15287+4215 HJ 1274

 
 
15h 28m 40.50s +42 14' 39.8" P.A. 310 sep 6.9 mag 10.61,10.80 Sp F8
 
 
Coord 2000
15287+4215
Discov num
HJ 1274
Comp
Coord arcsec 2000
15 28 40.50 +42 14 39.8
Date first
1828
Date last
2012
Obs
12
Pa first
310
Pa last
310
P.A. Now (θ)
310°
Sep first
3.0
Sep last
6.9
Sep. Now (ρ)
6.9"
Mag pri
10.61
Mag sec
10.80
delta mag (ΔM)
0.19
Spectral class
F8 (yellow-white)
Pri motion ra
+004
Sec motion ra
-009
Pri motion dec
-006
Sec motion dec
-006
Notes
rPM=1.202
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
310
Precise sep
6.9
Constellation
Bootes
SAO
45560
Tycho2
3055-00539-1
last precise pa
310
last precise sep
6.9
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15287+4215 HJ 1274 1998 7 310 6.9 10.61 10.80 F8 D 152840.50+421439.8
15287+4215 HJ 1274 2008 8 310 7.0 10.61 10.80 F8 D 152840.50+421439.8
15287+4215 HJ 1274 2012 11 310 6.9 10.61 10.80 F8 D 152840.50+421439.8

If you need more information about this double, apply for a data request form to the WDS.