20015+0040 HDO 315

 
 
20h 01m 32.86s +00 39' 46.3" P.A. 200 sep 7.7 mag 9.04,12.50 Sp K2
 
 
Coord 2000
20015+0040
Discov num
HDO 315
Comp
Coord arcsec 2000
20 01 32.86 +00 39 46.3
Date first
1900
Date last
2014
Obs
6
Pa first
199
Pa last
200
P.A. Now (θ)
200°
Sep first
9.4
Sep last
7.7
Sep. Now (ρ)
7.7"
Mag pri
9.04
Mag sec
12.50
delta mag (ΔM)
3.46
Spectral class
K2 (yellow-orange)
Pri motion ra
+006
Sec motion ra
Pri motion dec
-007
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
199.6
Precise sep
7.7
Constellation
Aquila
last precise pa
199.6
last precise sep
7.7
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20015+0040 HDO 315 1945 4 202 8.9 9.04 12.50 K2 D 200132.86+003946.3
20015+0040 HDO 315 2000 5 203 8.6 9.04 12.50 K2 200132.86+003946.3
20015+0040 HDO 315 2014 6 200 7.7 9.04 12.50 K2 200132.86+003946.3

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