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Doubles in session


Current system
21509-4052
CRU 2 AB
HD 207572


Nearby doubles
23' : 21529-4052
I 1447

26' : 21525-4034
CRU9029

46' : 21473-4034
SKF 380

46' : 21492-4133
WTR 1

49' : 21497-4139
TSN 199

50' : 21517-4140
CRU9028

60' : 21555-4121
CRU9030

61' : 21522-4151
TDT3206

62' : 21514-4153
CRU9027AB

62' : 21458-4113
SEE 457

64' : 21565-4102
HJ 5305

68' : 21543-3957
HJ 5299

69' : 21459-4130
UC 4554AB

72' : 21555-4141
DON1019

78' : 21550-4154
CPO 627

79' : 21558-3953
WG 279

84' : 21578-4024
CRU9031

84' : 21570-4139
UC 4608

87' : 21446-4140
WIS 353

87' : 21488-3929
CVN 111

88' : 21434-4033
CPO 626

92' : 21519-4222
B 2898

92' : 21429-4100
KPP1166

105' : 22000-4032
HDS3124

107' : 21467-4228
DON1018

108' : 21421-4131
BRT1122



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

21509-4052 CRU 2 AB (HD 207572)

 
 
21h 50m 56.33s -40° 51' 57.1" P.A. 307.00 sep 23.2 mag 9.90,11.44 Sp G3V
 
 
Coord 2000 21509-4052 Discov num CRU   2 Comp AB Coord arcsec 2000 21 50 56.33 -40 51 57.1
Date first 1879 Date last 2016 Obs 12
Pa first 307 Pa last 307.3 P.A. Now (θ) 307.3°
Sep first 22.5 Sep last 23.151 Sep. Now (ρ) 23.151"
Mag pri 9.90 Mag sec 11.44 delta mag (ΔM) 1.54 Spectral class G3V (yellow)
Pri motion ra -102 Sec motion ra -102
Pri motion dec -054 Sec motion dec -054
Notes N V (See Notes, Proper motion indicates physical)
This double is physical.
 
 
21509-4052 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 207572 230866 21 50 56 -40 51 57 CRU 2 AB 2016 12 307 23.2 9.90 11.44 1.54 <===
Show 230866 21 50 56 -40 51 57 CRU 2 AC 2015 11 48 58.4 9.90 12.07 2.17
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 207572 Constellation Grus SAO 230866 Tycho2 7986-00682-1
Gaia DR2 6572408034379183744 HD 207572 DM CP-41 9710
 
 
WDS 21509-4052 CRU 2 AB (HD 207572) : NOTES
 
 
discov_num notes refcode
CRU 2 AB = LDS 757.
 
 
REFERENCES
 
 
refcode metd author reference
Cru1884 Ma j Cruls, L. 1884AnRio...41..97C
Cru1884 Ann. Rio de Janeiro Obs. 4, Pt.1, 97, 1884
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21509-4052 CRU 2 AB 1999 8 307 23.1 9.90 11.44 G3V N D 215056.33-405157.1
21509-4052 CRU 2 AB 2015 10 307 23.2 9.90 11.44 G3V N 215056.33-405157.1
21509-4052 CRU 2 AB 2016 12 307 23.2 9.90 11.44 G3V NV 215056.33-405157.1

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

 
 
WDS 21509-4052 CRU 2 AB (HD 207572) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21509-4052 CRU 2 AB (HD 207572) : MEASURES
 
 
No records found.

 
 
WDS 21509-4052 (HD 207572) : VIRTUAL EYEPIECE
 
 

21509-4052 CRU 2A mag 9.9 Sp G3V 21509-4052 CRU 2B sep 19.8 P.A. 315.20 mag 11.44 21509-4052 CRU 2C sep 51.0 P.A. 40.00 mag 12.07 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 21509-4052 (HD 207572) : ALADIN DSS IMAGE @ 21h 50m 56.33s -40° 51' 57.1"
 
 
 
