17544+2030 BRT2837

 
 
17h 54m 28.66s +20 30' 17.7" P.A. 279 sep 2.9 mag 11.00,11.30
 
 
Coord 2000
17544+2030
Discov num
BRT2837
Comp
Coord arcsec 2000
17 54 28.66 +20 30 17.7
Date first
1942
Date last
2002
Obs
4
Pa first
280
Pa last
279
P.A. Now (θ)
279°
Sep first
2.9
Sep last
2.9
Sep. Now (ρ)
2.9"
Mag pri
11.00
Mag sec
11.30
delta mag (ΔM)
0.3
Spectral class
Pri motion ra
+009
Sec motion ra
Pri motion dec
-017
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
279.4
Precise sep
2.85
Constellation
Hercules
Tycho2
1561-00447-1
last precise pa
279.4
last precise sep
2.85
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17544+2030 BRT2837 2002 4 279 2.8 11.00 11.30 175428.66+203017.7

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