18578+0339 BAL2501

 
 
18h 57m 47.55s +03 38' 42.3" P.A. 346 sep 3.6 mag 11.33,11.80
 
 
Coord 2000
18578+0339
Discov num
BAL2501
Comp
Coord arcsec 2000
18 57 47.55 +03 38 42.3
Date first
1992
Date last
2014
Obs
5
Pa first
342
Pa last
346
P.A. Now (θ)
346°
Sep first
3.6
Sep last
3.6
Sep. Now (ρ)
3.6"
Mag pri
11.33
Mag sec
11.80
delta mag (ΔM)
0.47
Spectral class
Pri motion ra
+014
Sec motion ra
Pri motion dec
-062
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
345.7
Precise sep
3.6
Cdsa2 id
BAL 2501
Constellation
Serpens
Ra deg
18.963208333333334
De deg
3.6450833333333335
last precise pa
345.7
last precise sep
3.6
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18578+0339 BAL2501 2004 3 345 3.7 11.33 11.80 D 185747.55+033842.3
18578+0339 BAL2501 2014 5 346 3.6 11.33 11.80 185747.55+033842.3

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