18571+4551 HJ 1357

 
 
18h 57m 03.04s +45 51' 21.3" P.A. 210 sep 29.7 mag 7.41,11.27 Sp A0
 
 
Coord 2000
18571+4551
Discov num
HJ 1357
Comp
Coord arcsec 2000
18 57 03.04 +45 51 21.3
Date first
1894
Date last
2010
Obs
14
Pa first
212
Pa last
210
P.A. Now (θ)
210°
Sep first
27.2
Sep last
29.7
Sep. Now (ρ)
29.7"
Mag pri
7.41
Mag sec
11.27
delta mag (ΔM)
3.86
Spectral class
A0 (white)
Pri motion ra
+000
Sec motion ra
-006
Pri motion dec
+019
Sec motion dec
-003
Notes
rPM=1.2
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
209.8
Precise sep
29.65
Cdsa2 id
HJ 1357
Constellation
Lyra
Ra deg
18.950844444444442
De deg
45.855916666666666
last precise pa
209.8
last precise sep
29.65
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18571+4551 HJ 1357 1999 11 211 29.9 7.41 11.27 A0 D 185703.04+455121.3
18571+4551 HJ 1357 2007 13 210 29.5 7.41 11.27 A0 D 185703.04+455121.3
18571+4551 HJ 1357 2010 14 210 29.6 7.41 11.27 A0 185703.04+455121.3

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