18042-2544 RCH   4

 
 
18h 04m 12.09s -25 44' 25.7" P.A. 354 sep 3.9 mag 5.59,9.41
 
 
Coord 2000
18042-2544
Discov num
RCH   4
Comp
Coord arcsec 2000
18 04 12.09 -25 44 25.7
Date first
1998
Date last
2009
Obs
2
Pa first
356
Pa last
354
P.A. Now (θ)
354°
Sep first
3.2
Sep last
3.9
Sep. Now (ρ)
3.9"
Mag pri
5.59
Mag sec
9.41
delta mag (ΔM)
3.82
Spectral class
Pri motion ra
Sec motion ra
Pri motion dec
Sec motion dec
Notes
K (K-band or other infrared magnitudes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
354
Precise sep
3.94
Constellation
Sagittarius
last precise pa
354
last precise sep
3.94
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18042-2544 RCH 4 2009 1 354 3.9 5.59 9.41 K 180412.09-254425.7

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