20549+0051 SKF1772

 
 
20h 54m 55.83s +00 51' 29.7" P.A. 334 sep 2.5 mag 18.40,20.10 Sp DA+M
 
 
Coord 2000
20549+0051
Discov num
SKF1772
Comp
Coord arcsec 2000
20 54 55.83 +00 51 29.7
Date first
2001
Date last
2009
Obs
2
Pa first
331
Pa last
334
P.A. Now (θ)
334°
Sep first
2.4
Sep last
2.5
Sep. Now (ρ)
2.5"
Mag pri
18.40
Mag sec
20.10
delta mag (ΔM)
1.7
Spectral class
DA+M
Pri motion ra
+056
Sec motion ra
Pri motion dec
-091
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
333.5
Precise sep
2.47
Cdsa2 id
SKF 1772
Constellation
Aquarius
Ra deg
20.91550833333333
De deg
0.85825
last precise pa
333.5
last precise sep
2.47
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20549+0051 SKF1772 2009 2 334 2.5 18.40 20.10 DA+M 205455.83+005129.7

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