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Doubles in session


Current system
02130+0851
MCA 5
Xi1 Cet


Nearby doubles
25' : 02142+0909
HDS 297

30' : 02114+0834
OCC1001AB

38' : 02128+0813
PLQ 26

46' : 02099+0856
PLQ 25

50' : 02097+0857
GWP 262

51' : 02114+0936
LDS3353

52' : 02145+0805
NSN 524

56' : 02162+0919
HEI 438

81' : 02169+0947
OCC 574

86' : 02096+1000
TDS2139

86' : 02188+0840
GWP 296

92' : 02152+1016
XMI 5

94' : 02096+0732
WIS 55

95' : 02118+0718
SKF1669

96' : 02131+0716
UC 700

96' : 02163+1013
SKF 481

98' : 02156+0721
SLW 104

103' : 02106+1027
GWP 263

112' : 02089+0717
HDS 287

119' : 02207+0924
KPP 785

123' : 02157+1046
STF 237AB

125' : 02214+0853
BU 8

128' : 02043+0852
GRV 109

131' : 02087+1045
HEI 437

134' : 02146+0639
WAK 18

135' : 02181+1042
PLQ 27



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.

02130+0851 MCA 5 (Xi1 Cet)

 
 
02h 13m 00.01s +08° 50' 48.3" P.A. 84.00 sep 0.1 mag 4.34, Sp G6II-III dist. 117.51 pc (383.32 l.y.)
 
 
Coord 2000 02130+0851 Discov num MCA   5 Comp Coord arcsec 2000 02 13 00.01 +08 50 48.3
Date first 1981 Date last 2007 Obs 2
Pa first 101 Pa last 84.1 P.A. Now (θ) 84.1°
Sep first 0.1 Sep last 0.104 Sep. Now (ρ) 0.104"
Mag pri 4.34 Mag sec delta mag (ΔM) Spectral class G6II-III (yellow)
Pri motion ra -022 Sec motion ra
Pri motion dec -009 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Xi1 Cet Var name NSV749 Cet Constellation Cetus SAO 110408
HIP 10324 Tycho2 0631-01493-1 Gaia DR2 2521951302394148992 HD 13611
HR 649 GC 2656 BD BD+08 345 Bayer Xi 1 Ceti
Bayer name Xi1 Cet Flamsteed 65 Ceti Flamsteed name 65 Cet FK5 1058
Distance 117.51 Distance ly 383.32 Bayer greek ξ1 Cet
 
 
ORBITAL ELEMENTS
 
 
Period (P)1642.1d (4.5y) Periastron (T)34985.5d (1954.663y) Semi-major axis (a)4.52m± 4.5
Eccentricity (e)0 Inclination (i)106.47°± 15.34 Longitude of periastron (ω)0°
Node (Ω)71.24°± 23.97 Notesn ReferenceHIP1997d
Equinox Last observation1991 Grade9(1=Definitive, 9=Indet.)
label theta rho
2000-01-01 61.9 0.004
2001-01-01 288.7 0.002
2002-01-01 248.3 0.004
2003-01-01 159.6 0.001
2004-01-01 73.9 0.004
2005-01-01 32.4 0.002
2006-01-01 260.3 0.004
2007-01-01 232.1 0.003
2008-01-01 89.4 0.003
2009-01-01 61.6 0.004
2010-01-01 287.7 0.002
2011-01-01 248.1 0.004
2012-01-01 157.3 0.001
2013-01-01 73.8 0.004
2014-01-01 31.3 0.002
2015-01-01 260.0 0.004
2016-01-01 231.7 0.003
2017-01-01 89.0 0.003
2018-01-01 61.4 0.004
2019-01-01 286.8 0.002
2020-01-01 247.9 0.004
2021-01-01 155.0 0.001
2022-01-01 73.6 0.004
2023-01-01 30.3 0.002
2024-01-01 259.8 0.004
2025-01-01 231.3 0.003
2026-01-01 88.6 0.003
2027-01-01 61.1 0.004
2028-01-01 285.9 0.002
2029-01-01 247.7 0.004
2030-01-01 152.7 0.001


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.


