22181+1658 J   205

 
 
22h 18m 05.75s +16 58' 21.4" P.A. 294 sep 2.8 mag 9.40,12.00 Sp F0
 
 
Coord 2000
22181+1658
Discov num
J   205
Comp
Coord arcsec 2000
22 18 05.75 +16 58 21.4
Date first
1910
Date last
2015
Obs
9
Pa first
204
Pa last
294
P.A. Now (θ)
294°
Sep first
2.1
Sep last
2.8
Sep. Now (ρ)
2.8"
Mag pri
9.40
Mag sec
12.00
delta mag (ΔM)
2.6
Spectral class
F0 (yellow-white)
Pri motion ra
+018
Sec motion ra
Pri motion dec
+008
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
293.5
Precise sep
2.79
Cdsa2 id
J 205
Constellation
Pegasus
Ra deg
22.301597222222224
De deg
16.97261111111111
last precise pa
293.5
last precise sep
2.79
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
22181+1658 J 205 2002 6 296 3.2 9.40 12.00 221805.75+165821.4
22181+1658 J 205 2013 8 292 3.1 9.40 12.00 221805.75+165821.4
22181+1658 J 205 2015 9 294 2.8 9.40 12.00 F0 221805.75+165821.4

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