20229+4311 L    34

 
 
20h 22m 56.48s +43 11' 51.1" P.A. 174 sep 4.5 mag 10.84,11.34
 
 
Coord 2000
20229+4311
Discov num
L    34
Comp
Coord arcsec 2000
20 22 56.48 +43 11 51.1
Date first
1892
Date last
2015
Obs
14
Pa first
174
Pa last
174
P.A. Now (θ)
174°
Sep first
4.2
Sep last
4.5
Sep. Now (ρ)
4.5"
Mag pri
10.84
Mag sec
11.34
delta mag (ΔM)
0.5
Spectral class
Pri motion ra
+004
Sec motion ra
+004
Pri motion dec
+000
Sec motion dec
-002
Notes
rPM=0.447
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
173.7
Precise sep
4.518
Constellation
Cygnus
Tycho2
3164-00173-1
Gaia DR2
98240816768
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20229+4311 L 34 1998 9 174 4.2 10.84 11.34 D 202256.48+431151.1
20229+4311 L 34 2009 10 174 4.5 10.84 11.34 D 202256.48+431151.1
20229+4311 L 34 2010 13 174 4.4 10.84 11.34 202256.48+431151.1
20229+4311 L 34 2015 14 174 4.5 10.84 11.34 202256.48+431151.1

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