 
  


wds02130%2B0851r.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 02130+0851 MCA 5 (Xi1 Cet) : NOTES
 
 
discov_num notes refcode
MCA 5 xi 1 Cet = 65 Cet. Also a spectroscopic binary.
A 1985.8375 measure attributed to this pair by Mcalister actually
actually belonged to 02157+2503COU 79. McA1987b
Hipparcos astrometric solution adopted some elements from the orbit of HIP1997d
Griffin & Herbig (1981). Grf1981b
5 1985.8375: A measure at this date, belonging to 02157+2503 = COU 79,
was erroneously attributed to MCA 5 in McAlister et al. (1987). This McA1987b
measure has been moved to COU 79 and averaged with a re-reduced
measure from these data published by Hartkopf et al. (1996). Hrt1996a
 
 
REFERENCES
 
 
refcode metd author reference
Grf1981b not - Griffin, R.F. & Herbig, G.H. 1981MNRAS.196...33G
Grf1981b MNRAS 196, 33, 1981
HIP1997d orb - Hipparcos 1997yCat.1239....0E
HIP1997d Hipparcos Catalog, ESA SP-1200, 1997
HIP1997d (DMSA/O Orbital Solutions)
Hrt1996a Sc j Hartkopf, W.I., Mason, B.D., & McAlister, H.A. 1996AJ....111..370H
Hrt1996a +orb AJ 111, 370, 1996
McA1987b Sc j McAlister, H.A., Hartkopf, W.I., Hutter, D.J., & Franz, O.G. 1987AJ.....93..688M
McA1987b AJ 93, 688, 1987
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02130+0851 MCA 5 1981 1 101 0.1 4.34   G6II-III NO 021300.01+085048.3
02130+0851 MCA 5 2007 2 84 0.1 4.34   G6II-III NO 021300.01+085048.3

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

 
 
WDS 02130+0851 MCA 5 (Xi1 Cet) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 02130+0851 MCA 5 (Xi1 Cet) : MEASURES
 
 
No records found.

 
 
WDS 02130+0851 (Xi1 Cet) : VIRTUAL EYEPIECE
 
 

02130+0851 MCA 5A mag 4.34 Sp G6II 02130+0851 MCA 5B sep 0.1 P.A. 84.00 Sp III 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 02130+0851 (Xi1 Cet) : ALADIN DSS IMAGE @ 02h 13m 00.01s +08° 50' 48.3"
 
 
 
 
WDS 02130+0851 MCA 5 (Xi1 Cet) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

