20028-1729 KPP 452

 
 
20h 02m 49.16s -17 29' 22.3" P.A. 288.00 sep 3.5 mag 14.90,15.30
 
 
Coord 2000
20028-1729
Discov num
KPP 452
Comp
Coord arcsec 2000
20 02 49.16 -17 29 22.3
Date first
1998
Date last
2015
Obs
4
Pa first
288
Pa last
288
P.A. Now (θ)
288°
Sep first
3.5
Sep last
3.5
Sep. Now (ρ)
3.5"
Mag pri
14.90
Mag sec
15.30
delta mag (ΔM)
0.4
Spectral class
Pri motion ra
-004
Sec motion ra
-006
Pri motion dec
-033
Sec motion dec
-032
Notes
V (Proper motion indicates physical)
Visually invisible, K-band or other infrared star rPM=0.067 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
287.8
Precise sep
3.538
Constellation
Sagittarius
Gaia DR2
41006382464
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20028-1729 KPP 452 2015 3 288 3.5 14.90 15.30 V 200249.16-172922.3

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