19563+3708 SEI 739

 
 
19h 56m 19.45s +37 08' 09.4" P.A. 171 sep 23.5 mag 11.72,12.38
 
 
Coord 2000
19563+3708
Discov num
SEI 739
Comp
Coord arcsec 2000
19 56 19.45 +37 08 09.4
Date first
1896
Date last
2010
Obs
6
Pa first
172
Pa last
171
P.A. Now (θ)
171°
Sep first
23.1
Sep last
23.5
Sep. Now (ρ)
23.5"
Mag pri
11.72
Mag sec
12.38
delta mag (ΔM)
0.66
Spectral class
Pri motion ra
-004
Sec motion ra
-002
Pri motion dec
-005
Sec motion dec
-005
Notes
rPM=0.312
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
171.2
Precise sep
23.51
Cdsa2 id
SEI 739
Constellation
Cygnus
Tycho2
2681-00799-1
Ra deg
19.938736111111112
De deg
37.13594444444444
last precise pa
171.2
last precise sep
23.51
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19563+3708 SEI 739 1998 4 171 23.5 11.72 12.38 D 195619.45+370809.4
19563+3708 SEI 739 2002 5 171 23.5 11.72 12.38 D 195619.45+370809.4
19563+3708 SEI 739 2010 6 171 23.5 11.72 12.38 195619.45+370809.4

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