21540-2642 B   544

 
 
21h 53m 57.40s -26 41' 50.7" P.A. 106 sep 1.7 mag 9.74,12.38 Sp G3V dist. 85.32 pc (278.31 l.y.)
 
 
Coord 2000
21540-2642
Discov num
B   544
Comp
Coord arcsec 2000
21 53 57.40 -26 41 50.7
Date first
1929
Date last
2015
Obs
9
Pa first
108
Pa last
106
P.A. Now (θ)
106°
Sep first
1.8
Sep last
1.7
Sep. Now (ρ)
1.7"
Mag pri
9.74
Mag sec
12.38
delta mag (ΔM)
2.64
Spectral class
G3V (yellow)
Pri motion ra
+153
Sec motion ra
+158
Pri motion dec
-073
Sec motion dec
-078
Notes
rPM=0.04 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
105.6
Precise sep
1.726
Constellation
Piscis Austrinus
SAO
190720
HIP
108088
Tycho2
6956-01084-1
Gaia DR2
04214642816
HD
208014
CD
CD-2715671
Distance
85.32
Distance ly
278.31
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21540-2642 B 544 1991 8 106 1.8 9.74 12.38 G3V 215357.40-264150.7
21540-2642 B 544 2015 9 106 1.7 9.74 12.38 G3V 215357.40-264150.7

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