19121-2156 SEE 371

 
 
19h 12m 05.82s -21 55' 41.7" P.A. 330 sep 7.5 mag 8.00,11.74 Sp K0III dist. 85.4 pc (278.57 l.y.)
 
 
Coord 2000
19121-2156
Discov num
SEE 371
Comp
Coord arcsec 2000
19 12 05.82 -21 55 41.7
Date first
1897
Date last
2015
Obs
10
Pa first
330
Pa last
330
P.A. Now (θ)
330°
Sep first
7.8
Sep last
7.5
Sep. Now (ρ)
7.5"
Mag pri
8.00
Mag sec
11.74
delta mag (ΔM)
3.74
Spectral class
K0III (yellow-orange)
Pri motion ra
+011
Sec motion ra
+006
Pri motion dec
-006
Sec motion dec
-006
Notes
rPM=0.187 (< 0.3, Physical double)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Spectr
F8
Constellation
Bootes
SAO
100857
HIP
68986
Tycho2
0907-00817-1
HD
123439
BD
BD+13 2750
Distance
85.4
Distance ly
278.57
last precise pa
330.2
last precise sep
7.527
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19121-2156 SEE 371 1998 9 329 7.2 8.00 11.74 K0III D 191205.82-215541.7
19121-2156 SEE 371 2015 10 330 7.5 8.00 11.74 K0III 191205.82-215541.7

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