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Current system
11125-1830
BU 220
Psi Crt


Nearby doubles
36' : 11109-1858
ARA 415AB

40' : 11140-1904
LDS4073

46' : 11154-1807
LDS 342AB

52' : 11092-1851
B 2007

56' : 11108-1741
SLW 573

68' : 11164-1752
RST2737

72' : 11140-1721
ARA 65

73' : 11153-1730
HU 461

73' : 11174-1849
B 2534

78' : 11114-1947
ARA 678

80' : 11087-1732
UC 2088

82' : 11178-1903
WSP 31AB

86' : 11075-1917
BWL 28AB

90' : 11168-1935
ARA 680

90' : 11063-1845
RST2724

91' : 11076-1732
ARA 225AB

110' : 11160-2008
TDS7769

121' : 11144-2028
ARA 679

122' : 11116-2031
UC 2096

125' : 11192-1950
ARA 683AB

126' : 11184-2005
ARA 681

130' : 11034-1836
GWP1531

132' : 11040-1739
SLW 562

134' : 11045-1940
HDS1580

137' : 11157-1621
SHJ 372

138' : 11035-1741
KPP2735



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

11125-1830 BU 220 (Psi Crt)

 
 
11h 12m 30.37s -18° 29' 59.5" P.A. 312.00 sep 0.2 mag 6.24,8.34 Sp A0V dist. 153.85 pc (501.86 l.y.)
 
 
Coord 2000 11125-1830 Discov num BU  220 Comp Coord arcsec 2000 11 12 30.37 -18 29 59.5
Date first 1875 Date last 2018 Obs 95
Pa first 144 Pa last 312.2 P.A. Now (θ) 312.2°
Sep first 0.6 Sep last 0.23 Sep. Now (ρ) 0.23"
Mag pri 6.24 Mag sec 8.34 delta mag (ΔM) 2.1 Spectral class A0V (white)
Pri motion ra -021 Sec motion ra -021
Pri motion dec -027 Sec motion dec -027
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Psi Crt Constellation Crater SAO 156528 HIP 54742
Tycho2 6087-01749-1 Gaia DR2 3558140097022673664 HD 97411 HR 4347
GC 15405 ADS 8086 BD BD-17 3321 Bayer Psi Crateris
Bayer name Psi Crt Distance 153.85 Distance ly 501.86 Bayer greek ψ Crt
 
 
ORBITAL ELEMENTS
 
 
Period (P)365.68y± 8.02 Periastron (T)1983.93y± 3.59 Semi-major axis (a)0.553a± 0.022
Eccentricity (e)0.434± 0.014 Inclination (i)99.8°± 0.8 Longitude of periastron (ω)337.3°± 6.7
Node (Ω)325.3°± 0.6 Notesn ReferenceTok2015c
Equinox2000 Last observation2014 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 321.9 0.321
2001 321.4 0.319
2002 321.0 0.317
2003 320.5 0.314
2004 320.0 0.311
2005 319.5 0.308
2006 319.1 0.305
2007 318.6 0.301
2008 318.0 0.297
2009 317.5 0.292
2010 317.0 0.288
2011 316.4 0.283
2012 315.8 0.278
2013 315.2 0.273
2014 314.6 0.267
2015 313.9 0.261
2016 313.2 0.255
2017 312.5 0.249
2018 311.7 0.243
2019 310.9 0.237
2020 310.1 0.230
2021 309.2 0.224
2022 308.2 0.217
2023 307.2 0.211
2024 306.1 0.204
2025 305.0 0.197
2026 303.8 0.190
2027 302.4 0.183
2028 301.0 0.177
2029 299.5 0.170
2030 297.8 0.163


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


 
  


wds11125-1830b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 11125-1830 BU 220 (Psi Crt) : NOTES
 
 
discov_num notes refcode
BU 220 psi Crt.
Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
masses of 10.78 +/- 6.79, 4.90, and 2.19 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
Tok2015c orb+j Tokovinin, A., Mason, B.D., Hartkopf, W.I., Mendez, R.A., & Horch, E.P. 2015AJ....150...50T
Tok2015c +St AJ 150, 50, 2015 (some measures corrected in Tok2017b) 2017AJ....154..110T
 
 
DISCOVERER
 
 
idgroup discov author
1 BU Burnham, S.W. (BU 1 - 81)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11125-1830 BU 220 2006 90 316 0.3 6.24 8.34 A1V NOD 111230.37-182959.5
11125-1830 BU 220 2009 91 318 0.3 6.24 8.34 A1V NOD 111230.37-182959.5
11125-1830 BU 220 2013 91 316 0.3 6.24 8.34 A1V NOD 111230.37-182959.5
11125-1830 BU 220 2014 93 316 0.3 6.24 8.34 A1V NO 111230.37-182959.5
11125-1830 BU 220 2018 95 312 0.2 6.24 8.34 A1V NO 111230.37-182959.5

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

 
 
WDS 11125-1830 BU 220 (Psi Crt) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 11125-1830 BU 220 (Psi Crt) : MEASURES
 
 
No records found.

