20183+1508 BPM2098

 
 
20h 18m 18.46s +15 07' 51.8" P.A. 80.00 sep 119.1 mag 13.55,14.01
 
 
Coord 2000
20183+1508
Discov num
BPM2098
Comp
Coord arcsec 2000
20 18 18.46 +15 07 51.8
Date first
1977
Date last
2015
Obs
9
Pa first
80
Pa last
80
P.A. Now (θ)
80°
Sep first
119.1
Sep last
119.1
Sep. Now (ρ)
119.1"
Mag pri
13.55
Mag sec
14.01
delta mag (ΔM)
0.46
Spectral class
Pri motion ra
-003
Sec motion ra
-002
Pri motion dec
-010
Sec motion dec
-011
Notes
N V (See Notes, Proper motion indicates physical)
Visually invisible, K-band or other infrared star rPM=0.126 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
79.9
Precise sep
119.103
Constellation
Delphinus
SAO
105938
Gaia DR2
43176704896
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20183+1508 BPM2098 1998 2 80 119.1 13.78 14.31 NV 201818.46+150751.8
20183+1508 BPM2098 2001 3 80 119.0 13.78 14.31 NV 201818.46+150751.8
20183+1508 BPM2098 2010 4 80 119.1 13.55 14.01 NV 201818.46+150751.8
20183+1508 BPM2098 2015 5 80 119.1 13.55 14.01 NV 201818.46+150751.8

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