20442+1209 BPM2240

 
 
20h 44m 12.07s +12 09' 28.4" P.A. 148 sep 55 mag 14.01,15.80
 
 
Coord 2000
20442+1209
Discov num
BPM2240
Comp
Coord arcsec 2000
20 44 12.07 +12 09 28.4
Date first
1994
Date last
2010
Obs
4
Pa first
148
Pa last
148
P.A. Now (θ)
148°
Sep first
55.2
Sep last
55.0
Sep. Now (ρ)
55"
Mag pri
14.01
Mag sec
15.80
delta mag (ΔM)
1.79
Spectral class
Pri motion ra
-008
Sec motion ra
-004
Pri motion dec
-018
Sec motion dec
-002
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.837
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
147.6
Precise sep
54.98
Constellation
Delphinus
last precise pa
147.6
last precise sep
54.98
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20442+1209 BPM2240 1998 2 148 55.0 14.10 15.84 NV 204412.07+120928.4
20442+1209 BPM2240 2001 3 148 55.0 14.10 15.84 NV 204412.07+120928.4
20442+1209 BPM2240 2010 4 148 55.0 14.01 15.80 NV 204412.07+120928.4

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