21206+5241 MLR 644

 
 
21h 20m 34.78s +52 40' 37.2" P.A. 208 sep 1.6 mag 9.76,11.48 Sp F2
 
 
Coord 2000
21206+5241
Discov num
MLR 644
Comp
Coord arcsec 2000
21 20 34.78 +52 40 37.2
Date first
1982
Date last
1991
Obs
3
Pa first
211
Pa last
208
P.A. Now (θ)
208°
Sep first
1.3
Sep last
1.6
Sep. Now (ρ)
1.6"
Mag pri
9.76
Mag sec
11.48
delta mag (ΔM)
1.72
Spectral class
F2 (yellow-white)
Pri motion ra
-018
Sec motion ra
-018
Pri motion dec
-003
Sec motion dec
-003
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
208.4
Precise sep
1.57
Cdsa2 id
MLR 644
Constellation
Cygnus
Tycho2
3966-01117-1
Ra deg
21.342994444444443
De deg
52.677
last precise pa
208.4
last precise sep
1.57
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21206+5241 MLR 644 1991 3 208 1.6 9.76 11.48 F2 212034.78+524037.2

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