19450+4508 DAL  37DE

 
 
19h 44m 54.90s +45 07' 34.6" P.A. 250 sep 3.3 mag 14.80,15.20
 
 
Coord 2000
19450+4508
Discov num
DAL  37
Comp
DE
Coord arcsec 2000
19 44 54.90 +45 07 34.6
Date first
1998
Date last
2007
Obs
3
Pa first
250
Pa last
250
P.A. Now (θ)
250°
Sep first
3.7
Sep last
3.3
Sep. Now (ρ)
3.3"
Mag pri
14.80
Mag sec
15.20
delta mag (ΔM)
0.4
Spectral class
Pri motion ra
-007
Sec motion ra
Pri motion dec
-004
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
19450+4508 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Del Cyg 48796 19450+4508 STF2579 AB 1826 2016 483 216 2.8 2.89 6.27 3.38 Y
Show 19450+4508 STF2579 AC 1913 2014 7 66 62.6 2.89 12.00 9.11
Show 19450+4508 DAL 37 AD 1998 2007 3 246 42.0 2.89 14.80 11.91
Show 19450+4508 DAL 37 AF 1998 2007 3 66 147.5 2.89 12.80 9.91
Show 19450+4508 DAL 37 DE 1998 2007 3 250 3.3 14.80 15.20 0.40 <===
Show 19450+4508 DAL 37 FG 2007 2007 1 311 3.2 13.00 13.80 0.80
Septuple system
7 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
249.7
Precise sep
3.31
Constellation
Cygnus
last precise pa
249.7
last precise sep
3.31
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19450+4508 DAL 37 DE 2007 2 250 3.3 14.90 15.20 D 194454.90+450734.6

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