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Doubles in session


Current system
11491+1434
BU 604 AC


Nearby doubles
19' : 11486+1417
BU 603AB

30' : 11511+1437
SLE 890

37' : 11504+1506
GWP1688

39' : 11504+1508
SLE 889

42' : 11468+1500
BU 602

45' : 11460+1437
LDS4144

46' : 11476+1514
TDS 646

46' : 11462+1454
CVR 623

50' : 11524+1428
HDS1675

55' : 11519+1401
HJ 3335AB

57' : 11526+1413
SKF2798

60' : 11452+1416
GWP1662

61' : 11449+1426
CBL 352

67' : 11445+1437
HJ 4469

67' : 11475+1332
CVR 626

74' : 11530+1348
GWP1697

74' : 11477+1323
SLW 650

75' : 11528+1526
SHJ 132AB

77' : 11539+1402
YSC 96

88' : 11544+1515
WOR 20

89' : 11459+1319
KPP3246

90' : 11552+1441
SKF2799

90' : 11552+1423
HU 1257

93' : 11469+1601
CVR 624

96' : 11502+1301
YSC 95AB

97' : 11525+1557
SLE 891



Selections
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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.

11491+1434 BU 604 AC

 
 
11h 49m 03.58s +14° 34' 19.4" P.A. 25.00 sep 101.2 mag 2.14,13.20 Sp A3V dist. 11 pc (35.88 l.y.)
 
 
Coord 2000 11491+1434 Discov num BU  604 Comp AC Coord arcsec 2000 11 49 03.58 +14 34 19.4
Date first 1878 Date last 2014 Obs 11
Pa first 345 Pa last 25.2 P.A. Now (θ) 25.2°
Sep first 76.6 Sep last 101.17 Sep. Now (ρ) 101.17"
Mag pri 2.14 Mag sec 13.20 delta mag (ΔM) 11.06 Spectral class A3V (white)
Pri motion ra -498 Sec motion ra
Pri motion dec -115 Sec motion dec
Notes N L U (See Notes, Linear solution, Proper motion indicates non-physical)
This double is not physical.
 
 
11491+1434 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 99809 11 49 04 +14 34 19 BU 604 AB 2021 2 346 39.1 2.14 15.70 13.56
Show 99809 11 49 04 +14 34 19 BU 604 AC 2014 11 25 101.2 2.14 13.20 11.06 <===
Show Denebola 99809 11 49 04 +14 34 19 BU 604 AD 2021 17 195 239.6 2.14 8.49 6.35
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Common name Denebola Constellation Leo SAO 99809 HIP 57632
Tycho2 0870-00988-1 HD 102647 HR 4534 GC 16189
ADS 8314 GL Gl 448 BD BD+15 2383 Bayer Beta Leonis
Bayer name Bet Leo Flamsteed 94 Leonis Flamsteed name 94 Leo FK5 444
Distance 11 Distance ly 35.88 Bayer greek β Leo
 
 
WDS 11491+1434 BU 604 AC : NOTES
 
 
discov_num notes refcode
BU 604 bet Leo = 94 Leo = Denebola. Possibly variable.
Intensity Interferometer Limb-darkened diameter 1.33 +/- 0.10 mas. HBr1974
AC: Optical pair, based on study of relative motion of the components
using the method of apparent motion parameters. Kiy2008
AC: Rectilinear solution by Hurowitz et al. (2014). USN2014a
 
 
REFERENCES
 
 
refcode metd author reference
HBr1974 - Hanbury Brown, R., Davis, J., & Allen, L.R. 1974MNRAS.167..121H
HBr1974 MNRAS 167, 121, 1974
Kiy2008 - Kiyaeva, O.V., Kiselev, A.A. & Izmailov, I.S. 2008SvAL...32..405K
Kiy2008 SvAL 34, 405, 2008
USN2014a lin - Hurowitz, J.L., Hartkopf, W.I., & Mason, B.D. 2014IAUDS.182....1H
USN2014a Inf. Circ. 182, 1, 2014
 
 
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
11491+1434 BU 604 AC 2007 8 24 98.8 2.14 13.20 A3V N D 114903.58+143419.4
11491+1434 BU 604 AC 2014 11 25 101.2 2.14 13.20 A3V NL U 114903.58+143419.4

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

 
 
WDS 11491+1434 BU 604 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 11491+1434 BU 604 AC : MEASURES
 
 
No records found.

