19042-2234 I   641

 
 
19h 04m 11.96s -22 33' 35.2" P.A. 145 sep 4.3 mag 8.62,10.60 Sp B8IV/V
 
 
Coord 2000
19042-2234
Discov num
I   641
Comp
Coord arcsec 2000
19 04 11.96 -22 33 35.2
Date first
1909
Date last
2000
Obs
11
Pa first
140
Pa last
145
P.A. Now (θ)
145°
Sep first
3.8
Sep last
4.3
Sep. Now (ρ)
4.3"
Mag pri
8.62
Mag sec
10.60
delta mag (ΔM)
1.98
Spectral class
B8IV/V (blue-white)
Pri motion ra
-010
Sec motion ra
+068
Pri motion dec
+015
Sec motion dec
-097
Notes
rPM=1.152
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
145.1
Precise sep
4.27
Constellation
Sagittarius
Tycho2
6873-00257-1
HD
177118
last precise pa
145.1
last precise sep
4.27
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19042-2234 I 641 1987 8 189 5.5 8.62 10.60 B8IV/V 190411.96-223335.2
19042-2234 I 641 2000 9 145 4.3 8.62 10.60 B8IV/V 190411.96-223335.2
19042-2234 I 641 2010 12 148 4.0 8.62 10.60 B8IV/V 190411.96-223335.2

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