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Doubles in session


Current system
22298-4345
DUN 239
Del2 Gru


Nearby doubles
17' : 22293-4330
I 1054

25' : 22302-4321
UC 4755

39' : 22302-4423
HDS3189

51' : 22296-4435
UC 4752

60' : 22281-4441
CPO 92

65' : 22309-4242
DON1033

66' : 22321-4244
I 1455

73' : 22234-4324
HDS3173

74' : 22273-4453
HJ 5337

76' : 22287-4459
TDT3537

77' : 22336-4241
CPO 632

88' : 22303-4217
CRU9043

92' : 22259-4507
I 136

92' : 22221-4305
DON1029

94' : 22320-4515
SKF 383

103' : 22257-4518
HJ 5335

105' : 22359-4226
TDT3613

105' : 22351-4218
TSN 205

109' : 22307-4157
BRT1130

111' : 22261-4202
UC 4744

114' : 22202-4259
NSN 465

115' : 22208-4447
TDT3474

116' : 22250-4202
HJ 5332

117' : 22268-4537
HU 1334

120' : 22407-4359
CPO 93

120' : 22396-4445
ENO 8



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Binary Systems
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Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

22298-4345 DUN 239 (Del2 Gru)

 
 
22h 29m 45.44s -43° 44' 57.2" P.A. 211.00 sep 60.7 mag 4.33,9.71 Sp M4.5IIIa dist. 101.21 pc (330.15 l.y.)
 
 
Coord 2000 22298-4345 Discov num DUN 239 Comp Coord arcsec 2000 22 29 45.44 -43 44 57.2
Date first 1826 Date last 2015 Obs 31
Pa first 223 Pa last 210.6 P.A. Now (θ) 210.6°
Sep first 50.0 Sep last 60.684 Sep. Now (ρ) 60.684"
Mag pri 4.33 Mag sec 9.71 delta mag (ΔM) 5.38 Spectral class M4.5IIIa (red)
Pri motion ra -014 Sec motion ra +001
Pri motion dec +003 Sec motion dec -011
Notes N U (See Notes, Proper motion indicates non-physical)
rPM=1.433
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Del2 Gru Constellation Grus SAO 231161 HIP 111043
Tycho2 8003-01373-1 Gaia DR2 6520955322607576320 HD 213080 HR 8560
GC 31412 CD CD-4414935 CP CP-4410228 Bayer Delta 2 Gruis
Bayer name Del2 Gru Distance 101.21 Distance ly 330.15 Bayer greek δ2 Gru
 
 
WDS 22298-4345 DUN 239 (Del2 Gru) : NOTES
 
 
discov_num notes refcode
DUN 239 del 2 Gru. A is an irregular variable. B is CD-44@14934.
 
 
REFERENCES
 
 
refcode metd author reference
Dun1829 Ma - Dunlop, J. 1829MmRAS...3..257D
Dun1829 MemRAS 3, 257, 1829
Dun1829 some measures corrected in LRR2022
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
22298-4345 DUN 239 2000 26 211 60.8 4.33 9.71 M4.5IIIa N D 222945.44-434457.2
22298-4345 DUN 239 2008 27 210 60.6 4.33 9.71 M4.5IIIa N D 222945.44-434457.2
22298-4345 DUN 239 2010 28 210 61.1 4.33 9.71 M4.5IIIa N D 222945.44-434457.2
22298-4345 DUN 239 2013 30 210 60.4 4.33 9.71 M4.5IIIa N D 222945.44-434457.2
22298-4345 DUN 239 2015 31 211 60.7 4.33 9.71 M4.5IIIa N 222945.44-434457.2

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

 
 
WDS 22298-4345 DUN 239 (Del2 Gru) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 22298-4345 DUN 239 (Del2 Gru) : MEASURES
 
 
No records found.

 
 
WDS 22298-4345 (Del2 Gru) : VIRTUAL EYEPIECE
 
 

22298-4345 DUN 239A mag 4.33 Sp M4.5IIIa 22298-4345 DUN 239B sep 56.8 P.A. 203.10 mag 9.71 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 22298-4345 (Del2 Gru) : ALADIN DSS IMAGE @ 22h 29m 45.44s -43° 44' 57.2"
 
 
 
 
WDS 22298-4345 DUN 239 (Del2 Gru) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

