18577+4324 HJ 1358

 
 
18h 57m 40.55s +43 24' 08.2" P.A. 265 sep 14.6 mag 9.20,10.28 Sp A2
 
 
Coord 2000
18577+4324
Discov num
HJ 1358
Comp
Coord arcsec 2000
18 57 40.55 +43 24 08.2
Date first
1828
Date last
2017
Obs
15
Pa first
266
Pa last
265
P.A. Now (θ)
265°
Sep first
12.0
Sep last
14.6
Sep. Now (ρ)
14.6"
Mag pri
9.20
Mag sec
10.28
delta mag (ΔM)
1.08
Spectral class
A2 (white)
Pri motion ra
-001
Sec motion ra
-003
Pri motion dec
+012
Sec motion dec
+013
Notes
rPM=0.168 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
264.9
Precise sep
14.624
Constellation
Lyra
Tycho2
3131-01948-1
HD
176317
last precise pa
264.9
last precise sep
14.624
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18577+4324 HJ 1358 2004 11 264 14.8 9.20 10.28 A2 D 185740.55+432408.2
18577+4324 HJ 1358 2010 14 264 14.5 9.20 10.28 A2 185740.55+432408.2
18577+4324 HJ 1358 2017 15 265 14.6 9.20 10.28 A2 185740.55+432408.2

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