20273+4948 BVD 269

 
 
20h 27m 19.71s +49 47' 41.5" P.A. 288.00 sep 11.1 mag 16.70,18.00
 
 
Coord 2000
20273+4948
Discov num
BVD 269
Comp
Coord arcsec 2000
20 27 19.71 +49 47 41.5
Date first
2000
Date last
2015
Obs
4
Pa first
288
Pa last
288
P.A. Now (θ)
288°
Sep first
11.1
Sep last
11.1
Sep. Now (ρ)
11.1"
Mag pri
16.70
Mag sec
18.00
delta mag (ΔM)
1.3
Spectral class
Pri motion ra
+049
Sec motion ra
+054
Pri motion dec
+059
Sec motion dec
+056
Notes
V (Proper motion indicates physical)
Visually invisible, K-band or other infrared star rPM=0.075 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
288
Precise sep
11.1
Constellation
Cygnus
Gaia DR2
93881841536
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20273+4948 BVD 269 2000 1 288 11.1 16.70 18.00 V 202719.71+494741.5
20273+4948 BVD 269 2010 2 287 10.9 16.70 18.00 V 202719.71+494741.5
20273+4948 BVD 269 2015 3 288 11.1 16.70 18.00 V 202719.71+494741.5

If you need more information about this double, apply for a data request form to the WDS.