18101-2807 TDT 721

 
 
18h 10m 08.18s -28 07' 09.7" P.A. 162 sep 9.8 mag 11.38,11.73
 
 
Coord 2000
18101-2807
Discov num
TDT 721
Comp
Coord arcsec 2000
18 10 08.18 -28 07 09.7
Date first
1913
Date last
1999
Obs
5
Pa first
165
Pa last
162
P.A. Now (θ)
162°
Sep first
10.5
Sep last
9.8
Sep. Now (ρ)
9.8"
Mag pri
11.38
Mag sec
11.73
delta mag (ΔM)
0.35
Spectral class
Pri motion ra
-001
Sec motion ra
+000
Pri motion dec
-003
Sec motion dec
-004
Notes
rPM=0.354
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
161.7
Precise sep
9.77
Constellation
Sagittarius
Tycho2
6851-06798-1
last precise pa
161.7
last precise sep
9.77
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18101-2807 TDT 721 1999 4 162 9.8 11.38 11.73 D 181008.18-280709.7

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