20231-3303 B  2483

 
 
20h 23m 05.29s -33 02' 53.5" P.A. 146 sep 12.3 mag 7.99,11.40 Sp M2III
 
 
Coord 2000
20231-3303
Discov num
B  2483
Comp
Coord arcsec 2000
20 23 05.29 -33 02 53.5
Date first
1911
Date last
2015
Obs
6
Pa first
135
Pa last
146
P.A. Now (θ)
146°
Sep first
11.9
Sep last
12.3
Sep. Now (ρ)
12.3"
Mag pri
7.99
Mag sec
11.40
delta mag (ΔM)
3.41
Spectral class
M2III (red)
Pri motion ra
+016
Sec motion ra
+001
Pri motion dec
+004
Sec motion dec
-012
Notes
rPM=1.33
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
145.8
Precise sep
12.25
Constellation
Sagittarius
SAO
212064
Tycho2
7446-00673-1
Gaia DR2
23778113792
HD
193749
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20231-3303 B 2483 1999 4 145 12.3 7.99 11.40 M2III D 202305.29-330253.5
20231-3303 B 2483 2015 6 146 12.3 7.99 11.40 M2III 202305.29-330253.5

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