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Doubles in session


Current system
20347+3230
STF2700


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TDT2365

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32' : 20366+3209
TDT2417

33' : 20371+3217
STN 51

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TDT2404

42' : 20320+3208
TDT2343

43' : 20368+3157
J 568

44' : 20353+3313
GRV 359

44' : 20338+3312
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48' : 20365+3149
TDS1085

50' : 20384+3215
TDT2445

51' : 20311+3253
SKF2393

52' : 20330+3144
ES 365AB

53' : 20325+3147
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56' : 20333+3323
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SEI1162

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TDT2423



Selections
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Binary Systems
Triple Systems
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20347+3230 STF2700

 
 
20h 34m 44.60s +32° 30' 21.1" P.A. 285.00 sep 24.1 mag 6.99,8.75 Sp K2III dist. 267.38 pc (872.19 l.y.)
 
 
Coord 2000
20347+3230
 Discov num
STF2700
 Comp
Coord arcsec 2000
20 34 44.60 +32 30 21.1
Date first
1831
 Date last
2019
 Obs
56
Pa first
286
 Pa last
285
 P.A. Now (θ)
285°
Sep first
24.0
 Sep last
24.1
 Sep. Now (ρ)
24.1"
Mag pri
6.99
 Mag sec
8.75
 delta mag (ΔM)
1.76
 Spectral class
K2III (yellow-orange)
Pri motion ra
+004
 Sec motion ra
+004
Pri motion dec
+006
 Sec motion dec
+006
Notes
N T (See Notes, Parallax indicates physical)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
284.5
 Precise sep
24.095
 Constellation
Cygnus
 SAO
70220
HIP
101544
 Tycho2
2690-01644-1
 Gaia DR2
1863531922579116160
 HD
196197
BD
BD+32 3865
 Distance
267.38
 Distance ly
872.19
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20347+3230 STF2700 2008 44 285 23.8 6.99 8.75 K2III N D 203444.60+323021.1
20347+3230 STF2700 2009 45 284 24.1 6.99 8.75 K2III N D 203444.60+323021.1
20347+3230 STF2700 2011 46 285 24.0 6.99 8.75 K2III N D 203444.60+323021.1
20347+3230 STF2700 2012 48 284 25.1 6.99 8.75 K2III N D 203444.60+323021.1
20347+3230 STF2700 2015 49 284 24.0 6.99 8.75 K2III N 203444.60+323021.1
20347+3230 STF2700 2016 51 285 24.2 6.99 8.75 K2III N 203444.60+323021.1
20347+3230 STF2700 2017 52 285 24.1 6.99 8.75 K2III N 203444.60+323021.1
20347+3230 STF2700 2018 54 285 24.2 6.99 8.75 K2III N 203444.60+323021.1
20347+3230 STF2700 2019 56 285 24.1 6.99 8.75 K2III NT 203444.60+323021.1

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