 
 
WDS 11125-1830 (Psi Crt) : VIRTUAL EYEPIECE
 
 

11125-1830 BU 220A mag 6.24 Sp A0V 11125-1830 BU 220B sep 0.2 P.A. 313.70 mag 8.34 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 11125-1830 (Psi Crt) : ALADIN DSS IMAGE @ 11h 12m 30.37s -18° 29' 59.5"
 
 
 
 
WDS 11125-1830 BU 220 (Psi Crt) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

11125-1830 BU 220 distance=0' 11109-1858 ARA 415AB distance=36' 11109-1858 WNO 33AC distance=36' 11140-1904 LDS4073 distance=40' 11154-1807 LDS 342BC distance=46' 11154-1807 LDS 342AB distance=46' 11154-1807 LDS 342AC distance=46' 11092-1851 B 2007 distance=52' 11108-1741 SLW 573 distance=56' 11164-1752 RST2737 distance=68' 11140-1721 ARA 65 distance=72' 11153-1730 HU 461 distance=73' 11174-1849 B 2534 distance=73' 11114-1947 ARA 678 distance=78' 11087-1732 UC 2088 distance=80' 11178-1903 WSP 31AB distance=82' 11075-1917 BWL 28AB distance=86' 11075-1917 BWL 28AC distance=86' 11075-1917 BWL 28AD distance=86' 11075-1917 BWL 28AE distance=86' 11075-1917 BWL 28AF distance=86' 11075-1917 BWL 28AG distance=86' 11168-1935 ARA 680 distance=90' 11063-1845 RST2724 distance=90' 11076-1732 ARA 225AB distance=91' 11076-1732 WNO 28AC distance=91' 11160-2008 TDS7769 distance=110' 11144-2028 ARA 679 distance=121' 11116-2031 UC 2096 distance=122' 11192-1950 ARA 683AB distance=125' 11192-1950 TOK 383Aa,Ab distance=125' 11184-2005 ARA 681 distance=126' 11034-1836 GWP1531 distance=130' 11040-1739 SLW 562 distance=132' 11045-1940 HDS1580 distance=134' 11157-1621 SHJ 372 distance=137' 11035-1741 KPP2735 distance=138' 11188-2016 ARA 682 distance=138' 11052-1656 LDS4057 distance=141' 11158-1615 UC 2109 distance=144' 11201-1654 LDS 346 distance=145' 11196-2014 TDS7792 distance=146' 11033-1726 ARA 64 distance=146' 11062-2028 UC 2079 distance=148' 11024-1906 SLW 557 distance=149' 11103-1605 RST3730 distance=150' 11210-1702 NSN 111 distance=150' 11136-1558 ARG 24 distance=153' 11105-1600 FOX 170 distance=154' 11025-1730 A 2377 distance=156' 11023-1735 GWP1527 distance=156' 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 11125-1830 BU 220 312 0.2
Show 11109-1858 ARA 415 AB 152 9.4 36
Show 11109-1858 WNO 33 AC 120 79.9 36
Show 11140-1904 LDS4073 216 26.5 40
Show 11154-1807 LDS 342 BC 319 85.4 46
Show 11154-1807 LDS 342 AB 261 18.8 46
Show 11154-1807 LDS 342 AC 314 90.7 46
Show 11092-1851 B 2007 264 0.7 52
Show 11108-1741 SLW 573 337 94.3 56
Show 11164-1752 RST2737 255 0.3 68
Show 11140-1721 ARA 65 11 14.6 72
Show 11153-1730 HU 461 76 1.9 73
Show 11174-1849 B 2534 230 2.3 73
Show 11114-1947 ARA 678 210 13.4 78
Show 11087-1732 UC 2088 304 16.7 80
Show 11178-1903 WSP 31 AB 253 15.8 82
Show 11075-1917 BWL 28 AB 43 9.9 86
Show 11075-1917 BWL 28 AC 106 9.4 86
Show 11075-1917 BWL 28 AD 37 14.8 86
Show 11075-1917 BWL 28 AE 134 19.3 86
Show 11075-1917 BWL 28 AF 275 12.6 86
Show 11075-1917 BWL 28 AG 345 15.3 86
Show 11168-1935 ARA 680 183 8.4 90
Show 11063-1845 RST2724 66 0.6 90
Show 11076-1732 ARA 225 AB 171 8.0 91
Show 11076-1732 WNO 28 AC 132 31.8 91
Show 11160-2008 TDS7769 285 0.6 110
Show 11144-2028 ARA 679 99 15.4 121
Show 11116-2031 UC 2096 82 8.5 122
Show 11192-1950 ARA 683 AB 181 20.1 125
Show 11192-1950 TOK 383 Aa,Ab 148 0.0 125
Show 11184-2005 ARA 681 312 10.7 126
Show 11034-1836 GWP1531 43 51.9 130
Show 11040-1739 SLW 562 118 118.0 132
Show 11045-1940 HDS1580 285 17.5 134
Show 11157-1621 SHJ 372 300 19.2 137
Show 11035-1741 KPP2735 119 6.7 138
Show 11188-2016 ARA 682 58 11.0 138
Show 11052-1656 LDS4057 346 8.9 141
Show 11158-1615 UC 2109 356 43.6 144
Show 11201-1654 LDS 346 82 64.7 145
Show 11196-2014 TDS7792 131 1.3 146
Show 11033-1726 ARA 64 306 6.8 146
Show 11062-2028 UC 2079 32 43.0 148
Show 11024-1906 SLW 557 252 116.2 149
Show 11103-1605 RST3730 232 1.4 150
Show 11210-1702 NSN 111 95 3.0 150
Show 11136-1558 ARG 24 350 17.6 153
Show 11105-1600 FOX 170 163 11.1 154
Show 11025-1730 A 2377 105 3.7 156
Show 11023-1735 GWP1527 89 99.5 156

