20157+5316 MMA  20

 
 
20h 15m 41.62s +53 15' 48.1" P.A. 245 sep 11.3 mag 16.00,16.00
 
 
Coord 2000
20157+5316
Discov num
MMA  20
Comp
Coord arcsec 2000
20 15 41.62 +53 15 48.1
Date first
1952
Date last
2015
Obs
7
Pa first
246
Pa last
245
P.A. Now (θ)
245°
Sep first
10.9
Sep last
11.3
Sep. Now (ρ)
11.3"
Mag pri
16.00
Mag sec
16.00
delta mag (ΔM)
0
Spectral class
Pri motion ra
-003
Sec motion ra
-008
Pri motion dec
-003
Sec motion dec
-008
Notes
rPM=0.625
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
244.6
Precise sep
11.279
Constellation
Cygnus
SAO
32407
Gaia DR2
12492524288
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20157+5316 MMA 20 2003 1 245 11.1 16.00 16.00 201541.62+531548.1
20157+5316 MMA 20 2010 5 244 11.2 16.00 16.00 201541.62+531548.1
20157+5316 MMA 20 2015 7 245 11.3 16.00 16.00 201541.62+531548.1

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