20280+2739 BRT  48

 
 
20h 27m 53.88s +27 38' 12.2" P.A. 265 sep 4.2 mag 12.99,13.13
 
 
Coord 2000
20280+2739
Discov num
BRT  48
Comp
Coord arcsec 2000
20 27 53.88 +27 38 12.2
Date first
1898
Date last
2015
Obs
4
Pa first
246
Pa last
265
P.A. Now (θ)
265°
Sep first
2.3
Sep last
4.2
Sep. Now (ρ)
4.2"
Mag pri
12.99
Mag sec
13.13
delta mag (ΔM)
0.14
Spectral class
Pri motion ra
+000
Sec motion ra
-029
Pri motion dec
-006
Sec motion dec
-004
Notes
B (Blue magnitudes)
rPM=0.993
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
264.6
Precise sep
4.247
Constellation
Vulpecula
SAO
88709
Gaia DR2
15212460544
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20280+2739 BRT 48 1898 1 246 2.3 12.99 13.13 B 202753.88+273812.2
20280+2739 BRT 48 2009 2 264 4.3 12.99 13.13 B 202753.88+273812.2
20280+2739 BRT 48 2015 4 265 4.2 12.99 13.13 B 202753.88+273812.2

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