19577+4357 DEA 105

 
 
19h 57m 46.78s +43 57' 23.6" P.A. 264.00 sep 5.4 mag 13.10,18.90
 
 
Coord 2000
19577+4357
Discov num
DEA 105
Comp
Coord arcsec 2000
19 57 46.78 +43 57 23.6
Date first
2000
Date last
2017
Obs
8
Pa first
257
Pa last
264
P.A. Now (θ)
264°
Sep first
6.3
Sep last
5.4
Sep. Now (ρ)
5.4"
Mag pri
13.10
Mag sec
18.90
delta mag (ΔM)
5.8
Spectral class
Pri motion ra
+019
Sec motion ra
+009
Pri motion dec
-006
Sec motion dec
+002
Notes
V (Proper motion indicates physical)
Visually invisible, K-band or other infrared star rPM=0.643
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
263.8
Precise sep
5.398
Constellation
Cygnus
Tycho2
3149-00183-1
Gaia DR2
20990949376
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19577+4357 DEA 105 2013 2 255 6.2 12.60 16.00 V R 195746.78+435723.6
19577+4357 DEA 105 2015 3 257 6.3 12.60 16.00 V R 195746.78+435723.6
19577+4357 DEA 105 2017 5 264 5.4 13.10 18.90 V 195746.78+435723.6

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