22298-4345 DUN 239 distance=0' 22293-4330 I 1054 distance=17' 22302-4321 UC 4755 distance=25' 22302-4423 HDS3189 distance=39' 22336-4326 TOI 132Aa,Ab distance=46' 22296-4435 UC 4752 distance=51' 22281-4441 CPO 92 distance=60' 22309-4242 DON1033 distance=65' 22321-4244 I 1455 distance=66' 22234-4324 HDS3173 distance=73' 22273-4453 HJ 5337 distance=74' 22287-4459 TDT3537 distance=76' 22336-4241 CPO 632 distance=77' 22303-4217 CRU9043 distance=88' 22259-4507 I 136 distance=92' 22221-4305 DON1029 distance=92' 22320-4515 SKF 383 distance=94' 22257-4518 HJ 5335 distance=103' 22359-4226 TDT3613 distance=105' 22351-4218 TSN 205 distance=105' 22307-4157 BRT1130 distance=109' 22261-4202 UC 4744 distance=111' 22202-4259 NSN 465 distance=114' 22208-4447 TDT3474 distance=115' 22250-4202 HJ 5332 distance=116' 22268-4537 HU 1334 distance=117' 22407-4359 CPO 93 distance=120' 22396-4445 ENO 8 distance=120' 22369-4525 TDT3620 distance=126' 22317-4551 B 563 distance=128' 22393-4502 HJ 5352AB distance=129' 22393-4502 HJ 5352AC distance=129' 22227-4152 DON1030AB distance=137' 22227-4152 CRU9040AB,C distance=137' 22305-4126 TDT3554AB distance=140' 22299-4604 B 562 distance=140' 22207-4203 DON1026 distance=143' 22410-4500 NSC 31 distance=143' 22355-4137 HJ 5343 distance=143' 22377-4148 SKF1110AB distance=147' 22377-4148 CRU9046AC distance=147' 22216-4147 DON1028 distance=149' 22231-4556 I 382 distance=149' 22374-4550 SKF 384AB distance=150' 22374-4550 SKF 384Aa,Ab distance=150' 22246-4127 JC 19AB distance=150' 22246-4127 JC 19AC distance=150' 22246-4127 CRU9041AD distance=150' 22287-4115 CPO 631 distance=150' 22270-4118 I 1453 distance=151' 22227-4557 I 135 distance=152' 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 22298-4345 DUN 239 211 60.7
Show 22293-4330 I 1054 228 5.6 17
Show 22302-4321 UC 4755 93 58.1 25
Show 22302-4423 HDS3189 331 1.0 39
Show 22336-4326 TOI 132 Aa,Ab 298 0.0 46
Show 22296-4435 UC 4752 330 25.6 51
Show 22281-4441 CPO 92 288 4.3 60
Show 22309-4242 DON1033 257 1.0 65
Show 22321-4244 I 1455 350 0.3 66
Show 22234-4324 HDS3173 335 0.1 73
Show 22273-4453 HJ 5337 25 12.5 74
Show 22287-4459 TDT3537 70 0.6 76
Show 22336-4241 CPO 632 1 3.6 77
Show 22303-4217 CRU9043 250 69.3 88
Show 22259-4507 I 136 281 2.2 92
Show 22221-4305 DON1029 237 0.4 92
Show 22320-4515 SKF 383 177 6.1 94
Show 22257-4518 HJ 5335 56 9.9 103
Show 22359-4226 TDT3613 241 0.5 105
Show 22351-4218 TSN 205 355 0.4 105
Show 22307-4157 BRT1130 69 5.6 109
Show 22261-4202 UC 4744 223 57.2 111
Show 22202-4259 NSN 465 292 0.9 114
Show 22208-4447 TDT3474 89 0.6 115
Show 22250-4202 HJ 5332 244 12.6 116
Show 22268-4537 HU 1334 249 0.3 117
Show 22407-4359 CPO 93 212 5.1 120
Show 22396-4445 ENO 8 78 1.2 120
Show 22369-4525 TDT3620 104 0.5 126
Show 22317-4551 B 563 315 1.3 128
Show 22393-4502 HJ 5352 AB 251 17.2 129
Show 22393-4502 HJ 5352 AC 246 25.9 129
Show 22227-4152 DON1030 AB 189 1.3 137
Show 22227-4152 CRU9040 AB,C 16 74.8 137
Show 22305-4126 TDT3554 AB 270 1.4 140
Show 22299-4604 B 562 4.3 140
Show 22207-4203 DON1026 315 1.1 143
Show 22410-4500 NSC 31 145 7.2 143
Show 22355-4137 HJ 5343 47 5.2 143
Show 22377-4148 SKF1110 AB 200 13.8 147
Show 22377-4148 CRU9046 AC 72 113.0 147
Show 22216-4147 DON1028 197 0.6 149
Show 22231-4556 I 382 223 5.2 149
Show 22374-4550 SKF 384 AB 349 6.9 150
Show 22374-4550 SKF 384 Aa,Ab 12 0.3 150
Show 22246-4127 JC 19 AB 59 14.8 150
Show 22246-4127 JC 19 AC 87 91.0 150
Show 22246-4127 CRU9041 AD 37 237.0 150
Show 22287-4115 CPO 631 200 4.0 150
Show 22270-4118 I 1453 16 4.1 151
Show 22227-4557 I 135 200 2.5 152

