stampa
Login

Too lazy to login each time? Click on "Remember me" at login and forget about it!
Register here!


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
20256-5644
HJ 5193 AD


Nearby doubles
29' : 20289-5636
UC 4196

29' : 20250-5616
BRT2826

30' : 20233-5707
I 126

31' : 20224-5630
FIN 276

47' : 20285-5604
B 481

49' : 20249-5556
FIN 277

56' : 20313-5715
KPP3075

60' : 20295-5554
KPP4201AB

69' : 20303-5741
B 485

71' : 20333-5718
RST1073

72' : 20232-5536
SPM 38

78' : 20162-5645
TDT2132

79' : 20246-5802
TDT2246

80' : 20295-5757
TSN 11

81' : 20209-5755
NSN 450

83' : 20266-5806
TDT2277

85' : 20154-5646
KPP3076AB

88' : 20283-5519
SKF 377

90' : 20149-5659
RMK 25

98' : 20284-5510
TDT2313

105' : 20363-5549
KPP3077

110' : 20203-5825
KPP 469

121' : 20216-5449
COO 239

122' : 20139-5800
B 471

124' : 20113-5613
I 1414

127' : 20206-5844
HJ 5185AB



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.

20256-5644 HJ 5193 AD

 
 
20h 25m 38.85s -56° 44' 06.3" P.A. 254.00 sep 62.3 mag 1.90,9.70 Sp B2IV dist. 54.82 pc (178.82 l.y.)
 
 
Coord 2000 20256-5644 Discov num HJ 5193 Comp AD Coord arcsec 2000 20 25 38.85 -56 44 06.3
Date first 1904 Date last 2010 Obs 3
Pa first 249 Pa last 253.8 P.A. Now (θ) 253.8°
Sep first 59.1 Sep last 62.34 Sep. Now (ρ) 62.34"
Mag pri 1.90 Mag sec 9.70 delta mag (ΔM) 7.8 Spectral class B2IV (blue-white)
Pri motion ra +008 Sec motion ra
Pri motion dec -086 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
20256-5644 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Peacock 246574 20 25 39 -56 44 06 HJ 5193 AB 2008 7 80 249.4 1.90 9.14 7.24
Show 246574 20 25 39 -56 44 06 HJ 5193 AC 2010 3 77 244.4 1.90 9.70 7.80
Show 246574 20 25 39 -56 44 06 HJ 5193 AD 2010 3 254 62.3 1.90 9.70 7.80 <===
Show 20 26 09 -56 43 24 HJ 5193 BC 2010 10 332 16.7 9.14 9.70 0.56
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Common name Peacock Var name NSV13060 Pav Constellation Pavo SAO 246574
HIP 100751 Tycho2 8785-01898-1 Gaia DR2 6468936087465816064 HD 193924
HR 7790 GC 28374 CP CP-57 9674 Bayer Alpha Pavonis
Bayer name Alp Pav FK5 764 Distance 54.82 Distance ly 178.82
Bayer greek α Pav
Meaning peacock
 
 
WDS 20256-5644 HJ 5193 AD : NOTES
 
 
discov_num notes refcode
HJ 5193 alp Pav = Peacock. A is a spectroscopic binary.
Intensity Interferometer Limb-darkened diameter 0.80 +/- 0.05 mas. HBr1974
 
 
REFERENCES
 
 
refcode metd author reference
HBr1974 - Hanbury Brown, R., Davis, J., & Allen, L.R. 1974MNRAS.167..121H
HBr1974 MNRAS 167, 121, 1974
 
 
DISCOVERER
 
 
idgroup discov author
1 HJ Herschel, J.F.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20256-5644 HJ 5193 AD 1879 1 80 125.7 1.90 9.70 B2IV N 202538.85-564406.3
20256-5644 HJ 5193 AD 2000 2 253 58.9 1.90 9.70 B2IV N 202538.85-564406.3
20256-5644 HJ 5193 AD 2010 3 254 62.3 1.90 9.70 B2IV N 202538.85-564406.3

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

 
 
WDS 20256-5644 HJ 5193 AD : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20256-5644 HJ 5193 AD : MEASURES
 
 
No records found.

