20260+2257 BRT2475

 
 
20h 26m 01.82s +22 57' 10.3" P.A. 280 sep 4.9 mag 9.51,12.81 Sp B8 dist. 487.8 pc (1591.2 l.y.)
 
 
Coord 2000
20260+2257
Discov num
BRT2475
Comp
Coord arcsec 2000
20 26 01.82 +22 57 10.3
Date first
1894
Date last
2014
Obs
9
Pa first
280
Pa last
280
P.A. Now (θ)
280°
Sep first
4.7
Sep last
4.9
Sep. Now (ρ)
4.9"
Mag pri
9.51
Mag sec
12.81
delta mag (ΔM)
3.3
Spectral class
B8 (blue-white)
Pri motion ra
+004
Sec motion ra
-000
Pri motion dec
-006
Sec motion dec
-005
Notes
rPM=0.572
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
279.7
Precise sep
4.92
Constellation
Vulpecula
HIP
100782
Tycho2
2156-00116-1
Gaia DR2
68958983168
HD
346637
BD
BD+22 4050
Distance
487.8
Distance ly
1591.2
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20260+2257 BRT2475 1999 6 280 4.9 9.51 12.81 B8 D 202601.82+225710.3
20260+2257 BRT2475 2008 7 279 5.0 9.51 12.81 B8 D 202601.82+225710.3
20260+2257 BRT2475 2014 9 280 4.9 9.51 12.81 B8 202601.82+225710.3

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