15354+1743 LDS 977

 
 
15h 35m 20.41s +17 42' 46.7" P.A. 351.00 sep 17.6 mag 12.00,14.70 Sp M4
 
 
Coord 2000
15354+1743
Discov num
LDS 977
Comp
Coord arcsec 2000
15 35 20.41 +17 42 46.7
Date first
1938
Date last
2016
Obs
13
Pa first
350
Pa last
351
P.A. Now (θ)
351°
Sep first
18.2
Sep last
17.6
Sep. Now (ρ)
17.6"
Mag pri
12.00
Mag sec
14.70
delta mag (ΔM)
2.7
Spectral class
M4 (red)
Pri motion ra
-121
Sec motion ra
-121
Pri motion dec
-017
Sec motion dec
-018
Notes
N V P (See Notes, Proper motion indicates physical, 100-year proper motion)
rPM=0.008 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
351.1
Precise sep
17.567
Constellation
Serpens
SAO
101628
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15354+1743 LDS 977 2000 10 351 17.8 13.07 15.57 M4 N DP 153520.53+174246.9
15354+1743 LDS 977 2001 10 351 17.8 12.10 14.70 M4 NP R 153520.41+174246.7
15354+1743 LDS 977 2010 12 351 17.6 12.10 14.70 M4 NVPR 153520.41+174246.7
15354+1743 LDS 977 2016 12 351 17.6 12.10 14.70 M4 NVPR 153520.41+174246.7

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