stampa
Login

A workbench to forge your own double stars?
Create your account here!


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
21041-0549
STF 2745 AB
12 Aqr


Nearby doubles
24' : 21032-0610
RST4689

36' : 21065-0546
RST4692

37' : 21017-0552
TDS1111

42' : 21066-0534
BRT 557

42' : 21051-0510
A 177

44' : 21027-0629
UC 4364

51' : 21014-0539
CHE 304

54' : 21005-0548
ROE 148

55' : 21033-0456
TDT2716

56' : 21070-0529
GRV1139

57' : 21077-0534
BUP 225

57' : 21004-0537
TDT2690

60' : 21001-0541
ROE 114AB

62' : 21077-0621
BRT 513

63' : 21001-0530
UC 4356

74' : 21001-0506
WSP 69AB

75' : 21005-0642
CVR 881

81' : 21047-0429
HJ 5244

81' : 21011-0657
WAA 49

86' : 21070-0435
BRT 512

88' : 21067-0431
TDT2756

90' : 21008-0704
UC 4361

90' : 20587-0511
KPP 928

90' : 20599-0653
UC 4355

94' : 20594-0652
SKF1773

97' : 21000-0436
RST4688



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.

21041-0549 STF 2745 AB (12 Aqr)

 
 
21h 04m 04.71s -05° 49' 23.0" P.A. 198.00 sep 2.4 mag 5.80,7.50 Sp G4III dist. 153.85 pc (501.86 l.y.)
 
 
Coord 2000 21041-0549 Discov num STF2745 Comp AB Coord arcsec 2000 21 04 04.71 -05 49 23.0
Date first 1825 Date last 2021 Obs 126
Pa first 192 Pa last 197.5 P.A. Now (θ) 197.5°
Sep first 3.2 Sep last 2.439 Sep. Now (ρ) 2.439"
Mag pri 5.80 Mag sec 7.50 delta mag (ΔM) 1.7 Spectral class G4III (yellow)
Pri motion ra +013 Sec motion ra +013
Pri motion dec -009 Sec motion dec -009
Notes N (See Notes)
Nature of this double is uncertain.
 
 
21041-0549 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 145064 21 04 05 -05 49 23 MCA 66 Aa,Ab 2021 15 54 0.3 5.90 8.30 2.40
Show 12 Aqr 145064 21 04 05 -05 49 23 STF 2745 AB 2021 126 198 2.4 5.80 7.50 1.70 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name 12 Aqr Constellation Aquarius SAO 145064 HIP 103981
Tycho2 5204-01584-1 Gaia DR2 6910418142353215104 HD 200496 HR 8058
GC 29416 ADS 14592 BD BD-06 5664 Flamsteed 12 Aquarii
Flamsteed name 12 Aqr Distance 153.85 Distance ly 501.86
 
 
WDS 21041-0549 STF 2745 AB (12 Aqr) : NOTES
 
 
discov_num notes refcode
MCA 66 Aa,Ab: 12 Aqr.
A measure on 1980.7257 was incorrectly attributed to HR 8059 by
McAlister et al. (1983); it actually belongs to ADS 13944. McA1983
 
 
REFERENCES
 
 
refcode metd author reference
McA1983 Sc j McAlister, H.A., Hendry, E.M., Hartkopf, W.I., Campbell, B.G., & Fekel, F.C. 1983ApJS...51..309M
McA1983 ApJS 51, 309, 1983
 
 
DISCOVERER
 
 
idgroup discov author
1 STF Struve, F.G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21041-0549 STF2745 AB 2006 121 201 2.4 5.80 7.50 D 210404.71-054923.0
21041-0549 STF2745 AB 2008 122 196 2.5 5.80 7.50 D 210404.71-054923.0
21041-0549 STF2745 AB 2009 125 197 2.5 5.80 7.50 N D 210404.71-054923.0
21041-0549 STF2745 AB 2011 126 196 2.5 5.80 7.50 N D 210404.71-054923.0
21041-0549 STF2745 AB 2012 127 196 2.3 5.80 7.50 N D 210404.71-054923.0
21041-0549 STF2745 AB 2015 122 197 2.5 5.80 7.50 G4III N D 210404.71-054923.0
21041-0549 STF2745 AB 2017 125 197 2.5 5.80 7.50 G4III N 210404.71-054923.0
21041-0549 STF2745 AB 2021 126 198 2.4 5.80 7.50 G4III N 210404.71-054923.0