 
 
WDS 11491+1434 : VIRTUAL EYEPIECE
 
 

11491+1434 BU 604A mag 2.14 Sp A3V 11491+1434 BU 604B sep 39.0 P.A. 345.90 mag 15.7 11491+1434 BU 604C sep 100.6 P.A. 24.50 mag 13.2 11491+1434 BU 604D sep 239.1 P.A. 194.80 mag 8.49 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 11491+1434 : ALADIN DSS IMAGE @ 11h 49m 03.58s +14° 34' 19.4"
 
 
 
 
WDS 11491+1434 BU 604 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

11491+1434 BU 604AC (Denebola) distance=0' 11486+1417 BU 603AB distance=19' 11486+1417 TOK 552AC distance=19' 11511+1437 SLE 890 distance=30' 11504+1506 GWP1688 distance=37' 11504+1508 SLE 889 distance=39' 11468+1500 BU 602 distance=42' 11460+1437 LDS4144 distance=45' 11476+1514 TDS 646 distance=46' 11462+1454 CVR 623 distance=46' 11524+1428 HDS1675 distance=50' 11519+1401 HJ 3335AB distance=55' 11519+1401 HJ 3335AC distance=55' 11526+1413 SKF2798 distance=57' 11452+1416 GWP1662 distance=60' 11449+1426 CBL 352 distance=61' 11445+1437 HJ 4469 distance=67' 11475+1332 CVR 626 distance=67' 11530+1348 GWP1697 distance=74' 11477+1323 SLW 650 distance=74' 11528+1526 SHJ 132AB distance=75' 11528+1526 SHJ 132AC distance=75' 11539+1402 YSC 96 distance=77' 11544+1515 WOR 20 distance=88' 11459+1319 KPP3246 distance=89' 11552+1441 SKF2799 distance=90' 11552+1423 HU 1257 distance=90' 11469+1601 CVR 624 distance=93' 11502+1301 YSC 95AB distance=96' 11502+1301 GII 181Aa,Ab distance=96' 11525+1557 SLE 891 distance=97' 11424+1459 KPP2222 distance=100' 11437+1331 HJ 2583 distance=101' 11478+1254 MET 57Aa,Ab distance=103' 11478+1254 MET 57AB distance=103' 11420+1447 CRC 19 distance=103' 11513+1255 LDS4150 distance=106' 11544+1546 BNW 1AB distance=107' 11544+1546 SMH9001AC distance=107' 11518+1614 BRT1275 distance=107' 11495+1246 LDS4148AB distance=109' 11478+1623 SLW 651 distance=111' 11557+1539 H 6 13 distance=116' 11485+1633 HEI 158 distance=120' 11572+1351 BPM 584 distance=126' 11496+1641 BPM 583 distance=127' 11473+1640 CLZ 51 distance=129' 11403+1409 GWP1640 distance=130' 11411+1536 BRT1274 distance=132' 11448+1230 HJ 1195 distance=136' 11404+1341 GWP1641 distance=138' 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 Denebola 11491+1434 BU 604 AB 346 39.1
Show Denebola 11491+1434 BU 604 AC 25 101.2
Show Denebola 11491+1434 BU 604 AD 195 239.6
Show 11486+1417 BU 603 AB 329 1.0 19
Show 11486+1417 TOK 552 AC 306 999.9 19
Show 11511+1437 SLE 890 50 19.2 30
Show 11504+1506 GWP1688 317 10.9 37
Show 11504+1508 SLE 889 19 16.7 39
Show 11468+1500 BU 602 128 0.5 42
Show 11460+1437 LDS4144 86 313.1 45
Show 11476+1514 TDS 646 171 0.7 46
Show 11462+1454 CVR 623 78 11.2 46
Show 11524+1428 HDS1675 46 0.1 50
Show 11519+1401 HJ 3335 AB 69 6.8 55
Show 11519+1401 HJ 3335 AC 37 54.5 55
Show 11526+1413 SKF2798 303 17.3 57
Show 11452+1416 GWP1662 28 121.2 60
Show 11449+1426 CBL 352 203 31.9 61
Show 11445+1437 HJ 4469 171 28.9 67
Show 11475+1332 CVR 626 62 11.9 67
Show 11530+1348 GWP1697 135 37.0 74
Show 11477+1323 SLW 650 346 10.4 74
Show 11528+1526 SHJ 132 AB 14 39.1 75
Show 11528+1526 SHJ 132 AC 267 94.4 75
Show 11539+1402 YSC 96 309 0.1 77
Show 11544+1515 WOR 20 285 1.2 88
Show 11459+1319 KPP3246 57 2.0 89
Show 11552+1441 SKF2799 94 37.0 90
Show 11552+1423 HU 1257 145 0.2 90
Show 11469+1601 CVR 624 277 9.7 93
Show 11502+1301 YSC 95 AB 40 0.4 96
Show 11502+1301 GII 181 Aa,Ab 138 0.2 96
Show 11525+1557 SLE 891 208 20.1 97
Show 11424+1459 KPP2222 67 18.4 100
Show 11437+1331 HJ 2583 62 33.4 101
Show 11478+1254 MET 57 Aa,Ab 231 0.2 103
Show 11478+1254 MET 57 AB 330 9.5 103
Show 11420+1447 CRC 19 98 7.3 103
Show 11513+1255 LDS4150 252 44.0 106
Show 11544+1546 BNW 1 AB 215 104.5 107
Show 11544+1546 SMH9001 AC 283 144.8 107
Show 11518+1614 BRT1275 69 2.9 107
Show 11495+1246 LDS4148 AB 180 38.2 109
Show 11478+1623 SLW 651 27 39.5 111
Show 11557+1539 H 6 13 45 90.0 116
Show 11485+1633 HEI 158 280 1.6 120
Show 11572+1351 BPM 584 65 112.2 126
Show 11496+1641 BPM 583 307 60.8 127
Show 11473+1640 CLZ 51 154 8.4 129
Show 11403+1409 GWP1640 4 4.8 130
Show 11411+1536 BRT1274 330 2.5 132

