21559+2753 HJ 1704

 
 
21h 55m 51.82s +27 54' 02.5" P.A. 317 sep 5.2 mag 12.20,12.30
 
 
Coord 2000
21559+2753
Discov num
HJ 1704
Comp
Coord arcsec 2000
21 55 51.82 +27 54 02.5
Date first
1828
Date last
2014
Obs
8
Pa first
319
Pa last
317
P.A. Now (θ)
317°
Sep first
1.5
Sep last
5.2
Sep. Now (ρ)
5.2"
Mag pri
12.20
Mag sec
12.30
delta mag (ΔM)
0.1
Spectral class
Pri motion ra
+063
Sec motion ra
+032
Pri motion dec
+007
Sec motion dec
+022
Notes
R (Red magnitudes)
rPM=0.543
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
316.5
Precise sep
5.2
Constellation
Pegasus
last precise pa
316.5
last precise sep
5.2
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21559+2753 HJ 1704 1997 4 317 5.6 12.93 13.01 DB 215551.45+275400.7
21559+2753 HJ 1704 2001 6 317 5.6 12.20 12.30 R 215551.82+275402.5
21559+2753 HJ 1704 2014 7 317 5.2 12.20 12.30 R 215551.82+275402.5

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