15550+2953 HJ 2797

 
 
15h 54m 59.22s +29 52' 47.8" P.A. 77 sep 34.3 mag 10.82,11.86 Sp G0
 
 
Coord 2000
15550+2953
Discov num
HJ 2797
Comp
Coord arcsec 2000
15 54 59.22 +29 52 47.8
Date first
1830
Date last
2010
Obs
11
Pa first
93
Pa last
77
P.A. Now (θ)
77°
Sep first
18.0
Sep last
34.3
Sep. Now (ρ)
34.3"
Mag pri
10.82
Mag sec
11.86
delta mag (ΔM)
1.04
Spectral class
G0 (yellow)
Pri motion ra
-010
Sec motion ra
+006
Pri motion dec
-062
Sec motion dec
-002
Notes
L (Linear solution)
rPM=0.989
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
76.7
Precise sep
34.33
Constellation
Corona Borealis
Tycho2
2040-00155-1
last precise pa
76.7
last precise sep
34.33
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15550+2953 HJ 2797 2007 8 77 34.8 10.82 11.99 G0 LD 155459.22+295247.8
15550+2953 HJ 2797 2008 9 77 34.8 10.82 11.99 G0 LD 155459.22+295247.8
15550+2953 HJ 2797 2010 11 77 34.4 10.82 11.86 G0 L 155459.22+295247.8

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