21137+4453 LDS2498

 
 
21h 13m 08.57s +44 53' 00.0" P.A. 316 sep 13 mag 17.40,18.80
 
 
Coord 2000
21137+4453
Discov num
LDS2498
Comp
Coord arcsec 2000
21 13 08.57 +44 53 00.0
Date first
1954
Date last
1954
Obs
1
Pa first
316
Pa last
316
P.A. Now (θ)
316°
Sep first
13.0
Sep last
13.0
Sep. Now (ρ)
13"
Mag pri
17.40
Mag sec
18.80
delta mag (ΔM)
1.4
Spectral class
Pri motion ra
+051
Sec motion ra
Pri motion dec
+016
Sec motion dec
Notes
X (Dubious double)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
316
Precise sep
13
Constellation
Cygnus
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21137+4453 LDS2498 1954 1 316 13.0 17.40 18.80 X 211308.57+445300.0

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