 
WDS 21509-4052 CRU 2 AB (HD 207572) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21509-4052 CRU 2AB distance=0' 21529-4052 I 1447 distance=23' 21525-4034 CRU9029 distance=26' 21473-4034 SKF 380 distance=46' 21492-4133 WTR 1 distance=46' 21497-4139 TSN 199 distance=49' 21517-4140 CRU9028 distance=50' 21555-4121 CRU9030 distance=60' 21522-4151 TDT3206 distance=61' 21514-4153 CRU9027AB distance=62' 21514-4153 CRU9027AC distance=62' 21458-4113 SEE 457 distance=62' 21565-4102 HJ 5305 distance=64' 21543-3957 HJ 5299 distance=68' 21459-4130 UC 4554AB distance=69' 21555-4141 DON1019 distance=72' 21550-4154 CPO 627 distance=78' 21558-3953 WG 279 distance=79' 21578-4024 CRU9031 distance=84' 21570-4139 UC 4608 distance=84' 21446-4140 WIS 353 distance=87' 21488-3929 CVN 111 distance=87' 21434-4033 CPO 626 distance=88' 21519-4222 B 2898 distance=92' 21429-4100 KPP1166 distance=92' 22000-4032 HDS3124 distance=105' 21467-4228 DON1018 distance=107' 21421-4131 BRT1122 distance=108' 21419-4132 TDT3114 distance=110' 21560-4234 HJ 5303 distance=117' 21405-4111 CRU9026 distance=120' 21599-3944 TDT3283 distance=123' 22007-3959 UC 4627 distance=124' 22015-4025 TVB 321 distance=124' 21430-3926 WG 276 distance=125' 21434-3917 B 535 distance=129' 22020-4019 HDS3127 distance=130' 22001-4213 SKF1177 distance=131' 21501-3837 TOK 36 distance=136' 21481-3839 HDS3105 distance=138' 21465-3843 B 536 distance=139' 21387-4103 CRU9023 distance=140' 22016-4204 CRU9032 distance=140' 21399-4159 CRU9025 distance=142' 21571-3847 RST2189 distance=144' 21578-4255 DON1020 distance=146' 22038-4039 CPO 629 distance=147' 21428-4247 DON1015 distance=147' 21388-4150 CRU9024 distance=149' 21543-3828 I 1448AB distance=150' 21543-3828 LDS4922AC distance=150' 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 21509-4052 CRU 2 AB 307 23.2
Show 21509-4052 CRU 2 AC 48 58.4
Show 21529-4052 I 1447 272 4.1 23
Show 21525-4034 CRU9029 68 90.5 26
Show 21473-4034 SKF 380 247 7.6 46
Show 21492-4133 WTR 1 126 2.7 46
Show 21497-4139 TSN 199 303 0.1 49
Show 21517-4140 CRU9028 175 104.1 50
Show 21555-4121 CRU9030 252 47.1 60
Show 21522-4151 TDT3206 164 1.0 61
Show 21514-4153 CRU9027 AB 97 99.7 62
Show 21514-4153 CRU9027 AC 171 135.7 62
Show 21458-4113 SEE 457 234 12.0 62
Show 21565-4102 HJ 5305 243 19.7 64
Show 21543-3957 HJ 5299 57 34.9 68
Show 21459-4130 UC 4554 AB 160 53.4 69
Show 21555-4141 DON1019 136 0.8 72
Show 21550-4154 CPO 627 283 5.6 78
Show 21558-3953 WG 279 27 4.1 79
Show 21578-4024 CRU9031 69 84.9 84
Show 21570-4139 UC 4608 88 17.2 84
Show 21446-4140 WIS 353 14 14.5 87
Show 21488-3929 CVN 111 277 0.4 87
Show 21434-4033 CPO 626 154 9.7 88
Show 21519-4222 B 2898 218 13.7 92
Show 21429-4100 KPP1166 354 9.1 92
Show 22000-4032 HDS3124 128 0.1 105
Show 21467-4228 DON1018 82 1.6 107
Show 21421-4131 BRT1122 192 3.5 108
Show 21419-4132 TDT3114 268 0.4 110
Show 21560-4234 HJ 5303 55 34.0 117
Show 21405-4111 CRU9026 29 173.1 120
Show 21599-3944 TDT3283 246 0.4 123
Show 22007-3959 UC 4627 200 45.5 124
Show 22015-4025 TVB 321 161 10.3 124
Show 21430-3926 WG 276 37 4.2 125
Show 21434-3917 B 535 208 4.9 129
Show 22020-4019 HDS3127 180 17.2 130
Show 22001-4213 SKF1177 38 24.4 131
Show 21501-3837 TOK 36 144 2.2 136
Show 21481-3839 HDS3105 163 0.2 138
Show 21465-3843 B 536 267 1.0 139
Show 21387-4103 CRU9023 197 185.1 140
Show 22016-4204 CRU9032 76 49.7 140
Show 21399-4159 CRU9025 123 42.5 142
Show 21571-3847 RST2189 201 0.8 144
Show 21578-4255 DON1020 52 1.7 146
Show 22038-4039 CPO 629 147 5.1 147
Show 21428-4247 DON1015 340 2.1 147
Show 21388-4150 CRU9024 36 6.9 149
Show 21543-3828 I 1448 AB 146 3.1 150

 
 
WDS 21509-4052 : COMPONENTS
 
 
  A B
B pa=315.2°
sep=19.77"
 
