17313-4501 DON 841

 
 
17h 31m 20.98s -45 00' 38.5" P.A. 28 sep 2.2 mag 9.81,11.17 Sp G3V dist. 266.67 pc (869.88 l.y.)
 
 
Coord 2000
17313-4501
Discov num
DON 841
Comp
Coord arcsec 2000
17 31 20.98 -45 00 38.5
Date first
1932
Date last
1998
Obs
5
Pa first
30
Pa last
28
P.A. Now (θ)
28°
Sep first
1.8
Sep last
2.2
Sep. Now (ρ)
2.2"
Mag pri
9.81
Mag sec
11.17
delta mag (ΔM)
1.36
Spectral class
G3V (yellow)
Pri motion ra
-002
Sec motion ra
+008
Pri motion dec
-020
Sec motion dec
-011
Notes
rPM=0.669
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
27.5
Precise sep
2.15
Constellation
Scorpius
HIP
85748
Tycho2
8342-02436-1
HD
158411
CD
CD-4411807
CP
CP-44 8561
Distance
266.67
Distance ly
869.88
last precise pa
27.5
last precise sep
2.15
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17313-4501 DON 841 1991 4 31 2.1 9.81 11.17 G3V 173120.98-450038.5
17313-4501 DON 841 1998 5 28 2.2 9.81 11.17 G3V 173120.98-450038.5

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