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Doubles in session


Current system
12544-5826
EVS 21 AB
S Cru


Nearby doubles
22' : 12571-5828
TDS8610

28' : 12543-5758
TDS8576

30' : 12506-5832
TOB 127

32' : 12583-5819
JSP 567

34' : 12547-5753
TDS8583

36' : 12506-5846
TDS8551

36' : 12551-5901
BLK 11

37' : 12589-5823
TDS8623

39' : 12498-5812
TDS8542

39' : 12512-5757
TDS8560

40' : 12593-5820
TDS8629

41' : 12517-5751
TDS8565

41' : 12500-5848
TDS8544

42' : 12525-5904
HRG 80

42' : 12491-5827
NZO 32

44' : 12547-5909
SHT 48AB

44' : 12497-5802
TOB 126AB

45' : 12550-5910
BLK 10

46' : 12523-5908
TDS8566

46' : 12493-5803
TDS8539

47' : 12537-5739
FIN 66

49' : 12508-5906
TDS8555

51' : 12509-5743
TOK 385

52' : 13005-5845
RST4508

53' : 12477-5826
RST2815

54' : 12477-5818
VSP 36



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

12544-5826 EVS 21 AB (S Cru)

 
 
12h 54m 21.99s -58° 25' 50.2" P.A. 20.00 sep 12.1 mag 6.60,17.90 Sp F7Ib/II dist. 699.3 pc (2281.12 l.y.)
 
 
Coord 2000 12544-5826 Discov num EVS  21 Comp AB Coord arcsec 2000 12 54 21.99 -58 25 50.2
Date first 2011 Date last 2015 Obs 2
Pa first 20 Pa last 20.2 P.A. Now (θ) 20.2°
Sep first 11.9 Sep last 12.08 Sep. Now (ρ) 12.08"
Mag pri 6.60 Mag sec 17.90 delta mag (ΔM) 11.3 Spectral class F7Ib/II (yellow-white)
Pri motion ra -009 Sec motion ra -006
Pri motion dec -003 Sec motion dec -000
Notes N U (See Notes, Proper motion indicates non-physical)
rPM=0.447
This double is not physical.
 
 
12544-5826 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show S Cru 240362 12 54 22 -58 25 50 EVS 21 AB 2015 2 20 12.1 6.60 17.90 11.30 <===
Show 240362 12 54 22 -58 25 50 EVS 21 AC 2015 2 70 13.9 6.60 16.59 9.99
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name S Cru Constellation Crux SAO 240362 HIP 62986
Tycho2 8660-02647-1 Gaia DR2 6060173364061645696 HD 112044 HR 4895
GC 17509 CD CD-57 4766 CP CP-57 5776 Distance 699.3
Distance ly 2281.12
 
 
WDS 12544-5826 EVS 21 AB (S Cru) : NOTES
 
 
discov_num notes refcode
EVS 21 Primary is the Cepheid S Cru. Evs2016a
 
 
REFERENCES
 
 
refcode metd author reference
Evs2016a H3 - Evans, N.R., Bond, H.E., Schaefer, G.H., Mason, B.D., Tingle, E., Karovska, M., & 2016AJ....151..129E
Evs2016a Pillitteri, I.
Evs2016a AJ 151, 129, 2016
Evs2016a (some theta values replaced with more precise values from Evs2016b) 2016AJ....151..108E
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12544-5826 EVS 21 AB 2011 1 20 11.9 6.60 17.90 F7Ib/II NU 125421.99-582550.2
12544-5826 EVS 21 AB 2015 2 20 12.1 6.60 17.90 F7Ib/II NU 125421.99-582550.2

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

 
 
WDS 12544-5826 EVS 21 AB (S Cru) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12544-5826 EVS 21 AB (S Cru) : MEASURES
 
 
No records found.