 
 
WDS 20256-5644 : VIRTUAL EYEPIECE
 
 

20256-5644 HJ 5193A mag 1.9 Sp B2IV 20256-5644 HJ 5193B sep 249.2 P.A. 80.30 mag 9.14 20256-5644 HJ 5193C sep 142.2 P.A. 66.50 mag 9.7 20256-5644 HJ 5193D sep 37.2 P.A. 242.10 mag 9.7 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 20256-5644 : ALADIN DSS IMAGE @ 20h 25m 38.85s -56° 44' 06.3"
 
 
 
 
WDS 20256-5644 HJ 5193 AD : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20256-5644 HJ 5193AD (Peacock) distance=0' 20256-5644 HJ 5193BC distance=5' 20289-5636 UC 4196 distance=29' 20250-5616 BRT2826 distance=29' 20233-5707 I 126 distance=30' 20224-5630 FIN 276 distance=31' 20285-5604 B 481 distance=47' 20249-5556 FIN 277 distance=49' 20313-5715 KPP3075 distance=56' 20295-5554 KPP4201AB distance=60' 20303-5741 B 485 distance=69' 20333-5718 RST1073 distance=71' 20232-5536 SPM 38 distance=72' 20162-5645 TDT2132 distance=78' 20246-5802 TDT2246 distance=79' 20295-5757 TSN 11 distance=80' 20209-5755 NSN 450 distance=81' 20266-5806 TDT2277 distance=83' 20154-5646 KPP3076AB distance=85' 20154-5646 KPP3076Aa,Ab distance=85' 20283-5519 SKF 377 distance=88' 20149-5659 RMK 25 distance=90' 20284-5510 TDT2313 distance=98' 20363-5549 KPP3077 distance=105' 20203-5825 KPP 469 distance=110' 20216-5449 COO 239 distance=121' 20139-5800 B 471 distance=122' 20113-5613 I 1414 distance=124' 20206-5844 HJ 5185AB distance=127' 20289-5441 B 484 distance=127' 20111-5731 HDO 295 distance=128' 20372-5816 UC 4234AB distance=131' 20408-5559 HDS2948 distance=134' 20170-5839 HDS2892 distance=135' 20192-5433 NSN 452AC distance=143' 20192-5433 HU 1531 distance=143' 20192-5433 NSN 452BC distance=143' 20300-5427 UC 4202 distance=143' 20280-5906 LDS 712 distance=144' 20089-5559 TDT2021AB distance=148' 20089-5559 RST4052AC distance=148' 20355-5850 KPP1799 distance=149' 20428-5737 WSI 136 distance=150' 20091-5544 TDT2027 distance=151' 20226-5416 HJ 5187 distance=151' 20379-5449 B 495 distance=155' 20094-5526 UC 4108 distance=157' 20067-5711 LDS 701 distance=158' 20068-5615 I 1412 distance=159' 20428-5535 TDT2492 distance=160' 20293-5924 UC 4198 distance=163' 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 Peacock 20256-5644 HJ 5193 AB 80 249.4
Show Peacock 20256-5644 HJ 5193 AC 77 244.4
Show Peacock 20256-5644 HJ 5193 AD 254 62.3
Show 20256-5644 HJ 5193 BC 332 16.7 5
Show 20289-5636 UC 4196 51 29.1 29
Show 20250-5616 BRT2826 123 4.1 29
Show 20233-5707 I 126 75 2.0 30
Show 20224-5630 FIN 276 6 0.2 31
Show 20285-5604 B 481 236 2.2 47
Show 20249-5556 FIN 277 39 0.0 49
Show 20313-5715 KPP3075 25 4.7 56
Show 20295-5554 KPP4201 AB 196 3.4 60
Show 20303-5741 B 485 83 0.3 69
Show 20333-5718 RST1073 100 0.4 71
Show 20232-5536 SPM 38 317 15.8 72
Show 20162-5645 TDT2132 192 0.8 78
Show 20246-5802 TDT2246 214 0.5 79
Show 20295-5757 TSN 11 103 111.7 80
Show 20209-5755 NSN 450 166 2.7 81
Show 20266-5806 TDT2277 213 0.4 83
Show 20154-5646 KPP3076 AB 268 8.7 85
Show 20154-5646 KPP3076 Aa,Ab 35 0.8 85
Show 20283-5519 SKF 377 333 2.6 88
Show 20149-5659 RMK 25 29 7.1 90
Show 20284-5510 TDT2313 28 1.3 98
Show 20363-5549 KPP3077 66 5.4 105
Show 20203-5825 KPP 469 95 3.9 110
Show 20216-5449 COO 239 346 4.5 121
Show 20139-5800 B 471 255 1.0 122
Show 20113-5613 I 1414 125 0.8 124
Show 20206-5844 HJ 5185 AB 60 18.7 127
Show 20289-5441 B 484 106 1.6 127
Show 20111-5731 HDO 295 301 0.2 128
Show 20372-5816 UC 4234 AB 131 9.3 131
Show 20408-5559 HDS2948 214 0.9 134
Show 20170-5839 HDS2892 356 0.1 135
Show 20192-5433 NSN 452 AC 271 24.5 143
Show 20192-5433 HU 1531 5 1.7 143
Show 20192-5433 NSN 452 BC 267 24.7 143
Show 20300-5427 UC 4202 57 42.0 143
Show 20280-5906 LDS 712 139 9.9 144
Show 20089-5559 TDT2021 AB 236 0.5 148
Show 20089-5559 RST4052 AC 55 1.5 148
Show 20355-5850 KPP1799 124 13.9 149
Show 20428-5737 WSI 136 338 2.2 150
Show 20091-5544 TDT2027 190 1.0 151
Show 20226-5416 HJ 5187 324 20.2 151
Show 20379-5449 B 495 190 1.7 155
Show 20094-5526 UC 4108 337 19.7 157
Show 20067-5711 LDS 701 333 78.9 158
Show 20068-5615 I 1412 127 6.8 159

