20108+1827 J   506

 
 
20h 10m 48.53s +18 26' 45.4" P.A. 307 sep 3.5 mag 12.40,12.90
 
 
Coord 2000
20108+1827
Discov num
J   506
Comp
Coord arcsec 2000
20 10 48.53 +18 26 45.4
Date first
1911
Date last
2018
Obs
10
Pa first
307
Pa last
307
P.A. Now (θ)
307°
Sep first
3.5
Sep last
3.5
Sep. Now (ρ)
3.5"
Mag pri
12.40
Mag sec
12.90
delta mag (ΔM)
0.5
Spectral class
Pri motion ra
+024
Sec motion ra
Pri motion dec
-029
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
306.8
Precise sep
3.487
Constellation
Sagitta
Gaia DR2
26987381504
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20108+1827 J 506 2000 5 306 3.4 9.50 9.60 D 201048.53+182645.4
20108+1827 J 506 2001 6 306 3.5 9.50 9.60 D 201048.53+182645.4
20108+1827 J 506 2017 9 306 3.5 12.40 12.90 201048.53+182645.4
20108+1827 J 506 2018 10 307 3.5 12.40 12.90 201048.53+182645.4

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