21042+1558 BPM2316

 
 
21h 04m 14.18s +15 57' 48.4" P.A. 216 sep 35.5 mag 11.23,14.37
 
 
Coord 2000
21042+1558
Discov num
BPM2316
Comp
Coord arcsec 2000
21 04 14.18 +15 57 48.4
Date first
1986
Date last
2010
Obs
4
Pa first
216
Pa last
216
P.A. Now (θ)
216°
Sep first
35.6
Sep last
35.5
Sep. Now (ρ)
35.5"
Mag pri
11.23
Mag sec
14.37
delta mag (ΔM)
3.14
Spectral class
Pri motion ra
+009
Sec motion ra
+005
Pri motion dec
-002
Sec motion dec
-001
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.447
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
215.8
Precise sep
35.46
Constellation
Delphinus
Tycho2
1649-02436-1
last precise pa
215.8
last precise sep
35.46
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21042+1558 BPM2316 1998 2 216 35.6 11.23 14.56 NV 210414.18+155748.4
21042+1558 BPM2316 2001 3 216 35.5 11.23 14.56 NV 210414.18+155748.4
21042+1558 BPM2316 2010 4 216 35.5 11.23 14.37 NV 210414.18+155748.4

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