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Doubles in session


Current system
23100-4252
DON 1042
HD 218630


Nearby doubles
6' : 23104-4250
TDT3911

17' : 23114-4259
B 594

30' : 23097-4223
SKF 385

39' : 23126-4227
KPP1354

45' : 23059-4251
KPP 523

47' : 23142-4252
TDT3947

52' : 23069-4331
JC 20AB

55' : 23085-4344
DON1041

55' : 23051-4302
I 1464

60' : 23077-4345
UC 4888

69' : 23082-4358
SKF1111

72' : 23157-4217
TDT3956AB

78' : 23103-4135
DON1043

85' : 23023-4258
DON1040

88' : 23086-4417
LDS6390

94' : 23176-4212
SKF 387

95' : 23052-4412
HDS3289AB

98' : 23125-4425
DON1044

103' : 23105-4109
SKF 386

107' : 23040-4129
CRU9053

114' : 23119-4444
I 1466

118' : 23128-4445
DON1045

122' : 23167-4429
HJ 5390

123' : 23135-4056
HJ 5387

123' : 23163-4433
I 1606

125' : 23167-4113
LDS5064



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.

23100-4252 DON 1042 (HD 218630)

 
 
23h 09m 57.37s -42° 51' 40.1" P.A. 145.00 sep 0.8 mag 6.00,9.05 Sp F5V dist. 33.41 pc (108.98 l.y.)
 
 
Coord 2000 23100-4252 Discov num DON1042 Comp Coord arcsec 2000 23 09 57.37 -42 51 40.1
Date first 1930 Date last 2021 Obs 27
Pa first 164 Pa last 145.4 P.A. Now (θ) 148.4°
Sep first 0.8 Sep last 0.804 Sep. Now (ρ) 0.831"
Mag pri 6.00 Mag sec 9.05 delta mag (ΔM) 3.05 Spectral class F5V (yellow-white)
Pri motion ra -316 Sec motion ra
Pri motion dec -029 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 218630 Constellation Grus SAO 231464 HIP 114382
Tycho2 8012-01108-1 HD 218630 HR 8814 GC 32260
CD CD-4315281 CP CP-43 9709 Distance 33.41 Distance ly 108.98
 
 
ORBITAL ELEMENTS
 
 
Period (P)98.27y Periastron (T)1994.91y Semi-major axis (a)0.804a
Eccentricity (e)0.553 Inclination (i)39.7° Longitude of periastron (ω)124°
Node (Ω)232.4° Notes ReferenceZir2014a
Equinox2000 Last observation2013 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 60.0 0.452
2001 67.0 0.477
2002 73.4 0.499
2003 79.2 0.519
2004 84.7 0.538
2005 89.7 0.556
2006 94.5 0.573
2007 99.0 0.589
2008 103.3 0.605
2009 107.3 0.621
2010 111.1 0.636
2011 114.8 0.652
2012 118.3 0.667
2013 121.6 0.682
2014 124.8 0.697
2015 127.9 0.712
2016 130.8 0.727
2017 133.6 0.742
2018 136.3 0.757
2019 138.9 0.772
2020 141.4 0.787
2021 143.8 0.802
2022 146.1 0.816
2023 148.4 0.831
2024 150.6 0.845
2025 152.6 0.859
2026 154.7 0.872
2027 156.6 0.886
2028 158.5 0.899
2029 160.4 0.912
2030 162.2 0.925


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


 
  


wds23100-4252b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 23100-4252 DON 1042 (HD 218630) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Zir2014a orb - Zirm, H. 2014IAUDS.182....1Z
Zir2014a Inf. Circ. 182, 1, 2014
 
 
DISCOVERER
 
 
idgroup discov author
1 DON Donner, H.F.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
23100-4252 DON1042 1991 10 301 0.3 6.00 9.05 F5V D 230957.64-425140.2
23100-4252 DON1042 2008 11 106 0.6 6.00 9.05 F5V D 230957.64-425140.2
23100-4252 DON1042 2013 14 304 0.7 6.00 9.05 F5V O 230957.64-425140.2
23100-4252 DON1042 2017 19 135 0.8 6.00 9.05 F5V O 230957.37-425140.1
23100-4252 DON1042 2018 21 138 0.8 6.00 9.05 F5V O 230957.37-425140.1
23100-4252 DON1042 2019 23 141 0.8 6.00 9.05 F5V O 230957.37-425140.1
23100-4252 DON1042 2020 25 143 0.8 6.00 9.05 F5V O 230957.37-425140.1
23100-4252 DON1042 2021 27 145 0.8 6.00 9.05 F5V O 230957.37-425140.1

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

 
 
WDS 23100-4252 DON 1042 (HD 218630) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 23100-4252 DON 1042 (HD 218630) : MEASURES
 
 
No records found.

