15309+1621 BPM 631

 
 
15h 30m 55.42s +16 20' 53.7" P.A. 321.00 sep 111.8 mag 13.22,13.97
 
 
Coord 2000
15309+1621
Discov num
BPM 631
Comp
Coord arcsec 2000
15 30 55.42 +16 20 53.7
Date first
1995
Date last
2015
Obs
9
Pa first
321
Pa last
321
P.A. Now (θ)
321°
Sep first
111.8
Sep last
111.8
Sep. Now (ρ)
111.8"
Mag pri
13.22
Mag sec
13.97
delta mag (ΔM)
0.75
Spectral class
Pri motion ra
-017
Sec motion ra
-019
Pri motion dec
-013
Sec motion dec
-014
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.095 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
320.6
Precise sep
111.829
Constellation
Serpens
Gaia DR2
1207668391873055488
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15309+1621 BPM 631 1999 2 321 111.8 13.32 14.19 NV 153055.42+162053.7
15309+1621 BPM 631 2001 3 321 111.8 13.32 14.19 NV 153055.42+162053.7
15309+1621 BPM 631 2010 4 321 111.8 13.22 13.97 NV 153055.42+162053.7
15309+1621 BPM 631 2015 5 321 111.8 13.22 13.97 NV 153055.42+162053.7

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