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Doubles in session


Current system
08401+2000
ENG 37 AB
39 Cnc


Nearby doubles
8' : 08397+2005
COU 47

10' : 08400+2009
ARN 105AB

12' : 08403+2012
BOV 40

14' : 08403+1947
BOV 41

15' : 08391+2000
OCC 637

17' : 08401+1944
PAT 45

18' : 08393+2013
BOV 38

20' : 08405+2019
BOV 45

21' : 08404+1940
STF1254AB

23' : 08397+1939
HZG 6

23' : 08401+2023
SLE 334

24' : 08408+1940
BOV 47

25' : 08391+1941
S 570AB

25' : 08384+2006
BOV 36

27' : 08419+2010
SLE 336AB

28' : 08399+1933
BU 584AB

28' : 08381+1959
BOV 34

29' : 08405+1933
S 574AB
Meleph

30' : 08408+2028
SLW 276

32' : 08423+2002
COU 382

32' : 08422+1950
SLW 280

33' : 08399+2032
TDS 484

33' : 08413+2029
BU 585

35' : 08396+1926
BOV 39

36' : 08381+2023
SLE 330

38' : 08377+1946
STF1249



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

08401+2000 ENG 37 AB (39 Cnc)

 
 
08h 40m 06.44s +20° 00' 28.1" P.A. 150.00 sep 151.8 mag 6.47,6.58 Sp K0III dist. 186.57 pc (608.59 l.y.)
 
 
Coord 2000 08401+2000 Discov num ENG  37 Comp AB Coord arcsec 2000 08 40 06.44 +20 00 28.1
Date first 1831 Date last 2015 Obs 34
Pa first 151 Pa last 149.6 P.A. Now (θ) 149.6°
Sep first 150.0 Sep last 151.8 Sep. Now (ρ) 151.8"
Mag pri 6.47 Mag sec 6.58 delta mag (ΔM) 0.11 Spectral class K0III (yellow-orange)
Pri motion ra -034 Sec motion ra -034
Pri motion dec -013 Sec motion dec -014
Notes N Z W (See Notes, Parallax indicates components are physical, )
rPM=0.027 (< 0.3, Physical double)
This double is physical.
 
 
08401+2000 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 39 Cnc 80333 08 40 06 +20 00 28 ENG 37 AB 2015 34 150 151.8 6.47 6.58 0.11 <===
Show 80333 08 40 06 +20 00 28 ENG 37 AC 2015 23 309 134.0 6.47 9.03 2.56
Show 80333 08 40 06 +20 00 28 ENG 37 AD 2015 22 111 134.9 6.47 8.79 2.32
Show 80333 08 40 06 +20 00 28 SLE 685 AR 2001 4 150 290.3 6.47 11.63 5.16
Show 80333 08 40 06 +20 00 28 SLE 335 AS 2002 6 325 261.7 6.47 10.14 3.67
Show 80336 08 40 11 +19 58 16 CHR 28 Ba,Bb 1987 3 134 0.4 6.61
Show 80336 08 40 11 +19 58 16 BUP 120 BR 2015 7 147 140.3 6.61 11.63 5.02
Show 80331 08 39 59 +20 01 53 PAT 44 Ca,Cb 1998 1 22 0.3 9.23
Show 80331 08 39 59 +20 01 53 SLE 335 CS 2002 8 340 137.1 9.03 10.14 1.11
Octuple system
6 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name 39 Cnc Var name NSV4179 Cnc Constellation Cancer SAO 80333
HIP 42516 Tycho2 1398-00027-1 Gaia DR2 661324431287688448 HD 73665
HR 3427 GC 11888 DM BD+20 2159 BD BD+20 2158
Flamsteed 39 Cancri Flamsteed name 39 Cnc Distance 186.57 Distance ly 608.59