18562+0412 STF2417BC

 
 
18h 56m 14.64s +04 12' 07.6" P.A. 56 sep 405.6 mag 4.93,6.78 Sp A5Vn dist. 51.95 pc (169.46 l.y.)
 
 
Coord 2000
18562+0412
Discov num
STF2417
Comp
BC
Coord arcsec 2000
18 56 14.64 +04 12 07.6
Date first
1908
Date last
2007
Obs
17
Pa first
56
Pa last
56
P.A. Now (θ)
56°
Sep first
414.8
Sep last
405.6
Sep. Now (ρ)
405.6"
Mag pri
4.93
Mag sec
6.78
delta mag (ΔM)
1.85
Spectral class
A5Vn (white)
Pri motion ra
+052
Sec motion ra
-001
Pri motion dec
+031
Sec motion dec
-084
Notes
N U (See Notes, Proper motion indicates non-physical)
rPM=1.507
This double is not physical.
 
 
18562+0412 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Alya 124068 18562+0412 STF2417 AB 1755 2017 226 104 22.5 4.59 4.93 0.34
Show 18562+0412 STF2417 AC 1908 2007 18 58 421.0 4.59 6.78 2.19
Show 124070 18562+0412 STF2417 BC 1908 2007 17 56 405.6 4.93 6.78 1.85 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
55.8
Precise sep
405.583
Constellation
Serpens
SAO
124070
HIP
92951
Tycho2
0457-00688-1
Gaia DR2
18773462016
HD
175639
HR
7142
GC
25993
BD
BD+04 3917
Bayer
Theta 2 Serpentis
Bayer name
The2 Ser
Flamsteed
63 Serpentis
Flamsteed name
63 Ser
Distance
51.95
Distance ly
169.46
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18562+0412 STF2417 BC 2007 17 56 405.6 4.93 6.78 A5Vn N D 185614.64+041207.6

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