19257+3557 COU  17

 
 
19h 25m 39.89s +35 57' 05.7" P.A. 52 sep 3.7 mag 9.50,10.80
 
 
Coord 2000
19257+3557
Discov num
COU  17
Comp
Coord arcsec 2000
19 25 39.89 +35 57 05.7
Date first
1945
Date last
2015
Obs
9
Pa first
58
Pa last
52
P.A. Now (θ)
52°
Sep first
3.4
Sep last
3.7
Sep. Now (ρ)
3.7"
Mag pri
9.50
Mag sec
10.80
delta mag (ΔM)
1.3
Spectral class
Pri motion ra
-013
Sec motion ra
+036
Pri motion dec
-020
Sec motion dec
+011
Notes
rPM=1.54
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
51.7
Precise sep
3.693
Constellation
Lyra
SAO
68297
Tycho2
2666-00171-1
Gaia DR2
2049946113248004736
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19257+3557 COU 17 2006 7 49 3.5 9.50 10.80 D 192539.89+355705.7
19257+3557 COU 17 2015 9 52 3.7 9.50 10.80 192539.89+355705.7

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