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Doubles in session


Current system
02238+4920
STF 256 AC


Nearby doubles
24' : 02261+4914
HU 537

26' : 02215+4909
TDS2224

31' : 02252+4948
TOK 466

33' : 02270+4915
KPP2026

37' : 02270+4903
COU2161

55' : 02289+4941
ES 457

57' : 02285+4849
TDS2262

59' : 02206+5009
ES 455

60' : 02256+5017
BUP 31AB

66' : 02192+5009
BLL 6

78' : 02254+4804
STF 259

80' : 02277+5029
ES 456

81' : 02155+4929
TDS2179

84' : 02158+4952
TDS2184

88' : 02209+4758
COU2159

90' : 02192+5039
KPP 18

92' : 02271+5046
DAM 773

96' : 02330+4852
HJ 2144

96' : 02264+5052
COU2354

104' : 02201+5057
TOK 230

106' : 02280+5057
HDS 322

108' : 02172+5048
COU2563

109' : 02222+5107
LDS3373

109' : 02348+4924
ES 458AB

112' : 02224+4729
SKF1928

114' : 02143+5029
COU2452



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.

02238+4920 STF 256 AC

 
 
02h 23m 45.16s +49° 20' 19.4" P.A. 45.00 sep 35.7 mag 9.27,9.86 Sp B9II/III dist. 223.21 pc (728.11 l.y.)
 
 
Coord 2000 02238+4920 Discov num STF 256 Comp AC Coord arcsec 2000 02 23 45.16 +49 20 19.4
Date first 1831 Date last 2016 Obs 27
Pa first 44 Pa last 45.3 P.A. Now (θ) 45.3°
Sep first 36.7 Sep last 35.7 Sep. Now (ρ) 35.7"
Mag pri 9.27 Mag sec 9.86 delta mag (ΔM) 0.59 Spectral class B9II/III (blue-white)
Pri motion ra -003 Sec motion ra -003
Pri motion dec -004 Sec motion dec -009
Notes N U Z (See Notes, Proper motion indicates non-physical, Parallax indicates components are physical)
rPM=0.527
This double is not physical.
 
 
02238+4920 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 02 23 45 +49 20 19 STF 256 AB 2016 26 197 21.3 9.27 11.10 1.83
Show 02 23 45 +49 20 19 STF 256 AC 2016 27 45 35.7 9.27 9.86 0.59 <===
Show 02 23 45 +49 20 19 ABH 9 AD 2015 9 350 38.6 9.27 14.60 5.33
Show 02 23 45 +49 20 19 ABH 9 AE 2015 9 309 71.6 9.27 14.90 5.63
Show 02 23 45 +49 20 19 ABH 9 AF 2015 7 266 52.2 9.27 15.00 5.73
Show 02 23 45 +49 20 19 ABH 9 AG 2015 9 241 46.3 9.27 15.00 5.73
Show 02 23 45 +49 20 19 ABH 9 AH 2015 9 61 74.0 9.27 13.01 3.74
Show 02 23 45 +49 20 19 ABH 9 AI 2015 9 108 73.8 9.27 13.86 4.59
Show 02 23 45 +49 20 19 ABH 9 AJ 2015 9 83 96.3 9.27 15.90 6.63
Show 02 23 45 +49 20 19 ABH 9 AK 2015 9 57 96.4 9.27 15.60 6.33
11-fold system
11 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Andromeda HIP 11170 Tycho2 3302-00869-1 Gaia DR2 355388688113495936
Distance 223.21 Distance ly 728.11