20260+1257 BPM2155

 
 
20h 25m 58.15s +12 57' 14.4" P.A. 31.00 sep 119.0 mag 15.42,15.34
 
 
Coord 2000
20260+1257
Discov num
BPM2155
Comp
Coord arcsec 2000
20 25 58.15 +12 57 14.4
Date first
1993
Date last
2015
Obs
9
Pa first
31
Pa last
31
P.A. Now (θ)
31°
Sep first
118.5
Sep last
119.0
Sep. Now (ρ)
119"
Mag pri
15.42
Mag sec
15.34
delta mag (ΔM)
0.08
Spectral class
Pri motion ra
-026
Sec motion ra
-012
Pri motion dec
-022
Sec motion dec
-023
Notes
N V (See Notes, Proper motion indicates physical)
Visually invisible, K-band or other infrared star rPM=0.412
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
31.4
Precise sep
119.039
Constellation
Delphinus
Gaia DR2
22802131968
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20260+1257 BPM2155 1997 2 31 118.5 15.85 16.00 NV 202558.15+125714.4
20260+1257 BPM2155 2001 3 32 118.7 15.85 16.00 NV 202558.15+125714.4
20260+1257 BPM2155 2010 4 32 119.7 15.42 15.34 NV 202558.15+125714.4
20260+1257 BPM2155 2015 5 31 119.1 15.42 15.34 NV 202558.15+125714.4

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