 
 
WDS 12544-5826 (S Cru) : VIRTUAL EYEPIECE
 
 

12544-5826 EVS 21A mag 6.6 Sp F7Ib/II 12544-5826 EVS 21B sep 11.6 P.A. 10.90 mag 17.9 12544-5826 EVS 21C sep 8.3 P.A. 55.60 mag 16.59 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 12544-5826 (S Cru) : ALADIN DSS IMAGE @ 12h 54m 21.99s -58° 25' 50.2"
 
 
 
 
WDS 12544-5826 EVS 21 AB (S Cru) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12544-5826 EVS 21AB distance=0' 12571-5828 TDS8610 distance=22' 12543-5758 TDS8576 distance=28' 12506-5832 TOB 127 distance=30' 12583-5819 JSP 567 distance=32' 12547-5753 TDS8583 distance=34' 12506-5846 TDS8551 distance=36' 12551-5901 BLK 11 distance=36' 12589-5823 TDS8623 distance=37' 12498-5812 TDS8542 distance=39' 12512-5757 TDS8560 distance=39' 12593-5820 TDS8629 distance=40' 12517-5751 TDS8565 distance=41' 12500-5848 TDS8544 distance=41' 12525-5904 HRG 80 distance=42' 12491-5827 NZO 32 distance=42' 12547-5909 BLK 9Aa,Ab distance=44' 12547-5909 SHT 48AB distance=44' 12547-5909 SHT 48AC distance=44' 12497-5802 TDS8541Aa,Ab distance=44' 12497-5802 TOB 126AB distance=44' 12550-5910 BLK 10 distance=45' 12523-5908 TDS8566 distance=46' 12493-5803 TDS8539 distance=46' 12537-5739 FIN 66 distance=47' 12508-5906 TDS8555 distance=49' 12509-5743 TOK 385 distance=51' 13005-5845 RST4508 distance=52' 12477-5826 RST2815 distance=53' 12477-5818 VSP 36 distance=54' 13014-5844 RST4509 distance=59' 13015-5808 COO 146A,BC distance=59' 13015-5808 RST1701BC distance=59' 12563-5729 FIN 62 distance=60' 12597-5742 TDS8632 distance=61' 12472-5757 TDS8521 distance=64' 13019-5850 TDS8653 distance=64' 12492-5736 TDS 678 distance=65' 12479-5743 BRT2810 distance=67' 12455-5810 TDS8515 distance=72' 12452-5844 WFC 273 distance=74' 13029-5756 TDS8664AB distance=74' 12454-5803 TOB 119 distance=75' 12464-5907 KRV 7AB distance=75' 12464-5907 KRV 7AC distance=75' 12546-5711 DUN 126AB distance=76' 12482-5924 TDS8529 distance=76' 12546-5711 SHT 47BC distance=76' 12546-5711 SHT 47BD distance=76' 13010-5730 RSS 298 distance=77' 12545-5945 TDS8579 distance=80' 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 12544-5826 EVS 21 AB 20 12.1
Show 12544-5826 EVS 21 AC 70 13.9
Show 12571-5828 TDS8610 227 1.6 22
Show 12543-5758 TDS8576 61 0.8 28
Show 12506-5832 TOB 127 94 15.3 30
Show 12583-5819 JSP 567 229 3.3 32
Show 12547-5753 TDS8583 208 0.5 34
Show 12506-5846 TDS8551 278 0.5 36
Show 12551-5901 BLK 11 161 0.5 36
Show 12589-5823 TDS8623 41 1.4 37
Show 12498-5812 TDS8542 326 0.5 39
Show 12512-5757 TDS8560 301 0.4 39
Show 12593-5820 TDS8629 256 1.0 40
Show 12517-5751 TDS8565 75 2.3 41
Show 12500-5848 TDS8544 187 2.4 41
Show 12525-5904 HRG 80 165 4.1 42
Show 12491-5827 NZO 32 358 2.4 42
Show 12547-5909 BLK 9 Aa,Ab 170 0.6 44
Show 12547-5909 SHT 48 AB 255 3.5 44
Show 12547-5909 SHT 48 AC 308 6.9 44
Show 12497-5802 TDS8541 Aa,Ab 213 0.5 44
Show 12497-5802 TOB 126 AB 356 22.2 44
Show 12550-5910 BLK 10 57 1.0 45
Show 12523-5908 TDS8566 338 2.4 46
Show 12493-5803 TDS8539 209 2.2 46
Show 12537-5739 FIN 66 270 1.7 47
Show 12508-5906 TDS8555 91 0.6 49
Show 12509-5743 TOK 385 106 0.1 51
Show 13005-5845 RST4508 240 2.2 52
Show 12477-5826 RST2815 247 0.5 53
Show 12477-5818 VSP 36 275 0.0 54
Show 13014-5844 RST4509 100 0.8 59
Show 13015-5808 COO 146 A,BC 351 14.2 59
Show 13015-5808 RST1701 BC 26 0.4 59
Show 12563-5729 FIN 62 85 2.1 60
Show 12597-5742 TDS8632 25 1.1 61
Show 12472-5757 TDS8521 211 0.4 64
Show 13019-5850 TDS8653 110 1.9 64
Show 12492-5736 TDS 678 303 1.4 65
Show 12479-5743 BRT2810 8 3.2 67
Show 12455-5810 TDS8515 36 1.7 72
Show 12452-5844 WFC 273 86 11.0 74
Show 13029-5756 TDS8664 AB 38 0.5 74
Show 12454-5803 TOB 119 198 21.1 75
Show 12464-5907 KRV 7 AB 171 27.2 75
Show 12464-5907 KRV 7 AC 26 21.7 75
Show 12546-5711 DUN 126 AB 17 34.5 76
Show 12482-5924 TDS8529 98 1.5 76
Show 12546-5711 SHT 47 BC 241 4.7 76
Show 12546-5711 SHT 47 BD 333 5.0 76
Show 13010-5730 RSS 298 327 26.1 77

