20356+3510 STF2702

 
 
20h 35m 34.94s +35 10' 10.8" P.A. 208.00 sep 3.1 mag 8.70,8.99 Sp A0
 
 
Coord 2000
20356+3510
Discov num
STF2702
Comp
Coord arcsec 2000
20 35 34.94 +35 10 10.8
Date first
1828
Date last
2018
Obs
51
Pa first
205
Pa last
208
P.A. Now (θ)
208°
Sep first
2.6
Sep last
3.1
Sep. Now (ρ)
3.1"
Mag pri
8.70
Mag sec
8.99
delta mag (ΔM)
0.29
Spectral class
A0 (white)
Pri motion ra
+009
Sec motion ra
+008
Pri motion dec
+000
Sec motion dec
+001
Notes
T (Parallax indicates physical)
Visually invisible, K-band or other infrared star rPM=0.157 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
208.4
Precise sep
3.14
Constellation
Cygnus
SAO
70241
Tycho2
2694-00849-1
Gaia DR2
82533028096
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20356+3510 STF2702 1999 49 205 2.8 8.70 8.99 A0 D 203534.94+351010.8
20356+3510 STF2702 2009 51 206 3.1 8.70 8.99 A0 D 203534.94+351010.8
20356+3510 STF2702 2011 54 205 3.1 8.70 8.99 A0 D 203534.94+351010.8
20356+3510 STF2702 2015 49 205 3.2 8.70 8.99 A0 203534.94+351010.8
20356+3510 STF2702 2018 50 206 3.2 8.70 8.99 A0 203534.94+351010.8

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