20361+4745 HJ 1549

 
 
20h 36m 03.82s +47 45' 09.5" P.A. 55 sep 5.5 mag 9.60,10.50
 
 
Coord 2000
20361+4745
Discov num
HJ 1549
Comp
Coord arcsec 2000
20 36 03.82 +47 45 09.5
Date first
1828
Date last
2018
Obs
10
Pa first
52
Pa last
55
P.A. Now (θ)
55°
Sep first
4.0
Sep last
5.5
Sep. Now (ρ)
5.5"
Mag pri
9.60
Mag sec
10.50
delta mag (ΔM)
0.9
Spectral class
Pri motion ra
-025
Sec motion ra
-009
Pri motion dec
-021
Sec motion dec
-015
Notes
rPM=0.523
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
55.4
Precise sep
5.517
Constellation
Cygnus
Gaia DR2
65196287488
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20361+4745 HJ 1549 2006 4 58 5.5 9.60 10.50 D 203603.82+474509.5
20361+4745 HJ 1549 2010 7 51 4.5 9.60 10.50 203603.82+474509.5
20361+4745 HJ 1549 2015 7 55 5.5 9.60 10.50 203603.82+474509.5
20361+4745 HJ 1549 2018 8 55 5.5 9.60 10.50 203603.82+474509.5

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