19579+4216 STF2607AB,C

 
 
19h 57m 56.12s +42 15' 38.9" P.A. 289 sep 3 mag 6.56,9.09 Sp A3V dist. 325.73 pc (1062.53 l.y.)
 
 
Coord 2000
19579+4216
Discov num
STF2607
Comp
AB,C
Coord arcsec 2000
19 57 56.12 +42 15 38.9
Date first
1828
Date last
2012
Obs
63
Pa first
287
Pa last
289
P.A. Now (θ)
289°
Sep first
4.3
Sep last
3.0
Sep. Now (ρ)
3"
Mag pri
6.56
Mag sec
9.09
delta mag (ΔM)
2.53
Spectral class
A3V (white)
Pri motion ra
-003
Sec motion ra
Pri motion dec
-012
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
19579+4216 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 49031 19579+4216 STT 392 AB 1843 1996 40 146 0.1 6.60 8.40 1.80 Y
Show 49031 19579+4216 STF2607 AB,C 1828 2012 63 289 3.0 6.56 9.09 2.53 <===
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
289.1
Precise sep
2.978
Constellation
Cygnus
SAO
49031
HIP
98253
Tycho2
3145-01210-1
HD
189377
HR
7638
BD
BD+41 3549
Distance
325.73
Distance ly
1062.53
last precise pa
289.1
last precise sep
2.978
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19579+4216 STF2607 AB,C 2007 62 289 3.0 6.56 9.09 N D 195756.12+421538.9
19579+4216 STF2607 AB,C 2012 63 289 3.0 6.56 9.09 A3V N 195756.12+421538.9

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