20095+5140 STF2645

 
 
20h 09m 28.56s +51 40' 27.4" P.A. 139.00 sep 1.6 mag 8.55,8.98 Sp A0V dist. 507.61 pc (1655.82 l.y.)
 
 
Coord 2000
20095+5140
Discov num
STF2645
Comp
Coord arcsec 2000
20 09 28.56 +51 40 27.4
Date first
1830
Date last
2018
Obs
38
Pa first
129
Pa last
139
P.A. Now (θ)
139°
Sep first
1.2
Sep last
1.6
Sep. Now (ρ)
1.6"
Mag pri
8.55
Mag sec
8.98
delta mag (ΔM)
0.43
Spectral class
A0V (white)
Pri motion ra
+000
Sec motion ra
+000
Pri motion dec
+001
Sec motion dec
+001
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
138.6
Precise sep
1.648
Constellation
Cygnus
SAO
32319
HIP
99307
Tycho2
3571-00729-1
Gaia DR2
99148580352
HD
191807
BD
BD+51 2781
Distance
507.61
Distance ly
1655.82
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20095+5140 STF2645 2005 34 138 1.6 8.55 8.98 A0V D 200928.56+514027.4
20095+5140 STF2645 2006 35 139 1.6 8.55 8.98 A0V D 200928.56+514027.4
20095+5140 STF2645 2008 36 138 1.6 8.55 8.98 A0V D 200928.56+514027.4
20095+5140 STF2645 2011 37 136 1.5 8.55 8.98 A0V 200928.56+514027.4
20095+5140 STF2645 2016 37 139 1.6 8.55 8.98 A0V 200928.56+514027.4
20095+5140 STF2645 2018 38 139 1.6 8.55 8.98 A0V 200928.56+514027.4

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