19088+3446 STF2470

 
 
19h 08m 45.20s +34 45' 37.1" P.A. 268 sep 13.8 mag 7.03,8.44 Sp B5V dist. 12500 pc (40775 l.y.)
 
 
Coord 2000
19088+3446
Discov num
STF2470
Comp
Coord arcsec 2000
19 08 45.20 +34 45 37.1
Date first
1824
Date last
2014
Obs
58
Pa first
272
Pa last
268
P.A. Now (θ)
268°
Sep first
13.1
Sep last
13.8
Sep. Now (ρ)
13.8"
Mag pri
7.03
Mag sec
8.44
delta mag (ΔM)
1.41
Spectral class
B5V (blue-white)
Pri motion ra
+004
Sec motion ra
+001
Pri motion dec
+001
Sec motion dec
-004
Notes
N (See Notes)
rPM=1.414
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
267.8
Precise sep
13.81
Constellation
Lyra
SAO
67870
HIP
94043
Tycho2
2648-02147-1
HD
178849
BD
BD+34 3437
Distance
12500
Distance ly
40775
last precise pa
267.8
last precise sep
13.81
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19088+3446 STF2470 2007 50 268 13.7 7.03 8.44 B5V N D 190845.20+344537.1
19088+3446 STF2470 2010 53 269 13.8 7.03 8.44 B5V N D 190845.20+344537.1
19088+3446 STF2470 2013 56 267 13.9 7.03 8.44 B5V N D 190845.20+344537.1
19088+3446 STF2470 2014 57 268 13.8 7.03 8.44 B5V N D 190845.20+344537.1

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