03170+3939 LDS2840

 
 
03h 16m 57.14s +39 39' 18.3" P.A. 321 sep 32.2 mag 11.02,14.20 Sp F8
 
 
Coord 2000
03170+3939
Discov num
LDS2840
Comp
Coord arcsec 2000
03 16 57.14 +39 39 18.3
Date first
1957
Date last
2017
Obs
5
Pa first
319
Pa last
321
P.A. Now (θ)
321°
Sep first
32.0
Sep last
32.2
Sep. Now (ρ)
32.2"
Mag pri
11.02
Mag sec
14.20
delta mag (ΔM)
3.18
Spectral class
F8 (yellow-white)
Pri motion ra
+066
Sec motion ra
+062
Pri motion dec
-029
Sec motion dec
-030
Notes
V (Proper motion indicates physical)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Perseus
Tycho2
2852-00399-1
HD
275090
last precise pa
321.1
last precise sep
32.224
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
03170+3939 LDS2840 1998 2 321 32.2 11.02 14.20 D 031657.14+393918.3
03170+3939 LDS2840 2002 3 321 32.2 11.02 14.20 D 031657.14+393918.3
03170+3939 LDS2840 2010 4 322 31.6 11.02 14.20 031657.14+393918.3

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