19208+3739 ES 2490BC

 
 
19h 20m 51.50s +37 39' 33.4" P.A. 10 sep 7.6 mag 11.60,11.80
 
 
Coord 2000
19208+3739
Discov num
ES 2490
Comp
BC
Coord arcsec 2000
19 20 51.50 +37 39 33.4
Date first
1931
Date last
2015
Obs
6
Pa first
12
Pa last
10
P.A. Now (θ)
10°
Sep first
6.8
Sep last
7.6
Sep. Now (ρ)
7.6"
Mag pri
11.60
Mag sec
11.80
delta mag (ΔM)
0.2
Spectral class
Pri motion ra
+000
Sec motion ra
-007
Pri motion dec
-005
Sec motion dec
-003
Notes
U (Proper motion indicates non-physical)
rPM=0.956
This double is not physical.
 
 
19208+3739 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19208+3739 ES 2490 AB 1931 2015 8 40 21.2 10.70 11.60 0.90
Show 19208+3739 ABH 115 AD 1988 2015 5 1 25.1 10.70 14.49 3.79
Show 19208+3739 ABH 115 AE 1988 2015 5 292 40.5 10.70 12.96 2.26
Show 19208+3739 ABH 115 AF 1988 2015 5 299 82.0 10.70 12.27 1.57
Show 19208+3739 ABH 115 AG 1988 2015 5 301 65.9 10.70 14.29 3.59
Show 19208+3739 ABH 115 AH 1988 2015 5 307 107.3 10.70 14.48 3.78
Show 19208+3739 ABH 115 AI 1988 2015 5 280 106.5 10.70 14.24 3.54
Show 19208+3739 ABH 115 AJ 1988 2015 5 249 105.7 10.70 14.53 3.83
Show 19208+3739 ABH 115 AK 1988 2015 5 56 84.9 10.70 14.61 3.91
Show 19208+3739 ES 2490 BC 1931 2015 6 10 7.6 11.60 11.80 0.20 <===
11-fold system
11 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
10.3
Precise sep
7.635
Constellation
Lyra
Tycho2
3134-01700-1
Gaia DR2
13746276480
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19208+3739 ES 2490 BC 1998 3 10 7.5 11.60 11.80 D 192051.50+373933.4
19208+3739 ES 2490 BC 2002 4 11 7.6 11.60 11.80 UD 192051.50+373933.4
19208+3739 ES 2490 BC 2012 5 9 7.6 11.60 11.80 UD 192051.50+373933.4
19208+3739 ES 2490 BC 2015 6 10 7.6 11.60 11.80 U 192051.50+373933.4

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