 
 
WDS 22298-4345 : COMPONENTS
 
 
  A
B pa=203.1°
sep=56.80"
 
 
22298-4345 A
 
 
Componente originario normalizzato AB Name Del2 Gru Coord arcsec 2000 222945.44-434457.2 Mag 4.33
Spectral class M4.5IIIa (red) PmRA -14.00 PmDE 3.0 SAO 231161
HIP 111043 Tycho2 8003-01373-1 HD 213080 HR 8560
GC 31412 CD CD-4414935 CP CP-4410228 Bayer Delta 2
Bayer name Del2
Tycho2
Tycho2 8003-01373-1 Pflag RAmdeg 337.43931758 DEmdeg -43.74921705
PmRA -11.9 PmDE 4.1 E RAmdeg 3 E DEmdeg 4
E pmRA 0.9 E pmDE 1.0 EpRAm 1991.47 EpDEm 1991.31
Num 14 Q RAmdeg 1.0 Q DEmdeg 1.8 Q pmRA 1.0
Q pmDE 1.8 BTmag 6.162 E BTmag 0.014 VTmag 4.330
E VTmag 0.009 Prox 606 TYC T HIP 111043
CCDM RAdeg 337.43935528 DEdeg -43.74922667 EpRA 1990 1.72
EpDE 1990 1.59 E RAdeg 3.2 E DEdeg 3.5 Posflg
Corr 0.0
SAO
SAO 231161 DelFlag RA1950 PmRA1950 -0.0007
DE1950 PmDE1950 0.005 Vmag 4.3 SpType Mb
Double code Source 70 CatNum 31412 DM CD-4414935
DMcomp BDsup HD 213080 M HD 0
GC 31412 RA1950rad 5.87642894 DE1950rad -0.76804596 PmRA2000 -0.0006
PmDE2000 0.001
Hipparcos
Catalog H HIP 111043 Proxy RAhms 22 29 45.45
DEdms -43 44 57.2 Vmag 4.12 VarFlag 2 R Vmag H
RAdeg 337.439 DEdeg -43.7492 AstroRef * Plx 10.04
CCDM 22298-4345 N CCDM I Nsys 1 Ncomp 1
MultFlag V Source Qual M HIP
Theta Rho HD 213080 BD
CD CD-4414935 CP CP-4410228 Dm number -4414935 VIred 2.49
SpType M4.5IIIa R SpType Coord arcsec 2000 222945.45-434457.2
Hipparcos 2
HIP 111043 Sn 5 So 5 Nc 1
RArad 5.8894277843 DErad -0.7635680664 Plx 9.88 PmRA -14.08
PmDE 2.57 E RArad 0.18 E DErad 0.13 E Plx 0.23
E pmRA 0.23 E pmDE 0.14 Hpmag 4.1414 E Hpmag 0.0035
SHp 0.033 VA 2 BV 1.57 E BV 0.11
VI 2.49
CCDM
Ccdm 22298-4345 RComp Comp A Note1
Note2 Discov num DRAs -2.53 DDEs 2.9
R dRAs 10 Year Theta Rho
Obs 2 Vmag 4.3 Sp M4 PmNote *
PmRA -11 PmDE 7 Dm number -4414935 Cat1 CD
Name2 231161 Cat2 SAO HD 213080 M HD
ADS BDS M ADS BDS N IDS IDS 22238S4416A
HIC 111043
 
 
22298-4345 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 222943.38-434549.4 Mag 9.71 PmRA 1.00
PmDE -11.0 Calc delta mag 5.38 Calc coord yes
CCDM
Ccdm 22298-4345 RComp Comp B Note1
Note2 Discov num DUN 239 DRAs -5.41 DDEs -50.3
R dRAs 10 Year 1953 Theta 212 Rho 60.7
Obs 9 Vmag 9.2 Sp PmNote *
PmRA 4 PmDE -12 Dm number -4414934 Cat1 CD
Name2 231159 Cat2 SAO HD M HD
ADS BDS M ADS BDS N IDS IDS 22238S4416B
HIC