20427+0217 GRV 370

 
 
20h 42m 45.49s +02 17' 48.8" P.A. 313 sep 25.4 mag 9.50,11.70 Sp F5
 
 
Coord 2000
20427+0217
Discov num
GRV 370
Comp
Coord arcsec 2000
20 42 45.49 +02 17 48.8
Date first
1909
Date last
2015
Obs
10
Pa first
313
Pa last
313
P.A. Now (θ)
313°
Sep first
25.4
Sep last
25.4
Sep. Now (ρ)
25.4"
Mag pri
9.50
Mag sec
11.70
delta mag (ΔM)
2.2
Spectral class
F5 (yellow-white)
Pri motion ra
+027
Sec motion ra
+027
Pri motion dec
-012
Sec motion dec
-011
Notes
rPM=0.034 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
313
Precise sep
25.434
Constellation
Aquarius
Tycho2
0515-02165-1
Gaia DR2
4231833269615129728
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20427+0217 GRV 370 2000 7 313 25.4 9.50 11.77 D 204245.49+021748.8
20427+0217 GRV 370 2013 8 314 25.4 9.50 11.70 F5 204245.49+021748.8
20427+0217 GRV 370 2015 10 313 25.4 9.50 11.70 F5 204245.49+021748.8

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