20145+2451 STT 402

 
 
20h 14m 30.52s +24 50' 41.1" P.A. 33 sep 15.3 mag 7.46,10.73 Sp B9 dist. 568.18 pc (1853.4 l.y.)
 
 
Coord 2000
20145+2451
Discov num
STT 402
Comp
Coord arcsec 2000
20 14 30.52 +24 50 41.1
Date first
1843
Date last
2015
Obs
23
Pa first
36
Pa last
33
P.A. Now (θ)
33°
Sep first
15.2
Sep last
15.3
Sep. Now (ρ)
15.3"
Mag pri
7.46
Mag sec
10.73
delta mag (ΔM)
3.27
Spectral class
B9 (blue-white)
Pri motion ra
-002
Sec motion ra
-005
Pri motion dec
-010
Sec motion dec
-007
Notes
rPM=0.416
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
33.4
Precise sep
15.311
Constellation
Vulpecula
SAO
88394
HIP
99767
Tycho2
2159-00483-1
Gaia DR2
28768062208
HD
192519
BD
BD+24 4053
Distance
568.18
Distance ly
1853.4
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20145+2451 STT 402 1999 12 33 15.4 7.46 10.73 B9 D 201430.52+245041.1
20145+2451 STT 402 2009 14 35 14.0 7.46 10.73 B9 D 201430.52+245041.1
20145+2451 STT 402 2013 17 34 15.4 7.46 10.73 B9 201430.52+245041.1
20145+2451 STT 402 2015 19 33 15.3 7.46 10.73 B9 201430.52+245041.1

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