20003+2955 BU 1258

 
 
20h 00m 15.54s +29 55' 14.3" P.A. 143 sep 1.4 mag 7.47,10.90 Sp A0V dist. 213.22 pc (695.52 l.y.)
 
 
Coord 2000
20003+2955
Discov num
BU 1258
Comp
Coord arcsec 2000
20 00 15.54 +29 55 14.3
Date first
1878
Date last
2015
Obs
29
Pa first
160
Pa last
143
P.A. Now (θ)
143°
Sep first
1.5
Sep last
1.4
Sep. Now (ρ)
1.4"
Mag pri
7.47
Mag sec
10.90
delta mag (ΔM)
3.43
Spectral class
A0V (white)
Pri motion ra
+004
Sec motion ra
+007
Pri motion dec
-004
Sec motion dec
-006
Notes
rPM=0.391
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
142.5
Precise sep
1.417
Constellation
Cygnus
SAO
88049
HIP
98460
Tycho2
2153-00589-1
Gaia DR2
83639905536
HD
189690
BD
BD+29 3838
Distance
213.22
Distance ly
695.52
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20003+2955 BU 1258 1999 28 145 1.4 7.47 10.90 A0V D 200015.54+295514.3
20003+2955 BU 1258 2015 29 143 1.4 7.47 10.90 A0V 200015.54+295514.3

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