02130+0851 MCA 5 distance=0' 02142+0909 HDS 297 distance=25' 02114+0834 OCC1001AB distance=30' 02114+0834 WIS 56AC distance=30' 02128+0813 PLQ 26 distance=38' 02115+0815 NSN 16DE distance=42' 02099+0856 PLQ 25 distance=46' 02097+0857 GWP 262 distance=50' 02114+0936 LDS3353 distance=51' 02145+0805 NSN 524 distance=52' 02162+0919 HEI 438 distance=56' 02169+0947 OCC 574 distance=81' 02096+1000 TDS2139 distance=86' 02188+0840 GWP 296 distance=86' 02152+1016 XMI 5 distance=92' 02096+0732 WIS 55 distance=94' 02118+0718 SKF1669 distance=95' 02131+0716 UC 700 distance=96' 02163+1013 SKF 481 distance=96' 02156+0721 SLW 104 distance=98' 02106+1027 GWP 263 distance=103' 02089+0717 HDS 287 distance=112' 02207+0924 KPP 785 distance=119' 02157+1046 HJL1013BE distance=122' 02157+1046 STF 237AB distance=123' 02157+1046 STF 237AC distance=123' 02157+1046 HJL1014AE distance=123' 02214+0853 BU 8 distance=125' 02043+0852 GRV 109 distance=128' 02087+1045 HEI 437 distance=131' 02146+0639 WAK 18 distance=134' 02181+1042 PLQ 27 distance=135' 02219+0824 GWP 304 distance=135' 02054+1005 HDS 280AB distance=135' 02215+0940 A 2217 distance=135' 02067+1029 HJ 21 distance=136' 02159+0638 A 2013 distance=140' 02034+0850 CVR 38 distance=143' 02214+0742 CVR 423 distance=143' 02055+1029 HEI 436 distance=148' 02167+0632 YSC 20 distance=150' 02050+1023 TDS2104 distance=151' 02225+0948 HEI 439 distance=153' 02040+1006 PLQ 23 distance=153' 02026+0905 MCA 4 distance=155' 02202+0658 SLW 109 distance=156' 02212+0709 KPP1648 distance=159' 02154+1126 GWP 282 distance=160' 02049+1038 SLE 264 distance=161' 02022+0901 BRT2595 distance=161' 02060+0648 SLW 98 distance=161' 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 02130+0851 MCA 5 84 0.1
Show 02142+0909 HDS 297 57 0.4 25
Show 02114+0834 OCC1001 AB -1 0.0 30
Show 02114+0834 WIS 56 AC 282 999.9 30
Show 02128+0813 PLQ 26 309 30.1 38
Show 02115+0815 NSN 16 DE 251 13.5 42
Show 02099+0856 PLQ 25 7 17.0 46
Show 02097+0857 GWP 262 66 38.2 50
Show 02114+0936 LDS3353 334 25.6 51
Show 02145+0805 NSN 524 236 3.6 52
Show 02162+0919 HEI 438 161 0.7 56
Show 02169+0947 OCC 574 352 0.1 81
Show 02096+1000 TDS2139 191 0.7 86
Show 02188+0840 GWP 296 259 28.8 86
Show 02152+1016 XMI 5 196 20.3 92
Show 02096+0732 WIS 55 257 27.5 94
Show 02118+0718 SKF1669 136 4.1 95
Show 02131+0716 UC 700 160 3.2 96
Show 02163+1013 SKF 481 116 3.2 96
Show 02156+0721 SLW 104 186 9.0 98
Show 02106+1027 GWP 263 199 9.0 103
Show 02089+0717 HDS 287 172 0.2 112
Show 02207+0924 KPP 785 252 6.7 119
Show 02157+1046 HJL1013 BE 9 178.1 122
Show 02157+1046 STF 237 AB 237 14.6 123
Show 02157+1046 STF 237 AC 275 72.3 123
Show 02157+1046 HJL1014 AE 5 168.8 123
Show 02214+0853 BU 8 224 1.6 125
Show 02043+0852 GRV 109 14 12.1 128
Show 02087+1045 HEI 437 351 1.5 131
Show 02146+0639 WAK 18 48 0.1 134
Show 02181+1042 PLQ 27 337 15.5 135
Show 02219+0824 GWP 304 231 7.5 135
Show 02054+1005 HDS 280 AB 335 0.1 135
Show 02215+0940 A 2217 78 3.0 135
Show 02067+1029 HJ 21 13 26.5 136
Show 02159+0638 A 2013 116 0.4 140
Show 02034+0850 CVR 38 83 22.7 143
Show 02214+0742 CVR 423 323 26.1 143
Show 02055+1029 HEI 436 55 2.0 148
Show 02167+0632 YSC 20 278 0.2 150
Show 02050+1023 TDS2104 95 0.6 151
Show 02225+0948 HEI 439 33 1.4 153
Show 02040+1006 PLQ 23 296 26.0 153
Show 02026+0905 MCA 4 155 0.2 155
Show 02202+0658 SLW 109 210 29.7 156
Show 02212+0709 KPP1648 33 12.7 159
Show 02154+1126 GWP 282 162 43.4 160
Show 02049+1038 SLE 264 355 24.5 161
Show 02022+0901 BRT2595 43 5.2 161
Show 02060+0648 SLW 98 173 63.6 161

