20291+1622 BPM2172

 
 
20h 29m 03.48s +16 21' 41.2" P.A. 155.00 sep 50.8 mag 12.40,12.75
 
 
Coord 2000
20291+1622
Discov num
BPM2172
Comp
Coord arcsec 2000
20 29 03.48 +16 21 41.2
Date first
1973
Date last
2015
Obs
9
Pa first
156
Pa last
155
P.A. Now (θ)
155°
Sep first
50.8
Sep last
50.8
Sep. Now (ρ)
50.8"
Mag pri
12.40
Mag sec
12.75
delta mag (ΔM)
0.35
Spectral class
Pri motion ra
+001
Sec motion ra
+001
Pri motion dec
-010
Sec motion dec
+000
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.995
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
155.3
Precise sep
50.814
Constellation
Delphinus
Gaia DR2
32466918528
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20291+1622 BPM2172 1998 2 156 50.8 12.52 13.09 NV 202903.48+162141.2
20291+1622 BPM2172 2001 3 156 50.8 12.52 13.09 NV 202903.48+162141.2
20291+1622 BPM2172 2010 4 155 50.8 12.40 12.75 NV 202903.48+162141.2
20291+1622 BPM2172 2015 5 155 50.8 12.40 12.75 NV 202903.48+162141.2

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