 
 
WDS 11125-1830 : COMPONENTS
 
 
  A
B pa=313.7°
sep=0.22"
 
 
11125-1830 A
 
 
Componente originario normalizzato AB Name Psi Crt Coord arcsec 2000 111230.37-182959.5 Mag 6.24
Spectral class A0V (white) PmRA -21.00 PmDE -27.0 SAO 156528
HIP 54742 Tycho2 6087-01749-1 HD 97411 HR 4347
GC 15405 BD BD-17 3321 Bayer Psi Bayer name Psi
Tycho2
Tycho2 6087-01749-1 Pflag RAmdeg 168.12653959 DEmdeg -18.49984623
PmRA -21.2 PmDE -26.5 E RAmdeg 4 E DEmdeg 5
E pmRA 1.4 E pmDE 1.4 EpRAm 1991.48 EpDEm 1991.19
Num 10 Q RAmdeg 1.5 Q DEmdeg 1.8 Q pmRA 1.4
Q pmDE 1.9 BTmag 6.110 E BTmag 0.015 VTmag 6.105
E VTmag 0.010 Prox 999 TYC T HIP 54742
CCDM AS RAdeg 168.12659083 DEdeg -18.49978389 EpRA 1990 1.73
EpDE 1990 1.52 E RAdeg 3.6 E DEdeg 4.6 Posflg P
Corr -0.2
SAO
SAO 156528 DelFlag RA1950 PmRA1950 -0.0016
DE1950 PmDE1950 -0.035 Vmag 6.1 SpType A0
Double code Source 70 CatNum 15405 DM BD-17 3321
DMcomp BDsup HD 97411 M HD 0
GC 15405 RA1950rad 2.92352724 DE1950rad -0.3181292 PmRA2000 -0.0013
PmDE2000 -0.03
Hipparcos
Catalog H HIP 54742 Proxy H RAhms 11 12 30.38
DEdms -18 29 59.3 Vmag 6.11 VarFlag R Vmag H
RAdeg 168.127 DEdeg -18.4998 AstroRef A Plx 6.81
CCDM 11125-1830 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AS
Theta 326 Rho 0.327 HD 97411 BD BD-17 3321
CD CP Dm number -17 3321 VIred 0.01
SpType A0V R SpType Coord arcsec 2000 111230.38-182959.3
Hipparcos 2
HIP 54742 Sn 15 So 3 Nc 2
RArad 2.9343627648 DErad -0.3228824332 Plx 6.5 PmRA -20.48
PmDE -24.8 E RArad 0.55 E DErad 0.48 E Plx 0.71
E pmRA 0.54 E pmDE 0.51 Hpmag 6.1104 E Hpmag 0.001
SHp 0.007 VA 0 BV -0.004 E BV 0.006
VI 0.01
CCDM
Ccdm 11125-1830 RComp Comp A Note1
Note2 Discov num DRAs 0.38 DDEs 0.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.6 Sp A0 PmNote *
PmRA -21 PmDE -33 Dm number -17 3321 Cat1 BD
Name2 156528 Cat2 SAO HD 97411 M HD
ADS BDS A 8086 M ADS BDS N IDS IDS 11075S1757A
HIC 54742
 
 
11125-1830 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 111230.36-182959.3 Mag 8.34 PmRA -21.00
PmDE -27.0 Calc delta mag 2.1 Calc coord yes
CCDM
Ccdm 11125-1830 RComp Comp B Note1 *
Note2 Discov num BU 220 DRAs DDEs
R dRAs Year 1960 Theta 013 Rho 0.1
Obs 99 Vmag 7.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 8086 M ADS BDS N IDS IDS 11075S1757B
HIC 54742