18090-3617 SHY 738AB

 
 
18h 09m 01.96s -36 17' 05.2" P.A. 254 sep 999.9 mag 8.56,9.01 Sp G2V+G5V dist. 88.34 pc (288.17 l.y.)
 
 
Coord 2000
18090-3617
Discov num
SHY 738
Comp
AB
Coord arcsec 2000
18 09 01.96 -36 17 05.2
Date first
1991
Date last
1998
Obs
4
Pa first
253
Pa last
254
P.A. Now (θ)
254°
Sep first
999.9
Sep last
999.9
Sep. Now (ρ)
999.9"
Mag pri
8.56
Mag sec
9.01
delta mag (ΔM)
0.45
Spectral class
G2V+G5V (yellow/yellow)
Pri motion ra
-018
Sec motion ra
-019
Pri motion dec
-004
Sec motion dec
-006
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.112 (< 0.3, Physical double)
This double is physical.
 
 
18090-3617 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 209765 18090-3617 RST3155 Aa,Ab 1935 2017 10 21 0.2 9.15 9.60 0.45
Show 209765 18090-3617 SHY 738 AB 1991 1998 4 254 999.9 8.56 9.01 0.45 <===
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
253.5
Precise sep
4915.38
Constellation
Sagittarius
SAO
209765
HIP
88920
Tycho2
7404-05122-1
HD
165728
CD
CD-3612259
CP
CP-36 8022
Distance
88.34
Distance ly
288.17
last precise pa
253.5
last precise sep
4915.38
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18090-3617 SHY 738 AB 1998 3 254 999.9 8.56 9.01 G2V G5V NVD 180901.96-361705.2

If you need more information about this double, apply for a data request form to the WDS.