16157+6155 LDS2728

 
 
16h 15m 37.90s +61 55' 35.0" P.A. 336 sep 47.1 mag 13.90,18.60 Sp M3/4+WD:
 
 
Coord 2000
16157+6155
Discov num
LDS2728
Comp
Coord arcsec 2000
16 15 37.90 +61 55 35.0
Date first
1954
Date last
2015
Obs
8
Pa first
336
Pa last
336
P.A. Now (θ)
336°
Sep first
47.1
Sep last
47.1
Sep. Now (ρ)
47.1"
Mag pri
13.90
Mag sec
18.60
delta mag (ΔM)
4.7
Spectral class
M3/4+WD: (red/Wolf-Rayet)
Pri motion ra
-155
Sec motion ra
-155
Pri motion dec
+120
Sec motion dec
+120
Notes
V (Proper motion indicates physical)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
336
Precise sep
47.116
Constellation
Draco
Gaia DR2
11250711296
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16157+6155 LDS2728 1999 2 342 40.0 15.60 18.00 D 161543.31+615405.0
16157+6155 LDS2728 2000 6 336 47.1 13.90 18.60 M3/4+WD: VD 161537.90+615535.0
16157+6155 LDS2728 2010 7 336 46.4 13.90 18.60 M3/4+WD: V 161537.90+615535.0
16157+6155 LDS2728 2015 8 336 47.1 13.90 18.60 M3/4+WD: V 161537.90+615535.0

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