20049+0554 HEI 578

 
 
20h 04m 51.13s +05 54' 20.5" P.A. 20.00 sep 6.2 mag 9.95,13.10 Sp G0
 
 
Coord 2000
20049+0554
Discov num
HEI 578
Comp
Coord arcsec 2000
20 04 51.13 +05 54 20.5
Date first
1988
Date last
2015
Obs
7
Pa first
17
Pa last
20
P.A. Now (θ)
20°
Sep first
5.9
Sep last
6.2
Sep. Now (ρ)
6.2"
Mag pri
9.95
Mag sec
13.10
delta mag (ΔM)
3.15
Spectral class
G0 (yellow)
Pri motion ra
+006
Sec motion ra
Pri motion dec
+003
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
20.2
Precise sep
6.218
Constellation
Aquila
Tycho2
0506-02218-1
Gaia DR2
49189175808
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20049+0554 HEI 578 2000 2 20 6.2 9.95 13.10 G0 D 200451.13+055420.5
20049+0554 HEI 578 2010 4 18 6.3 9.95 13.10 G0 200451.13+055420.5
20049+0554 HEI 578 2015 5 20 6.2 9.95 13.10 G0 200451.13+055420.5

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