19531-2126 HJ 2902

 
 
19h 53m 07.60s -21 25' 49.9" P.A. 31 sep 16.2 mag 10.30,10.33 Sp F5V
 
 
Coord 2000
19531-2126
Discov num
HJ 2902
Comp
Coord arcsec 2000
19 53 07.60 -21 25 49.9
Date first
1831
Date last
2010
Obs
8
Pa first
34
Pa last
31
P.A. Now (θ)
31°
Sep first
15.0
Sep last
16.2
Sep. Now (ρ)
16.2"
Mag pri
10.30
Mag sec
10.33
delta mag (ΔM)
0.03
Spectral class
F5V (yellow-white)
Pri motion ra
+009
Sec motion ra
+012
Pri motion dec
-041
Sec motion dec
-037
Notes
rPM=0.119 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
31.1
Precise sep
16.18
Constellation
Sagittarius
Tycho2
6325-02156-1
HD
187909
last precise pa
31.1
last precise sep
16.18
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19531-2126 HJ 2902 1999 6 31 16.1 10.30 10.33 F5V D 195307.60-212549.9
19531-2126 HJ 2902 2010 8 31 16.1 10.30 10.33 F5V 195307.60-212549.9

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