 
 
WDS 23100-4252 (HD 218630) : VIRTUAL EYEPIECE
 
 

23100-4252 DON1042A mag 6 Sp F5V 23100-4252 DON1042B sep 0.7 P.A. 153.20 mag 9.05 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 23100-4252 (HD 218630) : ALADIN DSS IMAGE @ 23h 09m 57.37s -42° 51' 40.1"
 
 
 
 
WDS 23100-4252 DON 1042 (HD 218630) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

23100-4252 DON1042 distance=0' 23104-4250 TDT3911 distance=6' 23114-4259 B 594 distance=17' 23097-4223 SKF 385 distance=30' 23126-4227 KPP1354 distance=39' 23059-4251 KPP 523 distance=45' 23142-4252 TDT3947 distance=47' 23069-4331 JC 20AB distance=52' 23069-4331 JC 20AC distance=52' 23069-4331 JC 20CD distance=53' 23085-4344 DON1041 distance=55' 23051-4302 I 1464 distance=55' 23077-4345 UC 4888 distance=60' 23082-4358 SKF1111 distance=69' 23157-4217 TDT3956AB distance=72' 23157-4217 CRU9054AC distance=72' 23103-4135 DON1043 distance=78' 23023-4258 DON1040 distance=85' 23086-4417 LDS6390 distance=88' 23176-4212 SKF 387 distance=94' 23052-4412 HDS3289AB distance=95' 23052-4412 UC 4878AC distance=95' 23125-4425 DON1044 distance=98' 23105-4109 SKF 386 distance=103' 23040-4129 CRU9053 distance=107' 23119-4444 I 1466 distance=114' 23128-4445 DON1045 distance=118' 23167-4429 HJ 5390 distance=122' 23135-4056 HJ 5387 distance=123' 23163-4433 I 1606 distance=123' 23167-4113 LDS5064 distance=125' 23216-4242 KPP2412 distance=129' 23164-4102 CPO 636 distance=132' 23150-4049 TDT3952 distance=136' 22591-4147 UC 4854 distance=137' 23033-4057 RST2211 distance=138' 23119-4508 SKF1184 distance=139' 23167-4047 LDS5063 distance=146' 23024-4050 CRU9052 distance=148' 23021-4050 CRU9051 distance=150' 23036-4039 KPP3088 distance=151' 22560-4246 HDS3263 distance=155' 23148-4027 TDT3950 distance=155' 22559-4240 UC 4850 distance=156' 23127-4015 CPO 634 distance=160' 23048-4023 BVD 156 distance=160' 23175-4514 DON1046 distance=164' 23226-4126 CRU9055 distance=165' 23247-4215 I 1470 distance=167' 23257-4254 I 144 distance=173' 23191-4028 RST2215 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 23100-4252 DON1042 145 0.8
Show 23104-4250 TDT3911 167 0.6 6
Show 23114-4259 B 594 170 0.2 17
Show 23097-4223 SKF 385 114 9.4 30
Show 23126-4227 KPP1354 74 10.2 39
Show 23059-4251 KPP 523 109 3.9 45
Show 23142-4252 TDT3947 193 0.6 47
Show 23069-4331 JC 20 AB 115 1.5 52
Show 23069-4331 JC 20 AC 292 158.9 52
Show 23069-4331 JC 20 CD 355 100.6 53
Show 23085-4344 DON1041 156 0.6 55
Show 23051-4302 I 1464 266 1.1 55
Show 23077-4345 UC 4888 112 55.0 60
Show 23082-4358 SKF1111 246 63.6 69
Show 23157-4217 TDT3956 AB 293 1.7 72
Show 23157-4217 CRU9054 AC 18 74.7 72
Show 23103-4135 DON1043 340 1.0 78
Show 23023-4258 DON1040 268 3.3 85
Show 23086-4417 LDS6390 148 4.4 88
Show 23176-4212 SKF 387 173 11.0 94
Show 23052-4412 HDS3289 AB 5 0.2 95
Show 23052-4412 UC 4878 AC 163 22.1 95
Show 23125-4425 DON1044 157 1.5 98
Show 23105-4109 SKF 386 88 7.1 103
Show 23040-4129 CRU9053 34 253.3 107
Show 23119-4444 I 1466 180 0.9 114
Show 23128-4445 DON1045 3 0.9 118
Show 23167-4429 HJ 5390 42 21.7 122
Show 23135-4056 HJ 5387 276 7.9 123
Show 23163-4433 I 1606 222 1.9 123
Show 23167-4113 LDS5064 193 3.6 125
Show 23216-4242 KPP2412 333 20.9 129
Show 23164-4102 CPO 636 276 5.0 132
Show 23150-4049 TDT3952 244 1.1 136
Show 22591-4147 UC 4854 320 22.4 137
Show 23033-4057 RST2211 130 1.8 138
Show 23119-4508 SKF1184 58 19.5 139
Show 23167-4047 LDS5063 152 16.1 146
Show 23024-4050 CRU9052 338 36.1 148
Show 23021-4050 CRU9051 112 49.6 150
Show 23036-4039 KPP3088 293 1.5 151
Show 22560-4246 HDS3263 186 0.2 155
Show 23148-4027 TDT3950 111 1.2 155
Show 22559-4240 UC 4850 215 27.2 156
Show 23127-4015 CPO 634 262 4.3 160
Show 23048-4023 BVD 156 277 18.2 160
Show 23175-4514 DON1046 102 0.2 164
Show 23226-4126 CRU9055 126 120.6 165
Show 23247-4215 I 1470 3.0 167
Show 23257-4254 I 144 179 0.3 173
Show 23191-4028 RST2215 170 3.9 176

