20124+2124 DAM1255

 
 
20h 12m 22.46s +21 24' 16.3" P.A. 25 sep 6.8 mag 9.70,12.00 Sp B8
 
 
Coord 2000
20124+2124
Discov num
DAM1255
Comp
Coord arcsec 2000
20 12 22.46 +21 24 16.3
Date first
1898
Date last
2010
Obs
6
Pa first
23
Pa last
25
P.A. Now (θ)
25°
Sep first
7.1
Sep last
6.8
Sep. Now (ρ)
6.8"
Mag pri
9.70
Mag sec
12.00
delta mag (ΔM)
2.3
Spectral class
B8 (blue-white)
Pri motion ra
-002
Sec motion ra
-002
Pri motion dec
-007
Sec motion dec
-008
Notes
rPM=0.121 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
24.9
Precise sep
6.799
Constellation
Sagitta
SAO
88346
Tycho2
1630-00378-1
HD
346074
last precise pa
24.9
last precise sep
6.799
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20124+2124 DAM1255 2010 5 25 6.8 9.70 12.00 B8 201222.46+212416.3

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