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Doubles in session


Current system
18501+3322
RBR 11 Aa,Ab


Nearby doubles
9' : 18495+3316
STF2407

12' : 18506+3313
TAR 3AB

12' : 18494+3324
J 765

17' : 18488+3319
HJ 1349AB

23' : 18493+3301
ES 2287

25' : 18491+3343
UC 3682

28' : 18523+3321
ES 2233AB

34' : 18498+3249
H 5 40AB

39' : 18527+3301
BAR 46AB

41' : 18473+3302
TDS 945

43' : 18487+3401
HU 936

45' : 18533+3302
POP 192

46' : 18476+3248
COU1154

48' : 18536+3303
HL 9001AB

49' : 18499+3233
HO 440

50' : 18469+3254
KPP4121

50' : 18462+3328
COU1152

53' : 18518+3410
GYL 10

53' : 18537+3256
ITF 165

54' : 18496+3415
COU1155

59' : 18546+3311
ES 2234

59' : 18515+3418
DAM1253

59' : 18497+3223
J 131

61' : 18548+3306
DAL 10

63' : 18475+3415
KPP4122

64' : 18461+3242
SEI 575



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.

18501+3322 RBR 11 Aa,Ab

 
 
18h 50m 04.79s +33° 21' 45.6" P.A. 176.00 sep 0.5 mag 3.60,8.20 Sp B8Iab+B4V dist. 294.99 pc (962.26 l.y.)
 
 
Coord 2000 18501+3322 Discov num RBR  11 Comp Aa,Ab Coord arcsec 2000 18 50 04.79 +33 21 45.6
Date first 2002 Date last 2002 Obs 1
Pa first 176 Pa last 176.3 P.A. Now (θ) 176.3°
Sep first 0.5 Sep last 0.54 Sep. Now (ρ) 0.54"
Mag pri 3.60 Mag sec 8.20 delta mag (ΔM) 4.6 Spectral class B8Iab+B4V (blue-white/blue-white)
Pri motion ra +002 Sec motion ra
Pri motion dec -004 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
18501+3322 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 67451 18 50 05 +33 21 46 CIA 3 Aa1,2 2007 14 88 0.0 3.60 4.00 0.40 Y
Show 67451 18 50 05 +33 21 46 RBR 11 Aa,Ab 2002 1 176 0.5 3.60 8.20 4.60 <===
Show Sheliak 67451 18 50 05 +33 21 46 STFA 39 AB 2017 117 149 45.7 3.63 6.69 3.06
Show 67451 18 50 05 +33 21 46 BU 293 AC 2015 8 247 46.8 3.63 13.00 9.37
Show 67451 18 50 05 +33 21 46 BU 293 AD 2015 8 68 64.0 3.63 14.30 10.67
Show 67451 18 50 05 +33 21 46 BU 293 AE 2015 37 317 67.2 3.63 10.14 6.51
Show 67451 18 50 05 +33 21 46 BU 293 AF 2015 36 18 86.0 3.63 10.62 6.99
Show 67453 18 50 07 +33 21 07 BU 293 BE 2015 14 322 112.4 6.69 10.13 3.44
Show 67453 18 50 07 +33 21 07 BU 293 BF 2015 14 1 120.6 6.69 10.62 3.93
Show 18 50 01 +33 22 35 BU 293 EF 2015 11 66 79.4 10.14 10.62 0.48
Octuple system
6 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Lyra SAO 67451 HIP 92420 Tycho2 2642-02929-1
Gaia DR2 2090687795054381056 HD 174638 HR 7106 GC 25847
ADS 11745 BD BD+33 3223 Bayer Beta Lyrae Bayer name Bet Lyr
Flamsteed 10 Lyrae Flamsteed name 10 Lyr FK5 705 Distance 294.99
Distance ly 962.26 Bayer greek β Lyr