19553+3741 SEI 729

 
 
19h 55m 19.48s +37 40' 55.7" P.A. 257 sep 11.8 mag 11.17,12.75
 
 
Coord 2000
19553+3741
Discov num
SEI 729
Comp
Coord arcsec 2000
19 55 19.48 +37 40 55.7
Date first
1896
Date last
2015
Obs
12
Pa first
255
Pa last
257
P.A. Now (θ)
257°
Sep first
10.3
Sep last
11.8
Sep. Now (ρ)
11.8"
Mag pri
11.17
Mag sec
12.75
delta mag (ΔM)
1.58
Spectral class
Pri motion ra
+018
Sec motion ra
+004
Pri motion dec
+002
Sec motion dec
+004
Notes
N (See Notes)
rPM=0.781
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
257.4
Precise sep
11.803
Constellation
Cygnus
Tycho2
3137-00275-1
Gaia DR2
64157558656
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19553+3741 SEI 729 2006 4 257 12.0 11.17 11.70 D 195519.48+374055.7
19553+3741 SEI 729 2010 7 258 11.9 11.17 12.75 N 195519.48+374055.7
19553+3741 SEI 729 2015 8 258 11.8 11.17 12.75 N 195519.48+374055.7

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