 
 
WDS 20256-5644 : COMPONENTS
 
 
  A B C
B pa=80.3°
sep=249.25"
 
C pa=66.5°
sep=142.19"
pa=277.3°
sep=116.27"
 
D pa=242.1°
sep=37.16"
pa=258.0°
sep=284.76"
pa=245.6°
sep=179.26"
 
 
20256-5644 A
 
 
Common name Peacock Meaning peacock Coord arcsec 2000 202538.85-564406.3 Mag 1.9
Spectral class B2IV (blue-white) PmRA 7.00 PmDE -86.0 SAO 246574
HIP 100751 Tycho2 8785-01898-1 HD 193924 HR 7790
GC 28374 CP CP-57 9674 Bayer Alpha Pavonis Bayer name Alp Pav
FK5 764
SAO
SAO 246574 DelFlag RA1950 PmRA1950 0.0019
DE1950 PmDE1950 -0.085 Vmag 2.1 SpType B3
Double code Source 74 CatNum 764 DM CP-57 9674
DMcomp BDsup HD 193924 M HD 0
GC 28374 RA1950rad 5.33069286 DE1950rad -0.99304394 PmRA2000 0.0014
PmDE2000 -0.088
Hipparcos
Catalog H HIP 100751 Proxy RAhms 20 25 38.85
DEdms -56 44 05.6 Vmag 1.94 VarFlag 1 R Vmag G
RAdeg 306.412 DEdeg -56.7349 AstroRef Plx 17.8
CCDM 20257-5644 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 193924 BD
CD CP CP-57 9674 Dm number -57 9674 VIred -0.2
SpType B2IV R SpType Coord arcsec 2000 202538.85-564405.6
Hipparcos 2
HIP 100751 Sn 1 So 0 Nc 1
RArad 5.3478960649 DErad -0.990210468 Plx 18.24 PmRA 6.9
PmDE -86.02 E RArad 0.39 E DErad 0.33 E Plx 0.52
E pmRA 0.44 E pmDE 0.32 Hpmag 1.8583 E Hpmag 0.0006
SHp 0.006 VA 0 BV -0.118 E BV 0.008
VI -0.1
 
 
20256-5644 B
 
 
Coord arcsec 2000 202608.71-564324.5 Coord calc 202608.71-564324.5 Mag 9.14 PmRA 7.00
PmDE -21.0 Tycho2 8785-01899-1 Calc delta mag 7.24
Tycho2
Tycho2 8785-01899-1 Pflag RAmdeg 306.53630733 DEmdeg -56.72350053
PmRA 16.8 PmDE -23.3 E RAmdeg 15 E DEmdeg 14
E pmRA 2.1 E pmDE 2.0 EpRAm 1991.24 EpDEm 1991.34
Num 6 Q RAmdeg 1.3 Q DEmdeg 1.2 Q pmRA 1.3
Q pmDE 1.2 BTmag 10.849 E BTmag 0.046 VTmag 9.140
E VTmag 0.018 Prox 999 TYC HIP
CCDM RAdeg 306.53623778 DEdeg -56.72344806 EpRA 1990 1.81
EpDE 1990 1.89 E RAdeg 15.2 E DEdeg 13.8 Posflg
Corr 0.0
 
 
20256-5644 C
 
 
Coord arcsec 2000 202554.70-564309.7 Mag 9.7 PmRA 19.00 PmDE -29.0
Calc delta mag 7.8 Calc coord yes
 
 
20256-5644 D
 
 
Coord arcsec 2000 202534.86-564423.7 Mag 9.7 Calc delta mag 7.8 Calc coord yes