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

 
 
WDS 21041-0549 STF 2745 AB (12 Aqr) : VISUAL OBSERVATIONS REPORTS
 
 
Show date username difficulty separation pa_estim interest notes
Show 22/09/02 daedalus1 mean difficulty separated 197   Seeing: Pickering 6, good. Measures: theta 197, rho 2.54 +/- 0.144. Very nice pair, primary much brighter than companion.

 
 
WDS 21041-0549 STF 2745 AB (12 Aqr) : MEASURES
 
 
Records found: 1
Show date username difficulty sep sep_sigma pa pa_sigma delta_mag # notes
Show 22/09/02 Daedalus1 mean difficulty 2.54 0.14 197.00 0.00 1.70 12 Pickering 6, good.
 
 
WDS 21041-0549 (12 Aqr) : VIRTUAL EYEPIECE
 
 

21041-0549 STF2745A mag 5.8 Sp G4III 21041-0549 MCA 66Ab sep 0.3 P.A. 53.50 mag 8.3 21041-0549 STF2745B sep 2.4 P.A. 197.40 mag 7.5 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 21041-0549 (12 Aqr) : ALADIN DSS IMAGE @ 21h 04m 04.71s -05° 49' 23.0"
 
 
 
 
WDS 21041-0549 STF 2745 AB (12 Aqr) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21041-0549 MCA 66Aa,Ab distance=1' 21041-0549 STF2745AB distance=1' 21032-0610 RST4689 distance=24' 21065-0546 RST4692 distance=36' 21017-0552 TDS1111 distance=37' 21066-0534 BRT 557 distance=42' 21051-0510 A 177 distance=42' 21027-0629 UC 4364 distance=44' 21014-0539 CHE 304 distance=51' 21005-0548 ROE 148 distance=54' 21033-0456 TDT2716 distance=55' 21070-0529 GRV1139 distance=56' 21077-0534 BUP 225 distance=57' 21004-0537 TDT2690 distance=57' 21001-0541 ROE 114AB distance=60' 21001-0541 ROE 114AC distance=60' 21001-0541 ROE 114AD distance=60' 21077-0621 BRT 513 distance=62' 21001-0530 UC 4356 distance=63' 21001-0506 WSP 69AB distance=74' 21001-0506 WSP 69AC distance=74' 21001-0506 WSP 69AD distance=74' 21005-0642 CVR 881 distance=75' 21047-0429 HJ 5244 distance=81' 21011-0657 WAA 49 distance=81' 21070-0435 BRT 512 distance=86' 21067-0431 TDT2756 distance=88' 21008-0704 UC 4361 distance=90' 20587-0511 KPP 928 distance=90' 20599-0653 UC 4355 distance=90' 20594-0652 SKF1773 distance=94' 21000-0436 RST4688 distance=97' 21092-0450 KPP2590 distance=97' 21027-0410 GWP3031 distance=102' 20578-0510 J 1714 distance=102' 20572-0612 GRF 4 distance=107' 21086-0427 BRT 514 distance=108' 21050-0403 RST4690 distance=108' 21088-0426 HDS3013Aa,Ab distance=110' 21088-0426 VVO 18AB distance=110' 21088-0426 AMM 10AC distance=110' 