20169+1506 ABH 136AD

 
 
20h 16m 56.66s +15 05' 34.6" P.A. 281 sep 39.7 mag 12.20,13.86 Sp F4V
 
 
Coord 2000
20169+1506
Discov num
ABH 136
Comp
AD
Coord arcsec 2000
20 16 56.66 +15 05 34.6
Date first
1987
Date last
2015
Obs
10
Pa first
283
Pa last
281
P.A. Now (θ)
281°
Sep first
39.6
Sep last
39.7
Sep. Now (ρ)
39.7"
Mag pri
12.20
Mag sec
13.86
delta mag (ΔM)
1.66
Spectral class
F4V (yellow-white)
Pri motion ra
+016
Sec motion ra
-012
Pri motion dec
+004
Sec motion dec
-006
Notes
U (Proper motion indicates non-physical)
rPM=1.803
This double is not physical.
 
 
20169+1506 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20169+1506 CHE 268 AB 1910 2015 11 213 10.2 12.20 12.30 0.10
Show 20169+1506 CHE 268 AC 1910 2015 9 337 21.4 12.20 12.49 0.29
Show 20169+1506 ABH 136 AD 1987 2015 10 281 39.7 12.20 13.86 1.66 <===
Show 20169+1506 ABH 136 AE 1987 2015 9 231 74.0 12.20 15.80 3.60
Show 20169+1506 ABH 136 AF 1987 2015 7 217 52.4 12.20 14.80 2.60
Show 20169+1506 ABH 136 AG 1987 2015 9 212 51.0 12.20 14.70 2.50
Show 20169+1506 ABH 136 AH 1987 2015 9 190 55.4 12.20 14.50 2.30
Show 20169+1506 ABH 136 AI 1987 2015 9 181 67.9 12.20 15.40 3.20
Show 20169+1506 ABH 136 AJ 1987 2015 10 57 93.0 12.20 15.30 3.10
Show 20169+1506 ABH 136 AK 1987 2015 10 65 103.2 12.20 15.80 3.60
Show 20169+1506 ABH 136 AL 1987 2015 10 64 125.3 12.20 15.80 3.60
Show 20169+1506 CHE 268 BC 1987 2015 9 354 28.4 12.30 12.49 0.19
12-fold system
12 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
281.4
Precise sep
39.696
Constellation
Delphinus
Gaia DR2
84820097408
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20169+1506 ABH 136 AD 2002 3 282 39.7 12.33 13.81 D 201656.66+150534.6
20169+1506 ABH 136 AD 2008 4 282 39.8 12.33 13.81 D 201656.66+150534.6
20169+1506 ABH 136 AD 2015 6 281 39.7 12.20 13.86 F4V U 201656.66+150534.6

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