15157+4451 HJ 2772

 
 
15h 15m 40.36s +44 51' 04.8" P.A. 316 sep 9 mag 9.41,12.10 Sp K0
 
 
Coord 2000
15157+4451
Discov num
HJ 2772
Comp
Coord arcsec 2000
15 15 40.36 +44 51 04.8
Date first
1830
Date last
2002
Obs
5
Pa first
309
Pa last
316
P.A. Now (θ)
316°
Sep first
10.0
Sep last
9.0
Sep. Now (ρ)
9"
Mag pri
9.41
Mag sec
12.10
delta mag (ΔM)
2.69
Spectral class
K0 (yellow-orange)
Pri motion ra
+012
Sec motion ra
-003
Pri motion dec
-015
Sec motion dec
-002
Notes
rPM=1.033
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
315.5
Precise sep
9.004
Constellation
Bootes
SAO
45452
Tycho2
3051-00402-1
last precise pa
315.5
last precise sep
9.004
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15157+4451 HJ 2772 1999 4 315 9.0 9.41 12.10 D 151540.36+445104.8
15157+4451 HJ 2772 2002 5 316 9.0 9.41 12.10 D 151540.36+445104.8

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