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Doubles in session


Current system
01531+2935
BUP 27 AC


Nearby doubles
12' : 01539+2932
AZC 18

36' : 01504+2942
MLB1059

51' : 01524+2845
AZC 17

54' : 01551+2847
STF 183AB

55' : 01535+3030
MLB 737

63' : 01483+2925
GRV 99

68' : 01564+3026
FRK 2

69' : 01479+2952
GRV 98

71' : 01495+2842
STF 176

72' : 01563+3032
GRV 105

76' : 01568+3033
KO 4

77' : 01572+3027
J 2720

77' : 01496+3037
TDS2015

79' : 01590+2941
AZC 19

81' : 01571+3034
ES 321

83' : 01504+3050
TDS2020

84' : 01586+2855
GRV 107

84' : 01467+2937
HO 496

86' : 01465+2936
COU 451

87' : 01580+3033
KPP 759

88' : 01520+2809
SKF1603

91' : 01597+3003
UC 655

94' : 01581+3041
TDS2070

94' : 01484+2824
CVR 31

96' : 01492+2815
A 2009AB

97' : 01477+2829
STF 161



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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.

01531+2935 BUP 27 AC

 
 
01h 53m 04.91s +29° 34' 43.8" P.A. 183.00 sep 198.5 mag 3.46,12.87 Sp F6IV dist. 19.42 pc (63.35 l.y.)
 
 
Coord 2000 01531+2935 Discov num BUP  27 Comp AC Coord arcsec 2000 01 53 04.91 +29 34 43.8
Date first 1879 Date last 2012 Obs 6
Pa first 182 Pa last 182.9 P.A. Now (θ) 182.9°
Sep first 228.3 Sep last 198.471 Sep. Now (ρ) 198.471"
Mag pri 3.46 Mag sec 12.87 delta mag (ΔM) 9.41 Spectral class F6IV (yellow-white)
Pri motion ra +011 Sec motion ra +007
Pri motion dec -234 Sec motion dec +001
Notes N U (See Notes, Proper motion indicates non-physical)
rPM=1.003
This double is not physical.
 
 
01531+2935 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 74996 01 53 05 +29 34 44 BUP 27 AB 2010 5 319 100.2 3.46 13.27 9.81
Show 74996 01 53 05 +29 34 44 BUP 27 AC 2012 6 183 198.5 3.46 12.87 9.41 <===
Show Mothallah 74996 01 53 05 +29 34 44 BUP 27 AD 2012 8 172 277.2 3.46 10.99 7.53
Show 74996 01 53 05 +29 34 44 DAL 51 AE 2010 4 340 146.7 3.46 12.35 8.89
Show 74996 01 53 05 +29 34 44 DAL 51 AF 2010 3 148 229.5 3.46 14.22 10.76
Show 01 53 15 +29 31 25 DAL 51 FG 2015 8 314 12.6 14.22 16.40 2.18
Septuple system
7 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Common name Mothallah Constellation Triangulum SAO 74996 HIP 8796
Tycho2 1763-03028-1 Gaia DR2 299464296906886016 HD 11443 HR 544
GC 2272 GL Gl 78.1 BD BD+28 312 Bayer Alpha Trianguli
Bayer name Alp Tri Flamsteed 2 Trianguli Flamsteed name 2 Tri FK5 64
Distance 19.42 Distance ly 63.35 Bayer greek α Tri
Other names Ras al Muthallah, Ras al Mothallah, Caput Trianguli, Rasalmudallah, Metallah, Atria
Meaning the apex of the triangle