15590+1820 SHY 691

 
 
15h 59m 01.82s +18 19' 33.1" P.A. 343 sep 999.9 mag 7.87,8.52 Sp F8+G0 dist. 71.74 pc (234.02 l.y.)
 
 
Coord 2000
15590+1820
Discov num
SHY 691
Comp
Coord arcsec 2000
15 59 01.82 +18 19 33.1
Date first
1991
Date last
2001
Obs
4
Pa first
343
Pa last
343
P.A. Now (θ)
343°
Sep first
999.9
Sep last
999.9
Sep. Now (ρ)
999.9"
Mag pri
7.87
Mag sec
8.52
delta mag (ΔM)
0.65
Spectral class
F8+G0 (yellow-white/yellow)
Pri motion ra
-060
Sec motion ra
-057
Pri motion dec
+002
Sec motion dec
+011
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.158 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
343.4
Precise sep
7863.72
Cdsa2 id
SHY 691
Constellation
Serpens
SAO
101852
HIP
78283
Tycho2
1499-01019-1
HD
143292
BD
BD+18 3095
Ra deg
15.983838888888888
De deg
18.32586111111111
Distance
71.74
Distance ly
234.02
last precise pa
343.4
last precise sep
7863.72
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15590+1820 SHY 691 1999 3 343 999.9 7.87 8.52 F8 G0 NVD 155901.82+181933.1
15590+1820 SHY 691 2001 4 343 999.9 7.87 8.52 F8 G0 NVD 155901.82+181933.1

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