21088-0426 AMM 10AD distance=110' 21088-0426 AMM 10AE distance=110' 21088-0426 AMM 10AF distance=110' 21088-0426 AMM 10AG distance=110' 21095-0437 CVR 889 distance=110' 21081-0418 KPP1922 distance=110' 21079-0725 KPP2183 distance=112' 20586-0434 BRT 511 distance=112' 20567-0600 J 2330AB distance=113' 20567-0600 J 2330AC distance=113' 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 21041-0549 MCA 66 Aa,Ab 54 0.3 1
Show 21041-0549 STF2745 AB 198 2.4 1
Show 21032-0610 RST4689 84 0.8 24
Show 21065-0546 RST4692 282 1.8 36
Show 21017-0552 TDS1111 51 1.3 37
Show 21066-0534 BRT 557 281 4.3 42
Show 21051-0510 A 177 337 1.2 42
Show 21027-0629 UC 4364 165 27.0 44
Show 21014-0539 CHE 304 280 7.1 51
Show 21005-0548 ROE 148 88 12.8 54
Show 21033-0456 TDT2716 240 0.7 55
Show 21070-0529 GRV1139 121 39.7 56
Show 21077-0534 BUP 225 264 58.3 57
Show 21004-0537 TDT2690 293 0.7 57
Show 21001-0541 ROE 114 AB 307 6.5 60
Show 21001-0541 ROE 114 AC 227 38.8 60
Show 21001-0541 ROE 114 AD 138 92.0 60
Show 21077-0621 BRT 513 258 6.6 62
Show 21001-0530 UC 4356 325 25.1 63
Show 21001-0506 WSP 69 AB 89 7.4 74
Show 21001-0506 WSP 69 AC 15 15.0 74
Show 21001-0506 WSP 69 AD 147 17.0 74
Show 21005-0642 CVR 881 127 11.1 75
Show 21047-0429 HJ 5244 132 13.6 81
Show 21011-0657 WAA 49 171 6.1 81
Show 21070-0435 BRT 512 63 5.2 86
Show 21067-0431 TDT2756 84 0.6 88
Show 21008-0704 UC 4361 52 39.2 90
Show 20587-0511 KPP 928 341 7.6 90
Show 20599-0653 UC 4355 21 32.1 90
Show 20594-0652 SKF1773 31 1.7 94
Show 21000-0436 RST4688 112 0.3 97
Show 21092-0450 KPP2590 193 23.4 97
Show 21027-0410 GWP3031 164 13.1 102
Show 20578-0510 J 1714 94 10.2 102
Show 20572-0612 GRF 4 30 13.1 107
Show 21086-0427 BRT 514 135 4.6 108
Show 21050-0403 RST4690 7 0.9 108
Show 21088-0426 HDS3013 Aa,Ab 326 0.2 110
Show 21088-0426 VVO 18 AB 332 20.9 110
Show 21088-0426 AMM 10 AC 262 4.4 110
Show 21088-0426 AMM 10 AD 264 4.9 110
Show 21088-0426 AMM 10 AE 2 12.9 110
Show 21088-0426 AMM 10 AF 330 20.2 110
Show 21088-0426 AMM 10 AG 311 21.9 110
Show 21095-0437 CVR 889 308 20.2 110
Show 21081-0418 KPP1922 338 15.1 110
Show 21079-0725 KPP2183 190 17.9 112
Show 20586-0434 BRT 511 82 4.0 112
Show 20567-0600 J 2330 AB 115 6.4 113
Show 20567-0600 J 2330 AC 106 27.7 113

 
 
WDS 21041-0549 : COMPONENTS
 
 
  A Ab
Ab pa=53.5°
sep=0.31"
 
B pa=197.4°
sep=2.44"
pa=201.3°
sep=2.70"
 
