18548+3306 DAL  10

 
 
18h 54m 46.08s +33 06' 24.8" P.A. 51 sep 30.5 mag 10.43,12.55 Sp K2
 
 
Coord 2000
18548+3306
Discov num
DAL  10
Comp
Coord arcsec 2000
18 54 46.08 +33 06 24.8
Date first
1983
Date last
2010
Obs
5
Pa first
52
Pa last
51
P.A. Now (θ)
51°
Sep first
30.5
Sep last
30.5
Sep. Now (ρ)
30.5"
Mag pri
10.43
Mag sec
12.55
delta mag (ΔM)
2.12
Spectral class
K2 (yellow-orange)
Pri motion ra
-003
Sec motion ra
-002
Pri motion dec
-019
Sec motion dec
-011
Notes
U (Proper motion indicates non-physical)
rPM=0.419
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
50.7
Precise sep
30.54
Cdsa2 id
DAL 10
Constellation
Lyra
Ra deg
18.912799999999997
De deg
33.10688888888889
last precise pa
50.7
last precise sep
30.54
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18548+3306 DAL 10 2002 2 51 30.9 10.43 12.55 D 185446.08+330624.8
18548+3306 DAL 10 2010 5 51 30.5 10.43 12.55 K2 U 185446.08+330624.8

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