18155-2722 RST2040

 
 
18h 15m 25.41s -27 22' 28.7" P.A. 291 sep 1.3 mag 9.89,12.60 Sp K0/1
 
 
Coord 2000
18155-2722
Discov num
RST2040
Comp
Coord arcsec 2000
18 15 25.41 -27 22 28.7
Date first
1934
Date last
1944
Obs
2
Pa first
293
Pa last
291
P.A. Now (θ)
291°
Sep first
1.3
Sep last
1.3
Sep. Now (ρ)
1.3"
Mag pri
9.89
Mag sec
12.60
delta mag (ΔM)
2.71
Spectral class
K0/1 (yellow-orange)
Pri motion ra
+009
Sec motion ra
Pri motion dec
+001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
290.5
Precise sep
1.32
Constellation
Sagittarius
Tycho2
6851-06419-1
HD
167250
last precise pa
290.5
last precise sep
1.32
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18155-2722 RST2040 1944 2 291 1.3 9.89 12.60 K0/1 181525.41-272228.7

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