20155-3048 PRO 229

 
 
20h 15m 32.01s -30 47' 37.4" P.A. 178 sep 7.1 mag 11.74,12.22
 
 
Coord 2000
20155-3048
Discov num
PRO 229
Comp
Coord arcsec 2000
20 15 32.01 -30 47 37.4
Date first
1910
Date last
2015
Obs
6
Pa first
187
Pa last
178
P.A. Now (θ)
178°
Sep first
4.2
Sep last
7.1
Sep. Now (ρ)
7.1"
Mag pri
11.74
Mag sec
12.22
delta mag (ΔM)
0.48
Spectral class
Pri motion ra
-001
Sec motion ra
+003
Pri motion dec
+005
Sec motion dec
-015
Notes
B (Blue magnitudes)
rPM=1.333
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
177.5
Precise sep
7.069
Constellation
Sagittarius
Tycho2
7442-01338-1
Gaia DR2
91485390208
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20155-3048 PRO 229 1910 1 7 4.2 12.22 11.74 B 201532.01-304742.5
20155-3048 PRO 229 2000 3 356 7.1 12.22 11.74 B 201532.01-304742.5
20155-3048 PRO 229 2010 6 177 7.1 11.74 12.22 B 201532.01-304737.4
20155-3048 PRO 229 2015 7 178 7.1 11.74 12.22 B 201532.01-304737.4

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