19586+3806 STF2609

 
 
19h 58m 34.37s +38 06' 20.8" P.A. 21 sep 1.9 mag 6.69,7.64 Sp B5IV dist. 440.53 pc (1437.01 l.y.)
 
 
Coord 2000
19586+3806
Discov num
STF2609
Comp
Coord arcsec 2000
19 58 34.37 +38 06 20.8
Date first
1828
Date last
2015
Obs
110
Pa first
26
Pa last
21
P.A. Now (θ)
21°
Sep first
2.9
Sep last
1.9
Sep. Now (ρ)
1.9"
Mag pri
6.69
Mag sec
7.64
delta mag (ΔM)
0.95
Spectral class
B5IV (blue-white)
Pri motion ra
+003
Sec motion ra
+003
Pri motion dec
-003
Sec motion dec
-003
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
21.3
Precise sep
1.942
Constellation
Cygnus
SAO
69193
HIP
98320
Tycho2
3137-01989-1
HD
189432
HR
7642
BD
BD+37 3703
Distance
440.53
Distance ly
1437.01
last precise pa
21.3
last precise sep
1.942
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19586+3806 STF2609 2008 116 23 1.9 6.69 7.64 B5IV D 195834.37+380620.8
19586+3806 STF2609 2011 118 22 1.9 6.69 7.64 B5IV D 195834.37+380620.8
19586+3806 STF2609 2013 117 22 2.0 6.69 7.64 B5IV 195834.37+380620.8
19586+3806 STF2609 2014 108 22 1.9 6.69 7.64 B5IV 195834.37+380620.8
19586+3806 STF2609 2015 109 21 1.9 6.69 7.64 B5IV 195834.37+380620.8

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