21148+3803 JOD  20Fa,Fb

 
 
21H 14M 46.86S +38 01' 13.7" P.A. 18 SEP 0.4 MAG 12.20,13.80 SP M2.5
 
 
Coord 2000
21148+3803
Discov num
JOD  20
Comp
Fa,Fb
Coord arcsec 2000
21 14 46.86 +38 01 13.7
Date first
2008
Date last
2008
Obs
1
Pa first
18
Pa last
18
P.A. Now (θ)
18°
Sep first
0.4
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
12.20
Mag sec
13.80
delta mag (ΔM)
1.6
Spectral class
M2.5 (red)
Pri motion ra
+165
Sec motion ra
Pri motion dec
+436
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
21148+3803 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Tau Cyg 71121 21148+3803 AGC 13 AB 1874 2016 347 196 1.0 3.83 6.57 2.74 Y
Show 71121 21148+3803 AGC 13 AC 1874 2012 11 211 73.0 3.83 12.20 8.37
Show 71121 21148+3803 AGC 13 AB,D 1852 2004 15 208 205.4 3.83 9.94 6.11
Show 71121 21148+3803 AGC 13 AE 1912 2012 6 257 86.9 3.83 12.40 8.57
Show 71121 21148+3803 AGC 13 AF 1912 2012 37 184 89.5 3.83 11.95 8.12
Show 71121 21148+3803 DAL 38 AG 1998 2007 4 109 120.9 3.83 12.50 8.67
Show 71121 21148+3803 LEP 100 AI 1998 2002 2 77 534.5 3.83 16.02 12.19
Show 71121 21148+3803 FYM 110 AJ 1998 2012 3 127 49.7 3.83 14.00 10.17
Show 71121 21148+3803 FYM 110 AK 1998 2012 3 316 99.0 3.83 14.40 10.57
Show 71121 21148+3803 FYM 110 AL 2002 2012 2 290 32.8 3.83 14.90 11.07
Show 21148+3803 DAL 38 GH 1998 2007 3 107 8.5 12.50 13.20 0.70
Show 21148+3803 JOD 20 Fa,Fb 2008 2008 1 18 0.4 12.20 13.80 1.60 <===
13-fold system
13 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cygnus
last precise pa
17.9
last precise sep
0.4