20211+0837 HJ 2953

 
 
20h 21m 05.81s +08 36' 43.7" P.A. 261 sep 26.3 mag 9.30,11.30 Sp A5
 
 
Coord 2000
20211+0837
Discov num
HJ 2953
Comp
Coord arcsec 2000
20 21 05.81 +08 36 43.7
Date first
1830
Date last
2016
Obs
11
Pa first
260
Pa last
261
P.A. Now (θ)
261°
Sep first
18.0
Sep last
26.3
Sep. Now (ρ)
26.3"
Mag pri
9.30
Mag sec
11.30
delta mag (ΔM)
2
Spectral class
A5 (white)
Pri motion ra
+003
Sec motion ra
Pri motion dec
-016
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
260.8
Precise sep
26.321
Constellation
Aquila
Tycho2
1074-00408-1
Gaia DR2
59796777216
HD
193649
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20211+0837 HJ 2953 2000 4 261 25.6 9.30 11.30 A5 D 202105.81+083643.7
20211+0837 HJ 2953 2010 6 261 25.6 9.30 11.30 A5 202105.81+083643.7
20211+0837 HJ 2953 2016 7 261 26.3 9.30 11.30 A5 202105.81+083643.7

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