20180-3147 UC 4141

 
 
20h 18m 01.22s -31 47' 06.5" P.A. 349 sep 51.4 mag 10.30,14.90 Sp G2
 
 
Coord 2000
20180-3147
Discov num
UC 4141
Comp
Coord arcsec 2000
20 18 01.22 -31 47 06.5
Date first
1999
Date last
2015
Obs
4
Pa first
349
Pa last
349
P.A. Now (θ)
349°
Sep first
51.5
Sep last
51.4
Sep. Now (ρ)
51.4"
Mag pri
10.30
Mag sec
14.90
delta mag (ΔM)
4.6
Spectral class
G2 (yellow)
Pri motion ra
-015
Sec motion ra
-021
Pri motion dec
-074
Sec motion dec
-076
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.08 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
349.3
Precise sep
51.427
Constellation
Sagittarius
SAO
211977
Tycho2
7442-00591-1
Gaia DR2
70799784576
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20180-3147 UC 4141 1999 2 350 51.4 10.30 14.90 V 201801.22-314706.5
20180-3147 UC 4141 2000 2 349 51.4 10.30 14.90 V 201801.22-314706.5
20180-3147 UC 4141 2010 3 349 51.5 10.30 14.90 G2 V R 201801.22-314706.5
20180-3147 UC 4141 2015 4 349 51.4 10.30 14.90 G2 V R 201801.22-314706.5

If you need more information about this double, apply for a data request form to the WDS.