15541+4427 LDS1428

 
 
15h 54m 04.08s +44 25' 43.3" P.A. 189 sep 14 mag 16.80,17.00 Sp M2.2+M2.3
 
 
Coord 2000
15541+4427
Discov num
LDS1428
Comp
Coord arcsec 2000
15 54 04.08 +44 25 43.3
Date first
1963
Date last
2010
Obs
5
Pa first
189
Pa last
189
P.A. Now (θ)
189°
Sep first
14.0
Sep last
14.0
Sep. Now (ρ)
14"
Mag pri
16.80
Mag sec
17.00
delta mag (ΔM)
0.2
Spectral class
M2.2+M2.3 (red/red)
Pri motion ra
-092
Sec motion ra
-089
Pri motion dec
+109
Sec motion dec
+107
Notes
V (Proper motion indicates physical)
rPM=0.025 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
188.8
Precise sep
14.01
Constellation
Hercules
last precise pa
188.8
last precise sep
14.01
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15541+4427 LDS1428 1999 2 189 14.0 16.80 17.00 D 155404.08+442543.3
15541+4427 LDS1428 2002 3 189 14.0 16.80 17.00 M2.2+M2.3 NVD 155404.08+442543.3
15541+4427 LDS1428 2010 5 189 13.9 16.80 17.00 M2.2+M2.3 V 155404.08+442543.3

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