20190+3900 HO  125

 
 
20h 18m 57.54s +39 00' 15.1" P.A. 196 sep 3.5 mag 6.61,10.60 Sp K4II dist. 1492.54 pc (4868.67 l.y.)
 
 
Coord 2000
20190+3900
Discov num
HO  125
Comp
Coord arcsec 2000
20 18 57.54 +39 00 15.1
Date first
1885
Date last
2008
Obs
11
Pa first
195
Pa last
196
P.A. Now (θ)
196°
Sep first
2.8
Sep last
3.5
Sep. Now (ρ)
3.5"
Mag pri
6.61
Mag sec
10.60
delta mag (ΔM)
3.99
Spectral class
K4II (yellow-orange)
Pri motion ra
+002
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
196
Precise sep
3.47
Constellation
Cygnus
SAO
69820
HIP
100155
Tycho2
3151-03441-1
Gaia DR2
44435040256
HD
193469
BD
BD+38 4003
Distance
1492.54
Distance ly
4868.67
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20190+3900 HO 125 1941 10 194 3.1 6.40 10.60 K4II 201857.54+390015.1
20190+3900 HO 125 2008 11 196 3.5 6.40 10.60 K4II 201857.54+390015.1

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