16224+3348 STFA 29AB (Nu1 CrB)

 
 
16h 22m 21.42s +33 47' 56.9" P.A. 164 sep 354.7 mag 5.39,5.58 Sp M2IIIab dist. 196.46 pc (640.85 l.y.)
 
 
Coord 2000
16224+3348
Discov num
STFA 29
Comp
AB
Coord arcsec 2000
16 22 21.42 +33 47 56.9
Date first
1835
Date last
2011
Obs
37
Pa first
166
Pa last
164
P.A. Now (θ)
164°
Sep first
371.8
Sep last
354.7
Sep. Now (ρ)
354.7"
Mag pri
5.39
Mag sec
5.58
delta mag (ΔM)
0.19
Spectral class
M2IIIab (red)
Pri motion ra
+005
Sec motion ra
-005
Pri motion dec
-038
Sec motion dec
+051
Notes
N (See Notes)
rPM=1.748
This double is not physical.
 
 
16224+3348 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Nu1 CrB 65257 16224+3348 STFA 29 AB 1835 2011 37 164 354.7 5.39 5.58 0.19 <===
Show 65257 16224+3348 H N 81 AC 1879 2002 7 241 68.1 5.39 12.62 7.23
Show 65257 16224+3348 STFA 29 AD 1913 2002 5 153 277.1 5.39 11.53 6.14
Show 65259 16224+3348 H 6 18 BD 1879 2002 9 16 100.0 5.58 11.53 5.95
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
164.2
Precise sep
354.69
Name
Nu1 CrB
Constellation
Corona Borealis
SAO
65257
HIP
80197
Tycho2
2583-01993-1
HD
147749
HR
6107
GC
22026
BD
BD+34 2773
Bayer
Nu 1 Coronae Borealis
Bayer name
Nu1 CrB
Flamsteed
20 Coronae Borealis
Flamsteed name
20 CrB
Distance
196.46
Distance ly
640.85
last precise pa
164.2
last precise sep
354.69
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16224+3348 STFA 29 AB 2001 30 164 360.8 5.39 5.58 M2IIIab N D 162221.42+334756.9
16224+3348 STFA 29 AB 2011 32 164 356.5 5.39 5.58 M2IIIab N D 162221.42+334756.9

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