 
 
WDS 11491+1434 : COMPONENTS
 
 
  A B C
B pa=345.9°
sep=39.02"
 
C pa=24.5°
sep=100.59"
pa=43.6°
sep=74.16"
 
D pa=194.8°
sep=239.07"
pa=190.9°
sep=273.89"
pa=197.7°
sep=338.66"
 
 
11491+1434 A
 
 
Common name Denebola Coord arcsec 2000 114903.58+143419.4 Mag 2.14 Spectral class A3V (white)
PmRA -499.00 PmDE -114.0 SAO 99809 HIP 57632
Tycho2 0870-00988-1 HD 102647 HR 4534 GC 16189
ADS 8314 BD BD+15 2383 Bayer Beta Leonis Bayer name Bet Leo
Flamsteed 94 Leonis Flamsteed name 94 Leo FK5 444
SAO
SAO 99809 DelFlag RA1950 PmRA1950 -0.0343
DE1950 PmDE1950 -0.119 Vmag 2.2 SpType A2
Double code Source 74 CatNum 444 DM BD+15 2383
DMcomp BDsup HD 102647 M HD 0
GC 16189 RA1950rad 3.08273178 DE1950rad 0.2592095 PmRA2000 -0.0342
PmDE2000 -0.114
Hipparcos
Catalog H HIP 57632 Proxy RAhms 11 49 03.88
DEdms +14 34 20.4 Vmag 2.14 VarFlag R Vmag G
RAdeg 177.266 DEdeg 14.5723 AstroRef Plx 90.16
CCDM 11490+1433 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 102647 BD BD+15 2383
CD CP Dm number +15 2383 VIred 0.1
SpType A3Vvar R SpType Coord arcsec 2000 114903.88+143420.4
Hipparcos 2
HIP 57632 Sn 5 So 0 Nc 1
RArad 3.0938781373 DErad 0.2543352565 Plx 90.91 PmRA -497.68
PmDE -114.67 E RArad 0.54 E DErad 0.31 E Plx 0.52
E pmRA 0.87 E pmDE 0.44 Hpmag 2.1605 E Hpmag 0.0006
SHp 0.005 VA 0 BV 0.09 E BV 0
VI 0.1
 
 
11491+1434 B
 
 
Coord arcsec 2000 114902.93+143457.3 Mag 15.7 Calc delta mag 13.56 Calc coord yes
 
 
11491+1434 C
 
 
Coord arcsec 2000 114906.45+143550.9 Mag 13.2 Calc delta mag 11.06 Calc coord yes
 
 
11491+1434 D
 
 
Coord arcsec 2000 114859.37+143028.3 Mag 8.49 PmRA -47.00 PmDE 32.0
Tycho2 0870-00099-1 ADS 8314 DM BD+15 2382 Calc delta mag 6.35
Calc coord yes
Tycho2
Tycho2 0870-00099-1 Pflag RAmdeg 177.24657524 DEmdeg 14.50754091
PmRA -47.1 PmDE 30.3 E RAmdeg 7 E DEmdeg 9
E pmRA 0.8 E pmDE 0.8 EpRAm 1990.48 EpDEm 1989.80
Num 15 Q RAmdeg 1.3 Q DEmdeg 1.3 Q pmRA 1.4
Q pmDE 1.5 BTmag 9.175 E BTmag 0.020 VTmag 8.488
E VTmag 0.014 Prox 999 TYC T HIP
CCDM RAdeg 177.24668722 DEdeg 14.50747056 EpRA 1990 1.73
EpDE 1990 1.64 E RAdeg 7.2 E DEdeg 9.1 Posflg
Corr 0.2