20185+1519 BPM2100

 
 
20h 18m 28.74s +15 18' 49.7" P.A. 115.00 sep 114.5 mag 15.08,15.71
 
 
Coord 2000
20185+1519
Discov num
BPM2100
Comp
Coord arcsec 2000
20 18 28.74 +15 18 49.7
Date first
1997
Date last
2015
Obs
9
Pa first
114
Pa last
115
P.A. Now (θ)
115°
Sep first
114.8
Sep last
114.5
Sep. Now (ρ)
114.5"
Mag pri
15.08
Mag sec
15.71
delta mag (ΔM)
0.63
Spectral class
Pri motion ra
+021
Sec motion ra
+000
Pri motion dec
+006
Sec motion dec
+005
Notes
N V (See Notes, Proper motion indicates physical)
Visually invisible, K-band or other infrared star rPM=0.963
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
114.5
Precise sep
114.477
Constellation
Delphinus
Gaia DR2
69309527680
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20185+1519 BPM2100 1998 2 115 114.5 15.08 15.71 NV 201828.74+151849.7
20185+1519 BPM2100 2001 3 115 114.5 15.08 15.71 NV 201828.74+151849.7
20185+1519 BPM2100 2010 4 115 114.6 15.08 15.71 NV 201828.74+151849.7
20185+1519 BPM2100 2015 5 115 114.4 15.08 15.71 NV 201828.74+151849.7

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