21122+3828 SMA 137

 
 
21h 12m 19.85s +38 28' 19.7" P.A. 122 sep 9.5 mag 11.20,12.20
 
 
Coord 2000
21122+3828
Discov num
SMA 137
Comp
Coord arcsec 2000
21 12 19.85 +38 28 19.7
Date first
1923
Date last
2012
Obs
7
Pa first
118
Pa last
122
P.A. Now (θ)
122°
Sep first
10.5
Sep last
9.5
Sep. Now (ρ)
9.5"
Mag pri
11.20
Mag sec
12.20
delta mag (ΔM)
1
Spectral class
Pri motion ra
+009
Sec motion ra
+004
Pri motion dec
+000
Sec motion dec
-002
Notes
N (See Notes)
rPM=0.598
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
122
Precise sep
9.54
Constellation
Cygnus
last precise pa
122
last precise sep
9.54
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21122+3828 SMA 137 1929 3 119 10.7 11.20 12.20 N 211219.85+382819.7
21122+3828 SMA 137 2002 4 121 9.4 11.20 12.20 N 211219.85+382819.7
21122+3828 SMA 137 2012 5 122 9.7 11.20 12.20 N 211219.85+382819.7

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