20190+1540 BPM2103

 
 
20h 18m 57.84s +15 39' 45.0" P.A. 173 sep 15 mag 15.67,15.86
 
 
Coord 2000
20190+1540
Discov num
BPM2103
Comp
Coord arcsec 2000
20 18 57.84 +15 39 45.0
Date first
1993
Date last
2015
Obs
9
Pa first
174
Pa last
173
P.A. Now (θ)
173°
Sep first
15.0
Sep last
15.0
Sep. Now (ρ)
15"
Mag pri
15.67
Mag sec
15.86
delta mag (ΔM)
0.19
Spectral class
Pri motion ra
-017
Sec motion ra
+002
Pri motion dec
-008
Sec motion dec
-010
Notes
N V (See Notes, Proper motion indicates physical)
rPM=1.017
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
172.9
Precise sep
14.988
Constellation
Delphinus
Gaia DR2
05201651328
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20190+1540 BPM2103 1998 2 173 14.9 15.67 15.86 NV 201857.84+153945.0
20190+1540 BPM2103 2001 3 173 15.0 15.67 15.86 NV 201857.84+153945.0
20190+1540 BPM2103 2010 4 175 15.5 15.67 15.86 NV 201857.84+153945.0
20190+1540 BPM2103 2015 5 172 15.0 15.67 15.86 NV 201857.84+153945.0

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