15499+2547 HLM   6

 
 
15h 49m 56.53s +25 47' 09.8" P.A. 179 sep 23.8 mag 10.72,11.35
 
 
Coord 2000
15499+2547
Discov num
HLM   6
Comp
Coord arcsec 2000
15 49 56.53 +25 47 09.8
Date first
1899
Date last
2010
Obs
14
Pa first
189
Pa last
179
P.A. Now (θ)
179°
Sep first
18.9
Sep last
23.8
Sep. Now (ρ)
23.8"
Mag pri
10.72
Mag sec
11.35
delta mag (ΔM)
0.63
Spectral class
Pri motion ra
+002
Sec motion ra
+021
Pri motion dec
+004
Sec motion dec
-040
Notes
L (Linear solution)
rPM=1.061
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
179.4
Precise sep
23.75
Constellation
Corona Borealis
Tycho2
2037-00970-1
last precise pa
179.4
last precise sep
23.75
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15499+2547 HLM 6 2007 10 180 23.9 10.72 11.69 LD 154956.53+254709.8
15499+2547 HLM 6 2008 11 180 24.0 10.72 11.69 LD 154956.53+254709.8
15499+2547 HLM 6 2009 12 181 23.3 10.72 11.69 LD 154956.53+254709.8
15499+2547 HLM 6 2010 14 179 23.7 10.72 11.35 L 154956.53+254709.8

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