19498+3558 POP 104AB

 
 
19h 49m 50.74s +35 57' 04.7" P.A. 55 sep 4.7 mag 10.20,11.20
 
 
Coord 2000
19498+3558
Discov num
POP 104
Comp
AB
Coord arcsec 2000
19 49 50.74 +35 57 04.7
Date first
1975
Date last
2012
Obs
7
Pa first
55
Pa last
55
P.A. Now (θ)
55°
Sep first
4.0
Sep last
4.7
Sep. Now (ρ)
4.7"
Mag pri
10.20
Mag sec
11.20
delta mag (ΔM)
1
Spectral class
Pri motion ra
-055
Sec motion ra
Pri motion dec
-026
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
19498+3558 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19498+3558 POP 104 AB 1975 2012 7 55 4.7 10.20 11.20 1.00 <===
Show 19498+3558 DAM 181 AC 1998 2012 3 256 4.4 10.20 13.00 2.80
Show 19498+3558 CVE 4 AD 2012 2012 1 150 2.7 10.20 11.60 1.40
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
55.2
Precise sep
4.69
Constellation
Cygnus
last precise pa
55.2
last precise sep
4.69
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19498+3558 POP 104 AB 1995 4 59 3.4 10.20 11.20 194950.74+355704.7
19498+3558 POP 104 AB 1998 5 44 4.9 10.20 11.20 D 194950.74+355704.7
19498+3558 POP 104 AB 2002 6 55 4.7 10.20 11.20 D 194950.74+355704.7
19498+3558 POP 104 AB 2012 7 55 4.7 10.20 11.20 194950.74+355704.7

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