20119+3510 SEI 988

 
 
20h 12m 02.08s +35 09' 55.6" P.A. 4 sep 3.8 mag 10.88,11.42 Sp B9
 
 
Coord 2000
20119+3510
Discov num
SEI 988
Comp
Coord arcsec 2000
20 12 02.08 +35 09 55.6
Date first
1896
Date last
2013
Obs
19
Pa first
0
Pa last
4
P.A. Now (θ)
Sep first
3.4
Sep last
3.8
Sep. Now (ρ)
3.8"
Mag pri
10.88
Mag sec
11.42
delta mag (ΔM)
0.54
Spectral class
B9 (blue-white)
Pri motion ra
-004
Sec motion ra
-004
Pri motion dec
-025
Sec motion dec
+004
Notes
N (See Notes)
rPM=1.145
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
3.5
Precise sep
3.76
Constellation
Cygnus
Tycho2
2679-01693-1
last precise pa
3.5
last precise sep
3.76
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20119+3510 SEI 988 2001 13 4 3.8 10.88 11.42 N D 201202.08+350955.6
20119+3510 SEI 988 2010 14 3 3.7 10.88 11.42 N D 201202.08+350955.6
20119+3510 SEI 988 2011 17 3 3.5 10.88 11.42 N D 201202.08+350955.6
20119+3510 SEI 988 2013 19 4 3.8 10.88 11.42 B9 N 201202.08+350955.6

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