18549+3358 STT 525AB

 
 
18h 54m 52.52s +33 58' 06.9" P.A. 129 sep 1.8 mag 6.14,9.12 Sp A8+G5III dist. 358.42 pc (1169.17 l.y.)
 
 
Coord 2000
18549+3358
Discov num
STT 525
Comp
AB
Coord arcsec 2000
18 54 52.52 +33 58 06.9
Date first
1849
Date last
2011
Obs
21
Pa first
124
Pa last
129
P.A. Now (θ)
129°
Sep first
1.6
Sep last
1.8
Sep. Now (ρ)
1.8"
Mag pri
6.14
Mag sec
9.12
delta mag (ΔM)
2.98
Spectral class
A8+G5III (white/yellow)
Pri motion ra
-006
Sec motion ra
-006
Pri motion dec
-004
Sec motion dec
-004
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
18549+3358 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 67566 18549+3358 STT 525 AB 1849 2011 21 129 1.8 6.14 9.12 2.98 <===
Show 67566 18549+3358 SHJ 282 AC 1823 2016 42 349 45.5 6.14 7.60 1.46
Show 67566 18549+3358 SHJ 282 AD 1991 2002 3 295 215.3 6.14 11.03 4.89
Show 67565 18549+3358 SHJ 282 CD 1880 2002 6 284 192.4 7.60 11.00 3.40
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
129.1
Precise sep
1.791
Constellation
Lyra
SAO
67566
HIP
92833
Tycho2
2647-02660-1
HD
175635
HR
7140
BD
BD+33 3257
Distance
358.42
Distance ly
1169.17
last precise pa
129.1
last precise sep
1.791
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18549+3358 STT 525 AB 2005 16 129 1.8 6.14 9.12 A8+G5III N D 185452.52+335806.9
18549+3358 STT 525 AB 2010 19 130 1.8 6.14 9.12 A8+G5III N D 185452.52+335806.9
18549+3358 STT 525 AB 2011 21 129 1.8 6.14 9.12 A8 G5III N D 185452.52+335806.9

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