19450+4508 DAL  37FG

 
 
19h 45m 11.17s +45 08' 51.4" P.A. 312 sep 3.1 mag 13.00,13.80
 
 
Coord 2000
19450+4508
Discov num
DAL  37
Comp
FG
Coord arcsec 2000
19 45 11.17 +45 08 51.4
Date first
2007
Date last
2015
Obs
2
Pa first
311
Pa last
312
P.A. Now (θ)
312°
Sep first
3.2
Sep last
3.1
Sep. Now (ρ)
3.1"
Mag pri
13.00
Mag sec
13.80
delta mag (ΔM)
0.8
Spectral class
Pri motion ra
-001
Sec motion ra
Pri motion dec
-009
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 2017 8 67 62.5 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 2015 4 251 3.5 14.80 15.20 0.40
Show 19450+4508 DAL 37 FG 2007 2015 2 312 3.1 13.00 13.80 0.80 <===
Septuple system
7 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
311.5
Precise sep
3.055
Constellation
Cygnus
SAO
48796
Gaia DR2
28029245440
HD
186882
HR
7528
DM
BD+44 3234
Flamsteed
18 Cygni
Flamsteed name
18 Cyg
 
 
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 FG 2007 1 311 3.2 13.10 13.80 194511.17+450851.4
19450+4508 DAL 37 FG 2015 2 312 3.1 13.00 13.80 N 194511.17+450851.4

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