 
 
WDS 23100-4252 : COMPONENTS
 
 
  A
B pa=153.2°
sep=0.74"
 
 
23100-4252 A
 
 
Componente originario normalizzato AB Name HD 218630 Coord arcsec 2000 230957.37-425140.1 Mag 6
Spectral class F5V (yellow-white) PmRA -316.00 PmDE -29.0 SAO 231464
HIP 114382 Tycho2 8012-01108-1 HD 218630 HR 8814
GC 32260 CD CD-4315281 CP CP-43 9709
Tycho2
Tycho2 8012-01108-1 Pflag RAmdeg 347.48910357 DEmdeg -42.86123587
PmRA -319.0 PmDE -27.3 E RAmdeg 4 E DEmdeg 4
E pmRA 2.2 E pmDE 2.0 EpRAm 1991.56 EpDEm 1991.65
Num 3 Q RAmdeg 0.2 Q DEmdeg 1.5 Q pmRA 0.2
Q pmDE 1.6 BTmag 6.389 E BTmag 0.015 VTmag 5.884
E VTmag 0.010 Prox 999 TYC T HIP 114382
CCDM AB RAdeg 347.49011861 DEdeg -42.86117278 EpRA 1990 1.60
EpDE 1990 1.69 E RAdeg 3.8 E DEdeg 3.9 Posflg P
Corr -0.2
SAO
SAO 231464 DelFlag RA1950 PmRA1950 -0.0299
DE1950 PmDE1950 -0.002 Vmag 5.8 SpType F8
Double code Source 70 CatNum 32260 DM CD-4315281
DMcomp BDsup HD 218630 M HD 0
GC 32260 RA1950rad 6.05274196 DE1950rad -0.75279407 PmRA2000 -0.0296
PmDE2000 -0.007
Hipparcos
Catalog H HIP 114382 Proxy H RAhms 23 09 57.64
DEdms -42 51 40.2 Vmag 5.83 VarFlag R Vmag H
RAdeg 347.49 DEdeg -42.8612 AstroRef A Plx 28.87
CCDM 23100-4252 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 301 Rho 0.327 HD 218630 BD
CD CD-4315281 CP CP-43 9709 Dm number -4315281 VIred 0.54
SpType F4IV R SpType Coord arcsec 2000 230957.64-425140.2
Hipparcos 2
HIP 114382 Sn 15 So 3 Nc 2
RArad 6.0648475805 DErad -0.7480685242 Plx 29.93 PmRA -349.74
PmDE -51.1 E RArad 0.51 E DErad 0.44 E Plx 0.63
E pmRA 0.6 E pmDE 0.51 Hpmag 5.9361 E Hpmag 0.0006
SHp 0.007 VA 0 BV 0.475 E BV 0.005
VI 0.55
CCDM
Ccdm 23100-4252 RComp Comp A Note1
Note2 Discov num DRAs -2.62 DDEs 20.9
R dRAs 10 Year Theta Rho
Obs 2 Vmag 5.8 Sp F8 PmNote *
PmRA -320 PmDE -15 Dm number -4315281 Cat1 CD
Name2 231464 Cat2 SAO HD 218630 M HD
ADS BDS M ADS BDS N IDS IDS 23044S4324A
HIC 114382
 
 
23100-4252 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 230957.40-425140.8 Mag 9.05 Calc delta mag 3.05
Calc coord yes
CCDM
Ccdm 23100-4252 RComp Comp B Note1
Note2 Discov num DON1042 DRAs DDEs
R dRAs Year 1956 Theta 204 Rho 0.9
Obs 6 Vmag 9.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 23044S4324B
HIC 114382