21559+2753 HJ 1704

 
 
21h 55m 51.82s +27 54' 02.5" P.A. 317 sep 5.6 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
2015
Obs
9
Pa first
319
Pa last
317
P.A. Now (θ)
317°
Sep first
1.5
Sep last
5.6
Sep. Now (ρ)
5.6"
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
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.543
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
317.3
Precise sep
5.615
Constellation
Pegasus
Gaia DR2
1896096910064708352
 
 
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
21559+2753 HJ 1704 2015 9 317 5.6 12.20 12.30 V R 215551.82+275402.5

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