 
 
WDS 12544-5826 : COMPONENTS
 
 
  A B
B pa=10.9°
sep=11.55"
 
C pa=55.6°
sep=8.31"
pa=144.9°
sep=8.13"
 
 
12544-5826 A
 
 
Name S Cru Coord arcsec 2000 125421.99-582550.2 Mag 6.6 Spectral class F7Ib/II (yellow-white)
PmRA -9.00 PmDE -3.0 SAO 240362 HIP 62986
Tycho2 8660-02647-1 HD 112044 HR 4895 GC 17509
CD CD-57 4766 CP CP-57 5776
Tycho2
Tycho2 8660-02647-1 Pflag RAmdeg 193.59164706 DEmdeg -58.43061772
PmRA -11.4 PmDE -4.2 E RAmdeg 4 E DEmdeg 4
E pmRA 1.3 E pmDE 1.3 EpRAm 1991.31 EpDEm 1991.32
Num 13 Q RAmdeg 1.2 Q DEmdeg 1.0 Q pmRA 1.3
Q pmDE 1.0 BTmag 7.784 E BTmag 0.015 VTmag 6.826
E VTmag 0.009 Prox 585 TYC T HIP 62986
CCDM RAdeg 193.59169806 DEdeg -58.43060806 EpRA 1990 1.61
EpDE 1990 1.63 E RAdeg 3.6 E DEdeg 3.5 Posflg
Corr -0.4
SAO
SAO 240362 DelFlag RA1950 PmRA1950 -0.0013
DE1950 PmDE1950 -0.005 Vmag 6.4 SpType G0
Double code Source 70 CatNum 17509 DM CP-57 5776
DMcomp BDsup HD 112044 M HD 0
GC 17509 RA1950rad 3.36583704 DE1950rad -1.015074 PmRA2000 -0.0018
PmDE2000 -0.001
Hipparcos
Catalog H HIP 62986 Proxy RAhms 12 54 22.01
DEdms -58 25 50.2 Vmag 6.74 VarFlag 3 R Vmag H
RAdeg 193.592 DEdeg -58.4306 AstroRef Plx 1.34
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 112044 BD
CD CD-57 4766 CP CP-57 5776 Dm number -57 4766 VIred 0.7
SpType F7Ib/II R SpType Coord arcsec 2000 125422.01-582550.2
Hipparcos 2
HIP 62986 Sn 5 So 0 Nc 1
RArad 3.378812597 DErad -1.0198064659 Plx 1.43 PmRA -9.33
PmDE -3.49 E RArad 0.42 E DErad 0.45 E Plx 0.73
E pmRA 0.6 E pmDE 0.6 Hpmag 6.8729 E Hpmag 0.0214
SHp 0.332 VA 1 BV 0.55 E BV 0.02
VI 0.7
 
 
12544-5826 B
 
 
Coord arcsec 2000 125422.27-582538.9 Mag 17.9 PmRA -6.00 PmDE 0.0
Calc delta mag 11.3 Calc coord yes
 
 
12544-5826 C
 
 
Coord arcsec 2000 125422.86-582545.5 Mag 16.59 PmRA -6.00 PmDE 0.0
Calc delta mag 9.99 Calc coord yes