20056-1742 RST3247

 
 
20h 05m 36.91s -17 42' 01.2" P.A. 162 sep 3.8 mag 8.80,13.00 Sp A3V dist. 719.42 pc (2346.75 l.y.)
 
 
Coord 2000
20056-1742
Discov num
RST3247
Comp
Coord arcsec 2000
20 05 36.91 -17 42 01.2
Date first
1934
Date last
2015
Obs
4
Pa first
165
Pa last
162
P.A. Now (θ)
162°
Sep first
3.6
Sep last
3.8
Sep. Now (ρ)
3.8"
Mag pri
8.80
Mag sec
13.00
delta mag (ΔM)
4.2
Spectral class
A3V (white)
Pri motion ra
+012
Sec motion ra
Pri motion dec
-014
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
161.6
Precise sep
3.812
Constellation
Sagittarius
SAO
163254
HIP
98970
Tycho2
6318-01650-1
Gaia DR2
03012478080
HD
190455
BD
BD-18 5590
Distance
719.42
Distance ly
2346.75
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20056-1742 RST3247 1987 3 163 3.8 8.40 13.00 A3V 200536.91-174201.2
20056-1742 RST3247 2015 4 162 3.8 8.80 13.00 A3V 200536.91-174201.2

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