738691 Plx 3.71 PmRA 14.35
PmDE 4.25 E RArad 0.32 E DErad 0.27 E Plx 0.37
E pmRA 0.39 E pmDE 0.33 Hpmag E Hpmag 0.0008
SHp 0.008 VA 0 BV 1.122 E BV 0.01
VI 1.08
 
 
23051+5844 B
 
 
Coord arcsec 2000 230502.29+584558.7 Mag 11.05 PmRA 4.00 PmDE -2.0
Delta magnitude 4.03 Coordinate calculated yes
 
 
23051+5844 C
 
 
Coord arcsec 2000 230445.03+584405.1 Mag 8.23 Spectral class A0 (white) PmRA 4.00
PmDE -4.0 SAO 35129 Tycho2 3997-01467-1 HD 218150
DM BD+57 2684 Delta magnitude 1.21 Coordinate calculated yes
Tycho2
Tycho2 3997-01467-1 Pflag RAmdeg 346.18770074 DEmdeg 58.73479947
PmRA 5.2 PmDE -3.0 E RAmdeg 6 E DEmdeg 6
E pmRA 1.6 E pmDE 1.6 EpRAm 1991.23 EpDEm 1991.34
Num 9 Q RAmdeg 0.7 Q DEmdeg 0.7 Q pmRA 0.7
Q pmDE 0.8 BTmag 8.252 E BTmag 0.016 VTmag 8.233
E VTmag 0.013 Prox 999 TYC T HIP
CCDM RAdeg 346.18767750 DEdeg 58.73480639 EpRA 1990 1.62
EpDE 1990 1.71 E RAdeg 6.0 E DEdeg 5.7 Posflg
Corr 0.3
SAO
SAO 35129 DelFlag RA1950 PmRA1950 -0.0007
DE1950 PmDE1950 0.003 Vmag 8.6 SpType A0
Double code Source 38 CatNum 13718 DM BD+57 2684
DMcomp BDsup HD 218150 M HD 0
GC RA1950rad 6.0328643 DE1950rad 1.02040465 PmRA2000 -0.0005
PmDE2000 -0.002