20048-4215 B   984

 
 
20h 04m 45.48s -42 15' 23.1" P.A. 32.00 sep 2.4 mag 10.44,13.90
 
 
Coord 2000
20048-4215
Discov num
B   984
Comp
Coord arcsec 2000
20 04 45.48 -42 15 23.1
Date first
1927
Date last
2015
Obs
3
Pa first
33
Pa last
32
P.A. Now (θ)
32°
Sep first
2.4
Sep last
2.4
Sep. Now (ρ)
2.4"
Mag pri
10.44
Mag sec
13.90
delta mag (ΔM)
3.46
Spectral class
Pri motion ra
-001
Sec motion ra
Pri motion dec
-007
Sec motion dec
Notes
S (Parallax indidates non-physical)
Visually invisible, K-band or other infrared star This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
31.5
Precise sep
2.397
Constellation
Sagittarius
Tycho2
7955-01882-1
Gaia DR2
23100492032
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20048-4215 B 984 1936 2 33 2.2 10.44 13.90 200445.48-421523.1
20048-4215 B 984 2015 3 32 2.4 10.44 13.90 S 200445.48-421523.1

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