21111+0041 SKF1774

 
 
21h 11m 05.16s +00 40' 41.7" P.A. 308.00 sep 1.2 mag 20.20,20.20 Sp DA+M4e
 
 
Coord 2000
21111+0041
Discov num
SKF1774
Comp
Coord arcsec 2000
21 11 05.16 +00 40 41.7
Date first
2001
Date last
2015
Obs
2
Pa first
317
Pa last
308
P.A. Now (θ)
308°
Sep first
1.2
Sep last
1.2
Sep. Now (ρ)
1.2"
Mag pri
20.20
Mag sec
20.20
delta mag (ΔM)
0
Spectral class
DA+M4e (white dwarf/red)
Pri motion ra
-009
Sec motion ra
Pri motion dec
+024
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
308.3
Precise sep
1.225
Constellation
Hydra
SAO
126599
Gaia DR2
2690444892348375808
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21111+0041 SKF1774 2001 1 317 1.2 20.20 20.20 DA+M4e 211105.16+004041.7
21111+0041 SKF1774 2015 2 308 1.2 20.20 20.20 DA+M4e 211105.16+004041.7

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