 
 
WDS 02130+0851 : COMPONENTS
 
 
  A
B pa=84.0°
sep=0.10"
 
 
02130+0851 A
 
 
Componente originario normalizzato AB Name Xi1 Cet Coord arcsec 2000 021300.01+085048.3 Mag 4.34
Spectral class G6II (yellow) PmRA -22.00 PmDE -9.0 SAO 110408
HIP 10324 Tycho2 0631-01493-1 HD 13611 HR 649
GC 2656 BD BD+08 345 Bayer Xi 1 Ceti Bayer name Xi1 Cet
Flamsteed 65 Ceti Flamsteed name 65 Cet FK5 1058
Tycho2
Tycho2 0631-01493-1 Pflag RAmdeg 33.24998635 DEmdeg 8.84672997
PmRA -24.2 PmDE -9.5 E RAmdeg 3 E DEmdeg 4
E pmRA 0.4 E pmDE 0.4 EpRAm 1990.87 EpDEm 1990.11
Num 25 Q RAmdeg 1.0 Q DEmdeg 1.5 Q pmRA 1.2
Q pmDE 1.5 BTmag 5.464 E BTmag 0.014 VTmag 4.453
E VTmag 0.009 Prox 999 TYC T HIP 10324
CCDM RAdeg 33.25004250 DEdeg 8.84675139 EpRA 1990 1.73
EpDE 1990 1.69 E RAdeg 3.3 E DEdeg 3.7 Posflg
Corr -0.1
SAO
SAO 110408 DelFlag RA1950 PmRA1950 -0.0017
DE1950 PmDE1950 -0.003 Vmag 4.5 SpType G5
Double code Source 74 CatNum 1058 DM BD+08 345
DMcomp BDsup HD 13611 M HD 0
GC 2656 RA1950rad 0.56874075 DE1950rad 0.15032794 PmRA2000 -0.0015
PmDE2000 -0.008
Hipparcos
Catalog H HIP 10324 Proxy RAhms 02 13 00.01
DEdms +08 50 48.3 Vmag 4.36 VarFlag R Vmag G
RAdeg 33.25 DEdeg 8.84675 AstroRef + Plx 9.01
CCDM N CCDM Nsys Ncomp 1
MultFlag O Source Qual M HIP
Theta Rho HD 13611 BD BD+08 345
CD CP Dm number +08 345 VIred 0.9
SpType G8II: R SpType Coord arcsec 2000 021300.01+085048.3
Hipparcos 2
HIP 10324 Sn 75 So 4 Nc 1
RArad 0.5803227759 DErad 0.1544049601 Plx 8.51 PmRA -26.87
PmDE -17.23 E RArad 0.42 E DErad 0.25 E Plx 0.51
E pmRA 0.48 E pmDE 0.36 Hpmag 4.5172 E Hpmag 0.0006
SHp 0.004 VA 0 BV 0.878 E BV 0.024
VI 0.9
CCDM
Ccdm 02130+0851 RComp Comp A Note1
Note2 Discov num DRAs 0.00 DDEs -11.8
R dRAs 81 Year Theta Rho
Obs 2 Vmag 4.3 Sp G6 PmNote @
PmRA -22 PmDE -9 Dm number +08 345 Cat1 BD
Name2 +08 249 Cat2 AGK2/3 HD 13611 M HD
ADS BDS M ADS BDS N N IDS IDS 02077N0823A
HIC 10324
 
 
02130+0851 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 021300.02+085048.3 Spectral class III Calc delta mag 4.34
Calc coord yes
CCDM
Ccdm 02130+0851 RComp Comp B Note1
Note2 Discov num MAL 5 DRAs DDEs
R dRAs Year 1985 Theta 42 Rho 0.0
Obs 2 Vmag Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 02077N0823B
HIC 10324