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Doubles in session


Current system
02493+1728
ARN 31 AD


Nearby doubles
15' : 02483+1727
COU 672

22' : 02479+1737
A 2223

30' : 02473+1717
A 2222AB

31' : 02474+1713
CHE 69

32' : 02514+1736
KU 79

33' : 02476+1706
CHE 70

35' : 02516+1739
CHE 73

37' : 02502+1802
COU 676

38' : 02495+1805
CHE 71

44' : 02501+1646
GWP 378

46' : 02511+1805
CHE 72

46' : 02473+1803
GWP 368

46' : 02469+1757
CHE 68

51' : 02485+1817
OCC 232

53' : 02473+1812
BPM 58

55' : 02489+1822
GRV 147

65' : 02529+1649
CHE 74

65' : 02459+1745
J 1081

78' : 02544+1754
GWP 389

81' : 02441+1658
HEI 97

82' : 02503+1608
BRT1172

85' : 02436+1709
BRT1171

86' : 02480+1604
TDS 96AB

87' : 02433+1718
BPM 56

89' : 02507+1601
BPM 61

93' : 02463+1850
OCC 873



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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

02493+1728 ARN 31 AD

 
 
02h 49m 17.55s +17° 27' 51.5" P.A. 134.00 sep 221.7 mag 5.32,10.49 Sp B6V dist. 239.23 pc (780.37 l.y.)
 
 
Coord 2000 02493+1728 Discov num ARN  31 Comp AD Coord arcsec 2000 02 49 17.55 +17 27 51.5
Date first 1895 Date last 2018 Obs 12
Pa first 133 Pa last 134.2 P.A. Now (θ) 134.2°
Sep first 211.9 Sep last 221.7 Sep. Now (ρ) 221.7"
Mag pri 5.32 Mag sec 10.49 delta mag (ΔM) 5.17 Spectral class B6V (blue-white)
Pri motion ra +004 Sec motion ra +048
Pri motion dec -015 Sec motion dec -066
Notes N (See Notes)
rPM=0.825
This double is not physical.
 
 
02493+1728 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 93127 02 49 18 +17 27 52 OCC 9077 Aa,Ab 1993 0 -1 0.0 5.32
Show Pi Ari 93127 02 49 18 +17 27 52 STF 311 AB 2018 82 118 3.2 5.32 7.95 2.63
Show 93127 02 49 18 +17 27 52 STF 311 AC 2018 48 113 25.5 5.32 10.72 5.40
Show 93127 02 49 18 +17 27 52 ARN 31 AD 2018 12 134 221.7 5.32 10.49 5.17 <===
Show 93127 02 49 18 +17 27 52 TOB 364 AE 1997 1 184 14.2 5.32 14.00 8.68
Show 93127 02 49 18 +17 27 52 TOB 364 AF 1997 1 17 17.5 5.32 15.00 9.68
Show 02 49 18 +17 27 50 STF 311 BC 2017 30 110 23.8 7.95 10.72 2.77
Septuple system
6 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name NSV944 Ari Constellation Aries SAO 93127 HIP 13165
Tycho2 1223-01987-1 Gaia DR2 83369717557815296 HD 17543 HR 836
GC 3378 ADS 2151 BD BD+16 355 Bayer Pi Arietis
Bayer name Pi Ari Flamsteed 42 Arietis Flamsteed name 42 Ari Distance 239.23
Distance ly 780.37 Bayer greek π Ari