21044+1625 BPM2317

 
 
21h 04m 25.46s +16 25' 17.1" P.A. 186 sep 91.4 mag 11.33,12.10
 
 
Coord 2000
21044+1625
Discov num
BPM2317
Comp
Coord arcsec 2000
21 04 25.46 +16 25 17.1
Date first
1978
Date last
2015
Obs
6
Pa first
187
Pa last
186
P.A. Now (θ)
186°
Sep first
91.3
Sep last
91.4
Sep. Now (ρ)
91.4"
Mag pri
11.33
Mag sec
12.10
delta mag (ΔM)
0.77
Spectral class
Pri motion ra
+018
Sec motion ra
+018
Pri motion dec
-005
Sec motion dec
-004
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.054 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
186.3
Precise sep
91.442
Constellation
Delphinus
Tycho2
1649-02572-1
Gaia DR2
1763819927461508992
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21044+1625 BPM2317 1998 2 186 91.5 11.33 12.32 NV 210425.46+162517.1
21044+1625 BPM2317 2001 3 186 91.5 11.33 12.32 NV 210425.46+162517.1
21044+1625 BPM2317 2010 5 186 91.5 11.33 12.10 NV 210425.46+162517.1
21044+1625 BPM2317 2015 6 186 91.4 11.33 12.10 NV 210425.46+162517.1

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