20039+1856 DAM 189

 
 
20h 03m 52.70s +18 55' 49.2" P.A. 343.00 sep 7.9 mag 11.50,12.80
 
 
Coord 2000
20039+1856
Discov num
DAM 189
Comp
Coord arcsec 2000
20 03 52.70 +18 55 49.2
Date first
2000
Date last
2015
Obs
6
Pa first
343
Pa last
343
P.A. Now (θ)
343°
Sep first
8.0
Sep last
7.9
Sep. Now (ρ)
7.9"
Mag pri
11.50
Mag sec
12.80
delta mag (ΔM)
1.3
Spectral class
Pri motion ra
+002
Sec motion ra
-001
Pri motion dec
-003
Sec motion dec
-006
Notes
rPM=0.697
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
343.2
Precise sep
7.884
Constellation
Sagitta
Gaia DR2
49954986496
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20039+1856 DAM 189 2000 2 343 8.0 11.50 12.80 D 200352.70+185549.2
20039+1856 DAM 189 2001 3 344 7.9 11.50 12.80 D 200352.70+185549.2
20039+1856 DAM 189 2015 6 343 7.9 11.50 12.80 200352.70+185549.2

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