20028+1747 BPM1953

 
 
20h 02m 47.21s +17 46' 57.4" P.A. 322.00 sep 42.0 mag 15.54,15.94
 
 
Coord 2000
20028+1747
Discov num
BPM1953
Comp
Coord arcsec 2000
20 02 47.21 +17 46 57.4
Date first
1997
Date last
2015
Obs
9
Pa first
322
Pa last
322
P.A. Now (θ)
322°
Sep first
42.2
Sep last
42.0
Sep. Now (ρ)
42"
Mag pri
15.54
Mag sec
15.94
delta mag (ΔM)
0.4
Spectral class
Pri motion ra
-011
Sec motion ra
-008
Pri motion dec
-058
Sec motion dec
-014
Notes
N U (See Notes, Proper motion indicates non-physical)
Visually invisible, K-band or other infrared star rPM=0.747
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
322.2
Precise sep
41.999
Constellation
Sagitta
Gaia DR2
99421034240
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20028+1747 BPM1953 2000 2 322 42.0 15.54 15.94 NV 200247.21+174657.4
20028+1747 BPM1953 2001 3 322 42.1 15.54 15.94 NV 200247.21+174657.4
20028+1747 BPM1953 2010 4 323 41.7 15.54 15.94 NV 200247.21+174657.4
20028+1747 BPM1953 2015 5 322 42.0 15.54 15.94 NU 200247.21+174657.4

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