19369-4451 UC 3987

 
 
19h 36m 55.48s -44 50' 56.3" P.A. 49 sep 10.5 mag 10.10,11.90 Sp G2V
 
 
Coord 2000
19369-4451
Discov num
UC 3987
Comp
Coord arcsec 2000
19 36 55.48 -44 50 56.3
Date first
1998
Date last
2015
Obs
3
Pa first
49
Pa last
49
P.A. Now (θ)
49°
Sep first
10.5
Sep last
10.5
Sep. Now (ρ)
10.5"
Mag pri
10.10
Mag sec
11.90
delta mag (ΔM)
1.8
Spectral class
G2V (yellow)
Pri motion ra
+062
Sec motion ra
+060
Pri motion dec
-029
Sec motion dec
-030
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.033 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
49
Precise sep
10.482
Cdsa2 id
UC 3987
Constellation
Sagittarius
Ra deg
19.61541111111111
De deg
-44.84897222222222
last precise pa
49
last precise sep
10.482
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19369-4451 UC 3987 1999 2 50 10.4 10.10 11.90 V 193655.48-445056.3
19369-4451 UC 3987 2000 2 49 10.5 10.10 11.90 V 193655.48-445056.3
19369-4451 UC 3987 2015 3 49 10.5 10.10 11.90 G2V V R 193655.48-445056.3

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