17549-2453 SNA 74 (63 Oph)

 
 
17h 54m 54.04s -24° 53' 13.5" P.A. 43.00 sep 4.5 mag 5.97,12.73 Sp O8II dist. 1298.7 pc (4236.36 l.y.)
 
 
Coord 2000 17549-2453 Discov num SNA  74 Comp Coord arcsec 2000 17 54 54.04 -24 53 13.5
Date first 2012 Date last 2012 Obs 1
Pa first 43 Pa last 42.5 P.A. Now (θ) 42.5°
Sep first 4.5 Sep last 4.46 Sep. Now (ρ) 4.46"
Mag pri 5.97 Mag sec 12.73 delta mag (ΔM) 6.76 Spectral class O8II (blue)
Pri motion ra +002 Sec motion ra
Pri motion dec -003 Sec motion dec
Notes K (K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name 63 Oph Constellation Sagittarius SAO 185928 HIP 87706
Tycho2 6845-00692-1 Gaia DR2 4067435566661212672 HD 162978 HR 6672
GC 24347 CD CD-2413615 Flamsteed 63 Ophiuchi Flamsteed name 63 Oph
Distance 1298.7 Distance ly 4236.36
Bayer or Flamsteed indentifiers not always match the correct constellation because of procession and proper motion of the star. (Oph vs Sgr)