 
21041-0549 A
 
 
Name 12 Aqr Coord arcsec 2000 210404.71-054923.0 Mag 5.8 Spectral class G4III (yellow)
PmRA 13.00 PmDE -9.0 SAO 145064 HIP 103981
Tycho2 5204-01584-1 HD 200496 HR 8058 GC 29416
BD BD-06 5664 Flamsteed 12 Aquarii Flamsteed name 12 Aqr
Tycho2
Tycho2 5204-01584-1 Pflag P RAmdeg 316.01962988 DEmdeg -5.82320498
PmRA 12.5 PmDE -8.5 E RAmdeg 3 E DEmdeg 4
E pmRA 2.8 E pmDE 2.9 EpRAm 1991.82 EpDEm 1991.89
Num 4 Q RAmdeg 1.3 Q DEmdeg 2.2 Q pmRA 1.4
Q pmDE 2.2 BTmag 6.707 E BTmag 0.014 VTmag 5.797
E VTmag 0.009 Prox 24 TYC T HIP 103981
CCDM A RAdeg 316.01963611 DEdeg -5.82305000 EpRA 1990 1.84
EpDE 1990 1.92 E RAdeg 3.3 E DEdeg 3.8 Posflg D
Corr -0.3
SAO
SAO 145064 DelFlag RA1950 PmRA1950 0
DE1950 PmDE1950 0.015 Vmag 7.3 SpType A3
Double code Source 70 CatNum 29416 DM BD-06 5664
DMcomp B BDsup HD 200496 M HD 0
GC 29416 RA1950rad 5.50403787 DE1950rad -0.10511732 PmRA2000 0.0002
PmDE2000 0.012
Hipparcos
Catalog H HIP 103981 Proxy H RAhms 21 04 04.71
DEdms -05 49 23.0 Vmag 5.53 VarFlag R Vmag H
RAdeg 316.02 DEdeg -5.82305 AstroRef A Plx 6.03
CCDM 21041-0549 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 195 Rho 2.437 HD 200496 BD BD-06 5664
CD CP Dm number -06 5664 VIred 0.74
SpType G4 R SpType Coord arcsec 2000 210404.71-054923.0
Hipparcos 2
HIP 103981 Sn 15 So 3 Nc 2
RArad 5.5155831351 DErad -0.1016313774 Plx 6.5 PmRA 20.35
PmDE -6.67 E RArad 0.72 E DErad 0.44 E Plx 0.88
E pmRA 1.16 E pmDE 0.42 Hpmag 5.6679 E Hpmag 0.0008
SHp 0.007 VA 0 BV 0.683 E BV 0.007
VI 0.74
CCDM
Ccdm 21041-0549 RComp Comp A Note1
Note2 Discov num DRAs -1.27 DDEs -23.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 5.9 Sp F5 PmNote *
PmRA 16 PmDE -6 Dm number -06 5664 Cat1 BD
Name2 145065 Cat2 SAO HD 200497 M HD
ADS BDS A14592 M ADS BDS N IDS IDS 20588S0613A
HIC 103981
 
 
21041-0549 Ab
 
 
Coord arcsec 2000 210404.73-054922.8 Mag 8.3 Calc delta mag 2.4 Calc coord yes
 
 
21041-0549 B
 
 
Coord arcsec 2000 210404.66-054925.3 Mag 7.5 PmRA 13.00 PmDE -9.0
Tycho2 5204-01584-2 Calc delta mag 1.6 Calc coord yes
Tycho2
Tycho2 5204-01584-2 Pflag P RAmdeg 316.01962988 DEmdeg -5.82320498
PmRA 12.5 PmDE -8.5 E RAmdeg 3 E DEmdeg 4
E pmRA 2.8 E pmDE 2.9 EpRAm 1991.82 EpDEm 1991.89
Num 4 Q RAmdeg 1.3 Q DEmdeg 2.2 Q pmRA 1.4
Q pmDE 2.2 BTmag 7.662 E BTmag 0.015 VTmag 7.497
E VTmag 0.011 Prox 24 TYC T HIP 103981
CCDM B RAdeg 316.01946917 DEdeg -5.82370056 EpRA 1990 1.83
EpDE 1990 1.90 E RAdeg 4.1 E DEdeg 5.1 Posflg D
Corr -0.3
CCDM
Ccdm 21041-0549 RComp Comp B Note1
Note2 Discov num STF2745 DRAs DDEs
R dRAs Year 1831 Theta 192 Rho 2.8
Obs 99 Vmag 7.3 Sp A3 PmNote
PmRA -3 PmDE 15 Dm number Cat1
Name2 Cat2 HD 200496 M HD
ADS BDS A14592 M ADS BDS N IDS IDS 20588S0613B
HIC 103981