20344+3328 HEI 181

 
 
20h 34m 20.44s +33 28' 09.5" P.A. 4 sep 4.1 mag 10.54,12.50
 
 
Coord 2000
20344+3328
Discov num
HEI 181
Comp
Coord arcsec 2000
20 34 20.44 +33 28 09.5
Date first
1981
Date last
1999
Obs
2
Pa first
1
Pa last
4
P.A. Now (θ)
Sep first
4.5
Sep last
4.1
Sep. Now (ρ)
4.1"
Mag pri
10.54
Mag sec
12.50
delta mag (ΔM)
1.96
Spectral class
Pri motion ra
+003
Sec motion ra
Pri motion dec
-014
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
3.8
Precise sep
4.13
Constellation
Cygnus
Tycho2
2690-00735-1
Gaia DR2
54407373952
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20344+3328 HEI 181 1999 2 4 4.1 10.54 12.50 D 203420.44+332809.5

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