C pa=40.0°
sep=51.02"
pa=61.8°
sep=53.03"
 
 
21509-4052 A
 
 
Name HD 207572 Coord arcsec 2000 215056.33-405157.1 Mag 9.9 Spectral class G3V (yellow)
PmRA -102.00 PmDE -54.0 SAO 230866 Tycho2 7986-00682-1
HD 207572 DM CP-41 9710
Tycho2
Tycho2 7986-00682-1 Pflag RAmdeg 327.73472913 DEmdeg -40.86587863
PmRA -100.4 PmDE -55.2 E RAmdeg 15 E DEmdeg 20
E pmRA 1.3 E pmDE 1.1 EpRAm 1988.87 EpDEm 1982.88
Num 8 Q RAmdeg 1.3 Q DEmdeg 1.1 Q pmRA 1.2
Q pmDE 1.1 BTmag 10.731 E BTmag 0.039 VTmag 9.896
E VTmag 0.028 Prox 230 TYC T HIP
CCDM RAdeg 327.73503611 DEdeg -40.86574528 EpRA 1990 1.65
EpDE 1990 1.20 E RAdeg 16.4 E DEdeg 22.9 Posflg
Corr 0.0
SAO
SAO 230866 DelFlag RA1950 PmRA1950 -0.0093
DE1950 PmDE1950 -0.055 Vmag 9 SpType G0
Double code Source 48 CatNum 19599 DM CP-41 9710
DMcomp BDsup HD 207572 M HD 0
GC RA1950rad 5.70661656 DE1950rad -0.71732356 PmRA2000 -0.0092
PmDE2000 -0.059
CCDM
Ccdm 21509-4052 RComp Comp A Note1
Note2 Discov num DRAs 2.26 DDEs 2.7
R dRAs 10 Year Theta Rho
Obs 3 Vmag 9.7 Sp G0 PmNote *
PmRA -105 PmDE -55 Dm number -4114659 Cat1 CD
Name2 230866 Cat2 SAO HD 207572 M HD
ADS BDS M ADS BDS N IDS IDS 21448S4120A
HIC
 
 
21509-4052 B
 
 
Coord arcsec 2000 215055.10-405143.1 Mag 11.44 PmRA -102.00 PmDE -54.0
Tycho2 7986-00638-1 Calc delta mag 1.54 Calc coord yes
Tycho2
Tycho2 7986-00638-1 Pflag RAmdeg 327.72800473 DEmdeg -40.86199262
PmRA -100.5 PmDE -56.4 E RAmdeg 48 E DEmdeg 66
E pmRA 1.8 E pmDE 1.8 EpRAm 1982.68 EpDEm 1972.08
Num 4 Q RAmdeg 1.3 Q DEmdeg 2.5 Q pmRA 1.3
Q pmDE 2.5 BTmag 12.131 E BTmag 0.131 VTmag 11.444
E VTmag 0.098 Prox 230 TYC HIP
CCDM RAdeg 327.72831250 DEdeg -40.86185417 EpRA 1990 1.67
EpDE 1990 1.17 E RAdeg 50.8 E DEdeg 74.0 Posflg
Corr 0.0
CCDM
Ccdm 21509-4052 RComp Comp B Note1
Note2 Discov num CRU DRAs DDEs
R dRAs Year 1879 Theta 308 Rho 23.0
Obs 3 Vmag 10.5 Sp K PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 21448S4120B
HIC
 
 
21509-4052 C
 
 
Coord arcsec 2000 215059.22-405118.0 Mag 12.07 PmRA -10.00 PmDE -12.0
Tycho2 7986-00813-1 Calc delta mag 2.17 Calc coord yes
Tycho2
Tycho2 7986-00813-1 Pflag RAmdeg 327.75025387 DEmdeg -40.85519641
PmRA -9.4 PmDE -10.9 E RAmdeg 85 E DEmdeg 102
E pmRA 2.2 E pmDE 2.3 EpRAm 1970.40 EpDEm 1953.51
Num 4 Q RAmdeg 1.1 Q DEmdeg 0.7 Q pmRA 1.1
Q pmDE 0.7 BTmag 13.331 E BTmag 0.326 VTmag 12.568
E VTmag 0.231 Prox 563 TYC HIP
CCDM RAdeg 327.75028250 DEdeg -40.85516972 EpRA 1990 1.64
EpDE 1990 1.19 E RAdeg 96.7 E DEdeg 133.7 Posflg
Corr 0.1
CCDM
Ccdm 21509-4052 RComp Comp C Note1
Note2 Discov num CRU DRAs DDEs
R dRAs Year 1879 Theta 041 Rho 38.5
Obs 1 Vmag 12.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 21448S4120C
HIC