20042+4645 HDS2861

 
 
20h 04m 09.90s +46 44' 30.5" P.A. 109 sep 16.7 mag 9.68,10.72 Sp A dist. 595.24 pc (1941.67 l.y.)
 
 
Coord 2000
20042+4645
Discov num
HDS2861
Comp
Coord arcsec 2000
20 04 09.90 +46 44 30.5
Date first
1892
Date last
2015
Obs
14
Pa first
108
Pa last
109
P.A. Now (θ)
109°
Sep first
16.4
Sep last
16.7
Sep. Now (ρ)
16.7"
Mag pri
9.68
Mag sec
10.72
delta mag (ΔM)
1.04
Spectral class
A (white)
Pri motion ra
-005
Sec motion ra
-006
Pri motion dec
-004
Sec motion dec
-008
Notes
rPM=0.412
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
109.2
Precise sep
16.687
Constellation
Cygnus
SAO
49144
HIP
98827
Tycho2
3559-00113-1
Gaia DR2
14625399040
HD
190698
BD
BD+46 2842
Distance
595.24
Distance ly
1941.67
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20042+4645 HDS2861 1998 7 109 16.7 9.68 10.72 A D 200409.90+464430.5
20042+4645 HDS2861 2008 8 109 16.8 9.68 10.72 A D 200409.90+464430.5
20042+4645 HDS2861 2010 10 109 16.6 9.68 10.72 A 200409.90+464430.5
20042+4645 HDS2861 2015 14 109 16.7 9.68 10.72 A 200409.90+464430.5

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