20576+3003 DAM 669AC

 
 
20h 57m 25.07s +30 02' 10.5" P.A. 244 sep 4.3 mag 13.20,15.20
 
 
Coord 2000
20576+3003
Discov num
DAM 669
Comp
AC
Coord arcsec 2000
20 57 25.07 +30 02 10.5
Date first
1999
Date last
2002
Obs
2
Pa first
245
Pa last
244
P.A. Now (θ)
244°
Sep first
4.4
Sep last
4.3
Sep. Now (ρ)
4.3"
Mag pri
13.20
Mag sec
15.20
delta mag (ΔM)
2
Spectral class
Pri motion ra
+004
Sec motion ra
Pri motion dec
-010
Sec motion dec
Notes
R (Red magnitudes)
Nature of this double is uncertain.
 
 
20576+3003 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20576+3003 J 2333 AB 1942 2002 3 327 7.7 13.20 14.30 1.10
Show 20576+3003 DAM 669 AC 1999 2002 2 244 4.3 13.20 15.20 2.00 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
243.5
Precise sep
4.349
Cdsa2 id
DAM 669 AC
Constellation
Cygnus
Ra deg
20.95696388888889
De deg
30.036250000000003
last precise pa
243.5
last precise sep
4.349
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20576+3003 DAM 669 AC 2002 2 244 4.3 12.80 14.80 R 205725.07+300210.5

If you need more information about this double, apply for a data request form to the WDS.