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
Cdsa2 id
DAL 37 DE
Constellation
Cygnus
Ra deg
19.748583333333336
De deg
45.12627777777778
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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