20030+1528 D    21

 
 
20h 03m 02.78s +15 27' 41.8" P.A. 210 sep 21.2 mag 8.68,10.95 Sp M
 
 
Coord 2000
20030+1528
Discov num
D    21
Comp
Coord arcsec 2000
20 03 02.78 +15 27 41.8
Date first
1865
Date last
2015
Obs
22
Pa first
214
Pa last
210
P.A. Now (θ)
210°
Sep first
21.6
Sep last
21.2
Sep. Now (ρ)
21.2"
Mag pri
8.68
Mag sec
10.95
delta mag (ΔM)
2.27
Spectral class
M (red)
Pri motion ra
-013
Sec motion ra
+001
Pri motion dec
-001
Sec motion dec
-012
Notes
rPM=1.366
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
209.9
Precise sep
21.157
Constellation
Aquila
SAO
105602
Tycho2
1617-02068-1
Gaia DR2
59439587072
HD
190152
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20030+1528 D 21 2005 11 210 21.3 8.68 10.95 M D 200302.78+152741.8
20030+1528 D 21 2010 14 210 21.2 8.68 10.95 M D 200302.78+152741.8
20030+1528 D 21 2015 18 210 21.2 8.68 10.95 M 200302.78+152741.8

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