20048+1554 STT 397

 
 
20h 04m 46.86s +15 54' 11.3" P.A. 179 sep 46.1 mag 7.40,9.60 Sp G0V dist. 41.2 pc (134.39 l.y.)
 
 
Coord 2000
20048+1554
Discov num
STT 397
Comp
Coord arcsec 2000
20 04 46.86 +15 54 11.3
Date first
1782
Date last
2016
Obs
48
Pa first
164
Pa last
179
P.A. Now (θ)
179°
Sep first
38.6
Sep last
46.1
Sep. Now (ρ)
46.1"
Mag pri
7.40
Mag sec
9.60
delta mag (ΔM)
2.2
Spectral class
G0V (yellow)
Pri motion ra
+028
Sec motion ra
-008
Pri motion dec
+052
Sec motion dec
-017
Notes
N L U (See Notes, Linear solution, Proper motion indicates non-physical)
rPM=1.318
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
179.2
Precise sep
46.08
Constellation
Aquila
SAO
105650
HIP
98879
Tycho2
1617-01356-1
Gaia DR2
51501164032
HD
190516
BD
BD+15 4038
Distance
41.2
Distance ly
134.39
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20048+1554 STT 397 2004 35 178 44.9 7.40 9.60 G0V NLD 200446.86+155411.3
20048+1554 STT 397 2010 37 179 45.3 7.40 9.60 G0V NLD 200446.86+155411.3
20048+1554 STT 397 2012 39 179 45.1 7.40 9.60 G0V NLD 200446.86+155411.3
20048+1554 STT 397 2016 42 179 46.1 7.40 9.60 G0V NL U 200446.86+155411.3

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