20320+2056 DAM 216

 
 
20h 31m 59.35s +20 56' 12.8" P.A. 76.00 sep 11.8 mag 10.38,11.01 Sp A5
 
 
Coord 2000
20320+2056
Discov num
DAM 216
Comp
Coord arcsec 2000
20 31 59.35 +20 56 12.8
Date first
1894
Date last
2016
Obs
13
Pa first
77
Pa last
76
P.A. Now (θ)
76°
Sep first
12.0
Sep last
11.8
Sep. Now (ρ)
11.8"
Mag pri
10.38
Mag sec
11.01
delta mag (ΔM)
0.63
Spectral class
A5 (white)
Pri motion ra
+004
Sec motion ra
+003
Pri motion dec
-005
Sec motion dec
-006
Notes
U (Proper motion indicates non-physical)
Visually invisible, K-band or other infrared star rPM=0.211 (< 0.3, Physical double)
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
76.2
Precise sep
11.842
Constellation
Vulpecula
Tycho2
1644-01876-1
Gaia DR2
18423265920
HD
352392
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20320+2056 DAM 216 2000 6 76 11.8 10.40 11.00 V 203159.35+205612.8
20320+2056 DAM 216 2001 7 76 11.8 10.40 11.00 V 203159.35+205612.8
20320+2056 DAM 216 2010 7 76 11.5 10.38 11.01 A5 V 203159.35+205612.8
20320+2056 DAM 216 2016 8 76 11.8 10.38 11.01 A5 V 203159.35+205612.8

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