19409+2708 STF2561

 
 
19h 40m 51.99s +27 07' 58.9" P.A. 299 sep 18.4 mag 7.76,10.62 Sp A0 dist. 154.56 pc (504.17 l.y.)
 
 
Coord 2000
19409+2708
Discov num
STF2561
Comp
Coord arcsec 2000
19 40 51.99 +27 07 58.9
Date first
1828
Date last
2012
Obs
14
Pa first
319
Pa last
299
P.A. Now (θ)
299°
Sep first
14.0
Sep last
18.4
Sep. Now (ρ)
18.4"
Mag pri
7.76
Mag sec
10.62
delta mag (ΔM)
2.86
Spectral class
A0 (white)
Pri motion ra
+025
Sec motion ra
+048
Pri motion dec
+021
Sec motion dec
+019
Notes
rPM=0.447
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
299
Precise sep
18.416
Constellation
Vulpecula
SAO
87561
HIP
96830
Tycho2
2147-02930-1
HD
185983
BD
BD+26 3640
Distance
154.56
Distance ly
504.17
last precise pa
299
last precise sep
18.416
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19409+2708 STF2561 2002 9 300 18.2 7.76 10.62 A0 D 194051.99+270758.9
19409+2708 STF2561 2012 12 299 18.4 7.76 10.62 A0 D 194051.99+270758.9

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